15 results about "HEAT/MOISTURE EXCHANGE" patented technology

The utility model relates to the technical field of clothes processing, in particular to clothes processing equipment. Specifically, the clothes processing equipment comprises a roller, a drying device and a bypass assembly, the drying device comprises a circulating air duct communicated with the roller and a dehumidification component installed in the circulating air duct, the air inlet end of the bypass assembly is communicated with the circulating air duct, and the position where the circulating air duct is communicated with the bypass assembly is located on the upstream of the dehumidification component. The air outlet end of the bypass assembly communicates with the roller, and the bypass assembly can send part of air flow entering the circulating air channel back into the roller to conduct heat and humidity exchange with the clothes in the roller again. By arranging the bypass assembly to communicate the circulating air duct with the roller, part of airflow can be sent back into the roller again to conduct heat and humidity exchange with clothes in the roller again, the moisture content of the airflow is increased, the temperature of the airflow is lowered, then the airflow enters the circulating air duct to conduct heat exchange with the evaporator, the condensation effect is improved, and therefore the drying efficiency is improved; the drying time is shortened.

The invention discloses a textile workshop environment control method and device based on multi-modal sensing and a medium, and relates to the technical field of industrial intelligent control and energy conservation, and the method comprises the steps: synchronously collecting multi-modal sensing data in a textile workshop based on a preset control period; aiming at the current control period, determining a current production load parameter group of the textile workshop through a load calculation model, and determining a current health state of the air conditioning equipment through an equipment health degree evaluation model; inputting into a thermodynamic digital twinborn model, performing simulation operation on the heat and humidity exchange process of the textile workshop, and outputting predicted workshop temperature and humidity distribution; constructing an energy consumption target optimization function for solving to obtain an optimal control parameter set; and adjusting control instructions corresponding to the monitoring units are generated and issued to the air conditioning equipment. By simulating the heat and humidity exchange process of the workshop, the temperature and humidity field distribution of the next period can be predicted in advance, so that the control behavior is converted into active beforehand intervention from passive afterward remedy.

The invention provides a deep metal mine stepped heat transfer simulation device and an experimental method thereof. The deep metal mine stepped heat transfer simulation device comprises a ground temperature simulation system, a heat and humidity exchange system, an airflow monitoring system and an acquisition control system, the ground temperature simulation system is used for establishing a controllable temperature field in a surrounding rock similar material to simulate surrounding rock heat conduction; the heat and humidity exchange system is arranged in the ground temperature simulation system and comprises a porous roadway lining and a seepage device, the roadway lining and a surrounding rock similar material are integrally formed, and the heat and humidity exchange system is used for simulating heat and humidity exchange of the roadway wall surface; the airflow monitoring system communicates with the heat and humidity exchange system and is used for providing controllable airflow into the roadway and monitoring convective heat exchange parameters. And the acquisition control system is connected with the ground temperature simulation system, the heat and humidity exchange system and the airflow monitoring system and is used for adjusting operation parameters and acquiring data. The problems that in an existing experiment, gap thermal resistance is too large, and interface heat and humidity exchange is lacked are solved, and the surrounding rock-interface heat conduction and heat and humidity coupling process of a deep mine is truly reproduced.

This invention provides a bidirectional prestressed concrete creep testing device and method, relating to the technical fields of concrete testing technology and long-term structural deformation monitoring. The device includes: a concrete slab specimen; multiple prestressing units, disposed on the concrete slab specimen and bonded integrally with it, orthogonally distributed in the horizontal plane and multi-layered in the thickness direction, for applying bidirectional prestress to the concrete slab specimen; a testing unit for monitoring changes in prestress, temperature, and humidity of the concrete slab specimen; a boundary protection unit disposed on the sidewall of the concrete slab specimen to block lateral heat and moisture exchange, ensuring that temperature and humidity within the concrete slab specimen are transmitted only along the thickness direction; and a support frame on which the concrete slab specimen is mounted for suspended support, allowing ambient air to flow freely across the upper and lower surfaces of the concrete slab specimen.

