45results about How to "Achieve natural ventilation" patented technology

The invention discloses a discrete type active noise-reducing, ventilating and sound-insulating window structure. A window body is divided into an inner layer and an outer layer, each layer of the window consists of a casement window and a middle fixed window, and the fixed window can be divided into a plurality of discrete type active noise-control pipelines according to a noise-reducing requirement; a control system comprises a plurality of controllers, a plurality of reference microphones, a plurality of control sources and a plurality of error microphones; and the control sources are arranged in middle interlayer of each discrete type pipeline near to an indoor air vent, the reference microphones are arranged at each discrete type pipeline opening in the window which is near to an outdoor wind inlet, and the error microphones are arranged on a window frame which is near to the indoor air vent. The window can obtain 12dBA of newly-increased noise attenuation quantity under 200-800Hz while natural ventilating, so that the afference of the low-frequency noise of wideband can be effectively attenuated. Meanwhile, the frequency upper limit can be controlled according to the requirement of the family life, and the number of the discrete type pipelines can be increased, so that the frequency band can be effectively controlled under the condition that the natural ventilation is further improved. Various work statuses can be provided to meet the requirements of the family life.

The invention relates to a method for relieving the cavitation of a high-lift ship lock sudden-enlargement gallery body type, in particular to a natural ventilation method for relieving sill-lifting cavitation of a high-lift ship lock sudden-enlargement gallery, by adopting quintic curved type sill-lifting, an air entraining groove and a wedge-shape deflecting flow sill thereof are arranged at the position of water flow separation on a sill-lifting curved surface, so as to form a stable low-pressure area; meanwhile, an air pipe is additionally arranged at the position of water flow separation, so as to realize natural ventilation and relief sill-lifting cavitation. A stable cavity can be formed at the position of the air entraining groove on the sudden-enlargement sill-lifting curved surface, so as realize stable natural ventilation of sill-lifting.

The invention discloses a multifunctional cable tunnel inspection well. An intelligent sewage discharge control box is installed on one side of a house wall on the upper portion of the inspection well. A switch door is arranged on the road facing face of the portion, located on the upper portion of the inspection well, of a house. A solar cell panel is installed at the top of the portion, located on the upper portion of the inspection well, of the house. An accumulator is installed on the portion, located on the upper portion of the inspection well, in the house and connected with the solar cell panel. A lamp is installed at the top of the portion, located on the upper portion of the inspection well, of the house. Rainproof shutters are installed on three faces of the portions, located on the upper portion of the inspection well, of the house and protective nets are installed on the shutters. A galvanized safety cover board is installed on the upper portion of a water collection pit. A crawling ladder is located on the lower portion of the inspection well. A cable support is located in a cable trench and extends to the lower portion of the inspection well. The water collection pit is located on the lower portion of the inspection well. A liquid level meter is located in the water collection pit. A submersible sewage pump is located in the water collection pit. A flexible waterproof casing pipe is located on a wall penetrating portion of a water drainage pipe. The water drainage pipe is connected with the submersible sewage pump and connected to an external water drainage inspection well. The multifunctional cable tunnel inspection well is easy to install, convenient to maintain, attractive in appearance, capable of saving energy and environmentally friendly.

The invention relates to a roof-windowing single-span plastic greenhouse, belonging to the technical field of plastic greenhouses. The roof-windowing single-span plastic greenhouse is characterized in that one long arch bar and one short arch bar are connected through a connecting piece to form a single arch frame, and the long arch bar and the short arch bar which are arranged at the two sides of the single arch frame and are different in length form a vertical roof ventilating window on the top of the single arch frame; the single arch frames are longitudinally connected on the top of the long arch bars by virtue of a main longitudinal rod to form a main arch frame of the greenhouse; a plastic film is covered on the main arch frame to form the plastic greenhouse; and side ventilating windows are arranged at the two sides of the lower part of the greenhouse. In the roof-windowing single-span plastic greenhouse, the vertical roof ventilating window is arranged on the top of the greenhouse and is matched with the side ventilating windows at the lower part so as to form better hot pressure ventilation effect, thus natural ventilation also can be realized only by utilizing hot pressure even under the windless external condition. In routine production, as the hot pressure ventilation capability is increased, the natural ventilation property of the single-span greenhouse is obviously improved under the combined action of wind pressure and the hot pressure so that the temperature in the greenhouse can not be too high, thus meeting the requirement for crop growth.

