33results about How to "Save investment in environmental protection" patented technology

The present invention relates to beer, and especially active peptide and fruity beer and its preparation process. The active peptide and fruity beer is superior to available peptide beer and fruity beer. The active peptide and fruity beer is prepared with soybean protein peptide powder 0.2-0.5 wt%, sodium carboxymethyl cellulose 0.05-0.15 wt%, fructose syrup 1.5-2.5 wt%, sweetener 0.05-0.15 wt%, citric acid 0.01-0.1 wt%, phosphoric acid 0.005-0.025 wt%, sodium citrate 0.001-0.02 wt%, CO2 0.4-0.65 wt% and water for the rest. The mixed mash is pumped into the CO2 mixing tank while maintaining tank pressure in 0.15-0.6 Mpa. The active peptide and fruity beer is cool, tasty and refreshing, and good for health, and the preparation process is simple and low in resource consumption.

The present invention relates to a clean production processing method of turmeric. Said method includes the following steps: cleaning turmeric raw material, pulverizing, ultrasonic auxiliary grinding, pressing, centrifugal separation, first membrane concentration, hydrolysis, press filtration, extraction, neutralization and secondary membrane concentration.

The invention discloses a process for treating and recovering dye industrial wastewater. The process comprises the following steps of: collecting cyclizing wastewater, adding a calcium hydroxide solution, reacting until the pH value is 5 to 7, and recovering a precipitate to obtain calcium hydrophosphate; adding the calcium hydroxide solution continuously, reacting until the pH value is 10 to 12,and recovering a precipitate to obtain calcium phosphate; adding an acidulant for neutralizing; collecting pigment wastewater, rectifying at the temperature of between 75 and 85 DEG C, and recoveringfractions to obtain ethanol; collecting soda boiling wastewater, mixing the soda boiling wastewater and the treated cyclizing wastewater and pigment wastewater to obtain mixed wastewater, adding the acidulant into the mixed wastewater, regulating the pH value to be 2 to 4, separating a precipitate out, and performing suction filtration and distillation on the precipitate to obtain benzoic acid; and performing primary materialization treatment, biochemical treatment and advanced treatment on the treated mixed wastewater sequentially, and discharging. According to the process, useful substancesin the dye wastewater are recovered, so that the production cost is saved, the load of the subsequent wastewater treatment process is reduced, the discharge of the wastewater can reach the standard, and the economic benefit is improved effectively.

The invention discloses an incoherence or weak caking coal deep processing method. Firstly, coking coal is fed into a carbonization reactor to carry out carbonization reaction, thus generating coal gas, carbocoal and coal tar; hydrogen in the coal gas is extracted out by pressure swing absorption; the carbocoal is fed into a coal gas generator and reacts with oxygen and water vapour to generate synthesis gas and coal ash; or the carbocoal is fed into a circulating fluid bed boiler to carry out generating; the coal tar enters a normal pressure fractionating tower to obtain creosoted oil, oil at the top of the tower and heavy oil at the bottom of the tower; wherein the creosoted oil is extracted to obtain crude phenol product and dephenolized oil, the dephenolized oil and heavy oil at the bottom of the tower enter a delayed coking device to carry out thermal cracking reaction. Through the optimization design of the flow, the invention realizes the deep processing of incoherence or weak caking coal such as ignite, long flame coal, gas coal and the like, and effectively improves the utilization factor of the materials.

The invention discloses a desalination and purification method of pentasodium diethylenetriamine pentaacetic acid (DTPA) and belongs to the field of chemical purification. The purification method comprises the steps of adding deionized water in a crude product pentasodium DTPA solution to obtain a diluent and regulating the pH (potential of Hydrogen) of the diluent to 11-11.5; carrying out desalination separation on the obtained diluent under the pressure of 1-3MPa by adopting a nanofiltration membrane with the molecular weight cut-off of 100-300, thus respectively obtaining a pentasodium DTPA desalination liquid and saline water; and continuously adding the deionized water in the pentasodium DTPA desalination liquid obtained through the separation and carrying out circular desalination separation under the pressure of 1-3MPa by adopting the nanofiltration membrane with the molecular weight cut-off of 100-300 till the salinity of the obtained pentasodium DTPA desalination liquid is below 0.5%. The method for removing the sodium chloride of the pentasodium DTPA has the advantages of high efficiency, rapidness, easiness in control and the like; in addition, by adopting the method, the pentasodium DTPA purifying yield can be up to more than 98%.

A wet dust removal device consisting of a dust removal system and a sewage treatment system. The dust removal system is composed of a gas deflector, a water spray pipe, a smoke and dust capture mechanism and a mist eliminator installed sequentially from bottom to top in the tower; the gas deflector It is composed of a group of wing-shaped deflectors arranged horizontally in the plane, and the smoke and dust capture mechanism is composed of a dust-collecting plate with dense meshes and a "herringbone"-shaped dust-collecting plate. Its sewage treatment system is composed of sewage tank, sewage pump, filter paper belt, water purification recovery mechanism, sludge drying mechanism and dust residue collection mechanism. This dust removal device can realize five-stage dust removal for dust-containing gas, and the dust removal rate is high. By increasing the number of layers of the dust capture mechanism, the dust removal rate for the gas containing particles above 5 microns can reach up to 98%; the resistance of dust-containing gas is small, Low energy consumption; dust removal and sewage treatment are integrated, which can reduce the footprint and investment of environmental protection equipment, and the dust removal sewage can be recycled after treatment, saving water resources.

