40results about How to "Process setting is reasonable" patented technology

The present invention is ultrasonic process of preparing theasaponin and belongs to the field of agricultural side product processing technology. The technological scheme is that tea seed cake residue after extracting oil is processed through crushing, mixing with organic solvent, ultrasonic leaching, separating, recovering solvent, ultrafiltering to purify and to obtain theasaponin concentrate, decolorizing and drying to obtain theasaponin product. The present invention has the beneficial effects of physical extraction process caused high theasaponin extracting rate, high product purity and quality, simple technological process with low power consumption and low production cost, less pollution, etc.

The invention discloses a method for processing a percolate membrane treatment concentrated solution of a refuse landfill. The method comprises steps of adding an alkali into the percolate membrane treatment concentrated solution of a refuse landfill, and reacting to obtain a mixed liquor containing precipitate; micro-filtering the mixed liquor to obtain a first permeating liquor and a closure liquor; press-filtering for dehydrating the closure liquor through a plate frame so as to obtain a second permeating liquor and mud cakes, returning the second permeating liquor to the alkali adding step for recycling, and solidifying the mud cakes; adding an acid into the first permeating liquor, regulating the pH to be 6-9, and then concentrating the first permeating liquor through reverse osmosis to obtain a third permeating liquor and a concentrated liquor; discharging the third permeating liquor directly, and drying and solidifying the concentrated liquor. The method is simple, can improve the recovery rate of the percolate membrane treatment concentrated solution, and reduces damage to the reverse osmosis membranes; the quality of the effluent is stable and reaches the standard.

The invention relates to a method in producing functional active constituent contained in natto. Said method for effective continuous production of functional active constituent in natto is characterized by consisting of steps as follows: 1) fermenting : take weighted bean to be immersed, sterilizing at high temperature and receive natto bacterial strain to be put in the incubator at constant temperature of 35-40deg.C to ferment and cultivate for 20-24 hours; 2) grinding ;3)leaching: adopting means of mixing or ultrasonic; 4) centrifugal separation : the fermented liquid that has been processed by ultrasonic to be cooled for the centrifugal, after said centrifugal the clear liquid to be filtered through filter of 0.22-0.45mum and get extracting solution of functional active constituent from natto; 5)ultrafiltration: to ultrafiltrate said extracting solution and get different component such as natto kinase, poly glutamic acid and natto peptide; 6) drying: to get said product after been ultrafiltrated and through spray drying .

An efficient precision machining process for a showing stand comprises the following steps that (1) correction is conducted, specifically, a showing stand blank is measured through a height gauge, and the showing stand blank which does not meet the requirement is corrected through a tool; (2) a reference surface is milled, specifically, the reference surface of the showing stand blank is milled by adopting precision machining equipment, the precision machining equipment comprises a rack, a bottom plate, gantry stand columns, a gantry cross beam, a main shaft mechanism and an ultrasonic vibration machining mechanism; (3) a vertical machining center is used for machining; (4) drilling is conducted; (5) correction is conducted; and (6) surface treatment is conducted, specifically, the surface of the corrected showing stand blank is sprayed, and the showing stand is obtained. The efficient precision machining process for the showing stand is reasonable in process setting, simple, controllable, high in flexibility and machining efficiency, high in machining precision, capable of being used for large-scale production, good in economical efficiency and wide in application prospect.

The invention provides a low temperature removal method for COS with a relatively high concentration in gas. The low temperature removal method mainly comprises the following steps: process gas is maintained or heated to 30-80 DEG C and is introduced into hydrolysis desulfuration towers to be treated; the hydrolysis desulfuration towers are filled with a COS hydrolysis agent and an H2S oxidation desulfuration agent in a stacking or laminating manner; the H2S oxidation desulfuration agent can be subjected to sulfur-blowing thermal regeneration at 200-300 DEG C, and the performance of the COS hydrolysis agent is less or barely reduced after a thermal regeneration process; two or more hydrolysis desulfuration towers are arranged, can be connected in series or parallel for use and comprise vertical heating sleeves, and hydrolysis agent-desulfuration agent bed layers are arranged among the sleeves; and captured elemental sulfur is melted, gasified and blown out by the hydrolysis desulfuration towers during the thermal regeneration at 200-300 DEG C and is collected as sulfur by virtue of a regeneration condenser. The low temperature removal method has the beneficial effects that the desulfuration process is simple and reliable, the COS removal rate is easily maintained above 90% or even above 95%, the control is easy, the elasticity of processing quantity is high, and the method has strong adaptability to the degrees and fluctuation of contents of H2S and COS, and is safe and environment-friendly and low in operation cost.

The invention relates to THF rectification equipment for PBT production, which includes a first rectification column, a second rectification column, a third rectification column and a fourth rectification column. The first rectification column is connected to a THF wastewater device. A top outlet of the first rectification column is connected to the middle upper part of the second rectification column. A gas phase outlet of the second rectification column is connected to an auxiliary reboiler shell inlet of the third rectification column. An auxiliary reboiler shell outlet of the third rectification column is connected to a recovery liquid tank and the middle upper part of the fourth rectification column in order. A side-draw outlet of the fourth rectification column is connected to a reflux tank of the first column through a side-draw pump, and a bottom product of the fourth rectification column is combined with the product of the first rectification column and then conveyed to a sewage treatment system. The bottom of the second rectification column is connected to the third rectification column through a pipeline, a heavy component is discharged from the bottom of the third rectification column and a THF product is produced from the column top. The equipment can effectively improve the THF yield, reduce energy consumption and effectively save the operation cost.

