78results about How to "Unique process method" patented technology

The invention provides a casting method of a turbine housing. The casting method includes the following steps of firstly, core manufacturing, secondly, core assembly, thirdly, shell core baking, fourthly, smelting and refining, fifthly, mold preparation, sixthly, casting and seventhly cutting and cleaning. In the core manufacturing process, a riser sand core mold is arranged on a core shooting machine, the core shooting machine is powered on to heat the mold, a layer of precoated sand is cured on a cavity of the riser sand core mold, and a riser sand core is obtained after mold opening. In the core assembly process, the riser sand core and a turbine housing core are assembled and bonded. In the shell core baking process, shell cores painted with coatings are put into a baking kiln. In the smelting and refining process, raw materials are added to a melting and heat preservation furnace, and the melting and heat preservation furnace is powered on for melting. In the casting process, the shell cores are put in a mold, and tilt casting is conducted after mold combination. In the cutting and cleaning process, a casting is cut, the riser is cast, and burrs and fins of the casting are ground and cleaned. The metal tilt casting method of an aluminum alloy turbine housing body can solves the problems of shrinkage porosities and cavities and slag holes in a big flange face of the aluminum alloy turbine housing; open risers and blind risers are arranged, in combination with the riser sand core, an ideal temperature field is formed after the casting is cast, and solidification can be conducted from the casting to the risers in sequence.

The invention relates to a production technology of furan resin, in particular to a production technology of furan resin used for casting steel. The technology comprises the following steps of: closing an outlet valve at the bottom of the reactor, opening a feed valve, starting a mixer, adding certain content of paraformaldehyde, urea and furfuryl alcohol, adding certain content of basic catalyst to adjust the PH value of the seasoning liquid; heating up to 80-100 DEG C, insulating for 60-80 minutes; stopping the insulation, opening cooling water and cooling down to 60-90 DEG C, adding 50% of the total amount of furfuryl alcohol; adding certain amount of acid catalyst to adjust the PH value of the seasoning liquid to 3-5 when the temperature drops to 60 DEG C; heating up to 85-100 DEG C, insulating for 50-70 minutes; adding the 25% of the total amount of furfuryl alcohol, adding certain amount of silane coupling agent ammonia and methanol; and continuing to stir for 30 minutes after discharging and submitting for censorship. The invention provides a method of using imported paraformaldehyde and urea to produce urea-formaldehyde glue on the basis of traditional resin technology instead of using aqueous solution of formaldehyde. The production technology provided by the invention has the advantages of needlessness of dehydration in the post-synthetic phase, production cycle reducing, cost saving and environmental protection.

The invention relates to an anti-deformation casting method, in particular to an anti-deformation method for casting a vane of an ultra-large mixed flow type water turbine, which comprises the steps of mould manufacturing, molding, mould assembling, pouring, sand falling, cleaning and heat treatment. The method is characterized in that: the manufactured mould adopts a steel-wood mesh-shaped frame as aggregate which is filled with resin; a support is manufactured according to a molded line; a three-box T-type assembling, real pattern molding, flat building and vertical casting, combined sand boxes and resin self-hardening sand are adopted; facing sand adopts chromite sand; the inside of the molding sand is provided with a framework of steel reinforcement; the heat treatment adopts a vertical type charging method and uses a U-shaped supporting frock; and a dead head is cut and provided with a leveled dead head neck; the direction of the dead head neck is downward for supporting the vane; and two sides of the dead head neck are provided with a clamp for ensuring the vertical direction of the vane. The process method is unique, reduces the machining amount, reduces the ratio of gross and weight, shortens production period, reduces the cost, and solves the problems of deformation in vane production and manufacturing, and fat head and big ears caused by overlarge vane machining amount.

The present invention provides a lycium ruthenicum murr. vinegar fermentation method, and two lycium ruthenicum murr. vinegar drink preparation methods. The lycium ruthenicum murr. vinegar takes fresh lycium ruthenicum murr. as the raw material, and is obtained by the selection of raw materials, juicing, low-temperature alcoholic fermentation, acetic acid fermentation, ageing, filtration, sterilization and other process procedures. The resulting lycium ruthenicum murr. vinegar is blended to obtain a lycium ruthenicum murr. vinegar drink. Anthocyanin, organic acids, vitamins, VC and other active ingredients, especially anthocyanin contained in the lycium ruthenicum murr. are maximally preserved by the high acid environment of the lycium ruthenicum murr. vinegar and the vinegar drinks. Therefore, the lycium ruthenicum murr. vinegar is superior to table vinegar taking grain as raw materials, has a sweet and sour taste and pure flavor, is sour, cool and soft, nutrient-rich and high-quality, and has the efficiency of invigorating stomach, promoting digestion, tonifying, protecting health and the like.

