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6406results about How to "Conserve water" patented technology

Intelligent fire-fighting robot and control method thereof

The invention discloses an intelligent fire-fighting robot and a control method thereof. The intelligent fire-fighting robot comprises a vehicle body and is characterized in that a power supply is arranged on the vehicle body and electrically connected with a control device, the control device is connected with a walking device, a spray device and an auxiliary device and wirelessly connected witha central control terminal, and the spray device is connected with fire extinguishing boxes containing different fire extinguishing agents; the control device communicates with the central control terminal and the auxiliary device to obtain the fire outbreak position and fire outbreak type and controls the walking device, so that the vehicle body can reach the fire outbreak position, and the control device controls the spray device to select the fire extinguishing agent matched with the fire outbreak type from the corresponding fire extinguishing box and to perform spray for fire extinguishing. The device is small in size, flexible to move, can operate with human or other devices to improve the fire extinguishing efficiency, can avoid barriers to position the fire outbreak location, realizes accurate fixed-point fire extinguishing, can automatically switch the types of fire extinguishing agents according to the fire outbreak type and can enter the dangerous area for rescue.
Owner:NORTH CHINA UNIVERSITY OF TECHNOLOGY

Chromium residue detoxifying process

The invention belongs to the technical field of chromium residue detoxifying, and discloses a chromium residue detoxifying process. The process comprises the following steps of: performing wet grinding on chromium residue, adding water into the chromium residue to prepare chromium residue slurry; and after being subjected to acid-leaching reduction reaction, performing solid-liquid separation on the chromium residue slurry to obtain a filter cake, namely the detoxified chromium residue. The process is characterized in that: under the condition of not changing the original alkaline environment of the chromium residue, a reducing agent 1 is added into the chromium residue directly, and then the reducing agent and the chromium residue are subjected to wet grinding to form particles with 100 to 300 meshes; and the water is added to prepare the chromium residue slurry with 30 to 45 baume degrees, wherein the reducing agent 1 is sodium sulphide, sodium bisulfide, sodium thiosulfate or sodium pyrosulfite. The process has simpleness, thorough detoxification, no chromium return phenomenon and easy implementation of mass production; and the process prolongs effective reduction reaction time, improves reaction efficiency, saves the using amount of acid during the acid-leaching reduction, and has low processing cost because Cr6+ in the chromium residue is subjected to two times of dissolution and reduction.
Owner:河南金谷环保工程设备有限公司

Vertical rotary stereo type multi-layer planting greenhouse

The invention discloses a vertical rotary stereo type multi-layer planting greenhouse, which is characterized in that: the two ends of the stereo greenhouse are provided with strut frame structures; the strut frames are fixed by cross beams of which the two ends are connected; each of the strut frames at the two ends is provided with a transmission gear; a cyclic lifting rotary chain is arranged on the transmission gear; a lifting lug is fixed at the proper distance on the chain; the lifting lug is provided with a cross bar on which a shaft sleeve is designed; the shaft sleeve is connected with a zipper rope respectively; the zipper rope is hung with a planting bed; the transmission gear at one end is connected to an electromotor and a transmission device; and an inverted U-shaped bracket is peripherally provided with a light-transmitting layer and a telescopic curtain uncovering body. The invention solves the problems of saving the planting area and increasing the planting area and has the advantages of simple structure, low material consumption, easy popularization and the like; moreover, the invention can adjust the plant of the planting bed to absorb the sunlight heat and adjust the light source device thereof so as to adjust temperature in the greenhouse and effectively prevent general natural disasters, and is applicable to the planting and cultivation of some plants in different regions.
Owner:戴文育

Spraying-type automatic airing washing machine

The invention relates to a spraying-type automatic airing washing machine, belonging to a household electric appliance and relating to an intelligent electronic mechanical technology. The invention provides a washing technology capable of sending cleaned clothes out of the washing machine to air and washing technologies of spraying and vibration. The invention adopts the technical scheme: lifting nuts (84) are respectively mounted at the bottoms of the four outer corners of an inner shell (2), lifting rotating shafts (83) swirl and respectively penetrate through the lifting nuts (84), and the upper end and the lower end of each lifting rotating shaft (83) are respectively fixed in an upper supporting weight (85) and a lower supporting weight (82); a rotating shaft of a lifting motor (8) is connected with the lower end of one lifting rotating shaft (83) to form a lifting system of the washing machine, two side walls of an inner drum (7) are respectively provided with a straight nozzle (146) and a pressed nozzle (147) to form a spraying system, and the top of the inner shell (2) is respectively downwards provided with a first-level electric motor (11), a second-level electric motor (134), a rotary motor (125) and a vibration arm (132) to form a washing transmission system. The invention has the advantages of saving energy, preventing clothes from being damaged, and the like.
Owner:吴小国
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