Disclosed is a heat and moisture exchange (HME) device for a laryngectomized or tracheostomized user having a paper-based housing. Also disclosed is a paper-based blank for a foldable housing for an HME device and a method of manufacturing an HME device.

This application relates to the field of heat exchange equipment technology, and in particular to a horizontally swept liquid film dehumidifying condenser. The horizontally swept liquid film dehumidifying condenser includes a shell and a flow equalization component and a fiber assembly disposed therein. The shell has a liquid inlet and a liquid outlet at both ends along a first direction, and air vents at both ends along a second direction. The fiber assembly includes multiple fibers extending along the first direction and arranged in a multi-row, multi-column array along the second and third directions. The flow equalization component is located between the fiber assembly and the liquid inlet, and is used to distribute the liquid during its descent, ensuring uniform diffusion of the liquid within the cross-section of the shell perpendicular to the first direction, thereby improving the heat and moisture exchange effect between the liquid and the airflow; simultaneously, it forms a liquid film on the surface of the fiber assembly, extending the gas-liquid contact path through the fiber assembly; and it also promotes droplet formation through the fiber assembly, effectively improving phase change heat transfer efficiency through the rapid formation and shedding of droplets.

An HME has a housing moulded in two parts of a thick, thermally-insulative foamed plastics to form an enlarged central region and opposite end walls. Separate patient and machine end couplings are bonded to openings in the end walls. The two housing parts are bonded end to end about an HME element formed by a strip of treated corrugated paper wound about a support sleeve.

Illustrative embodiments of heat and moisture exchange (HME) medical devices, as well as related methods, are disclosed. According to one aspect, an HME medical device may comprise an HME material configured to absorb heat and moisture from exhaled air and to return the heat and moisture to inhaled air. The HME medical device may also comprise a base including at least one wall defining a passageway for the exhaled and inhaled air, a lid that retains the HME material, and a tether connecting the lid to the base. The lid of the HME medical device may be movable between (i) a first position in which the lid is engaged with the base and the HME material is positioned in the passageway and (ii) a second position in which the lid is disengaged from the base and the HME material is not positioned in the passageway.

This invention discloses a mining path optimization method and system incorporating geological data, belonging to the field of path optimization technology. A mining path optimization system incorporating geological data includes a geological data modeling module and a mining path optimization module. This invention introduces the mining heat hazard mechanism into the path planning process, and by constructing mining environmental load data and an environmental saturation model, it achieves a quantitative assessment of the risks of high temperature, high humidity, and pollutant accumulation, avoiding the heat hazard hazards caused by traditional path planning neglecting environmental safety factors. Based on real-time geological monitoring data and roadway topology, it dynamically calculates the heat and moisture exchange capacity and pollutant dilution capacity of roadway nodes, enabling the path planning results to accurately reflect changes in underground ventilation and environmental conditions, thus improving the accuracy of planning decisions.

The invention discloses a manufacturing method of a heat exchanger and a heat exchange element, relates to the technical field of ventilation systems, and can comprehensively improve the heat and humidity exchange area of a membrane material and the heat exchange element so as to improve the exchange efficiency. The heat and humidity exchange area of the membrane material and the heat exchange element is comprehensively improved, and the exchange efficiency is improved. The heat exchanger comprises a machine shell and a heat exchange core body. The heat exchange core body comprises multiple layers of heat exchange elements. The heat exchange element comprises a heat exchange layer. A fresh air channel and an exhaust air channel which are independent of each other are formed in the machine shell. The heat exchange core body is arranged in the machine shell. The multiple layers of heat exchange elements are sequentially arranged in a stacked mode. The heat exchange layer is made of high polymer materials, and protruding parts which are arranged at intervals in the first direction are formed and extend in the second direction. The first direction and the second direction intersect and are both perpendicular to the arrangement direction of the multiple layers of heat exchange elements. The heat exchanger is used for exchanging the temperature between inlet air and exhaust air.