The invention relates to a modeling method, in particular to a modeling method of a large-size ring-structure casting, which is characterized in that the method comprises the following steps: mould manufacturing, modeling, unpacking and packing. The method improves the prior independent modeling scheme of rings, greatly improves the production efficiency, and enhances the strength of a mould, and the cost for manufacturing, modeling and smelting the mould is greatly reduced.

The invention relates to a machining method of threads, in particular to the machining method of coarse pitch threads. The machining method comprises the following steps of building a right-angle trapezoidal thread finish machining outline and rough machining outline mathematical models; designing cutter paths according to the physical dimension of a designed non-standard cutter; building a numerical control macroprogram by applying the rough machining outline and cutter path mathematical models, selecting appropriate cutting parameters according to tool nose fillet radius R0.8 and combining with actual machining equipment and building a numerical control macroprogram by applying thread right-angle side finish machining outline and cutter path mathematical models, mathematical models right-angle sides by repeatedly feeding, and adopting sample plate and feeler gauge detection until required accuracy is achieved; and adjusting numerical control macroprogram contents, using the sample plate and feeler gauge to detect in a matched mode and completing machining of right-angle trapezoidal thread slope side according to machining results. The machining method is unique in process method, capable of effectively guaranteeing thread accuracy of forms and positions and surface smoothness, improving processing efficiency and shortening machining period.

The invention relates to a reparation method of an aluminum busbar, in particular to an in-situ spraying reparation method of a horizontal aluminum busbar in an electrolytic plant. The method comprises firstly checking conditions of the busbar, performing leveling processing on the surface of the busbar, then performing preprocessing on the surface of the busbar to enable the preprocessed matrix surface to reach Sa 2.5-3.0 grade and to expose uniform metal natural color, performing rough processing on the surface of the busbar to enable roughness or riveting line depth of the surface to reach 40-80mu m, utilizing the electric arc spraying technology to spray a base layer and a working layer on the surface of the damaged busbar, finally utilizing a movable suspension milling cutter to mill the coating surface, and performing clean and smooth processing to complete the reparation of the horizontal aluminum busbar. The method can be achieved in the electrolytic plant, can effectively avoid interference of a strong magnetic field, reduces labor strength, has less consumption of labor and materials and simple and fast operation, can repair surface defects of the horizontal busbar serving as the upper structure of an aluminum cell, and can reproduce a repairing layer with excellent abrasion performance.

The invention relates to a method for preparing activated carbon, in particular to the method for preparing the activated carbon used for flue gas demercuration. The method is characterized by comprising the following steps of: preparing feed coal, and performing anoxybiotic dry distillation, milling, stirring while adding coal tar, extrusion molding, carbonization, activation, milling and dipping on the feed coal to obtain finished products. The method for preparing the activated carbon used for the flue gas demercuration has the advantages of unique process, high technical indexes of produced products and wide application range.

The invention relates to a cooling water pipe processing method on a machine-tool guide rail, in particular to a method for imbedding and casting a cooling water pipe on the machine-tool guide rail. The invention is characterized by including steps of preparation of imbedding pipes and clippers, modeling, core producing, assemble molding, casting, cleaning up and packaging; the invention provides an unique and simple technical method that realizes to process and fabricate the cooling water pipes in the machine-tool guide rail by the imbedding and casting method.

The invention relates to a health-care beverage, in particular to a method for processing a Chinese wolfberry health-care beverage. The method is characterized by comprising the following steps of: 1) performing raw material screening, cleaning, draining, crushing, juicing, coarse filtration, micro filtration, ultra-filtration concentration and pasteurization on Chinese wolfberry to obtain Chinese wolfberry concentrated juice; 2) performing picking, cleaning, draining, crushing, juicing, coarse filtration, micro filtration, ultra-filtration concentration and pasteurization on mulberry to obtain mulberry concentrated juice; and 3) performing proportioning, homogenization, nano refining, pasteurization, sterile filling, inspection, packing, labeling, coding and warehouse-in on the Chinese wolfberry concentrated juice and the mulberry concentrated juice. The unique method produces the Chinese wolfberry health-care beverage with effects of improving the immunity of the human body, enhancing bones, tonifying kidney, strengthening spirit, relieving fatigue, promoting longevity and the like, good mouthfeel, long quality guarantee period and no any additive.

The invention relates to a medlar bee pollen product, in particular to a medlar bee pollen tablet, which is characterized in that medlar bee pollen freeze dry powder, starch and microcrystalline cellulose are mixed according to the weight part ratio being 1:(0.5-5):(0.5-5) and are sequentially subjected to granulation, drying and tabletting. The invention provides the medlar bee pollen tablet with the advantages that the raw material manufacture method is unique, the effects of resisting the fatigue, lowering the blood pressure, relieving and preventing prostatitis, maintaining beauty and nourishing the skin are realized, the taking is convenient, the activity of functional ingredients is maintained, the oxidative deterioration of products cannot easily occur, the reconstitution property is good, and the medlar bee pollen tablet is applicable to people with kidney deficiency and weakness, people with aching and limp waist and feet, hyperlipidemia patients, women with abdominal pain caused by blood stasis, gaunt people and dystrophia people.

