42results about How to "Handle heavy traffic" patented technology

The invention discloses kitchen waste filtrate treatment equipment and method. The treatment method comprises the steps that the kitchen filtrate firstly enters an oil separation tank used for separating oil substances from water substances; the water after separation is converged into a regulating tank and the water quality and quantity are regulated; the effluent enters a reaction tank, PAC (polyaluminium chloride) and PAM (polyacrylamide) are added to the effluent, so that fine particles in the water form a plenty of alum flocs, and then the alum flocs precipitate to be separated in a precipitation tank, thus removing most oil and scum; the effluent from the precipitation tank automatically flows into a neutralization tank, the pH value is regulated to neutral and then the effluent enters a pressure dissolved air floatation tank used for removing the scum formed by the flocculated suspended matter particles or oil particles brought on the water surface from the wastewater; then the pollutants such as organic matters, ammonia nitrogen and the like are removed by the pretreatment+anaerobic+aerobic precipitation+sand filtration technology of an exclusively added backflow sludge contact reactor; finally the wastewater reaches discharge standard.

The invention relates to a combined type device for cycling filtration, denitrification, dephosphorization and alae killing of polluted surface water. The device comprises a coagulation settling pond, a volcanic filter material filter reactor, a compound inorganic filter material filter reactor, an ozone contact pool and an activated carbon filter reactor. The method for purifying water quality by using the device is as follows: pumping the polluted surface water into the high-level coagulation settling pond, and removing most suspended matters and phosphorus as well as partial organic matters and alae substances under the action of coagulant; feeding the supernate in the coagulation settling pond into the volcanic filter material filter reactor so as to remove the partial organic mattersand nitrogen compounds; subsequently, entering treatment liquid into the compound inorganic filter material filter so as to remove the partial alae substances; feeding effluent into the ozone contactpool, thereby completing the processes of lysising algae cell by the ozone and killing the alae; after oxidation, feeding the treatment liquid into the activated carbon filter reactor so as to removesuspended matters, organic pollutants and nitrogen compounds; and directly feeding the effluent into a natural water system and/or a clear water reservoir. Thus, the purification treatment of the polluted water source can be achieved through reciprocating cycling filtration.

The invention relates to a heavy-metal-containing wastewater treatment and recovery method and device, and provides a heavy-metal-containing wastewater treatment and recovery method. The method comprises the following steps: (a) respectively sending adsorption granules and a heavy-metal-containing wastewater raw material into a mixing device, and mixing, wherein the mixing and adsorption are performed at the same time; (b) carrying out hydraulic cyclone on the heavy-metal-containing wastewater which is uniformly mixed with the adsorption granules to enhance the adsorption action of the adsorption granules, and pre-separating the adsorption granules and heavy-metal-containing wastewater; and (c) returning the pre-separated adsorption granules into the mixing device so as to be mixed with the heavy-metal-containing wastewater raw material, filtering the pre-separated heavy-metal-containing wastewater to further separate the adsorption granules in the heavy-metal-containing wastewater, returning the adsorption granules subjected to further separation into the mixing device so as to be mixed with the heavy-metal-containing wastewater raw material, meanwhile, discharging the filtered heavy-metal-containing wastewater, and sending to the subsequent technique for recovery. The invention also provides a heavy-metal-containing wastewater treatment and recovery device.

The invention provides a novel quartz sand filter, which belongs to the technical field of the papermaking industry. A filter layer of the quartz sand filter employs a quartz sand and pebble layer, the quartz sand filter is integrally pressure type filtering purifying equipment, the filter can remove suspended solids in water, silt is intercepted by a sand filter blanket, and thus, raw water is purified. The quartz sand filter is composed of a filter body (2), filter material layers, a feed inlet and an air vent. The upper and lower ends of the filter body (2) are provided with arched perforated plates (15), the outer sides of the arched perforated plates (15) are respectively provided with sealing heads (1) for assembling the filter body (2) and the arched perforated plates together, and the middle parts of the arched perforated plates (15) are filled with the filter material layers; the filter material layer is composed of a pebble layer and a quartz sand layer. The quartz sand filter provided by the invention can effectively remove suspended solids in water and has small filtration resistance, strong acid and alkali resistance and resistance to oxidation, which is beneficial for ensuring the quality of effluent under a variety of operation conditions; a filter material fully disperses during backwashing, and a good cleaning effect is obtained; and the quartz sand filter has the advantages of a wide application scope and a simple structure.

