52results about How to "Guaranteed production demand" patented technology

The invention discloses a method for breeding allogynogenetic crucian carp fry at a low temperature. The method comprises the following steps of preparing a male and female parent fish dedicated culture pond, selecting and breeding male and female parent fishes, carrying out hasten parturition on the male and female parent fishes, enabling the male and female parent fishes to lay eggs and be fertilized, enabling fertilized eggs to unstick, hatching the fertilized eggs, demolding and breeding the fertilized eggs into small fry, and breeding the small fry into large-size allogynogenetic crucian carp summer flower fry by sending the small fry into the culture pond. According to the method disclosed by the invention, high-quality allogynogenetic crucian carp fry can be bred when the temperature is low in Spring, and the emergence rate and the survival rate of the allogynogenetic crucian carp fry are very high; the production demands of the allogynogenetic crucian carp fry can be ensured, and the economic benefit of an allogynogenetic crucian carp breeding user can be greatly increased; the sustainable development of an allogynogenetic crucian carp breeding industry and the whole ecological benefit, the economic benefit and the social benefit of a fish farming industry can be greatly increased.

This invention provides an aqueous solution of acrylamide that is useful as a starting material for high-quality polyacrylamide. Starting materials for polyacrylamide are an aqueous solution of acrylamide containing a saccharide and an aqueous solution of acrylamide containing a saccharide produced with the use of a biocatalyst having nitrile hydratase activity.

The invention discloses warm-mix asphalt and a production device thereof. The warm-mix asphalt is prepared from 70# matrix asphalt or SBS asphalt, a warm-mix modifier and other additives. A preparation method of the warm-mix asphalt includes the steps that the matrix asphalt is preheated, the modifier is added at the constant temperature of 140 DEG C, and the mixture is stirred at a low speed through a machine to obtain the warm-mix asphalt. The production device of the warm-mix asphalt comprises an asphalt preheating tank, a constant-temperature stirring tank, an asphalt storage tank and a motor control system, wherein the asphalt is preheated and stirred through the asphalt preheating tank and conveyed to the stirring tank at the constant temperature of 140 DEG C through a pressure system, the warm-mix modifier is added, stirring continues till the warm-mix asphalt is obtained, and finally the obtained warm-mix asphalt is conveyed to the asphalt storage tank. The warm-mix asphalt can obviously lower the emission of dust, waste and other pollutants and is low in construction temperature. The asphalt production device is simple in structure and low in cost, meets production requirements and saves energy.

An extra-large vibrating screen with duplex statically indeterminate mesh beam excitation body and plate type combined bearing beam comprises plate type flat and rigid statically indeterminate combined bearing beam (12) arranged in a screen box (1), a plurality of Y-shaped statically indeterminate combined reinforcing beams (5) arranged on the side plates (3) of the screen box alternately, duplex statically indeterminate supporting plates (22) linking a plurality of mesh beams (21) to the statically indeterminate connecting plate (4) and the side plate (3) so as to form a container made of a beam system, the vibration exciters (10) in the statically indeterminate mesh beam unit comprising eight sets of vibration exciters, which are aligned in pair horizontally and linked together through universal couplings (9), and connected to the duplex statically indeterminate mesh beam excitation body (11) to form a highly rigid integral vibrating assembly. The vibrating screen is simple and reliable in structure, can vibrate smoothly, and therefore can be widely used in coal, metallurgical, chemical, and environmental protection industries.

The invention discloses a forming mould for self drilling screws. The forming mould comprises a first body and a second body, the first body is connected with the second body through a connector, a mould cavity is arranged on the second body, and material hardnesss of the first body is less than that of the second body. A first embedding groove is arranged at a first combination end of the first body, a second embedding groove is arranged at a second combination end of the second body, a first clamping portion and a second clamping portion are arranged on the connector, the first clamping portion and the second clamping portion are respectively matched with the first embedding groove and the second embedding groove, and the first clamping portion is connected with the second clamping portion through a center portion. Preferentially, the first embedding groove and the second embedding are respectively arranged on lower middle portions of the first body and the second body. By the aid of the forming mould, deformation of a mosaic structure caused by press mould impact force can be effectively avoided, and the forming mould is not easy to wear under transverse press mould impact force.

