54results about How to "Effectively take off" patented technology

The invention relates to a device structure used in the fields of liquefied natural gas heating gasification, natural gas heating, dust removal, central air-conditioning systems and the like. A device for guiding airflows to impact the liquid level in a tangential direction for forming moisture-containing airflows is characterized in that a conical spraying opening (4) communicated with a vertical downward airflow air inlet pipe (2) is arranged in a container (3), liquid (6) is arranged under the spraying opening (4), the lower part of an airflow swirl water element (5) in a reverse umbrella shape is soaked in the liquid (6), an airflow outlet (1) is led out on a passage formed between the inner wall of the container (3) and the outer walls of the air inlet pipe (2) and the spraying opening (4), the middle of the airflow swirl water element (5) is an upwards projected pointed top (5a) and then is an arc-shaped curve surface (5c) formed by being upwards bended a little after firstly going downwards to an edge by a curve line shape extending from the pointed top to the edge, and the horizontal projection of the outer ring of the airflow swirl water element (5) has the same shape as the horizontal cross section of the spraying opening (4) and is in a circular shape or a polygon shape. The invention has the advantages of simple structure and no movable component, is applicable to various kinds of strengthened heat transfer, has the functions of dust removal, humidifying purification and the like, and improves the heat efficiency and the dust removing efficiency.

The invention discloses a method for removing arsenic from electronic grade phosphoric acid generated by wet-process phosphoric acid. The method comprises the following steps of: firstly, adding H2S and phosphoric acid in an arsenic-removed reactor and maintaining the reaction temperature at 80 DEG C for stirring; secondly, filtering concentrated liquor from the arsenic-removed reactor through a filter to separate arsenic slag from clear solution; thirdly, after the clear solution is heated to a certain temperature, pumping the heated clear solution into an H2S-removing tower and blowing to remove residual hydrogen sulfide gas in the acid by using an air bubbling and negative-pressure sucking mode; fourthly, enabling the acid subjected to H2S removal to enter a storage groove for later use by a microstrainer and ensuring that the arsenic content of low arsenic acid to reach below 1mu g / g and controlling the granularity to below 5mu m; and fifthly, absorbing H2S gas blown in the arsenic-removed process with Na2CO3, wherein the obtained Na2S solution is used for producing phosphate with low sulfur content requirement. According to the method disclosed by the invention, the arsenic in the phosphoric acid can be effectively removed and the industrial standard is reached.

The invention relates to a pre-treating method for improving the sugar conversion rate of lignocellulose. The pre-treating method comprises the following steps: (1) removing impurities in a lignocellulose raw material, and carrying out air drying, smashing and sieving on the lignocellulose to prepare a cellulose raw material; (2) adding the cellulose raw material into a NaOH solution, uniformly stirring, then sequentially adding in H2O2 and cyanogen amine adopted as an activator, uniformly stirring again to prepare a mixed reaction liquid, and reacting by stirring to prepare the pre-treated lignocellulose. The pre-treating method adopts the method of combining low-concentration NaOH and H2O2 with the activator to treat the cellulose raw material, the pre-treating process is simple and feasible, intractable wastewater is prevented from generating, and the sugar conversion rate of the lignocellulose is remarkably improved.

The invention discloses a novel pichia strain and a method for mixing and culturing the same to biologically detoxify hemicellulose hydrolysate. The novel pichia strain comprises pichia galeiformis CCTCCNO:M 209245 (B-10), pichia occidentalis CCTCC NO:M 209273 (C-4), and pichia kudriavzevii CCTCC NO:M 209274 (D-6) which have degrading activity for 12 known microbial metabolism inhibitors existed in the hemicellulose hydrolysate, has the characteristics of good poison resistance and quick detoxifying process and does not use pentose or pentose alcohol. In the invention, three strains are used for jointly carrying out biological detoxifying fermentation for the hemicellulose hydrolysate, and the xylitol fermentation performance of the treated hydrolysate can reach a fermentation performance achieved by using pure xylose as stroma. The invention has the advantages of environmental protection and cost saving.

