219results about How to "Reduce water usage" patented technology

The invention relates to a real-time dynamic 3D water balance monitoring system of a power plant and a working method of the system. The system is characterized by comprising a data collection module, a data transmission module, a data storage module, a monitoring center and a data analysis and application module, wherein the data collection module collects flow data, and the data transmission module returns data collected by the data collection module in real time. Water volume data of different collection points is collected by the data collection module, transmitted to the data storage module by the data transmission module, and further transmitted to the data analysis and application module by the data storage module. The system and method have the advantages that the relation between water volume change and generating load is found via data analysis, the imbalance rate is calculated, and thus, scientific basis is provided for planning water-saving measures of the power plant.

A dry process based energy storage product and method for making is disclosed.

Disclosed is a composite gypsum board comprising a board core and a concentrated layer of substantial thickness (e.g., at least about 0.02 inches). The concentrated layer includes a higher weight percentage of an enhancing additive than the board core. The board core has a thickness greater than the thickness of the concentrated layer and forms the bulk of the board volume. The concentrated layer has a higher density (e.g., at least about 1.1 times greater) than the density of the board core. Also disclosed is a method of preparing a composite gypsum board.

The invention discloses a processing method of high-quality olive oil, which comprises the following steps: performing impurity removal on fruits; separating; cleaning; weighing; preheating; pulverizing; fusing, wherein a jacketed kettle with a stirrer is used, the rotation speed of the stirrer is 18-25 r/min, an interlayer of the jacketed kettle is heated by hot water of 30-35 DEG C, the fusing time is 30-50 minutes, and the temperature of fruit pulp is kept at 20-25 DEG C; spreading cakes, wherein the fused fruit pulp is spread into the cakes on a cake spreading vehicle by means of a clean nylon cushion, a cake spreading ring and squeezing disks, the cakes need to be evenly spread, the thickness of each cake is 25 mm, and 4-5 layers of cakes are spread between every two disks; squeezing; roughly filtering; decanting; performing centrifugal separation; filtering in vacuum; and storing. According to the method, olive oil is processed at low temperature (less than 25 DEG C) and is extracted by a mechanical method; no further refining is required, and no chemical substance and additive exist; detection indicates that the acid value of the prepared olive oil is less than 1.0 mg/g, the ultraviolet absorption value (K232) is no more than 0.20, the ultraviolet absorption value (K270) is no more than 0.20, and the peroxide value is no more than 10 mmol/kg; and the prepared olive oil has inherent smell and taste of olive oil and is edible.

A water culture hydroponics system of the invention is mainly disposed with a box body. At least one vertical plane of the box body is disposed with a plurality of openings for placing plants. At least one water pipe is disposed onto an inner side of the box body. The surface of the water pipe is disposed with a plurality of water spraying holes such that fluid within the water pipe is sprayed toward the plants from each water spraying hole. An exterior of the box body is disposed with at least one lamp wall for providing lateral light source to the plants to allow the inside of the box body to achieve optimum uniform moisture effect, and in conjunction with the irradiation of light beam, an effect of culturing and growing plants can be facilitated.

The invention belongs to the field of food processing, and in particular discloses a manufacturing method of a novel semisolid quick-fermentation pickle. The method comprises the following steps: (1) pretreating raw materials; (2) performing disinfection treatment on a pickle jar; (3) salting and dehydrating a pickle; (4) preparing lactobacillus plantarum and leuconostoc mesenteroide bacterial sludge; (5) adding auxiliary materials and a culture; (6) adding pickle old brine and glucose; (7) laying vegetable in the jar flat, adding a layer of film at the opening of the pickle jar, filling up the pickle jar edge water groove with water, thus achieving a double-layer sealing effect, and fermenting under normal temperature. According to the method, the pickle raw materials are firstly salted and dehydrated, and then leuconostoc mesenteroide and the lactobacillus plantarum are added into the pickle jar, so that an obtained pickle substrate is high in concentration, rich in nutrition, and short in fermentation period, and also has the characteristics of preventing pickle mildew, improving pickle taste, and improving pickle quality and safety, and the problem of high cost caused by great salt consumption and water consumption in pickle industrialization can be solved.