The invention discloses an automatic energy adaptive type water-mist H2O2 synthesis method based on absorbance monitoring and a rod-like array. The device comprises a gas-liquid inlet control unit, anO2 circulation unit, a H2O2 generation unit, a data acquisition and control unit, an O2-O3 separation unit, a high-voltage excitation unit, a gas-liquid separation unit, an absorbance detection unit,an H2O2 separation unit, an O3 storage, an H2O2 storage and a solution storage; a non-equilibrium plasma processing system is established in water mist spray by regulating electric parameters and regulating the optimal discharge environment, a spray nozzle is adopted to spray water mist jet flow, the diffusion zone is large, processing flow is high, and due to simple manufacture of a rod-like array reactor, self-capacitance can be reduced, energy loss can be reduced, and a large-area discharge zone is applicable to high-flow production. Raw materials for preparing H2O2 by the device comprisea NaCl solution and O2 and are easy to obtain, and yield is high.

This invention relates to one-way extraction of short messages based on MAP layer protocol, which obtains signaling from the link interface of the signaling by a signaling switch equipment, the signaling is analyzed by the bottom protocol and arrives at the MAP protocol layer to realize one-way extraction of short messages.

The invention discloses land mobile suspended-matter-water separation and concentration equipment. The equipment comprises a main frame, a water inlet section, primary filtration components, a flow-diversion water-discharge component, secondary filtration components and a secondary filtration installation frame; and the water inlet section, the primary filtration components, the flow-diversion water-discharge component and the secondary filtration installation frame are installed in the main frame, the water outlet of the water inlet section is located above the primary filtration components,the flow-diversion water-discharge component is located below the primary filtration components, the secondary filtration components are installed on the secondary filtration installation frame, and the flow-diversion water-discharge component is connected with the secondary filtration components through pipelines. According to the invention, each filtration component includes one filter screen and one corrugated board, an included angle between primary filtration components and the horizontal plane is different from an included angle between the secondary filtration components and the horizontal plane, so that large-flow primary concentration and high-precision secondary concentration are respectively realized; a plurality of groups of primary filtration components are arranged in parallel, and a plurality of groups of secondary filtration components are arranged in parallel, so that the equipment has a compact structure; a large number of lightweight aluminum alloy materials are used, so that the equipment is light and convenient; and the main frame is provided with hanging lugs, and the whole is integrated, so that the equipment has good maneuverability and is convenient to moveand transport.

The invention discloses a device for synthesizing hydrogen peroxide through direct-current corona discharge water mist and a method. The device comprises a gas-liquid inlet control unit, a gas-liquidmixing generation unit, a high-voltage exciting unit, a gas-liquid separating unit, an O2-O3 separating unit, an O2 circulating unit, an H2O2 separating unit, a control unit, a pressure sensor and a flow sensor, wherein the pressure sensor is used for measuring gas-liquid pressure, and the flow sensor is used for measuring gas-liquid flow. According to the device and the method, by adopting line-to-line array type high-voltage direct-current corona discharge, a nonequilibrium plasma treatment system is established in water mist spraying; through spraying water mist jet flow by adopting a spraynozzle, the diffusion area is wide, and the treatment flow rate is high; a line-to-line array type reactor is simple to manufacture, the self-capacitance can be reduced, the energy loss can be reduced, and a large-area discharge area is applicable to high-flow-rate production; by adopting corona discharge, the electric current is low, and the power consumption is low; raw materials for preparingthe hydrogen peroxide are easily obtained, and the yield is high, so that the device and the method are applicable to large-scale preparation of the hydrogen peroxide.

