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59results about How to "No sediment" patented technology

Hydraulic reaming circulation drilling machine and reaming pile construction technology thereof

The invention discloses a hydraulic reaming circulation drilling machine. The hydraulic reaming circulation drilling machine comprises a pile machine main body, and a mast and a mast support mechanism which are installed on the pile machine main body, and is characterized in that a faucet is installed on the upper end portion of the mast, a hydraulic device which can transmit hydraulic pressure to the faucet is fixedly connected with the bottom of the faucet, a drill rod which can transmit hydraulic pressure to the hydraulic device is fixedly connected with the bottom of the hydraulic device, a power head which drives the drill rod to rotate is installed on the lower end portion of the mast, and a reaming drill bit which performs hydraulic reaming under action of the hydraulic device is installed at the bottom of the drill rod. The invention further discloses a reaming pile construction technology of the hydraulic reaming circulation drilling machine. The hydraulic reaming circulation drilling machine and the reaming pile construction technology thereof have the advantages of 1, achieving integration of drilling, reaming and hole cleaning, and being high in construction efficiency; 2, being stable and reliable in reaming action, and high in efficiency by using the reaming drill bit driven through the hydraulic pressure; 3, performing the slurry circulation hole cleaning in the reaming, and achieving good reaming quality; 4, being strong in reaming ability, and enabling the maximum reaming diameter to reach above 2m.
Owner:浙江万坚建设有限公司

Long screw extrusion-socketed cast-in-place pile construction method based on circulating slurry breast wall

The invention discloses a long screw extrusion-socketed cast-in-place pile construction method based on circulating slurry breast wall, comprising the steps of first, burying a protective barrel and setting a slurry circulating system that comprises a slurry storage tank and a slurry pumping device, with the upper portion of the protective barrel provided with an overflow hole; second, drilling to form a borehole; third, lifting a drill pipe, and casting a slurry breast wall under high pressure: lifting up the drill pipe, and continuously casting wall supporting slurry from bottom to top from the borehole bottom through the drill pipe by using the slurry pumping device; fourth, lowering a reinforcement cage; fifth, casting concrete underwater and recycling the wall supporting slurry, and recycling the wall supporting slurry discharged through the overflow hole to the slurry storage tank for backup. The method has simple steps, is easy to implement, has high hole-forming quality and good construction effect, and enables the construction of a long screw extrusion-socketed cast-in-place pile to be finished simply and quickly, and by casting the wall supporting slurry from bottom to top from the borehole bottom in a high-pressure casting manner, it is possible to effectively protect the wall and keep the borehole bottom clean with no deposit; the wall supporting slurry is reusable.
Owner:SHAANXI ZHUANGXIN CONSTR ENG +4

Construction technology for long-spiral cast-in-place pile extruded into rock

The invention discloses a construction technology for a long-spiral cast-in-place pile extruded into rock. The construction technology comprises the following steps: 1) embedding a pile casing: embedding the pile casing in a pile position acquired by surveying and setting out; 2) drilling a hole: downward drilling by a long-spiral pile machine and acquiring a constructed and formed hole after drilling in place; 3) lifting a drill rod and protecting a wall with slurry: upward lifting the drill rod after drilling in place till taking the drill rod out of the formed hole, adopting a grouting device and pumping the wall-protecting slurry through the drill rod during the process of upward lifting the drill rod, and protecting the wall with the slurry for the formed hole; 4) putting down a reinforced bar cage; 5) grouting concrete: performing concrete grouting construction on the constructed long-spiral cast-in-place pile extruded into rock through a concrete pumping device and a grouting guide tube. The construction technology provided by the invention has the advantages of simple steps, convenience in realization, high hole quality, good construction effect and capability of effectively solving the problems of the present construction for the long-spiral cast-in-place pile extruded into rock that the hole wall is easy to collapse, the hole is repeatedly cleaned, the construction efficiency is low, and the like.
Owner:SHAANXI ZHUANGXIN CONSTR ENG