The invention discloses a pre-extraction method for an organic extraction agent, a product and an application thereof in the extraction and separation of rare earths. The pre-extraction method comprises the following steps that: the organic extraction agent is directly mixed with a rare earth solution and alkaline-earth metal compound powder or water slurry containing magnesium and/or calcium forpre-extraction, rare earth metal ions in an aqueous phase are extracted into an organic phase, exchanged nascent hydrogen ions dissolve an alkaline-earth metal compound to maintain the acidity balance of an extraction system so as to produce a loaded organic extraction agent which contains the rare earth metal ions and is used for nonsaponifiable extraction and separation of rare earth elements. In the extraction method, the organic extraction agent does not need liquid ammonia and liquid alkali to saponify, no ammonia nitrogen waste water is produced during the extraction and separation process of the rare earths, the separation cost for the rare earths is greatly reduced, and a large amount of cost for three-waste treatment is saved. The method is suitable for the extraction and separation of the rare earths in all hydrochloric acid systems, sulphuric acid systems and nitric acid systems, has small investment, and takes effect quickly.

The invention discloses a low-permeability soft coal seam extra-thin layer water jetting exploiting permeability increasing method. The method includes the following steps that 1 extra-thin layer water jetting exploiting parameters are designed; 2 extra-thin layer water jetting exploiting devices are machined, tested and installed; 3 a water jetting exploiting radius and a corresponding water jetting parameter are measured; 4 slag discharge holes and middle exploiting holes are constructed; 5 water jetting coal mining is started on an extra-thin layer; 6 when the coal mining reaches a designed location, the extra-thin layer water jetting exploiting devices are closed; 7 jetting exploiting drill holes and the slag discharge holes are linked to pumping-releasing pipelines to pump and release; 8 the steps ranging from 5 to 7 are repeated, and next drilling construction and jetting exploiting are conducted; 9 detection is conducted on a extra-thin layer exploiting pressure relief effect. By means of the method, the flow of coal seam hectometer hole drilling gas is increased by times, the pumping and releasing time of the gas is greatly shortened, the pumping and releasing radius is increased by times, the well drilling construction quantity is reduced, the gas overrunning probability is greatly reduced in the tunneling period and stoping period, and valuable time and safety guarantee are provided for the coal mine safety-efficient stoping and tunneling.

The invention relates to a well drilling wastewater flocculation precipitation treatment device. The device comprises a flocculation reaction tank, a flocculation settling basin and an intermediate tank, the flocculation reaction tank is provided with a stirring device, the flocculation settling basin and the intermediate tank are arranged on a well site, the flocculation reaction tank is provided with a water feeding port, a chemical feed port and a water discharge port, the water feeding port, the chemical feed port and the water discharge port are communicated to the outside, a communication valve is arranged between the flocculation settling basin and the intermediate tank, a first water pump is disposed between the flocculation settling basin and the flocculation reaction tank, the flocculation settling basin is communicated with a water inlet end of the first water pump, a water outlet end of the first water pump is communicated with the flocculation reaction tank, the flocculation reaction tank is communicated with the flocculation settling basin and the intermediate tank which are arranged on the well site to form a water circulation to collaboratively store water bodies, defects that the transportation is difficult, and uniform stirring is hardly achieved when the flocculation reaction tank is oversize are overcome, the required volume of the flocculation settling basin is reduced, besides, the water bodies formed by well drilling wastewater and flocculating agents are maintained in a flow state all the time, and the dissolving efficiency of the flocculating agents is improved.

The invention relates to a depilation caustic dipping method of the lining leather of high quality pigskin shoes without using sodium sulfide and lime, which is characterized in that the method can greatly reduce the pollution of S and waste residue in waste water caused by sodium sulfide, sodium sulfhydrate and the lime in the process of traditional leather manufacturing process, and the discharge amount of the waste water is reduced by 40% and is easy to treat compared with the conventional depilation liming working procedure. Meanwhile, a non-ammonia dealkalization method is adopted to greatly reduce the content of NH3-N in the waste water. Compared with the traditional technique, the method can shorten the production period, save materials and reduce the comprehensive cost of production.