The invention discloses a method for inducing a test-tube bulblet of lily. The method disclosed by the invention comprises the following steps of: inoculating the lily bulb as an explant into a differential culture medium; then firstly inducing to generate cluster seedlings, and then carrying out low temperature treatment on the cluster seedlings; inoculating the cluster seedlings into a bulb induction culture medium; inducing the test-tube bulblet; carrying out low temperature treatment at the temperature of 10 DEG C for 14 days; and culturing in a constant temperature culture room, thus being beneficial to expansion of the test-tube bulblet. A robust lily bulblet is induced in a test tube, thus growth time of tissue culture seedling can be beneficially shortened and production cost can be reduced.

The invention provides a preparation method for m-xylylenediamine. In the method, the m-xylylenediamine is converted into isophthalonitrile through ammoxidation; the obtained isophthalonitrile is extracted by using N-alkylpyrazole; after carboxylic acid is removed from extracted isophthalonitrile solution through resin, the isophthalonitrile solution enters a hydrogenation reactor for performing ahydrogenation reaction, to obtain a m-xylylenediamine reaction solution; and finally, the m-xylylenediamine with a high purity (99.9%) is obtained by rectifying and separating. The method has the characteristics of simple reaction flow, low energy consumption, simple operation, high m-xylylenediamine yield, high m-xylylenediamine purity and the like.

The invention provides an extraction and purification method and application of a fermented astragalus polysaccharide. The extraction and purification method of the fermented astragalus polysaccharide comprises the following steps of (1) carrying out warm immersion extraction on fermented astragalus, concentrating an extracting solution by using a membrane intercepting ultrafilter, removing protein through a Sevag method, and carrying out dialysis, alcohol precipitation and washing to obtain a crude fermented astragalus polysaccharide; (2) purifying the fermented astragalus polysaccharide by adopting DEAE Sepharose FastFlow, eluting by using ultrapure water, concentrating and freeze-drying an eluant to obtain a neutral polysaccharide DF-1, eluting by using gradient NaCl, and concentrating, dialyzing, concentrating and freeze-drying the eluant to obtain a weakly acidic polysaccharide; (3) purifying the neutral polysaccharide DF-1 obtained from the step (2) by adopting a Sephacryl S-400 High Reslution preparation chromatographic column, eluting by using ultrapure water, concentrating and freeze-drying the eluant to obtain neutral polysaccharides SF-1 and SF-2. Compared with a crude drug APS, the FAPS (Fermented Astragalus Polysaccharide) extracted by applying the extraction and purification method provided by the invention is outstandingly increased in yield and content.

The invention discloses a Chinese gooseberry stem tip detoxification and rapid propagation method. The method comprises the following steps of 1 material selecting, 2 material disinfecting, 3 stem tip stripping, 4 strain building and virus detecting and 5 rapid propagating. Compared with the prior art, the Chinese gooseberry stem tip detoxification and rapid propagation method has the advantages that viruses carried by plants can be effectively removed, and therefore a large quantity of virus-free plants are cultured; the Chinese gooseberry internode distance can be significantly increased, therefore, the propagation coefficient and the survival rate after transplanting are increased, and the rapid propagation requirement of Chinese gooseberry is greatly met.

The invention discloses a cultured large yellow croaker superhigh pressure degreasing preservation method which comprises the following steps: 1) raw material pretreatment; 2) cleaning; 3) draining: draining at normal temperature or air-drying moisture on the fish body surface; 4) packaging; 5) superhigh pressure treatment; 6) lye rinsing; 7) draining; air-drying rinsed large yellow croaker; and 8) packaging and refrigeration. The method provided by the invention has high degreasing rate, can be adopted to effectively improve local flavor and mouthfeel of large yellow croaker, and is beneficial to raise quality of the cultured large yellow croaker product.