Novel aluminum and high-molecular aluminum alloy chromium-free film forming agent

The invention discloses novel aluminum and a high-molecular aluminum alloy chromium-free film forming agent. 1L of the high-molecular aluminum alloy chromium-free film forming agent is characterized by comprising the following components by weight: 20g to 100g of modified water-based high-molecular resin, 3g to 20g of an oxidant, 5g to 40g of a film forming aid, 0.5g to 5g of a wetting agent, 1g to 10g of a complexing agent and the balance of water. The novel aluminum and the high-molecular aluminum alloy chromium-free film forming agent disclosed by the invention are nontoxic, need no complex preparation process and have the advantages of greatly improving the production efficiency, being short in treatment time, realizing an excellent film formation effect at room temperature, greatly improving the corrosion resistance of the material, causing no precipitate slags, saving energy and protecting environment.
Owner:CHANGZHOU JUNHE TECH

Double-component yacon fruit juice and preparation method thereof

The invention provides yacon fruit juice and a preparation method thereof. The yacon fruit juice contains fructooligosaccharide and chlorogenic acid, wherein the content of the fructooligosaccharide is not less than 11,000mg / 100g, and the content of the chlorogenic acid is not less than 19mg / 100g. The preparation method for producing the yacon fruit juice comprises that yacon tubers are prepared into a yacon fruit juice product by cleaning, peeling, crushing, color protection, juicing, enzyme treatment, adsorption, filtration, centrifugation, blending, high-temperature sterilization and filling. The yacon fruit juice keeps the nutrient components of the fructooligosaccharide and the chlorogenic acid, ensures that the contents of the fructooligosaccharide and the chlorogenic acid do not decline along with prolonging of storage time, and also keeps the unique flavor of yacon fruits. The guarantee period of the product is 1 year, and the yacon fruit juice has no sediment or suspension and does not change color in the guarantee period.
Owner:贵阳高新创嘉创业服务有限公司

Processing method of instant black tea powder

The invention discloses a processing method of instant black tea powder. The processing method comprises the following steps of crushing black tea leaves so as to obtain black tea powder, mixing the black tea powder with distilled water, sequentially performing mixing and enzymolysis on the mixture of the black tea powder and the distilled water, cellulases, papain, pectinase and tannase, and finally, performing aqueous extraction, reverse osmosis concentration and vacuum freeze drying so as to obtain instant black tea powder. According to the processing method disclosed by the invention, the black tea leaves are used as raw materials, an instant tea extraction process is improved, the fragrance of the instant tea can be improved, original taste of the tea leaves is reserved, and the preprared instant tea powder is high in instant performance, and pure in fragrance and taste, the fragrance and the taste of the prepared instant tea powder are similar with those of original tea, and the instant black tea powder has the soup color of the original tea. Precipitants are not generated, and the instant black tea powder can be directly drunk, and has important significance in the expansion and the development of markets of the instant tea.
Owner:LONGYAN UNIV

High-performance printable ink, preparation method thereof and application to flexible all-solid-state supercapacitor

The invention provides high-performance printable ink. The high-performance printable ink is prepared from carbon quantum dots, graphene oxide, a surfactant and a solvent, wherein the carbon quantum dots and graphene oxide have a stronger synergistic effect and can effectively improve overall performance of the material. According to the mixed ink prepared by modifying graphene oxide with the carbon quantum dots, the carbon quantum dots as spacers between graphene oxide layers effectively prevent graphene oxide from stacking again, and meanwhile, the carbon quantum dots generally contain moreoxygen-containing functional groups and open edges and provide more reaction sites for pseudocapacitance, so that a carbon quantum dot / graphene oxide mixed electrode shows better electrochemical capacity and cyclic stability as compared with single carbon quantum dot electrode or single graphene oxide electrode.
Owner:UNIV OF SCI & TECH OF CHINA

