1222 results about "Natural ventilation" patented technology

The invention discloses a combined type temperature control curtain wall of a triplex glass structure and a temperature control method of the combined type temperature control curtain wall. The upper end and the lower end of an inner glass curtain wall and an outer glass curtain wall are provided with window-blinds grating openings, an independent inner sandwiched heat exchange channel is formed between the inner glass curtain wall and an intermediate partition layer, and an independent outer sandwiched heat exchange channel is formed between the outer glass curtain wall and a glass curtain wall of the intermediate partition layer. Semiconductor thermoelectric temperature control units are uniformly distributed on the glass curtain wall of the intermediate partition layer. An environment monitoring system comprises a plurality of temperature sensors used for providing real-time monitoring temperature data of the target environment for a temperature reading module in a single-chip microcomputer control module, and the semiconductor thermoelectric temperature control units are controlled by the single-chip microcomputer control module. The combined type temperature control curtain wall not only can sufficiently develop double heat exchange action of natural ventilation technology and semiconductor temperature control technology at different seasons but can be equivalent to a green air conditioner coat breathable and adjustable in temperature on a building.

The invention relates to a method for performance testing and detection of a natural ventilation filter device. The method is characterized in that a testing apparatus is used for detecting the ventilation rate and the pressure difference, the particle size of the captured dust and the dust removing capability, the dehumidification efficiency and the rain-proof performance of the natural ventilation filter device through a low-speed wind tunnel testing apparatus; an exhaust fan is used as the power source for inducing air or feeding air; the inflowing air is filtered and purified after being rectified when the air flows into the testing apparatus at the rated pressure; the ventilation rate and the pressure difference before and behind the natural ventilation filter device, the particle size of the captured dust and the dust removing capability, the sprayed mist water and a rainwater spraying device are tested to obtain the corresponding data; and the particle size of the dust captured by the device is tested by a digital differential pressure gauge, a digital dust concentration testing instrument, an optical microscope and a humidity meter to observe whether or not water remains in a transparent organic tube. The method is simple, reasonable and effective.

A barn system that enables control of the environment inside a closed barn utilizes banks of fans mounted in the opposing side walls of the barn and interior circulation fans in conjunction with misters to maintain the comfort of animals confined in the barn, in particular, milk cows. The interior circulation fans are of the oscillating type that can sweep in a horizontal arc to help the circulation of the air. Movable curtains in the side walls may be raised and lowered to allow for natural ventilation of the barn when outside conditions allow. A number of exhaust fans mounted on the roof ridge line provides for exhaust of the air out the roof, as opposed to the sides as in conventional barns. The fans, misters, operable ridge vents, exhaust fans and curtains are controlled by a central monitoring and control system. A scrubber system for removing VOC's in the exhaust air may be included. The barn system may also be equipped with a system to remove VOC's from the scrubber water to recycle water back for repeated use in the scrubber system.

The invention discloses a city tunnel structure system, a city tunnel is equipped with a plurality of naturally ventilating vertical wells, the top end of the vertical well is communicated with the ground, the lower end of the vertical well is communicated with the inside of the tunnel. The vertical well is arranged on the top or side upper part of the tunnel along the length direction. The naturally ventilating vertical wells can be arranged continuously along the whole length of the tunnel, or discontinuously along the whole length of the tunnel, the largest distance between the vertical wells is preferably larger than 240 meters. The top end of the vertical well can be added with a wind cap, and an auxiliary ventilator is added when natural ventilation amount is adequate. The invention also discloses a city tunnel vertical well type natural ventilation and smoke control technology using the structure system, which is suitable for single cavity two-direction traffic tunnels, as well as double cavity two-direction traffic tunnels. The invention solves the problems of ventilation and smoke control of a city tunnel having a length ranging from 500 meters to 1500 meters, greatly saves the cost for tunnel construction and running, and reduces the emission concentration of pollutants at the outlet of the tunnel.