The invention discloses a large-air-volume low-concentration plasma exhaust gas treatment device comprising a plasma shell, wherein an air inlet and an air outlet are arranged on the plasma shell; a plurality of plasma generators are arranged in at least one cross section of the cavity of the plasma shell; the plasma generators in the same cross section are connected with each other; the plasma generators are vertical to the air inlet and comprise insulating bases; air flow uniform grids are connected at the front and rear parts of the bases; a plurality layers of wire electrodes and a plurality of plate electrodes are vertically connected between the left and right plates in the cavities of the bases from top to bottom; the plate electrodes as well as the plate electrodes and the layers of wire electrodes are parallel to each other; each plate electrode is in interleave arrangement with each layer of wire electrodes and has equal space with adjacent wire electrodes; each layer of wire electrodes are uniformly arranged at intervals; each plate electrode and wire electrode are respectively connected with an outgoing wire; and the outgoing wires are respectively connected with the ground terminal and the high voltage terminal of a high voltage alternating current power supply. The large-air-volume low-concentration plasma exhaust gas treatment device disclosed by the invention is capable of obtaining relatively high gas treatment flow, maintaining high-density large-area plasma, discharging in a stable state and improving the treatment efficiency.

An air-flotation swirling flow contactor and an air-flotation swirling flow system belong to the technical field of air floatation separation. The contactor is characterized by comprising a conical barrel (1), and the side wall of the conical barrel (1) is connected to a tangentially-arranged liquid inlet pipe (5); the top of the conical barrel (1) is provided with an air outlet (2), and the bottom is provided with a liquid outlet pipe (6); and the outer end part of the liquid inlet pipe (5) is provided with two branch pipes. According to the technical scheme, a swirling flow way is used to mix gas-dissolved water and sewage together, the mixed liquid makes low-intensity swirling motion in the contactor, and collision between bubbles and suspended particles is caused because of the movement of the suspended particles and the bubbles and change of a streamline, so that the inertial collision and the centrifugal sedimentation collision of the bubbles and suspended matters are effectivelyenhanced, the contacting effect of the bubbles and the suspended matters is promoted, the separation effect of air floatation is improved, and the handling capacity is substantially improved.

The invention discloses an ecological breeding pond for shrimp and vegetable crop rotation. The ecological breeding pond comprises a settling pond, a filtering pond, a purifying pond, a breeding pondand an oxygen increasing device. A grid is installed between the settling pond and the breeding pond; a water pump is installed between the purifying pond and the breeding pond; the filtering pond isinstalled between the settling pond and the purifying pond; a high water opening is form between the settling pond and the filtering pond; a low water opening is form between the filtering pond and the purifying pond; the oxygen increasing device is located at the water outlet of the water pump; the purifying pond is provided with an external water pipe; a sludge layer with the thickness of 0.2-0.4 meters is installed at the bottom of the breeding pond; the pond bank slope ratio of the breeding pond is 1:2.5. On one hand, the characteristic of strong fertilizer absorption ability of vegetablesof broccoli, potherb mustard, brassica juncea var.tumida and the like is used to hardening sludge and to reduce organic materials in the pond, and on the other hand, residue leaves after growing period of the vegetables are used to provide an excellent condition for the growth of South America white shrimps; meanwhile, the vegetables of the broccoli, the potherb mustard, the brassica juncea var.tumida and the like greatly improve output effect of the pond. Not only is the land utilization efficiency improved, but also the output effect of unit area farmland is greatly improved.

The invention discloses a hydrogen peroxide synthesis apparatus through photoelectric detection rod array automatic energy adapted with water mist, which is characterized in that hydrogen peroxide issynthesized based on a single-stage cycle medium for blocking the discharge water mist. The hydrogen peroxide synthesis apparatus comprises a gas-liquid inlet control unit, an O2 cycle unit, a hydrogen peroxide generation unit, a data acquisition and control unit, an O2-O3 separating unit, a high-voltage excitation unit, a gas-liquid separation unit, a H2O2 separating unit, an O3 reservoir, a H2O2reservoir, and a solution memory; the rod array high-voltage pulse medium is employed for blocking discharge, through regulation and control of electric, optimum discharge environment is adjusted, production of a rod array reactor is simple, self capacitance is reduced, energy consumption loss is reduced, and a large-area discharge area is suitable for bulk flow production. The apparatus takes asodium chloride solution and oxygen as raw materials for preparing hydrogen peroxide, acquisition is easy, yield is high, and the apparatus is suitable for large-scale preparation of hydrogen peroxide.