The invention relates to a processing method of pine resin and belongs to the field of rosin production. The processing method of pine resin comprises the following steps of: a, dissolving, namely dissolving the pine resin by adopting a dissolving solution, wherein the dissolving solution comprises the following components in percentage by weight: 55-82% of turpentine oil, 17.5-44.5% of water and 0.1-0.5% of oxalic acid; b, clarifying and colating, namely placing the dissolved pine resin liquid in a transition pot to be clarified and then colating to obtain colature; c, acid washing, namely adding the oxalic acid for washing; d, washing, namely adding hot water for washing; e, clarifying and carrying out refined filtration, namely placing the pine resin liquid into the transition pot to be clarified and then carrying out refined filtration; and f, heating and distilling, namely placing the pine resin liquid in a rectifying tower to be subjected to the heating and distilling, so that rosin and turpentine oil finished products are respectively obtained. The processing method of rosin provided by the invention has the beneficial effect that the qualities of the rosin and turpentine oil obtained by processing pine resin are excellent, so that demand of downstream industries is met.

The invention discloses high-viscosity composite modified pitch and a storing and heating device thereof. The storing and heating device of the high-viscosity composite modified pitch is provided with a shell, a heating container and an inner container, a temperature indicator and a control switch of the heating container are installed on the shell, a temperature monitoring device is installed on the inner container, the temperature monitoring device is connected with the temperature indicator through a wire, and the temperature indicator is connected with the control switch. The high-viscosity composite modified pitch is prepared from, by weight, 85 parts of pitch and 15 parts of modified compounds. The prepared composite high-viscosity modified pitch has the advantages of being stable in heat storage and good in high temperature and low temperature performance; a large number of pitch raw materials are stored, preheating treatment is conducted on the pitch raw materials, the temperature of the pitch can be controlled accurately, the production requirement is guaranteed, and the energy is saved.

The invention discloses a steam waste heat recycling device and a control method thereof. The steam waste heat recycling device is characterized by comprising a steam-water converting system, a heating system, a bathing system, a water bath drying system and a low-temperature condensed water recycling system. According to the steam waste heat recycling device, waste heat of steam for production is fully utilized and the low-temperature condensed water is used for production, i.e., the steam supplied to an outside network for production is completely and fully utilized, and thus the production demand is ensured and the waste heat resources of the steam for the production are recycled and are used for heating, bathing and drying the water bath; the condensed water is recycled; and heat resource and water resource are basically and completely utilized without being wasted, so that the operation cost of production and manufacture enterprises is greatly reduced. Various waste heat recycling modes are integrated in one system; and any mode can be switched by opening or closing a pipeline valve or a solenoid valve, so that the selection for use by the production and manufacture enterprises is facilitated.

The invention relates to the technical field of building prefabricated parts, and provides molding equipment for a high-rise building prefabricated wallboard part and a machining method of the parts equipment. The molding equipment for the high-rise building prefabricated wallboard part and the machining method of the parts equipment aim to solve the problems that a large amount of time is consumed and the production efficiency is low due to the fact that disassembly is tedious after the wallboard part is formed due to the fact that an existing prefabricated wallboard part is usually molded inan open groove type mold. The molding equipment for the high-rise building prefabricated wallboard part comprises a structural mold, a cavity mold and a bottom mold which are vertically arranged in parallel in sequence; the structural mold comprises a base II fixed to the ground through bolts, a lifting air cylinder is arranged at the upper end of the base II, and an air cylinder base I which isvertically arranged is arranged at the telescopic end of the lifting air cylinder; and a structural mold base is arranged on the side, close to the cavity mold, of the air cylinder base I through a plurality of pushing air cylinders I, and a structural mold body is detachably arranged on the other side of the structural mold base through screws. The molding equipment for the high-rise building prefabricated wallboard part and the machining method of the parts equipment are particularly suitable for rapid high-quality molding of the high-rise building prefabricated wallboard part, and have highsocial use value and application prospect.

