27results about "Drying safety systems" patented technology

The invention discloses a self-reaction substance drying process safety assessment and classification method based on thermal analysis kinetics. The method comprises the following steps: performing a multi-heating-rate programmed heating test on a self-reaction substance under a closed condition by adopting DSC to obtain an exothermic initial temperature, a peak temperature and a specific exothermic quantity, constructing a thermal decomposition kinetic model based on the obtained data, and solving kinetic parameters such as apparent activation energy and pre-exponential factors; combining an energy conservation equation and a thermal explosion theory, predicting a self-accelerated decomposition temperature SADT under an adiabatic condition TD24 and a given filling and heat dissipation condition, determining a temperature safety threshold value of a drying process according to the SADT, and dividing a working condition safety interval; further introducing three dimensionless safety factors including a temperature safety margin, a time safety margin and a thermal explosion margin, constructing a comprehensive risk index, and carrying out risk grade division on the drying working condition. The method provided by the invention has the advantages of low sample consumption, simple test conditions and standardized calculation process, can quantitatively evaluate the safety drying temperature upper limit of different self-reaction substances and under different process conditions, and provides a reliable basis for drying process design and safety control of the self-reaction substances.

The present application belongs to the technical field of exhaust dust removal, and particularly relates to a kind of air and moisture permeable composite textile fabric drying exhaust dust removal devices, including primary dust removal box and the fabric drying equipment main body for installing primary dust removal box, the outer wall of the gas pipe of the fabric drying equipment main body is fixed with L-shaped plate, the inner wall of the L-shaped plate is fixedly connected with PLC controller.The present application makes air and moisture permeable composite textile fabric drying exhaust dust removal device not only has the function of recycling heat and moisture in the wet hot gas after fabric drying, but also has the ability of secondary efficient dust removal, improves the utilization rate of heat and water resources in the fabric drying process, greatly reduces the energy consumption cost of enterprises, and conforms to the current energy saving and emission reduction industry trend, improves the energy saving and environmental protection performance of air and moisture permeable composite textile fabric drying processing, and improves the reliability of device use, and the device also has the function of anti-static through recycled water resources.

The invention provides a rotary waste heat drying furnace system, and relates to the field of drying furnaces, the rotary waste heat drying furnace system comprises an outer furnace body, a rotary inner cylinder, a rotary driving device and a feeding device, the rotary inner cylinder, the rotary driving device and the feeding device are arranged in the outer furnace body, a discharging hopper is hermetically connected with the discharging end of the outer furnace body, a hot air inlet is formed in the upper part of the discharging hopper, and the discharging end of the rotary inner cylinder is communicated with the discharging hopper; a hot air outlet is formed in the feeding side of the outer furnace body; the air inlet detection device is used for detecting air inlet parameters of the hot air inlet; the air outlet detection device is used for detecting air outlet parameters of the hot air outlet; the air inlet parameter adjusting device is used for adjusting air inlet parameters of the hot air inlet. The discharging detection device is used for detecting the water content of materials discharged by the rotary waste heat drying furnace; the control system is electrically connected with the rotation driving device, the feeding device, the air inlet detection device, the air outlet detection device, the air inlet parameter adjusting device and the discharging detection device. The system accurately collects multi-dimensional data, intelligently quantifies efficiency loss, gets rid of experience dependence and realizes autonomous regulation and control.

The invention relates to a powder drying system comprising a CO gas detection system adapted to detect CO gas from smoldering powder in a component of the powder drying system, the CO gas detection system comprising: at least one inlet CO gas detector arranged on at least one gas inlet of the component of the powder drying system; at least one outlet CO gas detector arranged on at least one gas outlet of the component of the powder drying system; and an analysis unit adapted to receive at least one inlet CO gas content measurement and at least one outlet CO gas content measurement and to compare a sum of the at least one inlet CO gas content measurement with a sum of the at least one outlet CO gas content measurement while compensating for dilution, mixing, and time delay of the outlet CO gas content measurement.

An apparatus for manufacturing an electrode plate of a secondary battery includes: a coating unit configured to coat an electrode material onto a substrate to form an electrode plate; a roll pressing unit configured to compress the electrode plate; and a drying unit configured to dry the electrode plate. The drying unit includes a dryer configured to selectively apply heat from a heat source and / or heat of hot wind to dry the electrode plate.