The invention discloses a fired mold shell manufacturing process using a coating transferring method. The manufacturing process particularly comprises the process steps that a release agent is pouredon a cotton gauze, and the release agent is slightly coated to the surface of a wax pattern with the cotton gauze; after the release agent on the surface of the wax pattern forms a film, the wax pattern slowly immerses into transferred coating, slow rotation is carried out until a layer of transferred coating is evenly attached to the surface of the wax pattern, the wax pattern is taken out, and even coating is carried out with a hairbrush; quartz sand is scattered to the surface of the coated wax pattern, the quartz sand is scattered to the surface of the wax pattern after the coating does not drop downwards, and then the wax pattern is soaked into a hardening agent to be hardened; after hardening, the wax pattern is taken out to be subject to air drying, the wax pattern is placed into aboric acid solution to be boiled until the wax pattern in a sand mold shell is completely fused and discharged, the sand mold shell is obtained, then roasting is carried out, and a sand mold die is obtained. According to the fired mold shell manufacturing process, the boric acid solution is adopted for boiling and demolding the sand pattern, quick wax dissolving can be achieved, meanwhile, the dissolving capacity of the transferred coating is weak, and coating anti-falling dissolving while demolding can be achieved.

The invention discloses a landfilled civil sludge curing agent and a deep dehydrating method thereof and belongs to the field of civil sludge treatment. For landfilling the civil sludge, on one hand, a curing agent in a certain proportion is added before landfilling, so that the secondary deep dehydrating treatment difficulty is increased; on the other hand, a complicated biochemical reaction is performed on the landfilled sludge in an anaerobic environment, so that the moisture content is increased, and the sludge components become more complicated. For the characteristics of the landfilled civil sludge, the used curing agent contains carbide slag, sulfate aluminum cement, mineral powder, coal ash and an iron salt which are added by a certain sludge dry base percentage according to an adding sequence and stirring time to condition the sludge, and the dehydrating performance of the sludge is effectively improved, so that the colloidal particles in the sludge are destabilized and flocculated, a lot of water is removed, a basic condition for deep dehydration of the sludge is created, and the water content of a mud cake after dehydration can be reduced to 50-60%. The landfilled civil sludge curing agent disclosed by the invention solves the problem of deep dehydrating of the landfilled civil sludge, and the dehydrated sludge can be used as a resource. The curing agent is easy to obtain and low in cost.

The invention discloses a preparation method of a lotus extractum, which comprises the following steps: 1) leaching fresh lotus and lotus leaf in a weight ratio of 1:(0.1-0.5) in petroleum ether for 24-48 hours, filtering the leaching solution, and taking the filtrate, wherein the petroleum ether is 5-8 times of the total weight of the lotus and lotus leaf; and 2) removing the petroleum ether from the filtrate with a rotary evaporator under reduced pressure to obtain a primary extractum, and carrying out low-temperature sterilization on the primary extractum to obtain the lotus extractum finished product. The petroleum ether used as the leaching agent can sufficiently extract the subtle fragrance component in the lotus petal and lotus leaf; the vacuum distillation for petroleum ether removal by using the rotary evaporator can effectively remove the petroleum ether; the whole preparation process is performed under lower temperature conditions, thereby maximally maintaining the aromatic components; and thus, the prepared lotus extractum is enriched with light subtle fragrance of lotus.

The invention relates to a method for preparing thallus protein extractum from bacterial residue of amino acid fermentation liquor. The method comprises the following steps of: filtering amino acid fermentation liquor with a ceramic membrane, taking a concentrated slurry fungus residue solution, and measuring the protein content by a Kjeldahl determination method; adjusting the pH value of the concentrated slurry fungus residue solution to 7.0-8.5 by using alkali, carrying out high-temperature high-pressure treatment, and adding protease for enzymolysis; after the enzymolysis reaction is finished, preserving heat, adding activated carbon, and performing decolorizing and filtering to obtain a decolorized liquid; and preparing the extractum: concentrating the decolorized liquid under reducedpressure to obtain the thallus protein extractum. The method subjects amino acid fermentation thalli to high-temperature high-pressure wall breaking, enzymolysis, filtration and concentration so as to obtain the extractum with a micromolecule bioactive peptide (namely, oligopeptide) content exceeding 90%, thereby greatly improving the added value, wherein the market price of the thallus crude protein is about 2500 thousand yuan per ton, and the market price of the extractum is about 20-30 thousand yuan per ton.