Olive vinegar and preparation method thereof

InactiveCN103333774AComply with food hygiene regulationsLess varietyVinegar preparationAcute hyperglycaemiaOlive leaf
The invention relates to olive vinegar and a preparation method thereof. The olive vinegar consists of olive, olive leaves, astragalus membranaceus, the root of red-rooted salvia and starch. The preparation method comprises the following steps of: removing fruit wax and astringency from the olive and the fresh olive leaves by using pure alkaline liquid; separating pulp and removing cores from the olive; drying and crushing the olive and the olive leaves into fine powder; sterilizing the fine powder and Chinese medicinal herb powder at high temperature; after cooling, adding distilled water and stirring into paste; after cooking thoroughly, cooling to normal temperature; adding fruit wine leaven and least; fermenting at low temperature and alcoholizing; adding acetic acid bacteria, fermenting and acidifying; rolling a fermenting ceramic jar every morning, afternoon and evening until the pH value of fermenting acid is 2.5 to 3.0; performing sterilization; and finally filtering and precipitating liquid subjected to fermentation, filtering out impurities, modulating color and seasoning. The olive vinegar has certain effects of promoting digestion, enhancing immunity, preventing hypertension, hyperlipidemia and hyperglycemia and the like and is good in mouthfeel, rich in nutrients and suitable for people of all ages.
Owner:张杰 +1

Soda water beverage and preparation method of same

The invention discloses a soda water beverage. Each 1000 L of the soda water beverage comprises, by weight, 0.10-0.20 kg of sodium bicarbonate, 0.2-0.4 kg of citric acid, 0.10-0.20 kg of vitamin C, 0.01-0.02 kg of sucralose and 8-20 kg of calamansi juice. The soda water has long shelf life and abundant nutrients, and satisfies demands of common people, and has great advantages on improving body immunity and enhancing body physique.
Owner:贵州北极熊实业有限公司

Surface treatment method for electric phosphorization of permanent magnet material

The present invention provides a surface treatment method for electric phosphorization of a permanent magnet material. The surface treatment method comprises: (1) chamfering polishing: adopting a mechanical vibration mill and tumbling chamfer method to carry out conventional polishing on a neodymium-iron-boron permanent magnet material; (2) degreasing and deoiling: adding sodium phosphate, sodium carbonate or sodium hydroxide to carry out conventional defatting and deoiling; (3) acid washing rust removing: adding a nitric acid solution to carry out conventional acid washing rust removing and water washing; (4) an electric phosphorization treatment: adopting an electric phosphorization agent to carry out an electric phosphorization treatment; and (5) water washing and blow drying. According to the present invention, the surface treatment method has characteristics of simpleness, rapidness and environmental protection, and the high corrosion resistance is provided; the treatment process has characteristics of no sediment production, short treatment time and simple control; and the treatment steps are less, the surface conditioning step can be saved, the tank solution can be reused, and the adhesion of the paint on the substrate is effectively improved.
Owner:BEIJING ZHONG KE SAN HUAN HI TECH +1

Environment friendly room temperature non-slag colorful chemical conversion solution and process

The invention relates to an environment-friendly room temperature no-slag colorful chemical conversion solution and a process thereof; the process is characterized in that the carbon steel is arranged and treated in bath solution with the temperature of 10-31 DEG C which contains 3.8-10.3g / L of zinc phosphate, 4.0-15.0mL / L of phosphoric acid, 0.6-2.8g / L of manganese salt, 1.8-6.0g / L of sodium phosphate, 4.1-8.4g / L of organic acid salt and 0.6-4.6g / L of accelerator and has the pH value of 2.5-3.2 for 8-30 minutes, washed by tap water and dried, thus forming a uniform and compact colorful chemical conversion film on the surface of the carbon steel; the conversion film has excellent decoration performance, anti-corrosion performance and subsequent manufacturability. The conversion solution and the process excellently solve the problem of heavy pollution and large energy dissipation during phosphating at high and intermediate temperature and bluing at high temperature, and also solve the problems of environment pollution, harm on the health of operators, bad anti-corrosion performance of the blued film, bad adhesion of the substrate and the blued film, and the like due to selenious acid and copper ions in blued solution at normal temperature and hexavalent chromium ions in oxidation passivation solution.
Owner:BEIJING UNIV OF CHEM TECH

