37results about How to "Improve the ability of continuous production" patented technology

Provided is a polyamide compound which is free from an environmental problem caused by an antimony compound and from a problem in a production process caused by the generation of a gas, which is a main cause of a mold deposit particularly in the case of the combination use with a flame-retardant containing bromine, and is excellent in flame-retardancy, toughness and melt fluidity, and also exhibits good heat resistance and good color stability in a reflow soldering step being required in the surface mounting, and thus is suitable for electric and electronic parts. A flame-retardant polyamide composition, characterized in that it comprises 10 to 80 mass % of a polyamide (A), 5 to 40 mass % of a flame retardant (B), 0.5 to 10 mass % of zinc borate and at least one other salt of zinc (C), 0 to 60 mass % of an inorganic reinforcing material (D) and 0 to 5 mass % of a drip preventing agent (E).

The invention relates to a wire harness terminal press forming processing device and a forming processing technology. The device comprises an installation base, a forming device and a pressing device.The wire harness terminal press forming processing device can solve the following problems of wire harness terminal production devices on the market at present: firstly, during terminal production, raw materials are cut or pressed and shaped, the materials which are cut or pressed and shaped are processed into molded terminals, and two wire harness terminal production devices are used separatelyin the two steps, so that the production process is cumbersome, the device structure is complex and the cost is increased; and secondly, when the wire harness terminal production devices on the marketat present are used for cutting or pressing and shaping the raw materials, shapes of the terminals are easily deformed by pressing, and errors in subsequent production are caused to affect productionquality of the terminals. The device provided by the invention integrates production, improves production continuity and working efficiency, ensures that the processed shapes of the terminals are noteasily deformed due to errors, and the product quality is improved.

The invention discloses a continuous reaction device for benzoic acid hydrogenation and a method thereof. The molten benzoic acid is contacted and reacted with hydrogen under the action of Pd / C catalyst and Ru / C assistant to generate cyclohexylcarboxylic acid, and mixed after the reaction The liquid is first deposited in the buffer tank, so that most of the Pd / C catalyst and Ru / C additives are separated from the mixed liquid and directly recycled to the reaction tank for reuse; then the mixed liquid overflows from the top and enters the carbon rod filter after the buffer tank is full. After further separation, the separated turbid liquid containing high concentration of Pd / C catalyst and Ru / C auxiliary is circulated back to the raw material tank system; and the clear liquid of the carbon rod filter shell layer directly enters the next production process. The device does not discharge catalyst, and does not need to add fresh catalyst frequently, so it can save the cost of catalyst in the continuous preparation process, reduce the processing cost of benzoic acid hydrogenation reaction, improve the catalytic hydrogenation activity of Pd / C catalyst, and increase the production of the device. ability.

The invention relates to the technical field of preparation of o-dibromobenzene, and particularly relates to a method of synthesizing o-dibromobenzene by diazotization in one step at high temperature. The method comprises the following steps: sequentially adding hydrobromic acid, cuprous oxide and bromaniline into a reactor with a stirrer, a condenser and a thermometer; heating to over 80 DEG C; maintaining the temperature within 80-100 DEG C; dropping aqueous solution of sodium nitrite under liquid level; after dropping, distilling with steam to obtain the product, and separating out the oil layer; washing once by thermonatrite; after washing once, distilling under reduced pressure to obtain a product. According to the preparation method of o-dibromobenzene provided by the invention, diazotization and decomposition reaction are carried out by using a one-step method, so that the energy consumption and investment on freezing equipment are greatly reduced, and the product is stable in yield, and yield fluctuation caused by refrigeration of a two-step method is avoided. The continuous production capacity is greatly improved, the quality of the product is consistent with that of the two-step method, the yield is slightly higher, the preparation process is simple, convenient and feasible, the product is good in quality, and the technical demand is low, so that the method is a method suitable for industrialized production.

The invention discloses an enclosure system for a firework assembly machine, which comprises a firework combination positioning frame with a width adjusting device. Two lateral plates of the firework combination positioning frame are provided with lead inserting openings, two positioning frames are arranged on two sides of the firework combination positioning frame, and at least one of the positioning frames is provided with a bilateral linear moving device. Two punching lead-inserting mechanisms capable of vertically linearly moving are disposed on the two positioning frames respectively, device positions of the punching lead-inserting mechanisms correspond to the lead inserting openings, and a vertically-moving driving device is arranged on each punching lead-inserting mechanism. Enclosure can be automatically completed by means of the system, production efficiency is improved greatly, and production cost is reduced. The enclosure system is adaptable to changes of firework tube specifications, equipment continuous production performance is improved, and equipment regulation and maintenance workload can be greatly reduced.

The invention relates to the field of rotary kilns for producing lime, in particular to a self-centering friction drive lime rotary kiln. The self-centering friction drive lime rotary kiln comprises a driving riding wheel set, a driven riding wheel set, a kiln body and rolling rings. The driving riding wheel set and the driven riding wheel set are arranged below the kiln body, wherein the driving riding wheel set is matched with the rolling ring on the feed side of the kiln body. The self-centering friction drive lime rotary kiln is characterized in that the driven riding wheel set comprises two riding wheel devices which are the same in structure and are symmetrically arranged, the opposite sides of the two riding wheel devices are hinged to the two ends of a central base plate respectively, a hinge beam is arranged below the bottom portions of the other sides of the two riding wheel devices, and an elastic rubber pad is arranged between the riding wheel devices and the hinge beam; when the driven riding wheel set makes contact with the other rolling ring, the central base plate is in a floating state. Compared with the prior art, the self-centering friction drive lime rotary kiln has the advantages that the centerlines of the riding wheel sets and the axes of the rolling rings of the kiln body are automatically centered, excessive abrasion to riding wheels and the rolling rings is avoided, the service life of the riding wheels and the service life of the rolling rings are prolonged, and maintenance cost, operation cost and investment cost of the kiln body are reduced.

