11results about How to "Large pores" patented technology

The invention discloses a production method of distiller's grain fermentation liquid fertilizer specially applied to roxburgh rose. The distiller's grain fermentation liquid fertilizer is prepared bythe step of evenly mixing 50 to 80 parts of distiller's grain fermentation extracting solution, 0.5 to 1 part of microelement, 5 to 10 parts of seaweed meal, 5 to 10 parts of natural active organism,2 to 5 parts of potassium bicarbonate, 2 to 5 parts of natural active organism and 2 to 5 parts of natural surface active agent. A preparation method of the distiller's grain fermentation extracting solution comprises the steps: evenly stirring 50 to 80 parts of distiller's grain, 50 to 150 parts of rice washing water, 1 to 2 parts of EM microflora fermentation liquid and 0.5 to 1 part of sugar, performing composting fermentation at the room temperature to obtain a distiller's grain fermentation material, stirring and extracting through a sodium carbonate water solution, filtering and performing evaporation and condensation on obtained filtrate until the density is 1.1 to 1.2 to obtain distiller's grain fermentation extracting solution. The distiller's grain fermentation liquid fertilizerdisclosed by the invention has a good use effect, meanwhile can effectively prevent pest and disease damage to the roxburgh rose and is high-efficiency environment-friendly liquid fertilizer.

This invention provides a method for preparing bamboo fiber for textiles, belonging to the field of fiber extraction technology. The preparation method includes bamboo strip pretreatment, enzyme immobilization, and bamboo fiber extraction. The bamboo strip pretreatment method is as follows: whole bamboo is taken, crushed and cut, and bamboo strips with a length of 6-8 cm, a width of 0.5-0.7 cm, and a thickness of 0.3-0.5 cm are taken. The strips are ultrasonically treated for 25-35 min, then soaked in NaOH solution for 30-40 min, filtered, washed with deionized water until neutral, and dried to a moisture content of 15-20% to obtain pretreated bamboo strips. The bamboo fiber extracted by this invention has a tensile strength of 1.21-1.28 GPa, a breaking elongation of 4.09-4.17%, an elastic modulus of 37.15-37.26 GPa, and an average enzyme activity retention rate of 66.3-68.4% after 10 reuses.

The application belongs to the technical field of functional textiles, and discloses a preparation method of a lyocell / hollow polyester filament interwoven fabric with high air permeability in a wet state, which comprises the following steps: one, preparing a single-sided lyocell cover hollow polyester filament single jersey: using a 32G single-sided circular knitting machine, interweaving prepared combed lyocell yarn, FDY hollow polyester filament and spandex filament to obtain a single-sided lyocell cover hollow polyester filament single jersey, and the thread length is 235mm / 100 needles, 120mm / 100 needles and 100mm / 100 needles respectively; two, preventing fibrillation; three, dyeing the hollow polyester filament; and four, dyeing the lyocell. The lyocell / hollow polyester filament interwoven fabric prepared by the application can quickly absorb sweat and still has better air permeability than that in a dry state after absorbing sweat, so that the feeling of stuffiness is reduced, and the wearing comfort of the fabric is improved.

The utility model relates to the technical field of cool fabric processing, in particular to cool fabric finishing equipment which comprises an alkali liquor pool, a conveying roller, a motor, a first conveying roller, a rotating shaft and the like. A plurality of conveying rollers are mounted on the alkali liquor pool; a motor is mounted on the alkali liquor pool; a first conveying roller is rotationally connected into the alkali liquor pool; a rotating shaft is rotationally connected into the alkali liquor pool, the rotating shaft is fixedly connected with an output shaft of the motor, and the first conveying roller is located below the rotating shaft. The pressing rod is in contact with the inclined fabric between the left conveying roller and the first conveying roller and presses the fabric, so that the fabric between the left conveying roller and the first conveying roller is in a tight state, pores between the fabric are enlarged, the flowing resistance of a caustic soda solution is reduced, and the caustic soda solution better enters the interior of the fabric.

The application discloses a kind of carbon dioxide corrosion inhibitor based on mannich base and its preparation method and application, belong to petroleum chemical industry metal material protection technical field.Main agent mannich base is with 3-amino crotonitrile, 3-hydrazine quinoline, phenylacetone, cinnamaldehyde as main, it is prepared by condensation, mannich two-step reaction, its structure is as shown in formula A.The inhibitor includes by mass percentage:mannich base A 30~40%, alkylamine 8~16%, potassium iodide 0.3~0.6%, surfactant 10~20%, organic solvent 30~60%.Mannich base A synthesis is simple, post-treatment is convenient, molecule contains quinoline, pyrazole, carbonyl, double bond, phenyl functional group simultaneously, can be well adsorbed on carbon steel surface and form dense protective film to prevent the invasion of corrosive medium.Add alkylamine, potassium iodide, surfactant, organic solvent, water solubility increases after compounding, corrosion inhibition effect is enhanced.The corrosion inhibitor has the characteristics such as small amount, high efficiency, wide application range, and has wide application prospect in oil and gas production.