Phosphating solution, preparation method of phosphating solution and phosphating process of metal wires

The invention discloses a phosphating solution and a preparation method of the phosphating solution. The phosphating solution comprises 10-20 parts of phosphoric acid, 10-15 parts of zinc oxide, 10-20parts of nitric acid, 0.05-0.3 part of copper sulfate, 20-30 parts of calcium nitrate, 0.3-0.8 part of tartaric acid and 30-45 parts of water. Firstly, the zinc oxide and water are weighed and mixeduniformly into a paste; then the nitric acid is added into the paste mixture for complete reaction; excessive phosphoric acid is added for complete reaction; and finally, the copper sulfate, calcium nitrate and the tartaric acid are added and mixed uniformly, and the phosphating solution is obtained. The invention further discloses a phosphating process of metal wires. The process includes the steps of shelling, surface adjusting, electrolytic phosphating, water washing, blow-drying and wire collection. A continuous production mode is adopted, the voltage and the wire speed are controlled, andthe metal wires are subjected to phosphating. A phosphating film coating is complete in coverage, compact and firm, control over the coating thickness is convenient, the phosphating time is short, the efficiency is high, no phosphating slags occur, zero emission is achieved, the environment-friendly effect is achieved, and energy is saved.
Owner:四川亨通兴达科技有限公司

Processing preparation method of high fragrant type instant tea powder

The invention discloses a processing preparation method of high fragrant type instant tea powder, which comprises mixing tea and edible alcohol, carrying out temperature-controlling ultrasound extraction and concentration to mixed liquid, obtaining main components of the tea, and obtaining the instant tea powder after vacuum freezing drying. The tea serves a raw material, an instant tea extracting process is modified, fragrance of the instant tea is improved, intrinsic taste of the tea is stabilized, and the problem that the instant tea is low in fragrance and light in taste for a long term is solved. The instant tea powder is high in instant performance, pure in fragrance and taste and close to fragrance of the original tea, has liquid color of the original tea, has no sedimentation materials, can be mixed with water and drunk directly, and is of significance to promotion and development of the instant tea market.
Owner:HUAXIANG YUAN TEA IND

Nutrient health care rose-grape vinegar

The invention belongs to the technical field of beverage processing, in particular to nutrient health care rose-grape vinegar. The nutrient health care rose-grape vinegar is prepared from the following raw materials: grapes, fresh grape leaves, grape roots, fresh rose, sugar cane juice, winter bamboo shoots, fresh spinach, fresh orange peel, a rhizoma bletillae extract, a piperis longi extract, propylene glycol alginate, chrysanthemum flavone, corosolic acid and bacillus aceticus. The nutrient health care rose-grape vinegar is uniform in color and luster, is light red in color, is stable in vinegar body, is free from lamination and precipitated substances, has strong and coordinated fragrances of grape, rose and vinegar, mild and proper sourness and sweetness, and soft, mellow, fine and smooth mouthfeel, is free from stimulation, and has good treatment effects for patients suffering from skin cracking and peeling, long-term constipation, high blood fat, high blood pressure and anemia.
Owner:阜阳金满地生态农业科技股份有限公司