The invention relates to a high strength light wall plate which is composed of a base material and a three-dimensional net rack embedded in the base material, wherein the base material is a mixture of cement, vitrified micro bubbles, an anti-crack agent and a plasticizing agent; the wall plate comprises the following components in parts by weight: 3-6 parts of cement, 1-2 parts of vitrified micro bubbles, 0.0005-0.002 part of anti-crack agent and 0.003-0.01 part of plasticizing agent. The wall plate has the advantages of lightening the structure load, reducing the engineering cost, expanding the indoor usable floor area, having no construction waste, being capable of recycling the waste and being energy-saving and environment-friendly and the like.

The invention discloses a solid waste incineration system with an exhaust gas secondary combustion drying ignition device and a treatment method thereof. The solid waste incineration system comprises an incineration device and an air extraction system, wherein the incineration device comprises a cloth section, a drying section, an ignition section and an incineration section; operation at the drying section and the ignition section is achieved through the exhaust gas secondary combustion drying ignition device; the exhaust gas secondary combustion drying ignition device is in a cover body form, covers sintering materials, and is divided into an exhaust gas secondary combustion drying part at the front section and an ignition part arranged at the tail end; the incineration exhaust gas returns to the ignition device and burns in the situation that gas fuel is externally added, and a secondary combustion chamber is formed; and combustible matters in the flue gas are completely combusted, and harmful substances such as CO, NOx and dioxin in the flue gas are decomposed and are effectively treated. According to the solid waste incineration system, a high temperature gas generated during combustion ignites the materials, and waste heat of the exhaust gas dries and preheats the materials before ignition.

The invention belongs to the field of thermal power engineering and discloses a low-nitrogen-source pure oxygen combustion method. According to the method, low-nitrogen fuel is adopted, pure oxygen isused as combustion-supporting gas, the pure oxygen and the low-nitrogen fuel are conveyed separately, the ratio between the pure oxygen and the low-nitrogen fuel is controlled, four corner tangentialpure oxygen combustion is carried out in a combustion chamber, deep burnout of the low-nitrogen fuel is achieved, and thus the emission concentrations of CO and NOx are reduced. According to the low-nitrogen-source pure oxygen combustion method, pre-combustion nitrogen source reduction is achieved, NOx is completely eradicated or reduced from the source, and fuel heat energy conversion efficiencyis improved; and no fuel gas denitrification device is needed, the NOx combustion emission concentration is 5-100 mg / m<3>, the CO combustion emission concentration is 50-500 mg / m<3>, and combustion efficiency is 95% or above.

The invention provides a method for purifying gallic acid production waste water through nanometer silica gel. The method comprises steps as follows: the waste water is neutralized with lime milk until the pH value of the waste water is appropriate; gallic acid and other organic ingredients in the waste water are adsorbed with calcium metasilicate nanogel; the gel material adsorbing the organic ingredients in the waste water is acidized through hydrochloric acid, so that gallic acid and other ingredients are subjected to desorption; the pH value of the nanogel subjected to desorption is adjusted through lime milk, and the adsorption capacity of the nanogel is regenerated under the condition of a proper pH value. With the adoption of the method, at least 92% of gallic acid in the gallic acid production waste water can be recycled, color-generating organic ingredients in the waste water can also be adsorbed, accordingly, the COD (chemical oxygen demand) value of the waste water can be effectively reduced, the chromaticity of the waste water is reduced remarkably, the water quality of discharged waste water meets the GB21905-2008 second-grade discharge standard, and the difficult technical problem about meeting the standards of good treatment effect, little environment investment and low operation cost for treatment of waste water during production of gallic acid can be better solved.

The invention discloses an elevated short-flow process energy-saving RKEF nickel-iron alloy production process, which includes the following steps: (1) drying; (2) batching; (3) roasting-pre-reduction; (4) electric furnace smelting; (5) casting and forming. The invention also discloses an elevated short-process energy-saving RKEF process nickel-iron alloy production equipment, which is mainly composed of a rotary kiln, a drying kiln, an electric furnace workshop, a transfer station, a batching station, and a raw material warehouse. One end of the rotary kiln is connected to the electric furnace workshop, and the other One end is connected to the transfer station, the drying kiln is located below the rotary kiln, one end of the drying kiln is connected to the electric furnace workshop, the transfer station is connected to the batching station at the end far away from the rotary kiln, and the raw material warehouse is close to the drying kiln through a belt conveyor One end of the electric furnace workshop is connected. The invention improves the temperature of entering the furnace by optimizing the design, reduces the power consumption of smelting, makes full use of energy, reduces energy consumption and reduces environmental pollution.