This invention relates to the field of wastewater treatment technology, and more particularly to a method for enhancing anaerobic ammonia oxidation (AAO) denitrification using iron-loaded polyurethane porous materials. The method includes the following steps: Anaerobic ammonia oxidation sludge, iron-loaded polyurethane porous materials, and wastewater containing ammonia nitrogen and nitrite nitrogen are thoroughly mixed in an anaerobic reactor and reacted under anaerobic conditions at a temperature of 31-35°C. The iron-loaded polyurethane porous materials are prepared as follows: polyurethane sponge is selected as a carrier, cut and cleaned, and then immersed and stirred in a mixed iron salt solution for a period of time. The pH of the mixed solution is adjusted to alkaline, resulting in the formation of a red precipitate. The iron-loaded polyurethane porous materials are then hydrothermally synthesized. The mixed iron salt solution includes ferric chloride and ferric nitrate. The carrier material prepared by this invention, when applied to an anaerobic ammonia oxidation system, can effectively shorten the process start-up time, promote the enrichment and biofilm formation of anaerobic ammonia oxidizing bacteria, and achieve a high total nitrogen removal rate.

The utility model provides an irregular through hole texture tatting vamp, and relates to the field of spinning. The tatting vamp comprises a through hole weave and a common grain weave, the number of weave point warps of the through hole weave is two or more, the number of weave point wefts of the through hole weave is two or more, all warps and wefts of the same weave point of the through hole weave are gathered into a bundle, and all wefts of the same weave point of the through hole weave are gathered into a bundle. The through hole weave and the common grain weave are integrally and continuously woven; by adopting a specific weaving machine and a specific weaving method, the irregular through hole weave tatting vamp is woven, all warps and wefts at the same weave point of the through hole weave are respectively gathered into bundles, and air holes are formed among the weave points, so that the purpose that the pores of the weave points can be increased without twisting the warps is achieved; meanwhile, the boundary between the through hole weave and the common line weave can form an irregular curve, so that the pattern feeling is added to the fabric, the permeability of the fabric can be improved, and the problem of poor air permeability of the woven fabric is solved.

The invention relates to the technical field of lithium adsorbents, in particular to a titanium lithium adsorbent and a preparation method thereof.The preparation method comprises the steps that a lithium source and a titanium source are added into a mixture of polyethylene glycol, an additive and water, ball milling dispersion is conducted, prefabricated slurry is obtained, and the additive comprises at least one of cane sugar, glucose, fructose, starch and citric acid; performing spray drying on the prefabricated slurry to prepare dry powder; calcining the dried powder to prepare lithium metatitanate; and cleaning the lithium metatitanate with an acid solution. According to the titanium lithium adsorbent prepared by the preparation method, the wettability can be improved, and the dissolution loss and falling of particles can be reduced, so that the extraction rate of lithium is improved.

The application discloses a method of backwashing filter device based on electromagnetic control, which comprises a filter tank shell, a composite filter layer arranged in the filter tank shell, and an electromagnetic system, wherein the composite filter layer comprises magnetic filter material and non-magnetic filter material; the electromagnetic system comprises an electromagnet generator and a magnetic field generating unit arranged around the filter tank shell; the magnetic field generating unit comprises a plurality of electromagnet cores and coils wound around the electromagnet cores; the electromagnet generator is electrically connected with the coils through wires and provides direct current or alternating current to the coils. In the backwashing stage, the alternating action of the direct current and alternating current magnetic field guides the spatial reconstruction or micro-vibration of the magnetic filter material, thereby enhancing the filter layer flushing effect and improving the backwashing efficiency. The device realizes low energy consumption, low water consumption and high efficiency backwashing, and has the advantages of compact structure, high automation degree and strong adaptability, and is suitable for the solid-liquid separation process of mine dewatering water, industrial circulating water and sewage treatment.

The utility model provides a tatting vamp fixed through threading of a through hole structure, and relates to the field of spinning. The tatting vamp comprises a through hole weave, a common grain weave and a consolidation line, the number of warp yarns of weave points of the through hole weave is two or more, the number of weft yarns of the weave points of the through hole weave is two or more, all the warp yarns and the weft yarns of the same weave points of the through hole weave are gathered into bundles, and all the weft yarns of the same weave points of the through hole weave are gathered into bundles. The fixing threads penetrate through holes of the through hole tissues and extend to the outer side of the vamp, and in the subsequent shoemaking process, the fixing threads extending to the outer side of the vamp are fixed in the outsole or the insole of the sole, so that the firmness of the vamp and the sole is improved.

The invention relates to the technical field of soil remediation, in particular to a cultivated land soil remediation modifier based on waste biomass and a preparation method thereof.The cultivated land soil remediation modifier comprises, by mass, 5-10% of modified biomass, 5-10% of waste biomass and the balance water. 1-5% of a microbial agent; 1-5% of a gel material; 10 to 20% of bentonite; the balance of organic fertilizer; the preparation method comprises the following steps: S1, preparing the rigid matrix; s2, preparing flexible slurry; s3, preparing a cultivated land soil remediation modifier; according to the arable soil remediation modifier, the modified biomass and the bentonite are used as rigid matrixes, the gel material, the microbial agent and the organic fertilizer are used as flexible slurry, and the rigid matrixes are beneficial for breaking hardening and increasing pores; the flexible slurry improves the water retention capacity, can prevent particles from loosening and collapsing in soil when encountering water, and prolongs the action time of the cultivated land soil remediation modifier.