Processing method of banana wine and product

The invention discloses a processing method of a banana wine. The method includes the following steps: cleaning banana, peeling, slicing, protecting color, juicing, treating with pectinase, centrifuging and separating, adjusting the components, inoculating yeast, conducting primary fermentation, primary fermentation after fermentation, ageing, filtering, bottling, sterilizing and obtaining a finished product. The method uses bananas as raw materials for brewing banana wine, which has pale yellow, clear and transparent color, luster, and no suspended solids or sediment; the banana wine has evident banana aroma and bouquet, rich mellow, harmonious aroma, pure taste, full and mellow body, sour-sweet taste and unique style. The wine with unique style is rich in nutrients, protein and a variety of amino acids and minerals, and is in line with the development direction of domestic and international low alcohol fruit juice wine. At the same time, the development of banana wine opens a new way for deep processing of local agricultural and sideline products, not only solves the issue of sales of banana, but also can increase the added values, and promote economic and social development.
Owner:GUANGXI UNIV

Welt-process three-turn smoke-prevention, dust-control gas-purification device

The invention provides a wet-method three-stage smoke elimination, dust removal and gas purification device for purifying combustion smoke gas and organic waste gas with a double-alkali method, a sodium-alkaline method, a magnesium method, an ammonia method, a waste alkaline liquid method, a sea water method, and the like. The device comprises a main tower and an inner tower, wherein, the main tower is provided with a gas purification outlet pipe, a waste gas inlet pipe, an outlet pipe for ash water and ash slag, and a medicine liquid spraying pipe; the inner tower is provided with a top plate and a central duct, and is coaxial arranged with the main tower. The device is characterized in that a baffle plate for dividing the circular ring cylindrical space between the two towers into an upper space and a lower space which are not communicated with each other is fixedly connected between the main tower and the inner tower; the upper space is provided with a water outlet; the wall of the inner tower is provided with a tangential inlet and a tangential outlet; waste gas enters the central duct from the lower space through the tangential inlet and enters the upper space from the central duct through the tangential outlet; the side wall of the main tower is provided with a flush hole which can be used for removing ash in the tangential inlet and the tangential outlet. Therefore, the device can effectively eliminate smoke and remove fluorine, nitre, nitrogen and organic waste gas. The Ringelmann blackness of the smoke is less than or equal to grade one, the dust removal rate is more than or equal to 99.99 percent, the dust discharging concentration is less than or equal to 30mg / m<3>, and the desulfurization degree is more than or equal to 99 percent. Besides, the invention ensures continuous and efficient purification and lowers the cost of the towers and the device.
Owner:林新

A hydraulic reaming circular drilling rig and its construction technology for reaming piles

The invention discloses a hydraulic reaming circulation drilling machine. The hydraulic reaming circulation drilling machine comprises a pile machine main body, and a mast and a mast support mechanism which are installed on the pile machine main body, and is characterized in that a faucet is installed on the upper end portion of the mast, a hydraulic device which can transmit hydraulic pressure to the faucet is fixedly connected with the bottom of the faucet, a drill rod which can transmit hydraulic pressure to the hydraulic device is fixedly connected with the bottom of the hydraulic device, a power head which drives the drill rod to rotate is installed on the lower end portion of the mast, and a reaming drill bit which performs hydraulic reaming under action of the hydraulic device is installed at the bottom of the drill rod. The invention further discloses a reaming pile construction technology of the hydraulic reaming circulation drilling machine. The hydraulic reaming circulation drilling machine and the reaming pile construction technology thereof have the advantages of 1, achieving integration of drilling, reaming and hole cleaning, and being high in construction efficiency; 2, being stable and reliable in reaming action, and high in efficiency by using the reaming drill bit driven through the hydraulic pressure; 3, performing the slurry circulation hole cleaning in the reaming, and achieving good reaming quality; 4, being strong in reaming ability, and enabling the maximum reaming diameter to reach above 2m.
Owner:浙江万坚建设有限公司

Construction method for fabricating composite waterproof curtain by embedding rigid piles into low-strength concrete piles

