75results about How to "Avoid uneven concentration" patented technology

The invention relates to the technical field of biology, particularly a microalgae culture reactor capable of setting different concentration CO2 culture environments, which comprises a culture box, an ultraviolet lamp tube, a gas inlet pipe and a gas outlet pipe, wherein the box body of the culture box is a transparent box body; the lower side of the front end of culture box is provided with a gas inlet; the upper side of the back end of the culture box is provided with a gas outlet; the gas inlet pipe and gas outlet pipe respectively connected with the gas inlet and gas outlet of the culture box are respectively provided with a gas flowmeter and a valve; a CO2 gas analyzer for detecting carbon dioxide concentration at the gas inlet and gas outlet is arranged outside the culture box; the gas inlet and gas outlet of the culture box are respectively provided with a gas filter unit; and a humidification system is arranged in the culture box. A plurality of culture box can be arranged in parallel. By setting different concentration CO2 culture environments to screen the wild type microalgae or corresponding mutants, the complete reactor is simple in structure and convenient to operate.

The invention discloses a rotary wing type unmanned aerial vehicle for spraying pesticides. The rotary wing type unmanned aerial vehicle comprises a main body and a spraying rack body arranged at the bottom of the main body, wherein a pesticide storage cavity is formed in the spraying rack body; stirring blades are arranged on the inner bottom wall of the pesticide storage cavity; the bottoms of the stirring blades are in fit connection with a motor which is embedded in the inner bottom wall of the pesticide storage cavity and is fixedly connected with the inner bottom wall of the pesticide storage cavity; a transmission cavity is formed in the position, below the pesticide storage cavity, in the spraying rack body; guide grooves are symmetrically formed in the left and right sides of the inner bottom wall of the transmission cavity; guide blocks are arranged in the guide grooves; a first supporting plate and a second supporting plate which are symmetrically arranged up and down are arranged in the middle in the transmission cavity; the first supporting plate and the second supporting plate extend to the front and back sides; a rotating shaft which extends up and down is arranged in the middle position between the first supporting plate and the second supporting plate; and an extension section of the top of the rotating shaft penetrates through the end face of the top of the first supporting plate and is in rotational fit connection with the end face of the top of the first supporting plate. According to the rotary wing type unmanned aerial vehicle, the structure is simple, automatic disassembly and assembly can be achieved, later maintenance and carrying are facilitated, the service life is prolonged, the pesticide spraying covering area is increased, and pesticide concentration is uniform.

The invention discloses a disinfection spraying device in a shed for poultry breeding. The device comprises a circular barrel, mounting frames, spray heads and a bottom plate, wherein the mounting frames are fixedly mounted at the top of the bottom plate through bolts, a sliding groove is formed in the inner side of each mounting frame, a sliding block is slidably connected in each sliding groove,and the spray heads are arranged on one sides of the sliding blocks; and a liquid collecting groove is fixedly connected to the central position of the top of the bottom plate, annular tracks are fixedly connected to the upper end of the inner wall of the liquid collecting groove, pulleys matched with the annular tracks are oppositely arranged in the annular tracks, and the circular barrel is fixedly connected between the two pulleys through mounting blocks. Through the ingenious design of the structure, on one hand, the situation of uneven concentration caused by bottom solution sedimentation can be effectively avoided; and on the other hand, when the circular barrel rotates, the spray heads on two sides can be driven to move up and down, therefore the spraying range is greatly improved,the working efficiency is improved at the same time, and the energy utilization rate is high.

The invention discloses an unmanned aerial vehicle pesticide spraying device allowing quick demounting. The pesticide spraying device includes a device body consisting of an upper body and a lower body; a rotor wing assembly is arranged on the top of the upper body; a pesticide storage chamber is formed in the lower body; a stirring shaft extending longitudinally is arranged in the pesticide storage chamber; inserting members are symmetrically arranged on a left side and right side of a top end surface of the lower body; a first motor is arranged in the upper body; the bottom of the first motor is connected to a transmission; the bottom of the transmission is connected to a first rotation shaft which passes through a bottom end surface of the upper body and is rotatably connected; inserting grooves opposite to the inserting members are formed in a top end surface of the upper body at the left side and the right side of the first rotation shaft; locking sliding grooves are formed in side walls at opposite sides of the two inserting grooves; and one side away from the inserting groove, of each locking sliding groove has a first sliding chamber extending backward. The unmanned aerialpesticide spraying device is simple in structure, is easy to demount and maintain, can prolong the service life of an unmanned aerial vehicle, can achieve automatic constant speed stirring, can improve the spraying efficiency, and can evenly spray crops with the pesticide.

A purpose of the present invention is to provide an air disinfection gasification method and an air disinfection gasification apparatus. The method comprises: placing chlorine dioxide matrix tablets and a proper amount of water into a plurality of sequentially-communicated closed reaction pools; carrying out aeration on the first reaction pool by using an aeration pump; adopting the mixed gas comprising the chlorine dioxide gas generated in the previous reaction pool and a small amount of chlorine gas as the aeration gas, and introducing the aeration gas into the communicated subsequent reaction pool; and in the last reaction pool, obtaining the high-purity chlorine dioxide disinfection gas. With the method and the apparatus of the present invention, the high-concentration air disinfection gas can be generates, the disinfection efficiency is high, and the concentration of the chlorine dioxide gas released into the air is uniform.

