569results about How to "Simple operation and management" patented technology

The invention relates to high-salt complex wastewater reuse and zero discharge integrated equipment and a technology. The equipment provided by the invention comprises a pretreatment system, a reuse and reduction system and a zero discharge system. The technology comprises the following steps: carrying out homogenization and averaged quantity on high-salt complex wastewater, successively adding sodium hydroxide, sodium carbonate, PAC and PAM to carry out coagulation treatment, letting a mixed liquor which has undergone coagulation treatment enter a filter tank for sedimentation and filtration by the use of an immersed microfiltration membrane, letting a supernatant enter a reverse osmosis treatment process, letting pure water obtained by reverse osmosis treatment enter a reuse water tank for utilization, further condensing condensed brine, and crystallizing the condensed brine or putting the condensed brine into an evaporation pond for atomization and evaporation processing, wherein the reverse osmosis treatment adopts three-level RO: a medium-pressure membrane element is firstly used for desalination and condensation; a high-pressure membrane element is then used for further desalination and condensation; and a ultrahigh-pressure membrane element is finally used for further desalination and condensation. According to the invention, 95% of reverse osmosis concentrated water or analogous high-salt complex wastewater can be recovered for reutilization, only 5% of high strong brine is left to undergo evaporative crystallization or enter the natural evaporation pond. Water resources are fully recycled, and reuse and zero discharge costs of high-salt complex wastewater are reduced.

The invention relates to a method for performing purification treatment on malodorous gases and a device carrying out the same. The ultraviolet light catalysis and ozone oxygenation technologies are optimally integrated to adapt to the treatment of the obnoxious gases with different concentrations and ingredients. Waste gas enters a spraying system to be washed by water or drugs, then is filtered and dried by a demisting device, enters an ultraviolet light catalysis and ozone oxygenation system, and finally is discharged at the top. The method for performing purification treatment on the malodorous gases and the device carrying out the same have the characteristics of less investment, low operation cost, small occupied area, high treatment efficiency, wide application scope and simple operation and management.

The invention relates to a comprehensive electroplating wastewater treating agent. The comprehensive electroplating wastewater treating agent is composed of the following components in percentage by mass: 10-35% of reducing agent, 20-50% of sulfide, 10-30% of aluminum salt, 10-30% of adsorbing material and 5-15% of alkaline substances. The raw materials of the treating agent provided by the invention are low in cost and easy to obtain, and the treating agent is easy to prepare; through compounding the raw materials, a synergistic effect is exerted, and the treating agent is favorable in broad spectrum, capable of effectively removing heavy metals such as nickel, chromium, copper, zinc and the like, high in removal rate up to more than 96% and relatively good in COD (Chemical Oxygen Demand) removal effect; the comprehensive electroplating wastewater treating agent also has the characteristics of strong electroplating wastewater treating capacity, high heavy metal ion sedimentation speed and efficiency, no secondary pollution after treatment and the like; in addition, the treating agent provided by the invention is convenient to use, simple and feasible in treating process, capable of realizing operation by only using a vessel or pool with an aerating agitation device, reducing the floor area and reducing the investment, and easy to realize operation management.

This invention relates to a VLAN aggregation method based on ARP interception, a collection exchange and a system, in which, the method includes: the collection exchange intercepts an ARP request message sent by a source host to a destination host to pick up the ARP list information from the ARP request message and puts it into a local ARP buffer storage list of the collection exchange, utilizing information of the destination host to generate ARP response message to be sent to the source host and corrects the IP message sent to the destination host from the source host and transfers the modified message to the destination host based on the local ARP buffer storage list.

