95results about How to "Disperse quickly and evenly" patented technology

A device for applying a cleaning or polishing solution to a surface and wiping the solution over the surface includes a rotatable valve that allows for the dispensing of the solution through either a nozzle that sprays the solution in front of a disposable sponge-like pad secured to the device, or directly into the pad for application to the surface by the pad. The device also includes a rearward opening that releasably receives a container of the solution to be dispensed from the device. When the container is empty, the container is removed and replaced in order to allow the device to be used in a generally continuous manner for cleaning and polishing the surface. The disposable pad connected to the device may also include a cleaning surface capable of picking up dust, dirt and other debris in addition to applying the polishing and cleaning solutions to the surface.

The invention relates to a preparation method of high viscosity cationic starch, which comprises the technological steps of: 1) using the mixture of an alkaline catalyst and an inhibitor to adjust the pH of starch slurry to be 10swung dash12; 2) heating and adding the mixture of an alkaline activating agent and a cationic etherifying agent, and stopping heating until the temperature reaches 40 DEG C; 3) using the mixture of the alkaline catalyst and the inhibitor to adjust the pH of the starch slurry to be 11swung dash12, keeping heating until the temperature of the starch slurry reaches 49swung dash50 DEG C, and etherifying for 1swung dash5h; 4) adding an alkaline cross-linking agent, and reacting for 1swung dash6h; and 5) dehydrating the starch slurry, obtaining green starch, adding an acidulant, mixing uniformly, acidizing the starch for 0.5swung dash2h at 50swung dash100 DEG C, and after cooling, smashing and screening, obtaining a product. The product has high paste viscosity, high acid and alkaline-resistant stabilities, and can be applied in the fields of paper making, mineral separation, oil fields, adhesives, waste water treatment and the like.

The present invention provided the manufacturing method of an organic compound particulate which utilizes a poor solvent depositing method of a continuous system and can quickly and uniformly disperse an organic compound solution in quantities of a poor solvent and which can more easily manufacture the organic compound particulate of <=1 [mu]m volume average grain size. In the manufacturing method of the organic compound particulate, an organic compound solution obtained by dissolving the organic compound in a good solvent which is miscible with the poor solvent and easily dissolves the organic compound is continuously mixed with the poor solvent which hardly dissolves the organic compound to manufacture the organic compound particulate. The organic compound solution is mixed with the poor solvent under ultrasonic irradiation.

The invention discloses a feeding process for preparing vinyl chloride and acrylate copolymer resin by bulk method, which consists of firstly adding part of vinyl chloride monomer to form a prepolymer, mixing the prepolymer with the remaining amount of vinyl chloride and performing the process in the three stages The remaining initiators are added successively to make the copolymerization reaction proceed in an orderly and controllable state, the reaction heat of the system is easy to remove, the reaction temperature is easy to control, and at the same time, the vinyl chloride and acrylic acid monomers can be quickly dispersed Uniformity, better avoid self-polymerization of monomer compounds, realize multiple orderly polymerization of vinyl chloride and acrylate monomers, and this method has low investment, simple and easy to control process, and improves the preparation of vinyl chloride and acrylate block copolymers by bulk method Possibility of industrial application of the process. The invention also provides a device capable of realizing the process, which can continuously feed materials without power and static pressure, smoothly realize continuous quantitative feeding of materials in the pressure vessel, and ensure the orderly progress of multi-component copolymerization.

The invention provides glasses cleaning liquid. The glasses cleaning liquid mainly comprises, by mass, 3-30 parts of surfactants, 1-20 parts of solvents, 0.01-0.1 part of preservative, 0.01-1 part ofchelating agent and the balance of deionized water. The glasses cleaning liquid has the advantages of convenience in use, safety, environment protection and capability of effectively removing stains of lenses and keeping the lenses clean.

A horizontal novel centrifugal concentrator comprises a frame (8), an outer cover (1), a rotating drum (2), a variable frequency reducing motor (4) connected with the rotating shaft of the rotating drum through a coupler (3), a flushing system (5) arranged in the outer cover and connected with an external water supply system, an ore distributor system (6) below the outer cover, an ore receiving bucket (7) below the outer cover, a feeding system (9) arranged outside the outer cover and communicated with the rotating drum, wherein the rotating drum comprises the rotating shaft, a horn-shaped rotating disc and a circular truncated cone-shaped rotary drum; the rotating shaft is sleeved with the rotating disc; the rotating disc is sleeved with the rotary drum; the large end surface of the rotary drum is connected with the outer edge of the rotating disc; the tilt angle of the opening in the internal face of the rotary drum is 2-6 degrees; the flushing system comprises a water inlet pipe with a pneumatic ball valve and flushing nozzles in the rotary drum; the ore distributor system comprises a cylinder, an oscillating shaft, a connecting arm and an ore distribution hopper; one end of the connecting arm is connected with the push rod of the cylinder and the other end of the connecting arm is connected with the oscillating shaft; a lifting arm at the top of the ore distribution hopper is connected with the oscillating shaft; the feeding system comprises an ore distribution box and at least two feeding nozzles; a pneumatic knife gate valve is arranged at the ore inlet of the ore distribution box; the feeding nozzles are mounted at the tail ends of feeding pipes of the ore distribution box and face to the internal face of the rotary drum. The horizontal type novel centrifugal concentrator has a simple structure and a good concentration effect, and is easy to control and maintain.