The two stage fermentation technology of citric acid using whole wheat flour as raw material is characterized in that whole wheat flour is directly mixed with water in wt. ratio of 1:5-1:8 to prepare paste, raise temp. to 85 deg.c, adding high temp. amylase, raising paste temp. to 90 deg.C until completely liquified; quick filtration to obtain liquified liquid, fill liquified liquid into fermentation tank, heat and sterilized, than quickly lower temp. to 35 deg.C, inocculate first stage culture into fermentation tank and ferment until fermentation is complete. Advantages include: simple and ratioal technology, low cost on raw material, equipment and energy consumption, can raise saccharification rate of row material and fermentation conversion rate etc.

The invention discloses a method for treating wastewater from a comprehensive disposal center for hazardous waste. The method comprises the following steps: 1) classified collection and treatment according to different qualities; 2) oxidative decomplexation; 3) reduction of heavy metals; 4) two-stage precipitation; 5) hydrolysis acidification and A/O contact oxidation; and 6) Fenton oxidation andcoagulation sedimentation, thereby allowing effluent to reach the standard. The method of the invention realizes the maximal harmless treatment of the wastewater from the comprehensive disposal centerfor hazardous waste, has the advantages of strong adaptability, high reliability, small land occupation, economical rationality, etc., and is a good way for realizing efficient and low-carbon treatment and stable standard-reaching discharge of wastewater in the comprehensive disposal center for hazardous waste.

The invention discloses a production process of a dot wrapped yarn. A driving way with combination of a stepping motor and a synchronous belt is adopted, a computer automatic control system is added, and the effects of freely adjusting the process and obtaining the wrapped yarn with any preset patterns are achieved by controlling the rotating speed of a hollow spindle and the speed of a roller. A traditional production process of a wrapped yarn is changed, the structure of the yarn is changed, the layering sense of the appearance effect of the yarn can be increased while the yield is ensured, and the effects of gradual change, multiple changes and dot forms are achieved.

The invention relates to a heat treatment process of an electric power pole. The heat treatment process comprises the following steps of carrying out acid pickling and phosphating, water washing, grinding treatment, first heat treatment, first cooling, secondary heat treatment and secondary cooling on the electric power pole. The heat treatment process is reasonable in process, rigorous in parameter setting and high in product quality.

The invention provides a high-water-resistance epoxy sealant. The high-water-resistance epoxy sealant comprises a component A and a component B, the component A comprises the following raw materials in parts by mass: 88 parts of epoxy resin, 8 parts of a diluent, 0.02 part of a defoaming agent and 6 parts of a thixotropic agent; the component B comprises the following raw materials in parts by mass: 18 parts of a modified alicyclic amine curing agent, 17 parts of aliphatic amine, 37 parts of a diluent, 0.02 part of a defoaming agent, 7 parts of a thixotropic agent and 1-2 parts of a dispersing agent; the mass ratio of the component A to the component B is 1: (1-1.19). After the scheme is adopted, intelligent automatic production is effectively realized, the process setting is reasonable, the use effect is good, and the production speed is high.

The invention relates to a formula and a production process of a traditional Chinese medicine preparation for treating acne, and belongs to the technical field of traditional Chinese medicines. 10-300 parts of honeysuckle, 10-300 parts of angelica sinensis, 15-150 parts of ligusticum wallichii, 15-150 parts of divaricate saposhnikovia root, 10-100 parts of schizonepeta, 10-150 parts of fructus forsythiae, 10-100 parts of cape jasmine, 10-100 parts of coptis chinensis, 10-150 parts of scutellaria baicalensis, 10-100 parts of mint, 10-150 parts of radix angelicae, 15-300 parts of platycodon grandiflorum, 3-60 parts of fructus aurantii, 3-15 parts of licorice and 3-12 parts of rhubarb. The traditional Chinese medicine composition is derived from a Gansu red-eared folk Chinese herbal medicine medical clinical proved recipe, and long-term clinical treatment observation proves that the curative effect is exact. The traditional decoction medicine is developed into the granular preparation convenient to carry and take according to the modern medicine preparation theory, the quality standard is formulated, the modern medicine approval requirement is met, and the traditional Chinese medicine composition can be clinically applied and popularized.

The invention relates to an improved galvanization process for a power pole. The improved galvanization process for the electric pole comprises the following steps of (1) carrying out acid pickling and phosphating on the power pole; (2) firing the power pole; (3) polishing the power pole; (4) soaking the power pole in a plating assistant agent; (5) carrying out hot galvanizing on the power pole; (6) carrying out air blowing on the galvanized power pole; (7) putting the power pole subjected to air blowing into a clear water cooling pool for cooling; (8) passivating the cooled power pole; and (9) carrying out anti-friction treatment on the passivated power pole by using an anti-friction treatment agent. According to the the improved galvanization process for the electric pole provided by theinvention, the process is reasonable, the manufacturing cost is low, the product quality is high, and the friction coefficient is effectively increased.

The invention provides a low-cost water-resistant epoxy sealant. The low-cost water-resistant epoxy sealant comprises a component A and a component B, the component A comprises the following raw materials in parts by mass: 90-95 parts of epoxy resin, 8-12 parts of a diluent, 0.01-0.03 part of a defoaming agent and 3-9 parts of a thixotropic agent; the component B comprises the following raw materials in parts by mass: 10-16 parts of a modified alicyclic amine curing agent, 15-20 parts of aliphatic amine, 35-42 parts of a diluent, 0.01-0.03 part of a defoaming agent, 3-8 parts of a thixotropic agent, 1-3 parts of a dispersing agent and 2-5 parts of an accelerant; the mass ratio of the component A to the component B is 1: (1-1.16). After the scheme is adopted, intelligent automatic production is effectively realized, the process setting is reasonable, the use effect is good, and the production speed is high.