The invention discloses a process technique and a separation plant for continuously preparing styrene-butadiene rubber inhibitor by a separation method. The process comprises the following steps: selecting heavy components of the byproduct of 1,3-butadiene produced by the extraction method as the raw material containing 1,2-butadiene 5 to 12% (wt), washing with water to remove the trace amount ofa residual solvent, removing the heavy component and the light component on the same rectification tower by a common rectification method with side withdrawing, rectifying at a kettle temperature of 55 to 65 DEG C and a sensitive plate temperature of 52 to 62 DEG C, under 0.35 to 0.39 MPa and in an oxygen-free condition; adding a proper amount of polymerization inhibitor, and continuously withdrawing the product containing 1,2-butadiene with an amount equal to or larger than 40%. The method can obviate the problems in the production technology, the safety, the environment protection, etc. resulting from the factors such as the raw material, the catalyst and the byproducts, and also increase the additional value of the 1,3-butadiene byproducts, thereby achieving remarkable economic and social benefits.

MAW-DirectDrives Vertical Models are direct drive propulsion and electrical generating units for transportation vehicles utilizing wheels for motion, which connect onto the inside of wheels actuating rotation and braking electromagnetically while simultaneously utilizing the rotation to generate electricity to feed back into the supply for reducing the vehicle's requirement for operation. Two pancake style direct drive permanent magnets stators are mounted on sturdy metal mounting backs functioning as the unit's stationary outside faces and outer portion of the unit's wheel hub. The vehicle is supported from their rear face. The stators face one another with a two-sided permanent magnets drive-rotor disc between them accomplishing two functions simultaneously. The drive-rotor is connected to the Integrated Drive-plate Assembly's spindle perpendicular. The spindle with its threaded end traverses through each wheel hubs' bearings and unites the unit together with a lock nut. An attached exterior cylindrical housing keeps the unit rigid and parallel.

The invention discloses an internal spraying robot auxiliary tool and a using method thereof. The tool comprises a main body, and further comprises a clamping fastening mechanism and an adsorbing mechanism, wherein the clamping fastening mechanism is arranged on the main body and used for being in tightness clamping fixing with the vehicle body side, and the adsorbing mechanism is used for adsorbing and limiting vehicle doors. The vehicle doors are limited by the tool and prevented from releasing, thus the four doors of a whole vehicle are not released in the operation process in a line body,the tool does not damage an exposed finish paint film, the tool is simple in design, mounting and operation are easy, the tool or the tool structure is high in universality, and the manufacturing costof the tool is minimized.

The invention relates to a far-near combination type mid-and-long-term relaxation network security constraint modeling method. According to the method, firstly, the network security constraint is relaxed, so that the problem of no optimum solution is avoided. Meanwhile, according to practical production requirements, network security profiles are classified according to the importance level, and a security profile of a higher importance level is optimized during the entire optimization period. At the same time, general security profiles are optimized only during the recent optimization process. In this way, the dimensionality of the optimization calculation is greatly reduced, and the optimization time is shortened. At the same time, in combination with the actual production requirements, network security profiles are classified according to the judgment on whether or not to allow the breakthrough. That means, the network security profiles are classified into two types, wherein the breakthrough is allowed for one type of network security profiles and is not allowed for the other type of network security profiles. Different weight coefficients are arranged for the two types of network security profiles respectively. Therefore, the far-near combination type relaxation network security constraint containing weight coefficients is adopted for optimization calculation. As a result, a unit combination optimization scheme that meets the actual production requirements can be quickly obtained. The conditions of long optimization time and no optimum solution can be avoided.

The invention discloses an electronic control module of an electronic detonator. The electronic control module comprises a module encapsulation and injection molding block, a control circuit mainboard, a chip bridge wire terminal and a chip electrolytic capacitor with a connector, wherein the chip electrolytic capacitor with the connector, the module encapsulation and injection molding block, thecontrol circuit mainboard and the chip bridge wire terminal are integrally connected. The invention further discloses a production process method for producing the electronic control module. The manufacturing process is completed through encapsulation, injection molding and makeup. According to the production process method, a backhand-welding capacitor and a backhand-welding leg wire connector are integrally designed into an integrated chip piece, so that a backhand-welding process is avoided, and the whole process is fundamentally optimized; and a specially-designed makeup mode is adopted ineach procedure, the lifting stress effect of a simple support beam can be achieved in the whole process of chip mounting and backhand-welding of the chip electrolytic capacitor with the connector byadopting the makeup mode, therefore, automatic chip mounting is completely realized through a chip mounter, and production efficiency is greatly improved.