The invention discloses a dryer power-off safety door opening system based on a special UPS power supply, and relates to the technical field of dryers, the dryer power-off safety door opening system comprises a main controller module, the main controller module is used for monitoring the power supply state of a dryer main power supply and generating a power-off signal when detecting that the main power supply is powered off; and the special UPS power supply module is electrically connected with the main controller module. According to the application, the special UPS is combined with multiple verification mechanisms, seamless switching and immediate triggering of safety logic of the system at the moment of power failure are ensured, the risk of accidental opening of the door body is effectively eradicated, and meanwhile, coupling verification is performed on multiple conditions such as the roller state, the temperature and the electric quantity before door opening is authorized, so that the safety of the door body is improved. The door opening operation safety is greatly improved, the reliability and the user experience of equipment are further enhanced through the intelligent state recording function, the multi-mode user warning function and the dynamic resource scheduling function of system integration, and a complete power-off safety protection system is formed.

The invention provides an arrangement for reducing static charge in a fluid bed dryer. The arrangement includes a hollow cylinder having an inner surface and an outer surface. The inner surface has a plurality of slotted projections formed radially at equal intervals along the axis of the hollow cylinder. The outer surface has an ionizing apparatus mounted on each of the slotted projections through a retention means. The arrangement further includes a pair of coupling means at both ends of the hollow cylinder for coupling the arrangement to the hot air supply duct of the fluid bed dryer. On applying a voltage, the ionizing apparatus, generate positive and negative ions into the hollow cylinder. The generated positive and negative ions are carried by the hot air to the sample drying unit of the fluid bed dryer for neutralizing the static charge generated during the drying of the sample.

The application discloses a self-cleaning intelligent tentering and setting oven and a tentering and setting integrated machine thereof, wherein a heat recovery and air exchange chamber and a hot water and air exchange chamber are integrated in the oven, heat exchange of high-temperature waste gas and recycled clean gas is carried out through a heat recovery and exchange pipe group and a water and air heat exchange pipe group which are communicated with a static pressure air chamber, then the high-temperature waste gas is purified and recycled through a low-temperature plasma purification device and a three-way air uniformizing pipe, and a smoke and fire detector and a spraying fire extinguishing device are installed. The oven system provided by the application has the advantages of simple structure, high energy-saving efficiency, high safety and free combination; and the tentering and setting integrated machine system adopting the oven system can be flexibly arranged according to process requirements to adapt to processing requirements of different cloth types.

The present application belongs to the technical field of lactic acid bacteria powder production supervision, and specifically relates to a safety control system for a lactic acid bacteria powder heating and drying device, which comprises a mixing performance monitoring module, a gas quality anomaly detection module, an internal temperature rationality judgment module, an operation power deviation detection module and a safety comprehensive control module; the mixing performance monitoring module is used to monitor the mixing performance of the mixing structure on the lactic acid bacteria powder in real time, the gas quality anomaly detection module is used to detect the hot air entering the lactic acid bacteria powder heating and drying device in real time and judge whether the quality of the input hot air meets the requirements, the internal temperature rationality judgment module is used to analyze and judge the internal temperature rationality of the lactic acid bacteria powder heating and drying device, and the operation power deviation detection module is used to realize the rational judgment of the operation performance of the lactic acid bacteria powder heating and drying device by analyzing the equipment electrical parameter deviation, so as to ensure the safe, stable and continuous operation of the equipment and significantly improve the production efficiency and product quality of the lactic acid bacteria powder.

Cleaning device (1) for small parts with several treatment containers (2 to 6) for the small parts, in which at least partially different solvent-containing cleaning and / or rinsing liquids are provided and into which a cleaning basket (1.6) with the small parts can be immersed one after the other, wherein the treatment containers (2 to 6) are arranged in a closed treatment room B and an extraction device (7) is provided in the area of ​​at least one treatment container (2 to 6), which transports any potentially explosive gas-air mixtures originating from the solvent-containing cleaning and / or rinsing liquids from the interior of the cleaning device (1) to the outside, characterized in that that an explosion-proof fan serves as the extraction device (7) and has pipes (7.1; 7.2) leading to the outside.