The invention discloses a construction method for fabricating a composite waterproof curtain by embedding rigid piles into low-strength concrete piles. The construction method comprises the following steps of 1) surveying and paying off, 2) drilling low-strength concrete pile holes, and pouring the low-strength concrete piles, 3) embedding preformed groove forming rods into the low-strength concrete piles, 4) extracting the preformed groove forming rods, and forming the low-strength concrete piles, 5) drilling rigid pile holes, and placing a reinforcing cage in a hanging manner, and 6) pouring the rigid piles, and curing the rigid piles. The construction method solves the problems that the available concrete template waterproof occlusion piles are relatively high in construction cost and low in efficiency, resources are wasted and an environment is polluted, and the underground structure waterproof construction method is safe, reliable, economical, reasonable and wide in application, and reduces pollution.
Owner:北京市机械施工集团有限公司

Functional auxiliaries for car fuel

InactiveCN106190362AHas the effect of emissionEmission reductionLiquid carbonaceous fuelsCombustionAntioxidant
The invention belongs to the technical field of fuel additives and particularly relates to functional auxiliaries for car fuel. The functional auxiliaries are prepared by, by weight, 30-50 parts of combustion improver, 10-20 parts of octane value accelerator, 10-16 parts of antismoke agent, 10-20 parts of dispersing agent, 5-12 parts of antioxidant and 3-9 parts of friction modifier. The functional auxiliaries have the advantages that the functional auxiliaries are scientific and reasonable in raw material proportion, have effects of improving combustion, increasing the octane value, cleaning, resisting corrosion, resisting oxidation and reducing the emission of harmful substances, and can effectively remove the accumulated carbon of a nozzle, guarantee good atomizing performance, keep engine performance and emission level, allow gasoline to be combusted completely and achieve energy conservation and environment protection.
Owner:GUANGXI DONGQI ENERGY TECH CO LTD

Populus diversifoli schrenk alkaline soda water

The invention relates to populus diversifoli schrenk alkaline soda water. The populus diversifoli schrenk alkaline soda water has the advantages that after a populus diversifoli schrenk alkaline extracting solution is added into pure water, two or three of citric acid, honey and peppermint essence are added, so as to prepare the populus diversifoli schrenk alkaline soda water with various tastes;the natural populus diversifoli schrenk alkaline extracting solution is used for replacing the added sodium bicarbonate, trace elements, vitamins and the like in the traditional soda water, so that the nutrient quality of the soda water is improved; the thirst is relieved, the acid and alkaline degree in the human body is balanced, the poor digestion and constipation are relieved, the effects of beautifying and nourishing face are realized, the uric acid is favorably excreted, and then the function of preventing and controlling hyperuricemia or gout is realized; the problems of single mouth feel and lack of nutrients in the soda water are effectively relieved, the consumption tendency of people is met, and the nutritional matters required by the human body are supplemented; the technologyis simple, and the nutritional matters are further remained.
Owner:吐尔逊托乎提

Construction method of cast-in-place pile

The invention provides a construction method of a cast-in-place pile. The construction method includes: using a full screw earth auger to drill a construction site; performing bottom cleaning after apreset depth is reached; lifting a drill pipe, and using a concrete pump to grout concrete to the bottom of the hole through the inner cavity of the drill pipe and the discharge outlets of a drill bit; taking out the drill pipe, and placing into a reinforcement cage. The construction method is free of slurry pollution, fast in construction, high in construction efficiency and low in cost.
Owner:BEIJING NO 5 CONSTR ENG GRP

Processing method of cumquat wine

The invention provides a processing method of cumquat wine, comprising the following steps: soaking well-chosen fresh cumquats in rice spirit of 50 degrees, cooling, filtering, canning and sealing. The method improves the additional value of cumquat. The obtained fruit wine is golden in color, and is clean and transparent without suspended matters or sediments. The aroma of the cumquat fruit is rich and the wine aroma is harmonized as well. The wine is mellow, with appropriate sweet taste and sour taste, and has the uniquely typical style of cumquat wine.
Owner:黄达辉