The invention discloses a coal block jigger, a coal selection system and a coal selection method, which belongs to coal jigging selection field and is more particularly suitable for select coal blocks. The coal block jigger of the invention is formed by multiplying the inclined angle of a filter board of the existing multi-section jigger and changing a overflow spillway into a clean coal outlet passage; the coal selection system of the coal block jigger comprises the coal block jig, a rock refuse bucket elevator, a middling bucket elevator, a clean coal bucket elevator, a recycling water bucket, a recycling water pump, a water supply device and so on; and the coal selection of the coal block jigger can one-time select rock refuse, middlings, clean coal and a plurality of other products, and the water supply amount in selection is small. By adopting the invention to select coal blocks, processing amount can be increased, a great deal of water can be saved, washing and cleaning cost can be lowered, system steps can be simplified and system overall investment is reduced, thus achieving the effect that can not be achieved by the existing multi-section jigger. The invention is a brand new coal blocks selection jigger, a coal selection system and a coal selection method, which can be used for selecting steam coal and can also substitute dense medium vertical wheelers and inclined wheelers for coal block selection.

The invention discloses a ceramic pedestal pan with a rearmounted flushing pipeline and a manufacturing process thereof. The ceramic pedestal pan comprises a seat body, a bed pan, a draining curve and a flushing pipeline, and is characterized in that: the outlet of the draining curve and a draining opening of the bed pan are connected in the front, the flushing pipeline is arranged at the back of the bed pan, and a flushing protecting hole of the flushing pipeline and the draining opening of the bed pan are connected at the back, wherein the cross section area of the opening of the flushing pipeline is 16-24cm<2>, and the cross section area of the flushing protecting hole is 2-5cm<2>. The product only needs 3-4L of water for flushing and draining at every time, keeps excellent drainage performance and also realizes the water saving effect; in addition, the product has reasonable structure and does not generate rearmounted center of gravity; and the production process of the product has simple operation, and the yield of the product is high.

The invention relates to a fabric softener with bactericidal function and a preparation method thereof. The fabric softener comprises the following components in portion by weight: 4.5 to 10 portions of quaternary amine ester (C18), 1 to 3 portions of dialkyl quaternary ammonium salt (C8-10), 1 to 2 portions of fatty alcohol polyoxyethylene ether (5), 0.5 to 1.5 portions of fatty alcohol polyoxyethylene ether (7), 0.1 to 0.5 portion of essence, 0.05 to 0.3 portion of citric acid, and 82.7 to 92.8 portions of deionized water. The fabric softener has good solubility and good softness, protects the fabric, has strong sterilizing power, and can reduce washing cost.

The invention discloses a sludge modified diaphragm compressed deep dehydration process and system. The process comprises the following steps: (1) metering sludge, and entering an elliptical cascade sludge pre-thickening system for thickening and dehydration; (2) enabling the thickened sludge to directly enter a sludge conditioning tank for conditioning, sequentially adding a conditioner a and a conditioner b to be uniformly stirred, and modifying the sludge; and (3) enabling the modified sludge to enter a special sludge compressed dehydration equipment system for performing deep compressed dehydration treatment, and enabling the finally obtained cake sludge to enter an outwards sludge transport system. The improved process is simple and convenient to operate, and the moisture content of the treated sludge is 60% or less. The invention further provides a sludge modified diaphragm compressed deep dehydration system. According to the system, the dehydration efficiency of a filter press can be improved, the sludge volume is reduced, the cost is reduced, the land utilization efficiency is improved, the low-cost goal of the sludge is achieved, and convenience is brought to subsequent resource treatment.

The invention discloses a bearing cleaning machine using a bubble enhancement reaction. The bearing cleaning machine structurally comprises a splashing proof sealing cover, a cleaning machine main body, universal moving wheels, a product nameplate and a cleaning machine control machine. The bearing cleaning machine is combined with a bubble generating structure through a grease collecting structure, when a bearing is put into the cleaning machine to be cleaned, bubbles can be generated in the cleaning machine through the bubble generating structure, the overturning effect is generated throughthe bubbles and a cleaning solution, thus balls in the bearing rotates, and thus attachments on the surface of the bearing are dropped off; meanwhile the grease floating at the top of the cleaning solution can be effectively collected to be treated centrally, the situation that the grease at the top of the cleaning solution is attached on the surface of the bearing after being sunk when water is discharged from the cleaning machine, and the cleaning effect of the cleaning machine is effectively improved.

