38results about How to "Won't cure" patented technology

The invention relates to a reversible emulsifier and a preparation method thereof, and an environment-friendly reversible emulsifying drilling liquid and application. The reversible emulsifier is prepared from the following raw materials: initial raw materials: C10-C20 alkyl primary amine, C10-C20 alkyl sulfonic acid, perfluorooctane sulfonate and chloroacetic acid; additives: isopropanol, peregal O-15, and peregal O-8. The environment-friendly reversible emulsifying drilling liquid is prepared by the following steps of stirring an oil phase, the reversible emulsifier and a water phase at high speed, adding alcohols with carbon number less than 4, straight-chain alcohols with carbon number of 8 to 14, quaternary ammonium salt-modified organobentonite, humic acid filtrate loss reducer, calcium oxide and choline chloride, and then adding weighing material, so as to reach the required density of the drilling liquid. The invention also provides a phase transfer method of the reversible emulsifying drilling liquid. The phase transfer method has the advantages that according to production requirements, the phases of the drilling liquid can be conveniently transferred, and the drilling liquid is stable under the two states of W/O (water/oil), and O/W (oil/water), and can be repeatedly used.

The invention discloses a treatment method for casing channeling and casing leakage of an oil and gas production well. The treatment method comprises the following steps that S1, a first plugging agent, a second plugging agent and a third plugging agent are configured correspondingly; S2, clear water is injected into a casing to measure the water absorbing index, and the using quantity of the plugging agents is predicted preliminarily according to the water absorbing capacity of a stratum; S3, a casing gate is closed, an oil well pipe string or a polished wellbore are trapped in, the first plugging agent and the second plugging agent are extruded and injected into the casing successively, and after injecting is completed, still standing is conducted for four hours; S4, the third plugging agent is injected into the casing, then the clear water is injected into the casing so as to jack the third plugging agent to the leakage point of the casing, and a reserved mortar face is located on the leakage point of the casing; S5, the well is shut down for waiting on cement setting for 72 hours; and S6, after the process of waiting on cement setting is completed, an unloading well opening adopts the pipe string to detect a mortar plugged face, and then plug drilling is conducted. According to the treatment method for casing channeling and casing leakage of the oil and gas production well,the one-time success rate for treatment of casing channeling and casing leakage caused by damage of the oil and gas production well, especially the shallow casing, reaches 90% or above, the types andthe using quantity of treatment agents are less, and the cost is reduced.

The invention discloses a transparent roller for laser imprinting. The transparent roller comprises a roller body, a roller hub and a roller shaft. The roller body comprises a quartz glass transparent roller and a plastic transparent roller which is arranged on the quartz glass transparent roller in a sleeved mode and is not in contact with the quartz glass transparent roller. The quartz glass transparent roller and the plastic transparent roller are driven in a synchronous mode through a servo motor. The transparent roller is provided with at least one mother set with an engraved laser pattern. The transparent roller further comprises a shading layer which is arranged above the plastic transparent roller. A light transmitting pattern of the shading layer is matched with the laser pattern of the mother set. Correspondingly, the invention discloses a laser imprinting device used for the transparent roller. Point-to-point location special set pattern imprinting transferring can be achieved, the fringing phenomenon of four sides of a transferred pattern is removed, imprinting transferring pattern accuracy is improved, and pattern surface quality is improved.

The invention discloses a high-stability injection molding machine for plastic shoes. The injection molding machine comprises a feeding hole, electromagnets, sliding rods, magnets, a screening basketand screening holes, wherein the electromagnets are mounted on the inner wall in the feeding hole, the sliding rods are mounted at the top ends of the electromagnets and are externally sleeved with the magnets, a screening screen is fixedly mounted on one sides of the magnets through buckles, and the screening holes are formed in the bottom end and bottom of the screening screen. The injection molding machine is scientific and reasonable in structure and safe and convenient to use; by arranging the electromagnets, the sliding rods, the magnets, the screening basket and the screening holes, alternating current in the electromagnets is continuously changed so as to change the magnetism of the electromagnets constantly, the to-and-fro shaking of the screening basket is effectively realized through the cooperation with the magnets, and the automatic screening of the raw materials in the feeding process can be realized through the cooperation with the screening holes, so that the raw material screening time is saved, the working efficiency of the injection molding machine is improved, and the injection molding quality of the injection molding machine is improved.

The invention discloses a liquid silica gel cold-runner mould, and relates to the technical field of silica gel mould manufacturing. The liquid silica gel cold-runner mould is provided with mould cores; each mould core comprises a concave mould plate, a stripper plate and a convex mould plate which are arranged in a stacked manner; exhaust holes are formed in the parts, corresponding to the ends of material flows of cavities, of the concave mould plates; the ends of the exhaust holes communicate with a vacuum pump; sealing rings are arranged between the concave mould plates and the stripper plates; and the cavities and the exhaust holes are positioned in sealing areas enclosed by the sealing rings. The sealing rings are arranged in the mould cores, so that the cavities are positioned in sealed environments; and the cavities communicate with the exhaust holes, after the liquid silica gel cold-runner mould is closed, the cavities are rapidly vacuumized by the vacuum pump, and a rubber material is injected after the vacuum degree reaches a rated degree, so that the situation that the quality defects such as hungry joint and the like of silica gel products are caused since a serious air entrapment phenomenon occurs is avoided.