The invention belongs to the technical field of grid slag treatment, and particularly relates to a grid slag dehumidification, storage and unloading automation device and a treatment method thereof. Comprising a grid slag hopper, an electro-hydraulic integrated push rod, a spiral conveyor, a rotary drum grid slag dehumidifier, a grid slag conveying negative-pressure water suction machine, a negative-pressure fan, a flushing water pump, a reclaimed water filter, a ground grid slag collecting hopper, a ladder stand from the ground to a platform, a ladder stand from the platform to a bin top, a handrail, a steel frame platform, an electric control cabinet, a hopper button box, a level gage, a thermal imaging camera and a monitoring camera. The first Internet of Things box, the second Internet of Things box, the factory center control platform, the mobile communication terminal and the cloud computing platform are arranged, hard object damage is avoided through non-extrusion dehydration, and the maintenance cost is reduced by 50% or above; the whole process is sealed, odor is collected through negative pressure, and leakage and leakage are avoided; and the automation degree is high, unattended operation is supported, and equipment and field conditions are intelligently monitored through a camera.

Disclosed are an apparatus, a method, and a drying device for manufacturing an electrode plate of a secondary battery. An apparatus for manufacturing an electrode plate of a secondary battery includes: a coating unit configured to coat an electrode material onto a substrate to form an electrode plate; a rolling unit configured to compress the electrode plate; and a drying unit configured to dry the electrode plate. The drying unit includes a dryer configured to selectively apply heat from a heat source and / or heat of hot air to dry the electrode plate.

Disclosed is a hybrid drying system for manufacturing a secondary battery electrode. A hybrid drying system for manufacturing a secondary battery electrode according to an embodiment of the present invention comprises: a hot air drying furnace chamber forming a location for hot air drying of a slurry applied to a metal foil for forming a secondary battery electrode; a hot air supply and discharge part provided in the hot air drying furnace chamber, supplying hot air to the metal foil moving in the hot air drying furnace chamber to dry the metal foil, and discharging the hot air used during drying; and a unit-equipped operation part provided in the hot air drying oven chamber and equipped with a predetermined rapid drying unit that operates to rapidly dry the metal foil in the hot air drying oven chamber.

A drying device includes a casing, a lock mechanism, a heating device, a controller, a detection device, and a disconnection mechanism. The casing includes a cover that can be opened and closed. The lock mechanism restricts the cover from being opened. The heating device is provided inside the casing, and raises a temperature when power is supplied. The controller controls power supply to the heating device, and an action of the lock mechanism. The detection device detects an unlocking action of the lock mechanism. The disconnection mechanism disconnects the power supply to the heating device, when the detection device detects the unlocking action.

Temperature control system (2) for heat treatment for the purposes of tempering or coating drying, in particular of powder coatings, paints or other surface-forming layers, of workpieces to be coated (4) with a plant housing (6) that encloses a heat treatment area (8) for the workpieces (4) in which they can be subjected to an increased heat treatment temperature, which can be generated by means of a heating device (W), and with an exhaust air device (14) by means of which an exhaust air flow (A) can be generated for the removal of exhaust air, water vapor and / or reaction products from the heat treatment area (8) and which has an actuating device (16) for changing an exhaust air volume flow (V) of the exhaust air flow (A), characterized in that the actuating device (16) is part of a control arrangement (22) by means of which the exhaust air volume flow (V) can be controlled, wherein the actuating device (16) has a throttle damper (20) adjustable by means of an actuator (24) for adjusting the exhaust air volume flow (V), and the actuator (24) can be controlled by a control electronics (30) of the control arrangement (22), which controls the actuator (24) depending on a comparison of a determined actual volume flow value (VI) with a setpoint volume flow value (VS) of the exhaust air volume flow (V) specified by the control electronics (30), where the target volume flow rate (VS) of the exhaust air volume flow rate (V) can be determined as a function of a difference between an actual temperature value (TI) and a target temperature value (TS) and depending on the process phase.

The invention relates to a method for producing a lignocellulosic material (32), comprising the following steps: providing a cellulosic material (30); combusting the fuel (24) in the furnace (16), producing an exhaust gas (27); drying the fibrous material (30) in a dryer (28) with the exhaust gas (27), resulting in dried fibrous material (32) and steam (34); the steam (34) is discharged into the atmosphere (44), a portion of the steam (34) is refluxed into the furnace (16), and any volatile organic compounds contained in the refluxed steam (34) are combusted by measuring the total concentration (cVOC) of volatile organic compounds in the steam (34) and changing the refluxed portion (R) of the refluxed steam (34) as a function of the total concentration (cVOC).