The invention discloses a synthesis method of p-chlorophenyl hydrazine. The method comprises the following steps: (1) adding hydrazine hydrate into a four-neck flask, starting to stir and adding a hydrochloric acid solution dropwise at a certain reaction temperature to obtain a hydrazine hydrochloride solution; (2) adding p-chloroaniline into the four-neck flask, starting to stir by using glycol as a solvent, adding the hydrazine hydrochloride solution obtained in the step (1) dropwise at the reaction temperature of 100 to 120 DEG C, performing heat-insulating reflux reaction for 2 to 6 hours, and filtering, washing and drying after the reaction is finished to obtain the p-chlorophenyl hydrazine. By the method, one-step synthesis of the p-chlorophenyl hydrazine is realized by using the p-chloroaniline and the hydrazine hydrate, the yield can reach more than 85%, and the method is suitable for enterprise large-scale production; by the method provided by the invention, the tedious operation steps, such as diazotization, reduction and acidolysis, in the traditional method are avoided, and the process safety is improved; by the method, the use amount of water can be reduced, the discharge quantity of waste water is greatly reduced, waste water treatment in the later period is avoided, and the cost is reduced.

A comprehensive utilization process of a glutamic acid crystal mother liquid comprises the following steps: one, leading the glutamic acid crystal mother liquid into a membrane separation system, allowing solid particles, thalli, proteins, polysaccharides and a colloid in the mother liquid to be intercepted by a membrane, and making glutamic acid left in a membrane filtrate; and allowing the membrane filtrate to go to a next step for treatment; two, leading the membrane filtrate into an ion exchange system, adsorbing glutamic acid by an ion exchange resin, when the content of glutamic acid in an ion exchange tail liquid is not more than 0.2%, stopping column-loading, adding an eluting agent, eluting, allowing glutamic acid to go into the eluate, collecting the eluate, and recycling glutamic acid from the eluate. The membrane separation technology and the ion exchange technology are combined, recycling of glutamic acid from the crystal mother liquid is realized, at the same time, a protein feed is prepared from the thalli and the proteins intercepted by the membrane, an organic fertilizer is prepared from the ion exchange tail liquid through slurry-spraying granulation, the whole process allows useful substances in the crystal mother liquid to be totally recycled, comprehensive utilization of the resources is thoroughly achieved, waste is turned into treasure, and significant economic benefits are achieved.

The invention discloses cement for an intermediate frequency furnace lining. The cement is prepared from the components in percentage by mass: 70%-80% of dense corundum, 10%-20% of dense corundum powder, 5%-15% of a binder, 0.5%-2% of superfine powder, 0.5%-3% of an additive and 0.1%-5% of an explosion-proof agent. The cement has the characteristics of prolonged service life of the intermediate frequency furnace, high operation efficiency and simple maintenance and adapts to a highly heat environment.

A composite inorganic base method synthesizing a chabazite-type molecular sieve with high silica-alumina ratio is as below: evenly mixing an alkaline silica sol and a template; slowly adding potassium hydroxide; adding sodium hydroxide; continuing to stir; then slowly adding an aqueous solution of aluminum sulfate; distilling to remove excessive water; sealing, insulating and stirring; conducting high speed shearing to obtain a uniform gel; and conducting crystallization, roasting and ammonium exchange to obtain a product. The invention has the advantages of high silica-alumina ratio, high specific surface area, high MTO diolefin selectivity and pollution-free preparation process.

The present invention discloses a magnesium lactate production method based on crystallization process for fermentation, separation and coupling. Lactobacillus rhamnosus is subjected to repeated batch fermentation culture for 180-220h manner at 37-42 DEG C, and in-situ separation is performed to obtain the high-purity magnesium lactate crystals. The lactic acid yield in fermentation is 140-150g / L, the production rate is 2.0-2.5g / L / h, and sugar acid conversion rate is 94.5%. In situ separation process in a crystallization mode on the magnesium lactate reaches the removal rate of lactic acid of up to 79.10% and fermentation wastewater reuse rate of 65.57%. Compared to a traditional feeding-batch fermentation process, the method can save 40% of water consumption, 41% of the amount of inorganic salt and 43% of the amount of yeast extract, and reach gross production of L-lactic acid 3.82 times of single batch fermentation in 5 stable fermentation cycles. The process for fermentation production of lactic acid avoids the disadvantages of large amount of solid waste and waste water in calcium salt production process, and does not need external seed addition, cooling or reheating process, simplifies the production steps, shortens production time, and ensures the environmental and sustainable process while reducing the cost of production of lactic acid.