The invention relates to a method for cooperative treatment of chlor-alkali salty mud in a cement kiln. The method comprises the following steps: (1) granulating dechlorinated salt; and (2) cement kiln cooperative treatment. The method is simple in process, low in treatment energy consumption, low in treatment cost, free of secondary pollution and easy to apply and popularize; chlorine salt, mercury and other heavy metals in the chlor-alkali salty mud are effectively removed; industrial salt can be simply and effectively recovered; the sand granulated dechlorinated salty mud convenient to useis obtained; secondary pollution possibly caused by chlorine salt, heavy metal mercury easy to reduce and volatilize and the like, influence on a kiln system and influence on cement hydration performance are prevented; the granulated, dechlorinated and detoxified salty mud solid particles can be used as an active admixture, or used as a high-quality siliceous raw material and calcareous raw material with clinker seed crystal sintering assistance, or used as a thickening time control agent instead of gypsum, and are cleanly used for cement kiln system cooperative treatment, thereby being beneficial to environmental protection, energy saving and emission reduction.

The invention discloses an attapulgite clay purification and modification process, which relates to the technical field of attapulgite clay purification, and comprises the following steps of: 1, taking and pre-treating materials; 2, performing primary high-temperature gradient roasting activation treatment; 3, pulping, grinding and selecting, and carrying out primary acidizing treatment; 4, carrying out secondary high-temperature gradient calcination activation treatment; 5, carrying out secondary acidification treatment; and 6, carrying out surface active treatment. Compared with the prior art, the purification and modification process disclosed by the invention is more practical and efficient than previous ones, particularly, multiple modification methods are combined for the attapulgitein the local Mingguang city, so that the purity and the adsorption performance of the treated attapulgite clay are greatly improved, and particularly, the attapulgite clay product is applied to the field of adsorbents.

The invention relates to optimization and improvement of a preparation and after-treatment method for alogliptin benzoate. In the Boc deprotection process, alkali extraction and acid precipitation methods are adopted, and impurities which do not contain basic groups are effectively removed on the basis of simplifying the process. Moreover, the solvent and temperature control is optimized in the salifying process, and the product quality and yield are improved.

The invention relates to a vertical sliding compression mechanism in a sliding compression continuous solid-liquid separator. A vertical sliding compression mechanism with good performance is absent at present. The vertical sliding compression mechanism is characterized by comprising a plurality of parallel squeezing units with vertical structures; each squeezing unit comprises a compression block, an upper compression roller, a lower compression roller, a sliding rubber belt and a transmission belt; the sliding rubber belt coats and winds the compression block; the upper compression roller and the lower compression roller are positioned on the upper side and lower side of the compression block; the transmission belt coats and winds the upper compression roller, the sliding rubber belt and the lower compression roller; a gap is formed between two adjacent squeezing units; and the width of the gap is gradually reduced from a gap inlet to a gap outlet. The vertical sliding compression mechanism is reasonable in structural design, small in occupation area and high in solid-liquid separation efficiency, can be applied to dehydration of an adhesive and slippery material, continuously operates, and can effectively improve the overall performance of the sliding compression continuous solid-liquid separator.

The invention relates to a coalescing vacuum type oil cleaning device, which comprises an oil inlet valve, a first switch valve, a coalescing separator, a second switch valve and an oil outlet valve serially connected in a main oil way in sequence, wherein a first check valve is arranged between the coalescing separator and the second switch valve; both ends of the second switch valve are connected with a vacuum separator component in parallel; the oil inlet of the vacuum separator component is serially connected with a third switch valve; and the oil outlet of the vacuum separator component is serially connected with a second check valve. The coalescing vacuum type oil cleaning device has the beneficial effect that the device is not only capable of being suitable for cleaning treatment of oil with serious water seepage or opacification so that impurities of moisture, metallic particles and the like in the oil are efficiently removed, but also capable of realizing stage treatment of oil in various pollution degrees and heating of oil independently.