The utility model relates to medical equipment technical field, concretely relates to a medical heat and moisture exchanger, including the casing, the casing top is equipped with the machine end interface, is equipped with the heat and moisture exchange layer in the casing, the casing bottom is equipped with the patient end interface, the lateral wall of patient end interface is connected with the dosing pipe, the piston is slidably connected in the dosing pipe, the dosing pipe is fixedly connected with the limiting ring in, is equipped with the spring between the piston and limiting ring, is set up in a plurality of through -holes on the piston, the one end of dosing pipe is connected with the adjusting pipe, and the one end of adjusting pipe is equipped with the sealing ring, the utility model discloses utilize the air pressure dynamic change of inspiration process, realize the automatic opening and closing control of through -hole, make the inspiration middle -term completely open and ensure that the atomized medicine high -efficient delivery, the through -hole is closed in advance at the end of inspiration to facilitate the patient absorption residual atomized medicine, like this can reduce the atomized medicine reflux situation when the patient exhales, thereby reduce heat and moisture exchanger blockage and atomized medicine waste situation, guarantee the treatment effect.

An HME has a housing moulded in two parts of a thick, thermally-insulative foamed plastics to form an enlarged central region and opposite end walls. Separate patient and machine end couplings are bonded to openings in the end walls. The two housing parts are bonded end to end about an HME element formed by a strip of treated corrugated paper wound about a support sleeve.

To provide a CPAP system for providing air at positive pressure for respiratory therapy to a patient.SOLUTION: The CPAP system includes an RPT device configured to supply a flow of air at a therapeutic pressure, a patient interface forming a plenum chamber pressurizable to the therapeutic pressure, an air delivery tube configured to pass the flow of air at the therapeutic pressure from the RPT device to the patient interface, a heat and moisture exchanger (HME) constructed and arranged to retain moisture from a flow of expiratory air from the patient, where retained moisture from the HME is returned to the flow of air for humidification, a controllable heater configured and arranged to heat the HME and / or heat incoming air to the HME, and a controller configured to adjust heating of the controllable heater to adjust the moisture returned from the HME to the flow of air for humidification.SELECTED DRAWING: Figure 6

The utility model is suitable for the technical field of fresh air equipment, and provides temperature and humidity cooperative control spraying humidification equipment which comprises a spraying chamber, a water tank and a filtering chamber. And the left side of the spraying chamber is connected with an air inlet pipe. According to the temperature and humidity cooperative control spraying humidification equipment, the spraying head is installed at the bottom of the spraying chamber and sprays upwards, the heat and humidity exchange effect with air can be improved, the filtering chamber is arranged between the spraying chamber and the water tank, and backflow water can be filtered; the situation that the quality of air is affected by more impurities caused by repeated use of circulating water is avoided, the filtered impurities can be prevented from being accumulated on the surface of a filter screen in an upward permeation filtering mode of the filter chamber, and the filtered impurities are retained in the filter chamber under the action of gravity and can be discharged through a blow-off pipe; the filter screen can be backwashed by arranging the two-way valve to be matched with the communicating pipe, and the filter screen can be automatically brushed by arranging the motor and the scraping plate.

The invention relates to a multi-parameter adjustable experimental test platform for a drum dryer. The multi-parameter adjustable experimental test platform comprises an air treatment part, a drum part and a control system part, the air treatment part is used for providing airflow with independent and controllable thermodynamic parameters for the roller part; the roller part is used for enabling a fabric load and airflow to complete heat and humidity exchange under the control of roller control parameters; the control system part comprises an operation layer and a monitoring layer, and the monitoring layer is used for monitoring thermodynamic parameters of each node and the mass of a fabric load and realizing full-process automatic control of an experiment; the operation layer comprises an air treatment subsystem and a roller movement subsystem, and the air treatment subsystem is used for independently regulating and controlling thermodynamic parameters of airflow provided by the air treatment part according to the monitored thermodynamic parameters of all nodes; the roller motion subsystem is used for adjusting roller control parameters. According to the method, the independent effect and the interaction effect of each parameter can be effectively separated, and the experiment repeatability and the data credibility are improved.