2858 results about "Water curtain" patented technology

Provided are an underwater processing apparatus which can effectively prevent water from entering a shield for a workpiece having a surface ruggedness, and in which variation in a gas flow for a processing part is reduced, a processing method and an application thereof to a nuclear reactor, and the under water processing device is composed of a shield means which locally cover the processing part with the gas in order to prevent water from entering the shield member, the shield means having a solid wall formed of a member which is slidable in a part where it make contact with the workpiece, and adapted to make contact with the workpiece and to be moved up and down by a pressing force, and a water jetting means for forming a water curtain around the outer periphery of the solid wall.

The invention discloses a fire fighting method of a container type lithium ion battery energy storage system. The fire fighting method of the container type lithium ion battery energy storage system utilizes an automatic fire extinguishing system and an early warning system, can separately initiate three-stage fire-extinguishing responses in different stages of fire happening and spreading in energy storage containers, such as single battery fire, battery module fire and energy storage system fire, and sends out three-stage warning signals, that is, through a fire detection and fire extinguishing system, a fine water mist fire extinguishing system and a water spray and water curtain system, the single battery fire as well as the spread of the fire between a battery cabinet and even the containers can be effectively restrained and prevented; and meanwhile, terminal monitor personnel takes different emergency measures through the different early warning signals, so that the safety and efficient operation of the container type energy storage system is ensured.

Disclosed is a shower head comprising a housing-type first part (T1) inside which a water duct extends. One end of said water duct communicates with a water inlet. The first part (T1) is connected to a second part (T2) that is embodied as a discharging element. The receiving space of the discharging element communicates with the other end of the water duct in at least one mode of operation of the shower head. In said mode of operation, the external edge of the second part (T2) forms an overflow edge in one region, via which water can flow off. The second part (T2) forming the discharging element is composed of a top portion and a bottom portion, between which an interior space is located that communicates with the second end of the water duct in a second mode of operation of the shower head. A plurality of nozzle-type discharge ports (A2) are arranged in the bottom portion of the second part (T2). The inventive shower head is inexpensive to produce while being able to alternatively or cumulatively generate a water curtain discharged via the overflow edge and/or a plurality of individual shower jets discharged through the nozzle-type discharge ports (A2).

The invention provides an intelligent ecological greenhouse system based on solar light supplement and geothermal insulation. The system comprises a greenhouse, a water accumulation and feed device, a fertilization device, a solar light condensation device, an optical fiber receiver, an optical fiber light splitter, a light supplement lamp, a solar photovoltaic generation device, a geothermal pump, hot water heat-radiating fins, a water curtain cooler, a CO2 generation device, a constant-flow ventilating window, a temperature sensing device, a humidity sensing device, a photosensitive sensor, a video monitor device, a CO2 sensing device, a rainwater collection pool, a storage battery, a power supply controller, an inverter, a control host, a monitor, a mains supply and the like, wherein electric power of a solar photovoltaic module and electric power of the mains supply are respectively supplied to the geothermal pump and the control host as well as a water feed pump and the light supplement lamp; and the control host respectively receives different signals of the temperature sensing device, the humidity sensing device, the photosensitive sensor and the CO2 sensing device to control respective terminal devices, respectively performs light supplement, temperature insulation, watering, fertilization and CO2 adjustment, and carries out remote monitoring at the same time.

The invention relates to an environmental control system, in particular to a house microclimate control system for a biological fermentation hog house, which comprises a lower computer subsystem and an upper computer monitoring subsystem. The lower computer subsystem comprises an input device, a detection unit, a master control unit, a display unit, an executive drive unit and an executive unit. The system is mainly functionally capable of automatically acquiring environment factors, such as interior air temperature, interior air humidity, interior ammonia concentration of the hog house, temperature of padding of a biological fermentation bed, exterior air temperature and exterior humidity of the hog house, and the like, capable of starting and stopping ventilation operation, water curtain cooling operation and interior sprinkling operation to effectively regulate house temperature and ammonia concentration according to physiological comfort of hogs, and capable of intelligently sprinkling to effectively regulate humidity of the biological fermentation bed according to physiological comfort of the hogs and the humidity of the biological fermentation bed.

A range hood comprising a hood body, a ventilation fan inside a continuous pipe; a water container is on the bottom of the hood body, a removable board is on the front side of the hood body, a filter net is in between from inside of the removable board to the continuous pipe. Based on the described above; water level in the water container is above the bottom of the removable board and the filter net, when the ventilation fan is on, air is sucked in from the inlet pipe, the soot is also sucked in; the air flow rushes from water surface and flows from the bottom of the removable board and turns to the filter net, and forms a small water curtain between removable board and the filter net; the present invention achieves washing, sucking particles and dust, prevent fire hazard, water recycling and easy to maintain effect.