A specially configured fuel-fired water heater production platform may be used as a natural draft water heater. Alternatively, by modifying an upper end portion of the production platform using associated conversion apparatus, the same platform may be converted to a power vented water heater subassembly, a natural draft direct vent water heater subassembly, or a powered direct vent water heater subassembly to thereby lower the overall production costs for these different types of fuel-fired water heaters.

A biologic dripping filter pool is composed of water inlet pipeline, water distributor, layered frame structure, guide tracks, drawer-type filler baskets, filtering material layer, and water corrector. Said layered frame structure has at least 4 guide track layers and relative drawer-type filler baskets.

The invention discloses a method for optimized setting of air conditioner temperature in an office building and relates to a dynamic setting method for changing a set value of the air conditioner temperature in real time according to indoor and outdoor environmental factors. To improve the dynamic setting of the air conditioner temperature, a simplified room thermodynamic model is established; in the model, the air conditioning opening is performed in the daytime, and natural ventilation is performed at night. The dynamic relations between the air conditioner load and environmental variables such as outdoor temperature, hot material temperature and the indoor temperature set value are established through the analysis of the room model. With the air conditioner load as an objective function and according to the limiting conditions that the human comfort index PMV value is within the regulated range, an optimized model of the air conditioner temperature set value is established; and optimization solution is performed on the model, so as to obtain the optimal air conditioner temperature set value at each moment. The obtained dynamic temperature set value can guarantee the good thermal comfort level for indoor workers and can effectively reduce energy consumption of the air conditioner.

The invention relates to a new construction and its methods for environmental protection, energy conservation, natural ventilation, air conditioning, noise insulation and heat preservation. It is applicable to all kinds of industrial and civil buildings. Its character is that it adopts the rationale of air-control to natural draft by cavities. In order to natrurally control the room-temperature and natural draft , it needs many cavities around the house to prepare for the natrural draft, soundproofing air-control circulate system work in the cavities formed by the intercommunication of the wall and ground ,using some special methods such as airy-control the ground and sound isolation control the wall by the wind cavities. Besides,it also recommends a manufactural erectional construction way which is suitable for the sustaining system between the earth-cavity and wall- cavity .The invention eliminates disadvantage of traditional out-of-date technique in resource-saving and environment protesting,with great worth of soundproofing, and improves noise insulation of buildings and natural ventilation permeability effect of environmental protection, energy saving and economy.

The invention discloses a fish scale curtain wall system. The fish scale curtain wall system consists of a plurality of curtain wall components which are obliquely overlaid on the outer wall of a building, wherein the curtain wall components comprise a frame and glass panels fixedly arranged in the frame; a window ventilator is arranged in the overlaid area of the curtain wall components and upper-layer adjacent curtain wall components; an air inlet passage is arranged at the connection position of the curtain wall components and a lower-layer floor plate; and further, a ventilating shutter is arranged between the upper and lower adjacent curtain wall components. As the fish scale curtain wall system disclosed by the invention is adopted, the effective utilization of natural resources is realized; the effects of natural ventilation and evaporation can be increased independent of a manual method; the fish scale curtain wall system replaces a conventional refrigerating air conditioning system, so as to greatly decrease the energy consumption of the whole building and save energy resources; and the fish scale curtain wall system is economical and practical, further, is green and environment-friendly, and is also convenient to mount.

Devices and methods for accelerating the combustion of non-gas cooking fuels used in barbequing. The devices include a starting fuel for preparing, or starting, a cooking fuel, such as charcoal briquettes, for use to cook food. The starting fuel is contained in a kindling chamber beneath an upper chamber containing the cooking fuel. A powered air delivery mechanism may provide an airflow to the fuels to increase combustion and heating thereof. In some embodiments, the device is a breach-loading device. In some embodiments, the air delivery mechanism is battery-powered. The device may be configured to provide, and/or may be automated to provide, different operating states responsive to the degree of ignition and/or combustion of the fuels in the device. In some embodiments, the device is adapted to automatically be transitioned between forced-air and natural-draft operating states, which may be controlled responsive to sensed operating parameters of the device.