The invention discloses a sewage biochemical treatment integrated device, system and process method. The sewage biochemical treatment integrated device comprises a pond body (17), wherein an incline guide baffle plate (6) is arranged in the pond body (17), one side of the incline guide baffle plate (6) is provided with an aeration assembly (12) and a vertical gas stripping and reflowing assembly (4), an outer reflowing sludge discharging bucket/trough (13) is arranged between the aeration assembly (12) and the incline guide baffle plate (6), the other side of the incline guide baffle plate (6) is provided with a settling assembly (10) and an incline guide plate/tube (9) parallel with the incline guide baffle plate (6), a chemical spraying perforated pipe (8) is arranged above a water feeding hole of the incline guide plate/tube (9), a settled sludge discharging bucket/trough (14) is arranged below the settling assembly (10), and a movable shielding plate (16) is arranged above the settling assembly (10). The sewage biochemical treatment integrated device has the advantages of small occupation area, low energy consumption, engineering investment reduction, low operation cost and easiness in operation and management because of the combination of gas stripping and reflowing circulating denitrification and suspension cleared sediment dephosphorization.

The cooling system is the enclosed self-loop system with the cooling medium being filled inside. The stator winding of the generator is composed of the hollow conductor and the solid conductor combined. The upper and lower ends of the stator winding throug hthe electrolyte separation joints at the upper and lower ends are connected to the upper insulation draft tube and the lower insulation draft tube. The upper insulation draft tube through the gas collecting tube is connected to the condensation space. The lower insulation draft tube through the liquid collecting tube is connected to the lower end of the liquid returning tube. The upper end of the liquid returning tube is connected to the condensation space. The looping pipe connects multiple condensers in parallel.

The invention discloses a multifunctional nutrient ecological dense agent, and preparation and application methods thereof. A formula of the multifunctional nutrient ecological dense agent comprises a solution (A) and a solution (B), wherein the solution (A) is an EM compound probiotic fermentation solution; the solution (B) consists of an organic nutrition adsorbed and complexed chelation carrier and a combined inducer; the EM compound probiotic fermentation solution is prepared by fermentation, activation and expanding propagation of an EM solid bacterial agent; the organic nutrition adsorbed and complexed chelation carrier is a concentrated molasses fermentation solution; active components of the combined inducer are selected from a group consisting of photosynthetic induction factors, tetramethyl glutaric acid, RE nitrate acid rare earth for agricultural use, activator protein, chitosan oligosaccharide, salicylic acid, S-abscisic acid, trehalose, a rooting agent, uniconazole and forchlorfenuron; the solution (A) and the solution (B) are separately stored, and are mixed for preparation before being used. The multifunctional nutrient ecological dense agent is applicable to horticultural crops in greenhouses and large lands, and can be used with ecological cultivation soil in a cooperating manner for high-quality ecological cultivation; by virtue of various application modes such as seed soaking, dripping and spraying, multiple targets of supplying organic nutrition, regulating and inducing resistance to disease and pest, and performing adversity protection are achieved.

The invention discloses a multi-point water inlet aeration anoxic-aerobic high-efficient nitrogen and phosphorus removal method. The method sequentially comprises the following steps of: (1) introducing sewage to be treated into a grille regulating tank through a water inlet pipe; (2) dividing the water after pretreatment by the grille regulating tank into two lines, wherein one line leads to an aeration tank and the other line leads to an anoxic tank; (3) sending the water in the anoxic tank into an aerobic tank; (4) dividing nitrified water after nitrification treatment in the aerobic tank into two lines, wherein one line returns to the anoxic tank, and the other line flows into a precipitation tank to perform mud-water separation; and (5) lifting sludge through a sludge lifting device, transporting the residual sludge to the outside through a sludge discharge pipe after passing through a sludge treatment system, and returning the sludge after lifting into the aeration tank. The method disclosed by the invention is suitable for new and transformation upgrading projects of high-ammonia nitrogen village and small town/industrial sewage treatment works, has the advantages of simplicity and convenience in management and maintenance, low cost, good treatment effects, strong nitrogen removal effect and the like, and is less affected by climatic conditions.