Disclosed is a hybrid drying system for manufacturing a secondary battery electrode. A hybrid drying system for manufacturing a secondary battery electrode according to one embodiment of the present invention comprises: a hot air drying furnace chamber which forms a location for hot air drying of a wet slurry applied to a metal foil for forming a secondary battery electrode, and which has a high-speed drying section formed on one side; and a hot air flow prevention portion provided in the high-speed drying section and preventing hot air in the hot air drying furnace chamber from flowing into the high-speed drying section to suppress migration of a binder contained in the wet slurry during high-speed drying of the wet slurry.

The application discloses a continuous microwave vacuum drying equipment based on sodium hydrosulfite, and relates to the technical field of sodium hydrosulfite drying.The application comprises a vacuum tank, a microwave generator is linearly arranged on the inner top of the vacuum tank, an upper feeding assembly is arranged on the top of the vacuum tank, a lower discharging assembly is arranged on the bottom of the vacuum tank, an inner support is arranged in the vacuum tank, and an annular drying assembly is arranged on the outer side of the inner support.The application adopts a stepped sleeve ring mode, can ensure that the upward and downward conveying does not block the microwaves, greatly reduces the usage amount of the microwave generator, reduces the cost, and simultaneously conveys the sodium hydrosulfite from top to bottom, the microwave spacing on the upper side is small, the generated heat is large, the sodium hydrosulfite with large initial humidity can be rapidly dried, the microwave spacing on the lower side is gradually increased, the generated heat is gradually reduced, overheating of the subsequent sodium hydrosulfite can be prevented, the drying heat control is realized by using the conveying height difference, and the control is simple.

An oven drying apparatus and an electrode plate manufacturing device are described. The oven drying apparatus comprises an oven and a plurality of control units. The oven is formed by splicing a plurality of oven modules, each of the oven modules comprises an oven chamber and a blowing apparatus, the blowing apparatus is at least partially arranged inside the oven chamber, and the blowing apparatus is configured to blow air towards the material strip inside the oven chamber. The plurality of control units each corresponds to one of the plurality of oven modules, each of the control units is configured to control an outlet air parameter of the blowing apparatus of the corresponding oven module. The technical solution provided by the present application can improve the quality of batteries with reduced cost.

The invention provides a rainwater leaf roller dehydrator and a dehydration system, and relates to the technical field of tea processing, the rainwater leaf roller dehydrator comprises a dehydration shell, a moisture removal cover is mounted at the upper end of the dehydration shell, a dehydration tank is rotatably mounted in the dehydration shell and the moisture removal cover, a support cleaning mechanism is mounted between the dehydration tank and the dehydration shell, and a discharging mechanism is mounted at the rear end of the dehydration tank; a feeding shell is installed at the front end of the dewatering shell, a feeding opening of the feeding shell corresponds to the belt type conveying mechanism, a discharging opening of the feeding shell is communicated with a dewatering tank, the dewatering tank is communicated with a hot air pipe, the hot air pipe is communicated with a hot air furnace, the dewatering tank is connected through a driving mechanism, and the hot air furnace and the driving mechanism are both installed at the lower end of the dewatering shell. When the dewatering tank works, the supporting cleaning mechanism automatically works to clean the side wall of the dewatering tank, and the situation that the dewatering work of the dewatering tank is affected due to the fact that the side wall of the dewatering tank is blocked by impurities in tea leaves is avoided.

Provided is an orthogonal-axis power transmission device. The orthogonal-axis power transmission device according to an embodiment of the present inventive concept includes: a main structure assembly forming an exterior structure and having a space portion formed therein, the space portion being sealed; an input shaft assembly connected to one side of the main structure assembly, and to which rotational power of a motor is input; an output shaft assembly connected to the other side of the main structure assembly intersecting the input shaft assembly, and from which the rotational power of the motor is output; and a link assembly for changing a power transmission direction arranged to operate in the space portion of the main structure assembly to prevent propagation of noise or vibration, connected to the input shaft assembly and the output shaft assembly within the main structure assembly by a link method, and changing the power transmission direction from the input shaft assembly to the output shaft assembly.