The invention discloses an unmanned aerial vehicle for pesticide spraying. The unmanned aerial vehicle includes a main body, and a spraying frame arranged on the bottom of the main body; a pesticide storage chamber is arranged in the spraying frame; a stirring impeller is arranged on an inner bottom wall of the pesticide storage chamber; the bottom of the stirring impeller is in matching connection with a motor which is embedded in and is fixedly connected to the inner bottom wall of the pesticide storage chamber; a transmission chamber is arranged in the spraying frame under the pesticide storage chamber; guide grooves are symmetrically formed in the left side and the right side of an inner bottom wall of the transmission chamber; a guide block is arranged in each guide groove; a first supporting plate and a second supporting plate which are vertically symmetrical to each other are arranged on the internal center of the transmission chamber, and the first supporting plate and the second supporting plate extend forward and backward; a rotation shaft extending vertically is arranged on the center between the first supporting plate and the second supporting plate; and a top extensionsection of the rotation shaft passes through a top end surface of the first supporting plate and is rotatably connected. The unmanned aerial vehicle is simple in structure, can achieve automatic demounting, can facilitate later maintenance and carrying, can prolong the service life, can enlarge the coverage area of pesticide spraying, and can allow the even concentration of the pesticide.

The invention relates to image forming devices such as a copier, a printer, a fax machine and a plotter, a charging unit used in the image forming devices and a manufacturing method for the charging unit, a processing cartridge and a setting method for charge gap. A charging roller 14 comprises a metal core 101 as a conductive support, a charging layer 102 made of conductive resin material, sheet-like gap holding component 103 provided between two ends of the charging layer 102. The gap holding component 103 is connected with a photosensitive layer 5b out of an image region 5a of a photoreceptor 5. Average value of the charging gaps when environmental temperature is 10 DEG C, 20 DEG C or 30 DEG C are respectively set as G10, G20, G30, satisfying the following condition: |G30-G10| X 5 is less than G20. Even in the event that a measurement device and a regulation device for the charging gaps are not provided, environmental variation of the charging gaps can still be reduced to realize high durability at low cost.

The invention discloses an improved pesticide spraying vehicle for agricultural use. The pesticide spraying vehicle comprises a moving vehicle body and a pesticide spraying mechanism arranged on the top of the moving vehicle body. A first boss is arranged on the top of the left end face of the pesticide spraying mechanism, a second boss is arranged at the bottom of the right end face of the pesticide spraying mechanism, a first pesticide delivery tube extending vertically is fixedly arranged in the first boss, and the top end face of the first boss is provided with a pesticide spraying tube the bottom of which is fixedly connected with the top extending tail end of the first pesticide delivery tube. A protective sleeve slidingly sleeves the pesticide spraying tube, the top of the pesticidespraying mechanism is provided with a pesticide storage box, a pesticide storage box is internally provided with a pesticide storage chamber, and the pesticide storage box below the bottom of the pesticide storage chamber is internally provided with a guiding groove extending to the left side. A stirring shaft extending upward and downward is arranged in the pesticide storage chamber, and the topextending tail end of the stirring shaft is rotatably and cooperatively connected with the inner top wall of the pesticide storage chamber. The pesticide spraying vehicle has a simple structure, is easy to operate and can automatically control the open and close work of the pesticide spraying tube and the protective sleeve, the service life is prolonged, automatic matching connection can be achieved to complete the mixing work, and the prevention and treatment effect is improved.

The invention relates to a method for continuously producing diamond wires. The method comprises two processes of diamond pre-plating and electroplating and thickening of a nickel layer, wherein a pre-plating device is a mixture coating of thin nickel and diamond on the surface of steel wire by using a liquid droplet formed by the diamond and nickel electroplating solution ejected from a nozzle, and the electroplating and thickening of the nickel layer is to thicken the nickel layer to further wrap the diamond and increase the adhesion of the diamond. The two electroplating processes are connected, and diamond wire with uniform coating for diamond wire saw can be continuously produced. Equipment produced by the method is simple, and the operation is simple and convenient. The required electrolyte quality is less, and the remaining nickel-containing waste liquid is less, the production cost of diamond wire is reduced and the environment is maintained well.

The invention discloses an unmanned aerial vehicle pesticide spraying device allowing quick demounting. The pesticide spraying device includes a device body consisting of an upper body and a lower body; a rotor wing assembly is arranged on the top of the upper body; a pesticide storage chamber is formed in the lower body; a stirring shaft extending longitudinally is arranged in the pesticide storage chamber; inserting members are symmetrically arranged on a left side and right side of a top end surface of the lower body; a first motor is arranged in the upper body; the bottom of the first motor is connected to a transmission; the bottom of the transmission is connected to a first rotation shaft which passes through a bottom end surface of the upper body and is rotatably connected; inserting grooves opposite to the inserting members are formed in a top end surface of the upper body at the left side and the right side of the first rotation shaft; locking sliding grooves are formed in side walls at opposite sides of the two inserting grooves; and one side away from the inserting groove, of each locking sliding groove has a first sliding chamber extending backward. The unmanned aerialpesticide spraying device is simple in structure, is easy to demount and maintain, can prolong the service life of an unmanned aerial vehicle, can achieve automatic constant speed stirring, can improve the spraying efficiency, and can evenly spray crops with the pesticide.