The invention relates to a zero discharge treatment system of high salt wastewater. The zero discharge treatment system comprises a cycle pretreatment unit, a cycle reduction unit and a zero discharge unit, and is characterized in that the cycle pretreatment unit is used for discharging contributing water after reaction of the high salt wastewater and pretreatment agentia to the cycle reduction unit after the contributing water is filtered by a tube-type microstrainer, the cycle reduction unit performs preliminary reduction treatment on the contributing water treated by the cycle pretreatment unit by a reverse osmosis device, and performs deep concentration treatment by a multi-level electrically-driven ionic membrane device composed of at least one electrically-driven ionic membrane device, so as to further perform reduction to separate water in the high salt wastewater to a water tank of fresh water for reuse, a concentrated mixed salt solution obtained by deep concentration is discharged to the zero discharge unit, the zero discharge unit recycles nitrate and sodium salt in the concentrated mixed salt solution by heating, steaming and crystallizing the concentrated mixed salt solution. According to the zero discharge treatment system provided by the invention, the separated final mixed salt accounts for 5 percent or less than 5 percent of the total salt content, the contributing water is completely recycled, and zero discharge of wastewater is realized.

The present invention relates to a neutralizing agent for treating acid waste water produced by cold-rolling process in metallurgical industry and its technological method. The neutralizing agent is a magnesium system material containing soft-burned magnesium powder oversize which is pulverized into 100-140 meshes by using Raymond mill, electrofused magnesium dust-removed ash, soft-burned magnesium powder and MgO whose content is above 40%. Its technological process includes the following steps: 1. supplying waste acid water into pre-aeration pool and executing aeration; 2. supplying the aerated acid water into neutralizing pool; 3. supplying neutralizing agent into neutralizing tower; 4. neutralizing reaction including three modes: mixing and aerating, mechanical mixing and single aeration; 5 advection pool deposition; 6. sludge and water separation treatment. The invention provides a neutralizing agent which can directly generate economic benefit, save investment, use low operation cost, and is simple in device structure, easy in operation management, has broad neutralizing agent source, and uses three waste resources to treat waste, and cancels the new water consume in lime cream and realizes the reuse for reclaimed water a technological method and a device thereof.

The invention discloses an integrated sewage disposal system, comprising a pretreatment device, an anoxic tank, an anaerobic tank, an aerobic tank and a sedimentation tank all of which are orderly communicated with one another, and also comprises a sewage after-treatment device, a sludge treatment device and an oxygen supply device, wherein a sewage inlet is formed behind the pretreatment device; the sedimentation tank is provided with a sludge outlet facility and a water outlet end; the sludge outlet facility of the sedimentation tank is communicated with the feeding end of the sludge treatment device; the water outlet end of the sedimentation tank is communicated with the water inlet end of the sewage after-treatment device; a sludge return channel is arranged between the sedimentation tank and the anoxic tank; the anaerobic tank is connected with the oxygen supply device. In addition, the invention also provides an integrated sewage disposal method. According to the method, the sewage is desanded by the pretreatment device, then orderly enters into the anoxic tank, the anaerobic tank and the aerobic tank for biochemical treatment, and as a result, most of organic matters in the sewage can be removed thoroughly; next, the organic matters and suspended solids SS in the sewage can be removed through the sewage after-treatment device. The system is simple and compact, mature and stable in treatment effect, simple in operation management, low in investment and small in floor area.

The present invention relates to chemical production apparatus, and especially apparatus for co-producing hydrogen and methane with biomass and solid organic waste and through fermentation. The apparatus includes a hydrolysis and acidifying reactor, a hydrogen generating organic acid reactor, methane generating reactor and material pumps connected together. The apparatus can reduce environmental pollution while producing clean energy source material, and has high energy source converting rate.

A chemical for removing pollutants from drinking water contains perferrite, permanganate and assistant. It features strong catalytic oxidizing action for destroying oraganic substances.