A window with built-in vertical type rotary glass comprises a window body arranged on a wall, a motor and a controller. A moving opening is formed in the middle of the thick glass arranged in the middle of the window body, a movable glass block is arranged in the moving opening, and the top of the movable glass block is connected with the driving end of the motor through an upper rotating shaft; the controller comprises a metal outer shell, a metal inner shell, an input power line, an output power line, an n-shaped insulating plate and an input paraffin block, and an input conductive sheet connected to the input power line and an output conductive sheet connected to the output power line are vertically and oppositely arranged in the metal inner shell. By means of the window with the built-in vertical type rotary glass, automatic aeration cooling can be carried out in fires, fire losses can be conveniently lowered, and the window is simple in structure, high in practicability, low in cost and high in controllability.

The invention discloses an electricity-saving ventilation device for an indoor air trapping area. The electricity-saving ventilation device for the indoor air trapping area comprises an air inlet, an adjustable vane, a rotary shaft, a vane opening degree adjustment valve, a contraction section, an air inlet duct direction positioning mechanism and an air exhausting mechanism. The adjustable vane is connected to one end of the contraction section through the rotary shaft. The vane opening degree adjustment valve is connected with the rotary shaft through a connecting line and used for adjusting the opening degree of the adjustable vane. The air inlet duct direction positioning mechanism comprises a wind indicator, a vertical shaft, a wind direction positioning pointer and a positioning valve. The air exhausting mechanism comprises a vertical pipe, an air exhaust opening and an air outlet diffusion section. A sleeve pipe is arranged below the contraction section, and the positioning valve is arranged on the sleeve pipe and used for adjusting the rotary corner of the contraction section on the vertical pipe. Compared with the prior art, the electricity-saving ventilation device for the indoor air trapping area realizes natural ventilation through the self-structure, and is obvious in electricity saving effect, low in use cost, simple in structure, good in exhausting effect for indoor trapped air, suitable for ventilation of the indoor air trapping area, and wide in popularization space.

The invention discloses a ventilation device and a wall body. The ventilation device is provided with a frame and a ventilation unit which is arranged in the frame, wherein the ventilation unit comprises a filtering fan, a gauze element and transparent filtering blades; the filtering fan is positioned on the innermost side of the ventilation unit; the gauze element is positioned outside the filtering fan; the transparent filtering blades are positioned outside the gauze element; and clearances are reserved among the filtering fan, the gauze element and the transparent filtering blades. The ventilation device and the wall body utilize the wind pressure caused by the density difference of air inside and outside a building or the wind pressure caused by the outdoor atmospheric motion to introduce outdoor fresh air so as to realize ventilation and air exchange functions, so that the natural ventilation of indoor air is realized, and the mechanical power is not required to be consumed; a filtration system is arranged, and dust, sandy soil, strong wind, splashes, peculiar smell, toxic gas, flying insects and the like are prevented from entering the ventilation device by purifying the air; and the fresh air is aerated into a room, so that the secondary pollution to the room is avoided.