The invention discloses a spinning machine tangential belt tensioning guide wheel and a guide wheel machining method thereof, and belongs to the technical field of spinning equipment parts. According to the machining method of the tensioning guide wheel, multiple times of aging treatment is conducted on the spinning tangential belt tensioning guide wheel, and the machining method of tool and tool parameter design is adopted, so that the toughness of the tensioning guide wheel can be improved in the failure treatment process, and the problems that the spinning tangential belt tensioning guide wheel is large in jumping, poor in coaxiality, prone to deformation and the like in the production process are solved; the product quality of the spinning tangential belt tensioning guide wheel is improved, and the production requirement of high-quality yarn is met. According to the tensioning guide wheel, the inner ring sleeve is arranged on the base body of the tensioning guide wheel, and the whole frame body of the tensioning guide wheel is formed between the inner ring sleeve and the base body of the tensioning guide wheel through integral injection molding of the reinforcing ribs, so that the strength and toughness of the tensioning guide wheel are greatly improved, jumping of the tensioning guide wheel can be reduced during conveying of a tangential belt, and the service life of the tensioning guide wheel is prolonged. And the transmission stability of the tensioning belt wheel is improved.

This invention relates to a method for preparing p-xylene and propylene from methanol and / or dimethyl ether. This method comprises coupling two reaction processes, an aromatization reaction of methanol and / or dimethyl ether and an alkylation reaction of ethylene with methanol and / or dimethyl ether. The method of this invention produces p-xylene and propylene with a high selectivity by returning an ethylene-enriched component in reaction byproducts from preparation of p-xylene from methanol and / or dimethyl ether to the reaction system for performing alkylation reaction with methanol and / or dimethyl ether in the presence of catalysts.

The invention provides a spinning winding roller machining technology and belongs to the technical field of spinning equipment parts. The technology comprises the following machining steps that nylonand glass fiber are adopted as raw materials, and are molded in an injection manner through an injection molding machine at the temperature of 245-255 DEG C; a spinning winding roller blank molded inan injection manner is placed for one to two months at the normal temperature; the blank obtained after normal temperature aging treatment is placed into clear water with the temperature between 15 DEG C and 25 DEG C to be subjected to aging treatment in water again, placing time is between 4.5 hours and 5 hours, and elastic deformation of the blank is further reduced; inner hole turning is carried out on the blank obtained after aging treatment in the water, and in the turning process, a first cylinder hole and a through hole are turned and formed at the same time; a tungsten steel reamer isadopted for grinding and penetrating the through hole; the bank formed through primary turning is placed into the water to be treated at the constant temperature; the blank which is placed in the water and machined primarily is taken out, the grinded inner hole serves as a locating basis, double-tip clamping and locating are adopted, and turning of the outer circle periphery face is carried out; and a circumferential rolling depression wheel is adopted for carrying out surface finishing process to form the product.

The invention discloses a positioning mechanism for cutting and processing aluminum profiles. For the cutting and processing of aluminum profiles in the present invention, firstly, a positioning bracket is used to perform initial positioning on the aluminum profiles to determine the equal-section cutting positions of the aluminum profiles. Then, press the upper side of the aluminum profile through the set first positioning platen, and then realize the positioning of the vertical position, and then press the side of the aluminum profile through the second positioning platen set in the auxiliary positioning mechanism. Tight positioning, realize the horizontal positioning requirements of aluminum profiles, and then increase the positioning accuracy, firmness and stability of aluminum profiles during cutting work, make the cutting work of aluminum profiles more smoothly, ensure the cutting quality of aluminum profiles, and then Ensure the actual needs of production work, improve the quality of production work, and ensure the economic benefits of production work.