The invention discloses a microorganism bacterium agent and a preparation method thereof, and relates to a composite bacterium agent and a preparation method thereof. The composite bacterium agent can be used for efficiently removing a large amount of COD (chemical oxygen demand), ammonia and nitrogen in leather wastewater. The composite bacterium agent is prepared from mycobacterium, microbacterium, acinetobacter, pichia pastoris, lactobacillus, klebsiella oxytoca and a liquid culture medium. The preparation method comprises the following steps of 1, activating the bacteria strains of raw materials; 2, enriching and culturing; 3, mixing the bacterium strains according to a weight ratio, and adding into the liquid culture medium, so as to obtain the composite bacterium agent. The composite bacterium agent has the advantages that the biological activity is high, the growth speed is high, the leather wastewater can be treated under the low temperature condition, the removal rate of organic matter can be obviously increased, the contents of COD, ammonia and nitrogen in the leather wastewater are effectively decreased, and the effect is obvious.

The invention belongs to the field of production and preparation of inorganic functional materials, and particularly relates to a process for preparing single-phase sodalite from fly ash, which comprises the following steps: pretreating fly ash by an alkaline fusion method; proportionally adding the activated fly ash, aluminum hydroxide and sodium hydroxide solution into a polytetrafluoroethyleneinner container, evenly mixing, and carrying out hydrothermal crystallization in a sealed constant-temperature drying oven; and finally, filtering the product, washing until the product becomes neutral, and drying to obtain the single-phase sodalite material. The invention successfully synthesizes the low-cost single-phase sodalite zeolitization material by using solid waste-fly ash as the raw material for production. The process has the advantages of low cost, abundant sources of raw material, controllable product performance, no secondary pollution and the like, is simple and easy to operate, and thus, has great industrial application potential.

The invention relates to an energy storage system based on rail transport. The energy storage system comprises high and low load fields for load parking, a transport track for load transportation, a power transmission line for providing traction power and transmission brake power generation, a traction/brake unit, a load unit, a storage track, a safety track, a control center and a power grid access module. In the invention, by means of combination of energy storage based on electrified track transport and brake power generation, in the case of excess electricity of the system, an electric traction locomotive carries heavy load from a low place to a high place so as to convert electric energy into potential energy for storage; and in the case of high demand of the electricity of the system, brake power generation is performed during the process that the electric locomotive carries the heavy load from the high place to the low place so as to convert the potential energy into the electric energy and transfer the electric energy to a power grid. The energy storage system has the advantages that energy with super-large and controllable volume and high density can be stored, the operation management method is simple, and the energy cycle efficiency is ultrahigh.

The invention discloses Ethernet power supply end equipment as well as a system and method thereof for realizing power supply. The Ethernet power supply equipment comprises two pairs of transformers of a physical-layer port, and a power supply end equipment manager; in addition, a pair of switches is connected between each pair of transformers and the power supply end equipment manager respectively; wherein one switch of each pair of switches is connected between the positive end of the power supply end equipment manager and the central tap of one transformer of each pair of transformers, and the other switch in each pair of switched is connected between the negative end of the power supply end equipment manager and the central tap of the other transformer of each pair of transformers. By means of the invention, the compatibility and the flexibility of the entire POE (Power Over Ethernet) system are improved, power loss on lines is reduced, meanwhile, the operation management by a user is simplified.

The invention discloses a reduction oxidation graphene-trimanganese tetraoxide three-dimensional composite material preparation method, which comprises: mixing a graphene oxide dispersion liquid and a single or mixed metal salt solution, completely mixing the obtained mixture and an amine substance, placing in a high temperature reaction kettle, carrying out a complete reaction at a certain temperature, soaking, and carrying out freeze drying treatment to directly prepare the graphene-metal oxide three-dimensional composite material having a self-supporting structure. According to the present invention, the reduction oxidation graphene-trimanganese tetraoxide three-dimensional composite material prepared through the preparation method can be directly used as the lithium ion battery positive electrode without the additional addition of the electric conduction agent and the binder, and has excellent cycle stability and excellent rate performance.