An energy-saving and emission-reducing split-level type natural curtain ventilator system comprises a lower curtain wall at a lower floor, an upper curtain wall at an upper floor, and a mainbody frame, as well as an air inlet device, a natural air outlet device and a ventilation pipe, wherein the mainbody frame is positioned between a slab of the upper floor and a ceiling of the lower floor, the air inlet device is arranged on the ceiling of the lower floor to be communicated with the exterior, the natural air outlet device is arranged on the slab surface of the upper floor to be communicated with the interior, and the ventilation pipe penetrates through the mainbody frame and is connected with the air inlet device and the natural air outlet device. The system mainly has the following beneficial effects of realizing natural ventilation of rooms in a building with a floor type glass curtain wall or with curtain wall incapable of opening windows, avoiding a practice that natural ventilation in a curtain wall building is realized as an outside ventilation window has to be arranged, being simple in structure, and convenient to maintain, and saving energy resources.

The invention discloses a building energy-saving ventilation structure and a running method thereof. The building energy-saving ventilation structure comprises an adjustable baffle, a glass curtain wall, a glass curtain wall air valve, wall body air valves, a heat storage layer and a heat insulation layer. A building south wall of each layer is provided with two air valves. The inner side and theouter side of the building south wall are provided with the heat storage layer and the heat insulation layer. A building north wall of each layer is provided with a north wall air valve, and the northwall air valve is located between the two air valves of the building south wall of the same layer. The glass curtain wall is fixed to the ground and located on the south sides of the building south walls. The upper end of the glass curtain wall is provided with the adjustable baffle which can rotate around a rotating shaft. The glass curtain wall is provided with the glass curtain wall air valve,and the glass curtain wall air valve is located between the two air valves of one layer of the building south wall. A building is provided with an oblique roof. An additional sunshine room is formedby the glass curtain wall, the building south walls, the adjustable baffle and the oblique roof. According to the building energy-saving ventilation structure, indoor air ventilation is intensified and the indoor temperature is adjusted slightly through solar energy and by combination of the heat storage layer, the heat insulation layer and the reasonable air valve layout, and the building energyconsumption is reduced.

The invention discloses a joint implementation method for honeycomb type mining and strategic oil storage. The joint implementation method comprises the steps that (1) an ore body is divided into mining middle sections in the elevation of the ore body, each of the mining middle sections is divided into panels in the ore body trend, and each of the panels is divided into narrow mining fields and wide mining fields; (2) the upper portions of the panels are provided with an upper roadway, and the lower portions of the panels are provided with a lower roadway; (3) the mining fields in the panels are subjected to mining, specifically, the narrow mining fields are filled after back production, oil storage pipelines are erected after the back production of the wide mining fields, and then fillingis carried out; (4) the narrow mining fields at junctions between the panels are subjected to the mining; (5) the mining is finished, an input oil pipe is distributed in the upper portions of the panels, and the input oil pipe is connected with the upper portions of the oil storage pipelines; an output oil pipe is distributed in the lower portions of the panels, and the output oil pipe is connected with the lower portions of the oil storage pipelines; and (6) oil is input from the input oil pipe, stored in the oil storage pipelines and output through the output oil pipe, and the mining and the strategic oil storage are jointly implemented. According to the joint implementation method for the honeycomb type mining and strategic oil storage, the mine goaf is turned into wealth, and the mining cost and the oil strategic storage investment are reduced.

The invention relates to an agricultural greenhouse capable of automatically opening and closing a top ventilation device. A skylight comprises a movable opening, a convex glass plate, a concave glassplate and a fixing bolt; the convex glass plate and the concave glass plate are hinged with upper and lower sides of the movable opening respectively; a convex portion disposed on a lower side of theconvex glass plate is engaged with a concave portion disposed on an upper side of the concave glass plate; one end of the same fixing bolt is inserted into and fixes the convex portion and the concave portion; the other end of the fixing bolt is connected to an electric motor; the electric motor is connected to a power supply through a controller; the controller includes a metal casing, a left power line, a right power line, a left conductive piece, a right conductive piece, a left conductive folding strip, a right conductive folding strip, a left wax strip, a right wax strip and an intermediate conductive portion. The agricultural greenhouse is environment-friendly, and facilitates natural ventilation and cooling to resist fire; and the structure is simple, and the cost is low.