The present invention relates to a heat source device, and a heat source device according to one embodiment of the present invention may include a lamp which radiates electromagnetic waves for generating radiant heat, a plate which is disposed between the electrode and the lamp and through which at least some of the electromagnetic waves radiated by the lamp pass, a distance sensor which detects a distance between the lamp and the plate, and a driving unit which controls the distance between the plate and the lamp.

This invention discloses a safe and intelligent drying oven for drying nitrocellulose samples. The oven includes a main body with a camera connected inside. Acid-base test strips are placed inside the oven, with the camera facing the test strips. The camera is connected to a processor, which in turn is connected to a PLC controller and an oven power switch. The PLC controller is connected to an electric cylinder, which is fixedly connected to the oven door. The oven power switch is also connected to the main body. The invention incorporates a cylinder, video monitoring and recognition, and remote temperature transmission. It also employs automated control with dual protection from video monitoring and thermocouples, achieving automated control of the nitrocellulose sample drying process. Operators only need to place and remove aluminum boxes containing samples from the oven tray. This method for drying nitrocellulose samples reduces the labor intensity of operators and lowers the safety risk of oven explosions.

The application provides a laminated drum dryer with an explosion-proof function, which comprises a drum body, high-temperature-resistant exhaust pipes, a second flange and cylindrical pins, a feeding port is formed in the right end of the drum body, a discharging port is formed in the left end of the drum body, a plurality of sleeves are arranged in the drum body through a plurality of through-length bolts, the high-temperature-resistant exhaust pipes are arranged in three, the three high-temperature-resistant exhaust pipes are equidistantly arranged on the upper end surface of the drum body from left to right, the three high-temperature-resistant exhaust pipes are all in communication with the upper end inside the drum body, and the lower ends of the three high-temperature-resistant exhaust pipes are all transversely fixed with high-temperature-resistant movable air permeable nets through a plurality of miniature high-temperature-resistant screws. The design solves the problem that the original device does not have an exhaust function. The application has a reasonable structure, good practicability, can timely discharge high-pressure gas in the device, so that the gas in the device cannot expand and explode, and is convenient to operate and use.

An apparatus for vacuum-drying an electrode in a roll-to-roll state according to the present technology includes a low-vacuum evacuation device configured to evacuate a vacuum chamber to a low vacuum level, a medium-high-vacuum evacuation device connected to the vacuum chamber by a medium-high-vacuum pipe separate from a low-vacuum pipe and configured to evacuate the vacuum chamber to a medium vacuum level or a high vacuum level; and a control unit connected to the low-vacuum evacuation device and the medium-high-vacuum evacuation device and configured to regulate a vacuum level in the vacuum chamber stepwise to dry the electrode.

The utility model belongs to the technical field of water removal devices, and discloses a quick water removal device for an umbrella, which comprises a casing, a water removal device, a water removal device, a water removal device and a water removal device, and is characterized in that the surface is provided with an umbrella placement opening for the umbrella to enter the casing; a venturi tube is embedded in the umbrella placing opening; the fan is installed in the machine shell and used for providing an air source; the accommodating sleeve is arranged in the shell and is provided with a first port and a second port which are oppositely arranged; the first port faces the venturi tube and corresponds to an opening, facing the interior of the machine shell, of the venturi tube; the water tank is installed in the machine shell, located below the second port and used for receiving rainwater dripping from the umbrella, and a gap is formed between the water tank and the machine shell. Under the combined action of the fan and the Venturi tube, the airflow pressure in the containing sleeve is increased, rainwater on the umbrella can be quickly dried, and the working efficiency is improved.

Apparatus (100) for the continuous treatment of slurry and wet solid materials comprises a supply blower (14) delivering heated air through a heater (4) into a milling and dispersion chamber (19) containing high-speed mills (17,18) for material processing. The dispersed material is then transferred to a drying chamber (1) where heat and mass transfer occur, facilitated by adjustable airflow via a flap valve (20). Coarse and fine particles are separated using first and second cyclone separators (2, 3), with collected particles stored in collectors (8, 15). An exhaust suction blower (6) maintains system airflow, while a control panel (7) equipped with temperature sensors (21), airflow controls, and motor speed controls ensures optimal operation. The apparatus (100) also features variable-speed blowers (6, 14), variable-speed motors for the mills (17,18), a screw feeder (16) for material introduction, and a hot air recirculation system to reduce energy consumption and achieve efficient treatment.