The invention relates to the fields of nano material force and heat property researches and MEMS (Micro-electromechanical Systems) micro/nano film device experiments and tests, in particular to a temperature field simulation device with a substrate micro/nano film. In order to scientifically and reasonably simulate a temperature field of an MEMS micro/nano film device in a working environment and provide a new method for heating a film substrate structure test piece, the invention adopts the technical scheme that the a temperature field simulation device with a substrate micro/nano film comprises a clamp, a heat conductive adhesive, a foil-type resistor used as a heating source, a thermoelectric couple used for measuring the temperature of the test piece and a temperature controller for controlling the foil type resistor according to the output of the thermoelectric couple; the front surface, the back surface and the lower surface of the test piece are set to be heating surfaces, the left surface and the right surface are set to be clamping surfaces of the clamp, and the top surface is set to be a film plating surface; the clamp is made of metal; the foil type resistor forms an electric heating piece; the heat conductive adhesive is coated on the electric heating piece; and the front surface, the back surface and the lower surface of the test piece are pasted on the electric heating piece through the heat conductive adhesive. The invention is mainly applied to the force and heat property researches of nano materials.

Disclosed is a pipe joint for connecting pipes in order to form a pipeline such as a water supply pipeline and a sewerage pipeline, and more particularly to a cast-iron pipe joint in which the inner and outer surfaces thereof are coated with a polyethylene resin. The present invention relates to a cast-iron pipe joint such as L bends, T branches, Y branches, an increaser connecting pipes of different diameters, for connecting pipes in order to form a pipeline. The inner and outer surfaces of the cast-iron pipe joint are coated with a polyethylene resin through a preprocessing process, a heating process, a coating process, and a cooling process. In the coating process, air is blown through a filtering net from the lower side of a coating tank containing polyethylene resin powder, in order to float the polyethylene resin powder. The heated cast-iron pipe joint is introduced into the coating tank, and is rotated so that the polyethylene resin is adhered to the pipe joint. Thereafter, the pipe joint is cooled in cooling water to contract the coating film and gloss the surfaces of the pipe joint.

The invention discloses an office chair. The office chair comprises a back structure, wherein the lower end of the back structure is rotatably connected with an adjusting structure; the rear end of the back structure and the rear end of the adjusting structure are both communicated with a cold and hot structure; a second armrest component (11) further comprises a communicating pipe (30) and an auxiliary heater (31); the auxiliary heater (31) is mounted at the bottom of the inner end of an armrest frame (13), and the upper end of the auxiliary heater (31) is communicated with the communicating pipe (30); a first armrest component is fixedly connected to one side of the upper end of the adjusting structure; a pedal structure is rotationally connected to the front end of the adjusting structure; and a displacement structure is rotationally connected to the bottom end of the back structure and the bottom end of the adjusting structure. According to the office chair, through the arrangement of the cold and hot structures, the purpose of cold and hot treatment of the inner end is achieved.

A rubber crawler running mainly on a damp ground and capable of eliminating the production of mud balls passed through the engagement holes thereof with the teeth of sprockets and reducing vibration, comprising an endless rubber elastic body, cores buried therein at specified pitches in the longitudinal direction, steel cords surrounding the cores from the outside, the engagement parts thereof with the sprockets formed between the cores, and lugs formed on the outer peripheral surface of the endless rubber elastic body. The engagement parts thereof with the sprockets are characterized by bottomed recesses formed therein. The lugs are desirably formed on the outsides of the bottomed recesses.

The invention discloses a variable-frequency pump wax injection system comprising a wax storage groove, a work groove, a variable-frequency pump and a clamp groove. The wax storage groove conveys liquid wax into the work groove through a work pipeline by means of a pump. The variable-frequency pump is arranged in the work groove and connected with one end of a wax injection pipeline. The other endof the wax injection pipeline is connected with a wax injection spray nozzle. The wax injection spray nozzle is fixed to a wax injection clamp. The wax injection clamp is arranged in the clamp groove. The variable-frequency pump wax injection system has the beneficial effects that the variable-frequency pump providing different flows of liquid wax for each cavity area is arranged in the work groove, and flow control can be achieved through control over the rotation speed of the variable-frequency pump. The variable-frequency pump adopting different rotation speeds for different injection points enables cavities of different volumes to achieve the full wax state at the same time, so that the wax loss can be reduced, the number of follow-up processing steps can be reduced, and operation andadjustment are convenient.

The invention discloses a food material starching method of a cooker, the cooker and a computer storage medium. The cooker comprises a pot body, a stirring device and a driving device, wherein an inner container and a heating device are arranged in the pot body; and the driving device drives the stirring device to rotate. The starching method comprises the following steps: S101, adding a to-be-starched food material and a starch raw material; S102, controlling the heating device to stop heating, and driving the stirring device to carry out bidirectional stirring on the food material between afirst rotation direction and a second rotation direction; and S103, stopping the bidirectional stirring, and controlling the heating device to heat the food material, thereby finishing the starching,wherein the first rotation direction and the second rotation direction are opposite. According to the cooking method, automatic starching can be realized, so that automation is realized.