The invention discloses an airborne fire rescue bomb, and relates to the field of aviation emergency rescue. The airborne fire rescue bomb comprises a shell, a hanging frame, a control panel, a pluggable fuse and a central blasting explosive column; the control panel is electrically connected with the pluggable fuse and used for sending a trigger signal to the delay fuse through the pluggable fuse, and the delay fuse is arranged in the central blasting explosive column; the control panel and the pluggable fuse are arranged on the shell, a movable insulating strip is arranged in the pluggable fuse, one end of the movable insulating strip is connected with an aircraft, and the insulating strip is used for controlling the working state of the pluggable fuse; the central blasting explosive column is arranged on a center shaft of the shell, and the shell is evenly filled with a fire extinguishing agent around the central blasting explosive column; and the hanger is fixed on the shell, the rescue bomb is arranged on the aircraft through the hanger, and the hanger and the pluggable fuse are located on the same axis.

The invention discloses equipment for preparing a laser plant spore non-oxidation wall-breaking material, and belongs to the technical field of laser wall breaking. The equipment comprises a first-stage material barrel, a first-stage material barrel, a connecting pipe and a pump; the first-stage material barrel and the second-stage material barrel are connected through the connecting pipe, and the pump is installed on the connecting pipe; a spore feeding hopper, a water inlet pipe, a first exhaust hole and a first material output pipe are arranged on the first-stage material barrel, a material inlet pipe, a second exhaust hole and a second material output pipe are arranged on the second-stage material barrel, a first stirring mechanism is arranged in the first-stage material barrel and used for stirring materials in the first-stage material barrel, a second stirring mechanism is arranged in the second-stage material barrel and is used for stirring materials in the second-stage material barrel; a heating chamber is arranged at the bottom in the first-stage material barrel, and an electric heating rod is arranged in the heating chamber. According to the method, the efficiency of laser wall breaking of spores can be improved, and the destructive effect of laser on active substances in spores can be greatly reduced.

TAC and additives are mixed in a mixture solvent of dichloromethane, methanol and n-butanol to obtain a dispersion solution. The dispersion solution is heated to become a low concentration dope whose concentration is 19.3 wt. %. The low concentration dope is fed with a pump, and supplied through a flash nozzle to a concentrating apparatus to performing flash evaporation of the solvent in the concentrating apparatus. Thus part of the solvent in the low concentration dope evaporates to obtain a condensed dope. The part of the solvent is condensed on a condensation surface to obtain a condensed solvent. The condensed solvent flows through a pipe out of the concentrating apparatus. The high concentration dope has a solid content of 22.3 wt. %, and drawn through a pump. As the solid content of the high concentration dope is high, a polymer film having the self-supporting property can be easily formed of the high concentration dope in a film production line.

The invention discloses an improved rural sewage treatment apparatus, which comprises a base body and a chlorine feeding device arranged at the top portion of the base body, wherein the top portion ofthe left side surface of the chlorine feeding device is provided with a first projection part, the bottom portion of the right side surface of the chlorine feeding device is provided with a second projection part, a vertically-extending first chlorine conveying pipe is fixedly arranged in the first projection part, the top portion of the first projection part is provided with a chlorine feeding pipe with the bottom portion fixedly connected to the first chlorine conveying pipe top portion extending tail end, the outer surface of the chlorine feeding pipe is slidably provided with an anti-pollution sleeve, the top portion of the chlorine feeding device is provided with a chlorine storage box, a chlorine storage chamber is arranged in the chlorine storage box, a guide groove capable of extending leftward is arranged in the chlorine storage box below the bottom portion of the chlorine storage chamber, a vertically-extending uniform stirring shaft is arranged in the chlorine storage chamber, and the uniform stirring shaft top portion extending tail end and the inner top wall of the chlorine storage chamber form rotary matching connection. According to the present invention, the improved rural sewage treatment apparatus has advantages of simple structure, convenient operation, prolonged service life and improved treatment effect, can automatically control the opening/closing operation of the chlorine feeding pipe and the anti-pollution sleeve, and can achieve the automatic matching connection so as to complete the uniform stirring work.

The invention discloses a neutral salt electrolytic cell which comprises a cell body and a cell cover. Wringing rollers are arranged on the two sides of the cell body, a plurality of protruded portions are arranged on the bottom of the cell body, a plurality of immersing rollers are further arranged in the cell body, and the heights of the immersing rollers are different. Band steel is driven by the wringing rollers to move along the immersing rollers, a plurality of electrode plates are arranged on the two sides of the band steel, and the electrode plates are connected with a power supply. The neutral salt electrolytic cell can deeply clear the surface of the band steel, the surface of the manufactured band steel is smooth and free of impurities, and the band steel with the more excellent surface can be obtained.