The invention provides a bacterial strain reproduction method for accelerating restoration of eutrophic water. Acinetobacter, nitrogen and phosphorus removal bacteria, achromobacter xylosoxidans, saccharomyces cerevisiae strains, acinetobacter johnson and pseudomonas can exert different functions in the water and achieve the synergistic effect and mutual promotion, total nitrogen and total phosphorus in the water are effectively removed, the eutrophic water is purified, and growth of pathogenic bacteria can also be inhibited; a culture medium can activate the acinetobacter, the nitrogen and phosphorus removal bacteria, the achromobacter, the xylosoxidans, the saccharomyces cerevisiae strains, the acinetobacter johnson and the pseudomonas in the dormant state and promote reproduction; an enzyme is beneficial for the reproduction of the acinetobacter, the nitrogen and phosphorus removal bacteria, the achromobacter, the xylosoxidans, the saccharomyces cerevisiae strains, the acinetobacterjohnson and the pseudomonas, and prolongs the proliferative period of the acinetobacter, the nitrogen and phosphorus removal bacteria, the achromobacter, the xylosoxidans, the saccharomyces cerevisiae strains, the acinetobacter johnson and the pseudomonas, and the speed of purifying the eutrophic water is increased. According to the method, the proliferative period of the bacterial strains for eliminating eutrophication can be prolonged, and the reproduction is accelerated, which is beneficial for increasing the speed of restoration for the eutrophic water.

The invention discloses a yoghurt containing naked algae powder and a preparation method of the yoghurt. The yoghurt is prepared from naked algae powder, fruit juice and a stabilizer at a reasonable proportion, and specific amounts of milk and a sweetening agent are added. The preparation method comprises the following steps: the sweetening agent, the stabilizer, the naked algae powder and water are mixed until the naked algae powder is dissolved, so as to obtain first slurry; the milk is added into the first slurry, and primary mixing is carried out to obtain second slurry; water is added into and mixed with the fruit juice to obtain third slurry; the third slurry is added into the second slurry, and secondary mixing is carried out to obtain fourth slurry; and the fourth slurry is homogenized and sterilized in turn to obtain the yoghurt containing the naked algae powder. The finally obtained yoghurt added with the naked algae powder is excellent in sense and taste and has good stability.

The invention discloses a brewing process for flavored vinegar. The brewing process comprises the following specific steps that raspberry pulp is prepared, glutinous rice pulp is prepared, then a walnut green seedcase antioxidant is added into the raspberry pulp and the glutinous rice pulp, and then primary yeast fermentation, secondary yeast fermentation, acetic fermentation, ageing, vinegar spraying, sterilization and filling are carried out. A secondary alcohol fermentation process is set, so that the content of alcohol and acetic acid is remarkably increased; in the later period of alcoholic fermentation, the walnut green seedcase antioxidant can achieve an antioxidant effect on polyphenol substances in the raspberries, so that the reduction degree of the total phenol content is reduced; and the flavored vinegar obtained by the brewing process is transparent in color and luster, the hygienic indexes and the microbial indexes meet the requirements of food hygiene related standards,flavonoid substances in the raspberries are reserved, and the flavored vinegar has a certain health-care effect.

The invention discloses a novel pichia strain and a method for mixing and culturing the same to biologically detoxify hemicellulose hydrolysate. The novel pichia strain comprises pichia galeiformis CCTCCNO:M 209245 (B-10), pichia occidentalis CCTCC NO:M 209273 (C-4), and pichia kudriavzevii CCTCC NO:M 209274 (D-6) which have degrading activity for 12 known microbial metabolism inhibitors existed in the hemicellulose hydrolysate, has the characteristics of good poison resistance and quick detoxifying process and does not use pentose or pentose alcohol. In the invention, three strains are used for jointly carrying out biological detoxifying fermentation for the hemicellulose hydrolysate, and the xylitol fermentation performance of the treated hydrolysate can reach a fermentation performanceachieved by using pure xylose as stroma. The invention has the advantages of environmental protection and cost saving.

The invention discloses a dry-state biological tissue material and a preparation method thereof.The preparation method comprises the steps that decellularization treatment is conducted on the biological tissue material through decellularization solutions, and the decellularization solutions comprise the first decellularization solution to the Nth decellularization solution with the concentration gradually increased; carrying out first-time anti-calcification treatment by adopting a dissolving solution, wherein the dissolving solution is used for dissolving phospholipid impurities in the biological tissue; carrying out second-time anti-calcification treatment by adopting a removal solution, wherein the removal solution is used for removing an oxidation product carboxyl of an aldehyde group in the cross-linking and decellularization processes; carrying out third-time anti-calcification treatment by adopting a reduction solution, wherein the reduction solution is used for protecting free aldehyde groups; dehydration solutions are adopted for dehydration treatment, the dehydration solutions comprise the first dehydration solution to the Mth dehydration solution with the concentration gradually increased, the concentration of the Mth dehydration solution is smaller than that of the Nth decellularization solution, the purposes of dissolving phospholipid, removing carboxylic acid and protecting aldehyde groups are achieved through three times of anti-calcification treatment, and a complete anti-calcification process is achieved; and high calcification resistance is achieved.