The present invention relates to one kind of double screw pulp grinder with toothed disc. The double screw pulp grinder features that inside the mutually buckled upper casing and lower casing, two parallel meshed screws with equal thread inner and outer diameter are mounted and made to rotate in the same direction and constitute one combined structure together with the toothed disc. The width of the inclined slot of the toothed disc is reduced gradually from the material inlet to the outlet, and the screws and the toothed disc are assembled onto the spline shaft with the splines. The present invention is used in producing paper pulp through extruding and shearing plant fiber between two rotating screws and has the features of great fiber length and high brooming effect of paper pulp, low power consumption, low water consumption and less exhaust.

The invention discloses a preparation method of a fluorine-containing polymer, which comprises the following steps: (a) preparing the fluorine-containing polymer by emulsion or suspension polymerization; (b) pumping the emulsion after condensation into a filter pressing system for carrying out filter pressing and obtaining a filter cake; (c) adopting the gas phase medium crushing method for carrying out pre-crushing on the filter cake, and obtaining polymer particles with maximum particle size of below 200mm; (d) adopting the liquid phase medium crushing method for crushing the polymer particles into particles with the maximum particle size of less than 60mu m; (e) dispersing the obtained polymer particles in water and obtaining a waterborne dispersion; and (g) drying, thereby obtaining a fluorine-containing polymer product. The invention further discloses a method for reducing the content of the impurity in the fluorine-containing polymer.

A solid phase reaction preparation method for an iron-molybdenum process catalyst used for methanol oxidation to formaldehyde includes the steps of mixing and grinding ammonium molybdate and an iron salt to carry out a reaction to obtain ferric molybdate, and drying, washing, roasting, crushing and shaping the ferric molybdate to produce a ferric molybdate catalyst. The preparation method, compared with a conventional diluted water solution reaction with ammonium molybdate and iron salts such as ferric nitrate, ferric chloride and the like, can greatly reduce usage amount of water and quantity of waste water containing iron and molybdenum and ammonium salts, thereby simplifying treatment of waste water and reducing production cost of the catalyst. The catalyst has high activity, selectivity and strength, and can satisfy demand in the methanol oxidation to formaldehyde of iron-molybdenum process.

The invention provides ceramic slurry. The ceramic slurry comprises ceramic clay, a cationic quaternary ammonium salt polycarboxylic acid water reducing agent and water, wherein the cationic quaternary ammonium salt polycarboxylic acid water reducing agent is a compound represented by the formula (I) or (II). The invention also provides ceramics prepared from the ceramic slurry, and also provides a use of the cationic quaternary ammonium salt polycarboxylic acid water reducing agent in preparation of the ceramics. The cationic quaternary ammonium salt polycarboxylic acid water reducing agent is introduced in the ceramic slurry, has excellent dispersion effect on ceramic clay particles in the ceramic slurry, can reduce the viscosity of the ceramic slurry, can increase the fluidity of the ceramic slurry, improves the stability of the ceramic slurry, reduces the use amount of water, and can be widely used in processes of mud making, slurry grinding and glaze preparation.

An ion-exchanged water generating device, comprising an anode (1) and a cathode (2), between the anode (1) and the cathode (2), sequentially comprising from the anode (1) side: an anode chamber (8), an anion exchange Resin chamber (10), bipolar membrane (3), cation exchange resin chamber (11) and cathode chamber (9); Anion exchange resin (6) is filled in the anion exchange resin chamber (10), and anion exchange resin chamber (6) is filled in the cation exchange resin chamber (11) is filled with a cation exchange resin (7), the bipolar membrane (3) includes an anion exchange membrane (3a) and a cation exchange membrane (3b), the anion exchange membrane (3a) is arranged on the anode (1) side, and the cation exchange The membrane (3b) is arranged on the cathode (2) side. Accordingly, it is possible to reduce the amount of water used for regeneration without using a large amount of chemicals or salts for regeneration of the ion exchange resin, and to greatly reduce the cost required for regeneration of the ion exchange resin.