The invention relates to a planting greenhouse. The planting greenhouse comprises a controller, a motor, a power source, a motor wire conduit, a power source wire conduit and a skylight; the skylightcomprises a movable opening, a convex glass plate, a concave glass plate and a fixing bolt; the convex and concave glass plates are hinged to the upper and lower sides of the movable opening respectively, a convex part arranged on the lower side of the convex glass plate is meshed with a concave part arranged on the upper side of the concave glass plate, and one end of the fixing bolt is insertedinto the convex part and the concave part for fixation; the motor is connected to the other end of the fixing bolt and connected to the power source through the controller; an input conductive sheet connected to an input power source wire in the controller and an output conductive sheet connected to an output power source wire are oppositely disposed on the left and right sides of the interior ofa metal casing, the bottom of an insulating plate between the input conductive sheet and the output conductive sheet is connected to the left and right walls of the metal casing through a transverse wax strip, and magnets with a magnetic attraction force are disposed on the back surfaces of the conductive sheets respectively. The design not only is environmentally friendly and facilitates naturalventilation for cooling to prevent fire disasters but also is simple in structure and low in cost.

A plantation greenhouse for plants includes a controller, an electric motor, a power source, a motor wire conduit, a power wire conduit and a skylight. The skylight includes a movable mouth, a convexglass plate, a concave glass plate and a fixing bolt; the convex glass plate and the concave glass plate are respectively hinged to upper and lower sides of the movable mouth; a convex part disposed on a lower side edge of the convex glass plate is engaged with a concave part disposed on an upper side edge of the concave glass plate; the convex part and the concave part are inserted and fixed by one end of the same fixing bolt, and the other end of the fixing bolt is connected with the electric motor; the electric motor is connected with the power source through the controller; the controllerincludes a metal shell, an input power line, an output power line, an input conducting plate, an output conducting plate, an inclined slide plate, a conductive rolling ball and a wax block; the rightend of the inclined slide plate is connected to the right side wall of the metal shell; and the left end of the inclined slide plate is connected to the left side wall of the metal shell. The plantation greenhouse for the plants not only is good in environmental protection, and is convenient to naturally ventilate and cool for fire hazard resistance, but also is simple in structure and is low in cost.

The invention belongs to a rural pollutant integrative processing system in the field of sewage treatment. The system is composed of a low-energy sewage treatment system and household fermentation equipment. The low-energy sewage treatment system is composed of a sedimentation oil separator, a filler pond, a water storage lifting tank, a self-reaeration biological tank and a constructed wetland bed which are connected in order. The household fermentation equipment is composed of a seepage-proofing pit, a ventilation filling layer and a fermenter. Technical problems such as high cost, substandard treatment and high energy consumption that exist in present rural pollutant processing systems are solved. The rural pollutant integrative processing system provided by the invention has advantages of simple technology, convenient operation, low energy consumption and comprehensive utilization of processed wastewater and refuse.

The invention discloses a multi-blade type intake device. The multi-blade type intake device comprises a window, a controller, large and small belt pulleys and a transmission band. A moving opening isformed in the middle portion of thick glass arranged on the middle portion of the window, the moving opening is internally provided with a rotating shaft and blades connected onto the rotating shaft,a circle with the distance between the apex of the blade edges and the center portion of the blades as the radius and the center portion as the center of the circle is externally tangent with the plane where kraft paper is located, the plane where the kraft paper is located is parallel to the blade surfaces of the blades, and one end of the rotating shaft is connected with the driving end of themotor. An input conducting plate connected to an input power line of the controller and an output conducting plate connected to an output power line are oppositely arranged in a metal shell right andleft, the bottom of an insulating plate between the input/output conducting plates is connected to the left and right walls of the metal shell by a horizontal wax strip, and magnetically attracting magnets are disposed on the back surfaces of the conducting plates. The design can automatically exhaust air in case of fire, can conveniently reduce fire losses, and is simple in structure, high in practicality and low in cost.