The invention relates to a molding method of a large casting, in particular to a sand-core molding method of an ultra-large sand core structural casting. The method comprises the following steps of: coding a sand core; manufacturing the sand core; manufacturing a core box; coremaking; and setting the core. The process method provided by the invention is unique, can avoid partial or large-area size inconsistence of the casting, partial poor shape and hole shrinkage caused by the damaged sand core in the traditional process of making, conveying and setting an ultra-large sand core in a complicated structure and can ensure the product quality and shorten the production period.

The invention relates to a forced cooling method for a wind power cast, in particular to a forced cooling method for a wind power cast. The method comprises the following steps of manufacturing a heat exchanger, when producing a sand core, embedding core iron into casting san, and placing the heat exchanger into an inner cavity of the sand core; embedding a ceramic pipe communicated with the heat exchanger into the central position of the end face of a core head of the sand core during modeling, and enabling the ceramic pipe to be connected with the outside of a sand box; when the box is closed, after placing the sand core into a cavity, connecting the core iron of the sand core and the ceramic pipe embedded in the cavity through the ceramic pipe, and filling the core sand into the rear portion of the heat exchanger; after the box is closed, communicating the ceramic pipe and a compressed air port through a flexible hose; and during pouring, when iron liquid of the cavity is full, feeding gas into the heat exchanger. The forced cooling method for the wind power cast is unique in process, the cast is cooled through air blowing by utilizing the heat exchanger, heat dissipation of the sand core of the inner cavity is accelerated, iron liquid crusting is accelerated while vibration ramming is utilized to enable the inside of the cast to be compact, and the requirements for flaw detection can be met.

The invention relates to a casting method of a thick-wall casting, in particular to a method of casting the thick-wall casting through sand insulation cold iron. The method sequentially comprises mould manufacturing, modeling, core manufacturing, mould assembling, pouring and falling sand cleaning. The method is characterized in that the sand insulation cold iron is placed on a thermal center portion, namely the thick portion of the casting before modeling, a boss of the sand insulation cold iron is used for fixation, and the boss of the sand insulation cold iron is placed close to a casting format of the casting. After the sand insulation cold iron is placed, quicksand is conducted, comprehensive tiny compaction of moulding sand is conducted through a vibration ramming platform, the mould is opened after being placed for two hours, and after mould assembling, iron liquid after nodulizing inoculation is poured into the mould. The method is unique in technique, can guarantee quality of the casting, shortens the production period, improves production efficiency, and saves production cost. The method not only saves the production cost, but also reduces casting surface cleaning work and work intensity.

The invention relates to a health-care beverage and a preparation method thereof, and particularly relates to a wolfberry flower and wolfberry leaf health-care beverage, and a preparation method thereof. The method comprises the steps of collecting raw materials; washing; extracting; protecting color; enzymolyzing; blending; homogenizing; degassing and sterilizing. By adding an antioxidant and a biological enzyme, the preparation method successfully overcomes the problems of easily oxidative browning and precipitation of the wolfberry flowers and wolfberry leaves during a storage period; and by adopting scientific proportions and preparation steps, nutritional ingredients are extracted sufficiently while retaining color and fragrance of fresh flowers and tender leaves. The wolfberry flower and wolfberry leaf health-care beverage has the effects of prolonging ageing, improving eyesight and clearing liver.

The invention relates to a regional blind-hole material taking method, in particular to a regional blind-hole material taking method for a solid. The method comprises the following steps: firstly, annularly drilling a test rod within a stated region by using a core taking drill bit, wherein the drilling depth is equal to the depth of the test rod to be taken out; secondly, drilling blind holes on the two sides of the justly annularly drilled test rod respectively, wherein the drilling depth is equal to the depth of the test rod to be taken out; and finally, knocking above the blind holes back and forth, and taking out the test rod. The regional blind-hole material taking method for the solid is unique; the blind-hole material taking problem of a cast iron component is solved; in the material taking process, the safety coefficient is high and the material taking efficiency is high; and the test rod can be taken out under the condition that the solid within the stated region is not destroyed.

The invention discloses a composition having function of enhancing learning and memory abilities and a preparation method of same. The composition is prepared from, by weight, 10-30 parts of silkworm chrysalis, 2-10 parts of acorus gramineus, 2-10 parts of polygala tenuifolia, 1-5 parts of ginseng, 1-5 parts of schisandra chinensis, 1-5 parts of fructus alpiniae oxyphyllae, 1-5 parts of herba cistanche and 1-5 parts of semen cuscutae. The composition can effectively enhance learning and memory abilities, is a representative health care product of resisting senility and oxidization and enhancing immunity, and is especially suitable for elder learning and memory ability deterioration patients.