The invention discloses a new cycling process for preparing iminodiacetic acid from iminodiacetic acid disodium salt by a freezing crystallization method. The method is characterized by comprising the following steps: taking the iminodiacetic acid disodium salt as a starting raw material; adding water and stirring to decolorize and dissolve the iminodiacetic acid disodium salt; adding concentrated sulfuric acid dropwise to control pH at 1.8-2.1; centrifuging to obtain the iminodiacetic acid; adding an alkaline matter to acid pregnant liquor until the pH equals 4-7; separating Na2SO4.10H2O out by crystallization at the temperature of 5-10 DEG C; performing vacuum filtration, and recycling the filtrate to continuously prepare the iminodiacetic acid (IDA), wherein, content and desalination rate of the IDA are above 98%, and the yield is about 97%. The pregnant liquor is not discarded in the production process and the whole process can have a plurality of cycles, thus improving production efficiency and utilization rate of the raw material, and avoiding environmental pollution.

The invention belongs to the technical field of flue gas and waste gas purification and treatment, and in particular relates to a treatment process for copper-containing waste recycling and utilization of flue gas purification, comprising the following steps: flue gas purification in a drying process; Acid + jet activated carbon + bag dust removal + induced draft fan + chimney"; flue gas purification in roasting process: flue gas purification process route is "gravity sedimentation + slaked lime dry deacidification + bag dust removal + induced draft fan + RTO + SCR denitration synergistic catalyst to remove two Oxygen + GGH plate heat exchanger + limestone-gypsum wet deacidification + booster fan + chimney"; smelting process flue gas purification: flue gas purification process route is "gravity sedimentation + surface cooling + slaked lime dry deacidification + cloth bag Dust removal + induced draft fan + RTO + catalyst reaction tower for dioxin removal + limestone-gypsum wet deacidification + booster fan + chimney"; the process of the invention achieves the purpose of reforming safety, environmental protection, energy saving and emission reduction, and has the advantages of improving the local ecological environment. important meaning.

The invention provides a thermoplastic spacer coating robot for hollow glass production, which includes a rotary table, a power supply, a frame, a driving mechanism, a mounting seat, a glue pump, an extrusion pipe and an extrusion nozzle. A prismatic compression pipe is arranged between the nozzles, and the extrusion nozzle includes two oppositely arranged splints. Between the splints, an ejection adjustment mechanism for controlling the diameter of the splint is arranged. There is a tracking and pressing mechanism on one side of the mounting seat, a glue flow device is arranged between the extrusion pipe and the glue pump, and a glue storage cavity is arranged inside the mounting seat, and the glue storage cavity is movably provided with a rotary connected to it. Glue mechanism. The device can extrude thermoplastic spacers with high connection quality through the use of an ejection adjustment mechanism and a splint. Coupled with the design of the tracking and pressing mechanism and the rotary gluing mechanism, the device has a high continuous production capacity. Reasonable design, suitable for large-scale promotion.

The object of the present invention is to provide a release film in which the oligomer precipitation from the film surfaces constituting the release film in the respective film processing steps such as an adhesive-applying step of, drying step and sticking step is reduced as possible and it can be attained to improve the continuous production of film. The above object is attained by a release film comprising: a polyester film, coating layers which is formed on both surfaces of said polyester film and comprises a polymer containing ammonium base, a polymer containing polyethylene glycol and a crosslinking agent, and at least one release layer formed on at least one surface of said coating layers.

The invention discloses a forming system of a firework assembling machine, which comprises a machine frame. Material receiving linear optical shafts, a screw rod and a screw rod driving device are arranged on the machine frame in the vertical direction, and a horizontally-arranged material receiving plate is fixedly connected with a linear optical shaft sliding sleeves and a screw rod moving sleeve. Two sides of the material receiving plate are provided with positioning forming frames with an adjustable interval. A material pressing rod parallel to the material receiving plate is arranged above the material receiving plate, and one end of the material pressing rod is fixedly connected with a lifting rod. The lower end of the lifting rod is correspondingly provided with a driving linear lifting device. The forming system connects and stacks a plurality of firework barrels with glued tops on the material receiving plate in a one-by-one mode, exerts pressure to enable the firework barrels to be bonded in a block mode and finishes the work that multiple rows of firework barrels are combined into a block-shaped whole. The forming system is stable in material receiving, reliable in work and accurate in stroke, continuous production performance of a device is improved, and debugging and maintenance work amount of the device is greatly decreased.

This application relates to a kind of centering machine that is convenient for taking materials, which includes a machine tool and a clamping mechanism, the clamping mechanism is provided on the machine tool for clamping workpieces, and also includes a material receiving mechanism, a material feeding mechanism and a material receiving mechanism, The material receiving mechanism includes a material receiving plate and a first driving member. The top of the machine tool is provided with a material receiving port matching the material receiving plate at the clamping mechanism, and the first driving member can drive the The material receiving tray moves up and down along the material receiving port, and a discharge port is provided on one side of the machine tool. When the material receiving plate is located below the material receiving port, the feeding mechanism is used to move the material receiving plate The workpieces are transported to the discharge port, and the receiving mechanism is used to collect the workpieces at the discharge port. The application has the effect of facilitating workers to take out processed workpieces, improving the continuity of workpiece processing, and further improving production efficiency.