Nutritional health-care Korean pine seed oil

The invention belongs to the technical field of edible oil, in particular to nutritional health-care Korean pine seed oil. The nutritional health-care Korean pine seed oil is prepared from the following raw materials: Korean pine seed kernel, fresh orange peel, fresh China rose petal, Chinese yam liquor, myricetin, apigenin and diosmetin. In the nutritional health-care Korean pine seed oil, flower skin liquid is added for mixed fermentation, and a mixture is squeezed after being subjected to freeze drying, so that the peculiar smell of terebinth is effectively covered, an oil body is endowed with the fragrance of oily China rose and orange peel, the cell activity of the Korean pine seed kernel can be effectively increased, cell breakage is facilitated, and the oil extraction rate is increased; the Chinese yam liquor is added in crude oil, and a mixture is stirred, homogenized and refined, so that the stability of the oil body is enhanced effectively, and the oil body is clear and bright and has the effects of promoting metabolism, moistening skin and compacting the skin; the myricetin, the apigenin and the diosmetin are added, so that the shelf life of the oil body can be effectively prolonged, and the effects of effectively promoting blood circulation to remove blood stasis, relieving intensive and compressed emotion, eliminating phlegm and dredging collaterals can be achieved.
Owner:蚌埠市九华油脂有限公司

Ethanol replacement oil preparation method and equipment for ethanol replacement oil preparation method

The invention relates to an oil preparation method, in particular to an ethanol replacement oil preparation method and equipment for the ethanol replacement oil preparation method, solving the problems of the existing leaching refining method that the energy consumption is large and the quality cannot be guaranteed. Ethanol replacement oil preparation method comprises the following steps of: 1, using ethanol solution with the concentration higher than 95% and the temperature higher than the boiling point as the solvent to penetrate into a cake; 2, heating the cake dipped with ethanol solutionto 120 DEG C by friction and pressure and enabling the ethanol solution and oil in the cake to be mutually dissolved; and 3, performing pressing to separate the mixed oil for desolventizing. The brand new oil preparation method and the matched oil preparation equipment are adopted, so that the solvent turnover is significantly reduced and the energy is saved, in addition, the oil preparation method is more environmentally friendly and safer than the solvent extraction method, the oil quality is effectively guaranteed, no sediment is generated after the oil is heated, meanwhile, the cake quality is also improved, and the cake can be used as raw materials of food.
Owner:张天久

Construction Technology of Long Spiral Extrusion Rock Grouting Pile

The invention discloses a construction technology for a long-spiral cast-in-place pile extruded into rock. The construction technology comprises the following steps: 1) embedding a pile casing: embedding the pile casing in a pile position acquired by surveying and setting out; 2) drilling a hole: downward drilling by a long-spiral pile machine and acquiring a constructed and formed hole after drilling in place; 3) lifting a drill rod and protecting a wall with slurry: upward lifting the drill rod after drilling in place till taking the drill rod out of the formed hole, adopting a grouting device and pumping the wall-protecting slurry through the drill rod during the process of upward lifting the drill rod, and protecting the wall with the slurry for the formed hole; 4) putting down a reinforced bar cage; 5) grouting concrete: performing concrete grouting construction on the constructed long-spiral cast-in-place pile extruded into rock through a concrete pumping device and a grouting guide tube. The construction technology provided by the invention has the advantages of simple steps, convenience in realization, high hole quality, good construction effect and capability of effectively solving the problems of the present construction for the long-spiral cast-in-place pile extruded into rock that the hole wall is easy to collapse, the hole is repeatedly cleaned, the construction efficiency is low, and the like.
Owner:SHAANXI ZHUANGXIN CONSTR ENG