The invention provides a method for constructing a water-stop curtain of a double-high-pressure rotary grouting pile, which is suitable for a water-stop curtain or foundation reinforcement of a deep foundation pit in a soil layer with a depth of 30 to 60 m. The method includes the following steps: construction of a water-stop curtain; Selection of design parameters; selection of dual high-pressure jet grouting piles and construction parameters. The effect of the invention is that the double-high-pressure rotary spraying method increases the slurry pressure on the basis of the traditional triple-tube rotary spraying method, and sprays and punches the soil body again to form a larger diameter and fill. It solves the technical problem that traditional techniques cannot form piles in 40-60m ultra-deep foundation treatment, and forms a vertical water-stop curtain through interlocking piles, which has been successfully applied in deep foundation pit anti-seepage, water-stop and foundation reinforcement. The performance of water stop reinforcement in ultra-deep foundation treatment is improved, the strength and impermeability of the pile body are improved, and the construction cost is reduced.

The invention discloses a method and a device for cleaning fresh and alive sea cucumbers suitable for continuous production, which use bubbles generated by compressed air ejected upwards from the bottom of a water tank to perform scatheless and omnibearing cleaning on the body surfaces of the fresh and alive sea cucumbers, can thoroughly eliminate silt, mucus and other impurities in rugae on the body surfaces, and simultaneously use water flow for propulsion in the cleaning process to achieve non-mechanism delivery without damaging the skin of the fresh and alive sea cucumbers, and output the cleaned sea cucumbers continuously by using an output conveying belt for the convenience of continuous production, wherein the bubble ejection quantity and the water flow propulsive force are adjustable and controllable to satisfy the cleanings with requirements on different specifications and different cleaning forces. Besides, the higher end of the output conveying belt is provided with a spray water curtain to perform secondary spray cleaning on the cleaned sea cucumbers so as to achieve the optimal cleaning effect. The device also has water-saving function, and the cleaning water can be recycled through water quality purification.

The invention discloses a direct injection type air purifier which comprises a water tank, a machine body, a spray header, a water pump and an exhaust fan. The machine body is positioned above the water tank; an air outlet is formed in the machine body; the exhaust fan is arranged in the air outlet; a water outlet of the water pump is communicated with the spray header; a water inlet of the water pump is communicated with an inner cavity of the water tank; a ring-shaped filtering cover is arranged between the machine body and the water tank; a spray chamber is formed by a cavity surrounded by the filtering cover; the spray header is positioned above the spray chamber; a water curtain sprayed by the spray header can pass through the spray chamber; the upper end of the spray chamber is communicated with the air outlet of the machine body; the lower end of the spray chamber is communicated with the inner cavity of the water tank. The cavity surrounded by the filtering cover is the spray chamber, so that air enters the spray chamber from the surrounding of the filtering cover, the air filtered by the filtering cover is washed by the water curtain sprayed by the spray header to be purified and the purified air is finally exhausted from the air outlet; the air can enter the spray chamber from the surrounding of the filtering cover, so that the supply air rate is increased and the purifying efficiency of the air purifier is improved.

The invention relates to a preparation method of metal powder, in particular to a preparation method for a sintered copper powder material of a heat pipe. The method comprises the following steps in sequence: smelting, water atomization, dehydrating, drying, reducing, smashing and antioxidant treatment, wherein water jet torrent set in the water atomization process comprises a tapered water curtain formed by the water jet torrent and two V-shaped water curtains formed by intersection of two pairs of planar water jet torrent; the tip of the tapered water curtain faces downwards, and the axial lead of the tapered water curtain is vertical; straight lines formed by the crossing angles of the two V-shaped water curtains are vertical to each other, and the crossing angles of the two V-shaped water curtains are positioned below the tip of the tapered water curtain; and in the water atomization process, copper liquid flow falls along the axial lead of the tapered water curtain and is sequentially contacted with the tapered water curtain and the V-shaped water curtains. The invention has the advantages that the energy consumption and the production cost are lowered, the product quality is obviously improved, and the problem of producing copper powder with a low Poisson's ratio by the water atomization method is solved.

The invention relates to a split type water-cooling air conditioner fan device, comprising a cooler arranged outside, an indoor heat exchanger and a water pipe connecting the cooler and heat exchanger; wherein the cooler is a water vapour heat sink and comprises a shell and a fan assembly, a control device, a water curtain, a water tank and a water channel which are arranged in the shell; the water pipe comprises a low temperature water pipe and a high temperature water pipe, the low temperature water pipe is connected with the inlet of the heat exchanger and the outlet of the water tank of the cooler, and the high temperature is connected with the outlet of the heat exchanger and the inlet of the water channel of the cooler; and the indoor heat exchanger is a gas-liquid heat exchanger. The invention also relates to a cooling method of the split type water cooling air conditioner fan device. The air conditioner device not only can maintain indoor absolute humidity when in use but alsohas favourable heat sink and cooling effect and has the advantages of high working efficiency, energy conservation and wide application, and effect of mid refrigeration and temperature reduction without humidifying can be achieved even in damp area.