The invention belongs to the technical field of environmental-friendly equipment and relates to a high-strength compression dehydration garbage station which comprises a rack placed on a first layer of the garbage station. A box body is arranged on the rack; a compression bin and a garbage receiving bin which mutually communicate are arranged on the box body; and a garbage receiving hopper is arranged on the top of the box body and communicates with the garbage receiving bin. A pushing head is arranged in a cavity of the box body, conducts reciprocating movement along an inner cavity of the cavity and controls the size of space of the garbage receiving bin and the compression bin. The top end of the garbage receiving hopper extends to the position of a bottom plate of a second layer of the garbage station. A front gate is arranged at the end, away from the pushing head, on the box body, achieves lifting movement through a front gate oil cylinder arranged on the box body and controls opening and closing of the front end of the compression bin. A plurality of water outlets are formed in the bottom of the compression bin and communicate with a water collecting hopper at the bottom of the box body, and drainage pipelines are arranged at the bottom of the water collecting hopper. In the using process of the garbage machine, garbage can be effectively subjected to weight reducing operation, then freight and garbage incineration costs are reduced, and economic benefits are considerable.

The invention provides a preparation method of m-xylylenediamine. In this process, m-xylene is converted to isophthalonitrile by ammoxidation. The resulting isophthalonitrile is extracted with N-alkylpyrazoles. The extracted isophthalonitrile solution is decarboxylated by the resin and then enters the hydrogenation reactor for hydrogenation reaction to obtain the m-xylylenediamine reaction liquid. Finally, high-purity (>99.9%) m-xylylenediamine was obtained through rectification and separation. The method has the characteristics of simple reaction process, low energy consumption, simple operation, high yield of m-xylylenediamine, high purity of m-xylylenediamine, and the like.

The invention provides a primary processing method for loofah sponge. The primary processing method for the loofah sponge comprises the steps of (1) peeling: immersing the whole loofah into 8 to 12 percent of strong-base water solution, and soaking at 70 to 90 DEG C until the loofah peels are softened and rotted; (2) flushing: removing the loofah peels of the loofah obtained in the step (1), flushing through water for 2 to 3 times, and obtaining loofah sponge to be treated; (3) decoloring: immersing the whole loofah sponge to be treated obtained in the step (2) into 5 to 10 percent of bleaching agent water solution, soaking until the green color is fully removed, and obtaining bleached loofah sponge; (4) flushing: flushing the bleached loofah sponge obtained through the step (3) through water for 2 to 3 times, and obtaining flushed loofah sponge; (5) whitening: immersing the flushed loofah sponge obtained in the step (4) into 3 to 5 percent of softener water solution with a whitening function, and soaking until the flushed loofah sponge becomes white; and (6) drying: drying in the air, and removing loofah seeds. The primary processing method is short in processing time, and the product is uniformly white in color and is not easy to yellow.

The invention discloses a preparation method of lotus extract, comprising the following steps: 1) extracting fresh lotus and lotus leaves with petroleum ether for 24-48 hours, the weight ratio of lotus flowers and lotus leaves being 1:0.1-0.5, petroleum The amount of ether added is 5 to 8 times the total weight of the lotus flower and lotus leaves, and the filtrate is obtained after filtering the extract; 2) the filtrate is decompressed with a rotary evaporator to remove petroleum ether to obtain a primary extract, which is obtained after low-temperature sterilization. The finished lotus extract. The present invention uses petroleum ether as the extraction agent, which can fully extract the fragrance components in lotus petals and lotus leaves, and adopts a rotary evaporator to distill under reduced pressure when removing petroleum ether, which can effectively remove petroleum ether, and the preparation process is at a relatively low temperature It is carried out under certain conditions, and the aromatic components can be retained to the greatest extent, and the prepared lotus extract is rich in the faint fragrance of lotus.