Vitrified agent and preparation method thereof

The invention discloses a vitrified agent which is prepared by the following raw materials according to the parts by weight: 20-30 parts of potassium fluorozirconate or sodium fluorozirconate, 5-10 parts of fluoride, 5-10 parts of complexing agent and 40-60 parts of water. The vitrified agent prepared by the technology has good stability, no sediment and no phosphates, can form a vitrification layer on the surface of steel, zinc and aluminum, has strong binding force with various types of coatings, is applicable to the spraying and soaking at room temperature, does not need a heating device and can reach the aim of saving energy and simplifying the production.
Owner:岑添祥

Electroplating technology of shining tin zinc nickel alloy

The invention relates to a preparation method of a decorative metal surface protection, and belongs to the field of material preparation and processing. The main technical characteristics are as below: step 1: oil removal by alkali washing to remove grease on part surface and protect the surface color from turning into black; step 2, activation by using an activation solution composed of a carbon steel activation solution and a copper part activation solution; and step 3, plating by using a plating solution containing 170 g / L of potassium pyrophosphate, 11 g / L of stannous sulfate, 25 g / L of zinc sulfate, 25 g / L of nickel sulfate, 60 g / L of sodium sulfate, 0.6 g / L of a water-soluble additive, 0.3 g / L of rosin and 1.5 g / L of sodium dodecyl sulfate, and under the conditions of current density of 0.05 A / dm<2>, temperature of 25-45 DEG C, pH value of 8.5, plating time of 10 min, an anode of a tin zinc nickel three-electrode, the ratio of tin, zinc and Ni of 1:1:1, and a cathode of carbon steel. The invention has the advantages that the current density is low and that the coating can reach 10 mum in a short period of time (5-10 min) and has uniform and compact surface and silver mirror brightness.
Owner:SHENYANG POLYTECHNIC UNIV

Finely extracted high-concentration tea drink

The present invention discloses finely extracted high-concentration tea drink. After supercritical extraction is used to obtain a high-concentration fresh ginger extract, a chrysanthemum extract and an ampelopsis grossedentata leaf extract, brown sugar and xylooligosaccharide powder are added, and then spray-drying is conducted to prepare the finely extracted high-concentration tea drink. By optimizing fresh ginger extraction technology and preparation steps, and focusing on setting associated and integrated process parameters in the supercritical carbon dioxide extraction process, pure natural characteristics of plant raw materials are completely retained and the high-concentration finely extracted tea drink is prepared. The finely extracted high-concentration tea drink is relatively richin mouthfeel and significant in whole effects on promoting blood circulation and nourishing qi, combines synthetic effects of dispelling wind and warming the stomach, promoting blood circulation andwarming the uterus, preventing micro-organisms and inflammation, improving immunity, etc. Moreover, a method is high in extraction rate, improves utilization rate of raw materials and reduces production costs.
Owner:ZHUZHOU QIANJIN PHARMA

Vitrification agent and preparation method and application method thereof

The invention provides a vitrification agent and a preparation method and an application method thereof. The vitrification agent contains the following raw materials of, by weight, 1%-5% of ammonium fluorozirconate, 0.2-1.5% of acetic acid, 0.5-0.8% of citric acid, 0.5-3% of vinyl silane, 0.1-3% of sodium chloride, 0.2-1% of zinc oxide and the balance water. The preparation method of the vitrification agent mainly comprises the following steps of 1, under normal temperature and normal pressure, water which accounts for two thirds of a formula amount is added into a reaction container, and thewater is slowly and non-stopping stirred; 2, the ammonium fluorozirconate, the acetic acid, the citric acid, the vinyl silane, the sodium chloride and the zinc oxide are sequentially and slowly addedinto the reaction container according to the formula amount while the stirring is kept; and 3, after a liquid stirring tool is continuously stirred for a certain time, the residual water is added andthe density is adjusted until 1.01-1.03 g / ml. The application method of the vitrification agent mainly comprises the following steps of degreasing treatment, two water washing, surface treatment on the vitrification agent prepared by the method, washing with pure water, drying, spraying and solidifying.
Owner:深圳市华世纪联合企业管理有限公司
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