The invention discloses a solar energy strengthened natural ventilate and green lighting system, belonging to the construction energy saving technique. Said invention comprises a light conduction tube system (7), an incline roof (2), a ceiling (3) connected to the incline roof (2), a solar energy collector (4), a ventilating tube (5), a heat accumulating wall (12), a thermal-insulated wall (13), a chimney (6), the first valve (9) and the second valve (10). Wherein, said solar energy collector is at the top of incline roof; the ventilating tube is between the solar energy collector and the thermal-insulate wall; the chimney is at the top of incline roof and connected to the ventilating tube; the central of chimney has an axial green lighting light conductive tube; the inlet of chimney at the end of ventilating tube has the first valve; the end of ventilating tube has the second valve between the thermal-insulated tube and the light conductive tube. The invention can avoid the defects of small ventilating pressure caused by only natural ventilation, to improve the ventilating efficiency.

The present invention relates to a tunnel air-exchange device, and more specifically to one in which: the air inside normal tunnels including tunnels through which vehicles run is cleaned and polluted internal tunnel air is expelled to the outside, to which end cold air, supplied to water tanks of different sizes provided in line at set intervals in the floor inside the tunnel, is used to ensure that the heavy soot and gases in the polluted hot air generated by vehicles, are sucked into the water tanks while the lighter foul air is discharged through chimneys by convection, thereby creating a pleasant tunnel environment by always maintaining clean air inside the tunnel; and which also extinguishes fires by spraying fire-extinguishing water during tunnel fires. Accordingly, the present invention combines a chimney effect with natural convection provided by the water tanks to exchange the air inside the tunnel and naturally expel polluted air, which is in contrast to exhaust fans of the prior art because there is no generation of noise or heat, and expenses can be reduced since there is no electrical consumption.

The invention provides a heat storage type controllable double-channel ventilation heat preservation wall system and an operation method thereof, and belongs to the technical field of passive building energy conservation. The heat storage type controllable double-channel ventilation heat preservation wall system and the operation method thereof are characterized in that double air channels with a phase change heat storage function are arranged, controllable air valves are arranged on the upper sides and the lower sides of the channels, and flexible conversion between a ventilation wall and an air heat preservation wall is completed by controlling the air valves, so that ventilation and heat preservation functions of a building are achieved. The heat storage type controllable double-channel ventilation heat preservation wall system comprises a glass cover plate, the two channels, a heat-absorbing material layer, a phase change heat storage material layer and the multiple controllable air valves, and the heat-absorbing material layer and the phase change heat storage material layer are arranged between the two channels. When the controllable air valves on the upper sides and the lower sides of the channels are opened, the natural ventilation wall is formed. When the controllable air valves on the upper sides and the lower sides of the channels are closed, the air heat preservation wall is formed. The controllable air valves are controlled according to the indoor and outdoor temperature and humidity parameters and the change of solar radiation, and conversion between the air heat preservation wall and the natural ventilation wall is achieved, so that coordinated operation of the heat storage type controllable double-channel ventilation heat preservation wall system and the operation method thereof, the building structure and the outdoor climate is achieved.

The invention discloses a wastewater treatment system for a novel intermittent water supply biological filter. The novel biological filter is improved from an ordinary biological filter, employs a mixed filter material with relatively small particle sizes to improve an effect of water treatment, and adopts a method of frequently alternating waterflooding states and air-drying states of a filter material layer and installing bottom vent pipe, to replace a natural ventilation for oxygenating and to avoid a blockage of the filter material layer. The intermittent water supply biological filter adopts broken stones (gravels) with particle sizes of 1-2 centimeters mixedly incorporated in particles, with the same size, of magnetite, graphite (or nut shell activated carbon), volcanic, limestone and activated zeolite, as filter materials for water treatment, and can adopt filter materials with diameters of 0.5-1 centimeters if pollutant concentrations of inlet water are relatively low. A height of the filter layer is 1.5- 2 meters; an intermittent quick water distribution is adopted; usually, a water distribution time for every water distribution is 20 minutes; an air-drying state lasts for 60-120 minutes; and a hydraulic load is designed for 2-4 m3/m2d. The biological filter has the advantages of good water quality for outlet water, high hydraulic load, low investment, low energy consumption, low operation cost and simple management, and is particularly suitable for treating domestic wastewater of small cities.