The invention relates to a square battery shell, a square battery adopting the same, a battery pack and an automobile. The square battery shell is characterized in that a flat sealing cavity is formed in at least one shell surface of the square battery shell, no interface thermal resistance exists between at least one cavity wall of the sealing cavity and the shell connected with the cavity wall, a liquid absorption core is arranged in the sealing cavity, and the sealing cavity is vacuum and is filled with a phase change heat transfer working medium. The sealing cavity enables any local heat on the shell surface where the sealing cavity is located to be quickly and uniformly dispersed to the periphery, and heat exchange of quick heat dissipation and quick heat absorption with the external environment can be carried out only by contacting the surface of the sealing cavity, any area of the shell surface where the sealing cavity is located or an adjacent area with the external environment, thus the technical problems that the energy density of the battery pack is obviously reduced, the assembly cost is increased and the reliability is reduced due to the fact that a refrigerant pipeline needs to be arranged on the battery shell and the battery shell is connected with an external refrigerant system through a connector in order to achieve rapid heat management of the battery in the battery pack composed of batteries manufactured through an existing battery shell are solved.

The nanometer microcrystal cellulose powder is surface modified nanometer microcrystal cellulose with added hydrophilic colloid in the amount of 5-150 wt% of nanometer microcrystal cellulose and has grain size of 6.3-100 nanometers. During its preparation, hydrophilic colloid is dispersed homogeneously into water dispersed medium of surface modified nanometer microcrystal cellulose and the mixture is then dried and crushed. The nanometer microcrystal cellulose is easy to be water dispersed to form colloid, which is homogeneous and high in gluing strength and has the small size of microcrystal cellulose maintained, so that it has wide and unique application foreground in food production, medicine, papermaking, textile, new material preparation and other fields.

The present invention provides a method of preparing polymethylene-polyphenyl-polyamine (briefly referred to as polyamine, DAM), in which a high gravity rotating bed is used as the mixing reactor of formaldehyde and aniline hydrochloride, the mixing solution of aniline hydrochloride and circulation solution and the formaldehyde are fed into the high gravity rotating bed reactor proportionally to carry out mixing and condensation reaction under a condition of a very high gravity; the materials leaving the high gravity rotating bed reactor is introduced into a stirred vessel to proceed with the pre-condensation reaction and obtain a condensation solution; and the process steps of heating, molecular rearrangement, neutralization, water washing and purification, etc. are completed to obtain the refined DAM. With the method according to the present invention, the main by-products is obviously reduced in the condensation process, the phenomenon of deposit attaching to the inner walls of circulation pipes and heat exchanger and blockage are prevented in the condensation process, the impurity content is low in the refined DAM, and the subsequent product MDI has a lighter color, the product quality is stable and may be improved to a certain extent.

The invention belongs to the technical field of rail traffic, particularly relates to an auxiliary device for paving of Qinghai and Tibet Plateau railway. In order to solve the problem that leveling can be performed for an area section with frozen earth often after shoveling needs to be performed firstly, and then filling is needed, and the operation is very tedious, the auxiliary device is characterized by comprising a frozen earth layer, a broken earth layer, a press roller and two square pipe crossbeams, wherein rectangular holes are respectively formed in positions, close to the front sections, on the opposite sides of the two square pipe crossbeams; two channel steel crossbeams of which the openings are opposite and which are mutual in parallel are welded between the two rectangular holes; the same rectangular sliding block is in slip connection between the two channel steel crossbeams; a driving tank which adopts a barrel-shaped structure is embedded in the middle of the rectangular sliding block. According to the auxiliary device disclosed by the invention, a drilling head can be enabled to slowly decline to be in contact with the surface of the frozen earth layer, and whenthe sharp end of the drilling head encounters a hard substance, the whole auxiliary device has a space for buffering upwards, so that a motor shaft is protected; a buffer spring is arranged, so that vibration of a driving motor can be converted into rhythmical downward impact force of the drilling head, so that the frozen earth layer is slowly broken.