The invention discloses a device for recycling gas purified from spray paint waste gas in a spray room, which can effectively reduce and eliminate volatile organic compounds, ensure that waste gas in the spray room is purified and the purified gas can be recycled, and realize zero discharge of waste gas after the waste gas undergoes three-stage purification treatment, i.e. water curtain and water spray treatment at the first stage; louver damper steam filtration, coarse paint resistance cotton filtration, active carbon filtration absorption and F7 medium effective filter treatment at the second stage; and apricot shell active carbon absorption and cloth bag dust remove treatment at the third stage. The device with novel structure is provided with a wastewater disposal basin and a circulation water basin at the lower part of the spray room and also provided with a second-stage and third-stage waste gas treatment device at the upper part of the spray room and has the advantages of small floor area, high waste gas treatment efficiency and recycled purified gas; and after filtration treatment, wastewater can be recycled and centrically treated. Double-zero discharge of waste gas and wastewater is realized; and effects of land saving, environment protection, energy saving and consumption reduction are achieved.

The invention discloses a novel double-effect solar greenhouse and a building method thereof. The novel double-effect solar greenhouse comprises transparent walls (1), a transparent daylighting surface (10), a water-curtain solar plate-type heat-collecting system (2), a high-temperature water tank (3), a low-temperature water tank (4), a stagnation-type water bag (5), a floor heating coil (6), a central control system (7), a gas-source heat pump heat-exchanging system (8) and a solar collector tube heat-storage system (9), wherein polystyrene foam particles which can be filled and extracted are arranged inside the transparent walls (1). The novel double-effect solar greenhouse makes full use of solar energy and can automatically adjust the ambient temperature in the solar greenhouse through a plurality of solar heat accumulating and releasing systems, so that compared with an ordinary solar greenhouse, security, reliability and self-control of the novel double-effect solar greenhouse are greatly improved and chilling injury inside the solar greenhouse in winter is effectively prevented; therefore, the novel double-effect solar greenhouse has wide popularization and application prospects.

The invention relates to the technical field of an underground water seal cave depot, in particular to a design method for a water curtain system of an underground water seal cave depot. The method comprises the steps: designing a water curtain roadway after the completion of the design of a main chamber and the design of a traffic roadway; designing a horizontal water direction curtain hole and a vertical direction water curtain hole; carrying out construction reconnaissance on the development condition of a fault fracture zone; after the excavation forming of the water curtain roadway, designing a preprocessing scheme to weak rock mass in the main chamber; carrying out a backup flooding test to all water curtain holes of the roadway after the completion of all water curtain holes of some water curtain roadway; and designing a blocking scheme to seepage channels discovered. According to the design method provided by the invention, the depth of the horizontal direction water curtain hole can be greatly reduced, and the pore-forming construction difficulty is low; furthermore, the preliminary grouting is injected to the weak rock mass in the main chamber through the water curtain roadway, so as to be beneficial for ensuring the construction progress and reducing the construction risk; furthermore, the grouting can be injected to the seepage channels for blocking, and the loss of underground water can be prevented or reduced when the main chamber is excavated, so as to ensure the water seal environment all around the main chamber.

The invention relates to ceramics imitating marble glaze manufacturing technology and the improvement of its device. Its main processes are that flush lettering type adobes is extruded by the press, dried, burning of brick at low temperature, then decreased under the common temperature, sprinkled with water to humid, flowed casting material, transmitted to the water curtain to disappear along the horizontal direction, dried and burning of brick again, polished the edge of the section, package in stages. The workings of the flow liner pattern material equipment are that two or many color paste with certain viscosity are flowed into one or many flow liner pattern material mixing device by plasticity soft tube with different calibers. The mixing device can be moved left and right along the crossbeam. After mixed or without mixing the color paste is flowed into the paste storing cavity, and flowed casting to the prepared flush lettering type adobes.