The invention discloses a ventilation method and a ventilation device for culturing seedlings of plants in full-closed environment, and relates to the technical field of agricultural growing. The ventilation method comprises that: in a full-closed seedling culturing box, an upper seedling culturing chamber, a suction fan, a lower seedling culturing chamber and an exhaust fan are communicated in turn through air ducts on two sides to form an internal circulating ventilation circuit; and the suction fan drafts air and the exhaust fan exhausts air so as to form internal circulating ventilation; and the ventilation device comprises a full-enclosed seedling culturing box 32, an upper seedling culturing chamber 3, a lower seedling culturing chamber 7, a suction fan 1, an exhaust fan 2, an air conditioner 4, a CO2 supplementing tank 5, an O2 supplementing tank 6, an automatic control device 8 and the like, has the function of simulating natural ventilation in the full-closed environment seedling culturing equipment, realizes the functions of uniform ventilation, dehumidification, humidification, heating, refrigeration, supplementation of O2 and Co2 and the like of multi-layer seedling culturing frame high-density seedling culture in the full-closed environment, is suitable for culturing the seedlings of the plants in greenhouses and plastic tents in various environments, and is also suitable for growing plants in the full-closed environment.

The invention discloses a system and a method for testing an indoor natural ventilating model of a building. The system comprises a building indoor model, a multi-point pressure load system, a wind velocity measurement system and a flow field display system, wherein the multi-point pressure load system is connected with the building indoor model, and loads pressure in the building indoor model; the wind velocity measurement system is extended in the building indoor model to acquire wind velocity data information in the building indoor model; the flow field display system is connected with the building indoor model to release colored gas in the building indoor model; and flow field distribution of wind velocity in the building indoor model can be displayed by shooting the distribution state of the colored gas. The system tests natural ventilation state parameters through a physical model, and can flexibly arrange house patterns and indoor decorating layout, conveniently arrange various types of buildings and various house patterns, test and evaluate indoor natural ventilation index of the building in various indoor decoration modes, and obtain direct and reliable testing results.

The invention provides a belt-type temperature-variable type grain heat pump drying device which comprises at least three drying modules which are connected in sequence. Each drying module comprises a heat pump system, an air flue system connected with the heat pump system and a drying channel connected with an air supply opening and an air return opening of the air flue system. By means of the belt-type temperature-variable type grain heat pump drying device, the phenomenon of grain crack can be effectively prevented, quality of dried grains is improved, and the yield of the dried grains is raised; cooling is conducted directly after the grains are dried, and the defects that natural ventilation cooling time is long, and the grains absorb environmental moisture are overcome; time is saved, work efficiency is improved, the grains are dried in a layered manner in the drying channel, space can be effectively utilized, quality of the grains is improved, and the yield of the grains is raised.

The invention discloses a ventilation system for civil buildings, which is characterized in that a ventilation port and a natural ventilating and filtering device used for a wall or a glass curtain wall are arranged on the wall or the glass curtain wall of a civil building. When a room is in a sealing state, natural wind force and wind speed are utilized to arouse an indoor/outdoor atmospheric pressure difference to be used as a driving force to carry out fresh air introduction on outdoor air containing moisture, dust and noise after dedusting, dehumidifying, sound absorbing and noise reducing, and thus, indoor polluted air is diluted and reduced, and a carbon monoxide poisoning phenomenon is prevented. In the systemic technology, the ventilation path is that after flowing through door gaps and door ventilation ports, air flows through a mechanical exhaust fan arranged in a toilet and is forcibly exhausted to the outdoor through the mechanism exhaust fan, and thus, a negative pressure area is formed indoor, and purposes of continuously circulating fresh air for 24 hours in a room, improving indoor air quality and protecting human health can be achieved. The invention has the advantages of simple and reasonable structure, low carbon, energy saving, convenient maintenance and the like.

Air disinfection device comprises a body that houses the power supply and control unit comprising a storage capacitor, a high-voltage DC power supply, an ignition pulse generator, a ferrite-core pulse transformer and a program control unit, and an ultraviolet radiation source mounted on the body in the form of a pulse gas discharge lamp enclosed in a tubular cooled casing transparent to bactericidal radiation. The storage capacitor and the pulse gas discharge lamp form a discharge circuit connected to the ignition pulse generator through the ferrite-core pulse transformer. The pulse gas discharge lamp is installed in a casing transparent to bactericidal radiation with convection air cooling capabilities provided by natural draft produced inside the casing, wherein the casing has one or several upper-level orifices in its upper part and some lower-level orifices in its lower part, with the following ratio of parameters:

where h is the distance between the orifices of the upper and lower levels, m; S_upper—total surface area of the orifice in the upper level, m²; S_lower—total surface area of the orifice in the lower level, m²; A=(2÷30)·10¹³J²/m⁵s²—power correlation coefficient; C—capacity of energy storage capacitor, F; U₀—charge voltage of the energy storage capacitor, V; F—pulse repetition rate of the ignition pulse generator, Hz.

The invention discloses a radiation-proof shield for adaptive air temperature/humidity measurement, which comprises a solar pallet, a radiation-proof shield main body and a support, wherein a solar-cell panel is fixed on the solar pallet; the radiation-proof shield main body comprises an umbellate blade type radiation-proof shield, an air fan, a sensor and a control panel, wherein the top end of the umbellate blade type radiation-proof shield is fixedly connected with the solar pallet, and the umbellate blade type radiation-proof shield is formed into a surrounding airtight chamber structure through superposing a plurality of layers of white umbellate radiation-proof plates; the fan is arranged at the top end of the inside of the umbellate blade type radiation-proof shield; the sensor is arranged in the umbellate blade type radiation-proof shield; and the control panel is arranged on the umbellate blade type radiation-proof shield, connected with the solar-cell panel and the fan, and used for building a solar-cell photovoltaic model and an energy consumption evaluation model according to radiation values and adjusting the wind speed output of the fan. By using the radiation-proof shield disclosed by the invention, the natural ventilation and forced ventilation can be adaptively combined according to solar radiation, so that the radiation error caused by air temperature/humidity measurement can be minimized with the minimum energy consumption.

The invention relates to a method for processing incineration fly ash with a composite medicament. The method which adopts a medicament A combined inorganic phosphorus medicament and a medicament B organic sulfur chelating agent as heavy metal stabilizing agents comprises the following steps: 1, mixing the incineration fly ash with an aqueous solution of the medicament A, and stirring for 10-30min to uniformly mix the flash ash with the medicament A to obtain a mortar A; 2, mixing the mortar A with an aqueous solution of the medicament B, and stirring for 10-30min to uniformly mix the flash ash with the medicament B to obtain a mortar B; and 3, maintaining the mortar B under natural ventilation conditions for over 24h, and preferably 24-36h to make effective components in the composite medicament be fully reacted with heavy metals in the flash ash, and conveying to a safe landfill. By adopting the method in the invention, the inorganic phosphorus medicament and the organic sulfur medicament mutually compensate each other, so the heavy metals in the incineration fly ash are efficiently stabilized, the usage amount of the composite medicament is reduced, and the flash ash processing cost is reduced.