The invention provides a tunnel fire extinguishing system based on water curtain shielding effects. The tunnel fire extinguishing system comprises a fire detection system; the fire detection system includes a fire detector and a fire alarm controller; the fire detector is in communication connection with the fire alarm controller. A water curtain fire extinguishing system comprises a water supply system and multiple sets of water curtain nozzle sections arranged along the longitudinal interval of the tunnel; the water supply system consists of deluge valves units corresponding to all of the sets of water curtain nozzle sections. The deluge valves units are in communication connection with the fire alarm controller. The sets of water curtain nozzle sections comprise multi-row water curtain nozzles installed along the cross section of the tunnel. The fire detector is arranged on the vault or the side wall of the tunnel which is between the adjacent sets of water curtain nozzle sections. According to the tunnel fire extinguishing system, the water curtain nozzle sections produce a full section dense water curtain with a certain thickness on both sides of the fire source and form a water curtain partition section to prevent the spread of fire smoke and to block the air supply on both sides of the water curtain, and finally to achieve the effects of controlling the fire smoke in the tunnel and extinguishing the fire.

The invention relates to a waterpower gravity type vertical ship lift. A ship chamber and a gravity water chamber are caused to be in butted joint by an assembly pulley and a steel cable winding system of a wound roll in the way of bilateral balance so as to cause the lifting points of the ship chamber and the gravity water chamber to be in mutual rigid connection, thereby benefiting the maintenance of favorable synchronization during up and down running. When the ship chamber needs to be descended, water in the gravity water chamber is discharged; and when the ship chamber needs to be lifted, water is added to the gravity water chamber. By changing the gravity difference of counterpoise on both sides, the abrasion resisting moment of the steel cable winding system is overcome, thereby causing a ship reception chamber to be moved up and down and realizing the navigable butted joint of upstream and downstream water levels. A method for adding water to the gravity water chamber is as follows: by enlarging the area of a feed water inlet, the flow of the water is decelerated, and the mode of multi-layer water supply is adopted so as to reduce the water supply drop height of the feed water inlet and the gravity water chamber. The water flows out from overflow pore plates of a water storage chamber in a way of overflow and then flows downwards into the gravity water chamber along water curtain wall plates.

The invention relates to a stage structure which comprises a stage main body, lateral ride devices, a water curtain device, and a scaling ladder device and liftable prop box devices, wherein the stage main body comprises a stage surface and side wall surfaces; each lifting unit can ascend and descend independently; the lateral car ride devices in off-working states, are hidden on the two sides of the stage surface and the lateral ride devices can translate to the center of the stage surface; the water curtain device is positioned at the front middle part of the stage surface, and connected with the stage surface to form a T-shaped structure; the scaling ladder device and the liftable prop box devices are hoisted at a grid of a stage; the scaling ladder device in a folded state is parallel to the stage surface, and forms a part of a stage ceiling; the scaling ladder device in an unfolded state can be connected with the risen stage surface, and forms a stager channel; the liftable prop box devices in takeup states are all parallel to the stage surface, and form another part of the stage ceiling; and the liftable prop devices in payoff states can form various shapes above the stage surface. The stage structure can present a multi-level and diversified three-dimensional stage effect.

A tilt-type water-quenching process for treating steel slag features that after the molten steel slag is poured in slag ladle and the slag ladle is transported to the water-quenching pool, the slag lalde is tilted for pouring the steel ladle in the pool slowly. Before the steel slag comes in water, it passes through the water curtain sprayed by granularizer to become particles. Finally, it is quenched in quenching pool. Its granular steel slag can be used as raw material of smelting iron of for road.

The invention discloses a closed dust removal method and system for a tunneling working face, comprising a press-in fan, a press-in fan, a metal frame gauze, an atomizing nozzle, a dust removal fan and a draw-out fan; the press-in fan forms The air flow is blown out through the press-in type blower to form an air curtain that can close the entire working section of the roadway, and at the same time blow the dust to the other side of the roadway; the atomizing nozzle and gauze mesh cooperate to form a dust control water curtain on the other side of the roadway The gauze and the extractor fan are connected to the dust removal fan. Under the action of the dust removal fan, the dust in the dust accumulation area is sucked into the extractor fan from the dust collection hood, and then enters the dust removal fan for purification. The design method of the present invention is simple and practical, easy to operate, less maintenance workload, does not hinder the normal operation of on-site personnel, the dust removal efficiency exceeds 96%, and the dust removal effect is good.

A PM 2.5 ventilator device is provided with a filter unit, wherein the filter unit is provided with a bidirectional exhaust fan, a louver, a water pump and a water curtain nozzle, wherein the louver is provided with a filtering water curtain. A motor of the bidirectional exhaust fan is controlled by a controller to rotate reversely, so that indoor air is discharged outside; the motor of the bidirectional exhaust fan is controlled by the controller to rotate in the forward direction, so that fresh outdoor air is sucked to the indoor space, and fresh air enters the indoor space after being filtered by the filtering water curtain of the louver, the filtering water curtain absorbs dust and PM 2.5 of outdoor air, so as to exchange and purify indoor air; besides, disinfectant is added in the filtering water curtain to enable the filtering water curtain to be endowed with the function of disinfecting fresh air.