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

Kitchen waste filtrate treatment equipment and method

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.
Owner:裕英(北京)生物科技有限公司

Flue gas treatment device for domestic refuse incineration

The invention discloses a flue gas treatment device for domestic refuse incineration, which comprises a quick cooling device, a high-temperature dust remover, a plasma device and a chemical cleaning device, wherein the high-temperature dust remover comprises a backflush gas storage tank, a pulse valve, a distributing duct, a cleaned gas chamber and a crude gas chamber; the plasma device comprises a device body, a knife switch, a temperature control device, a blower and a plasma module based on needle-cylinder corona discharge technique. The flue gas treatment device for domestic refuse incineration is reasonable in design; the high-temperature dust remover is used instead of cyclone dust removal and atomization dust removal; and the plasma device is utilized to perform catalytic treatment on dioxin compounds instead of the activated carbon adsorption technique, thereby simplifying the structure, lowering the device cost and reducing the device occupied area. The flue gas treatment device for domestic refuse incineration is safe and reliable to use, avoids secondary pollution and greatly lowers the operating cost, and the dioxin compound reduction and conversion efficiency is up to 81%, thereby achieving the long-term stable effect of discharge after reaching the standard. The treatment flow rate is high; and when the blower speed is 8 m / s, the treated glue gas amount is 73728 cubic meters per hour.
Owner:武汉高特维电气有限公司

Combined type process method and device for cycling filtration, denitrification, dephosphorization and alae killing of polluted surface water

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.
Owner:江河水利开发中心有限责任公司

Heavy-metal-containing wastewater treatment and recovery method and device

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.
Owner:EAST CHINA UNIV OF SCI & TECH

Precipitation device for three-phase sewage separation

The invention discloses a precipitation device for three-phase sewage separation. The precipitation device comprises an enclosure piece, a mud and water separation component, a degassing system, a water distribution channel, a water distribution tank, a collection and drainage tank and a mud bucket, wherein the mud and water separation component is an inclined plate group or pipe group; the mud bucket is positioned below the mud and water separation component and is communicated with the mud and water separation component; a mud outlet of the mud bucket can be opened. According to the precipitation device, gas is separated from the sewage through the degassing system, the residual sewage is subjected to the mud and water separation through the inclined plate group or pipe group, water is drained through the collection and drainage tank, and mud drops out of the mud outlet of the mud bucket. Because the muddy water separation component is the inclined plate group or pipe group, the total flow area is far larger than that of a narrow slit of a three-phase separator, and the sewage treatment flow of an anaerobic reactor is increased through the precipitation device at the same mud and water raising flow velocity; moreover, the precipitation device can precipitate in the aerobic activated sludge process treatment, and a precipitation unit is not required to be additionally arranged; and therefore, the occupied area is reduced, power equipment is not required to be subjected to sludge recycle, and the cost and the energy consumption are reduced.
Owner:OUJI SHANGHAI ENVIRONMENTAL PROTECTION TECH +2

Novel quartz sand filter

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.
Owner:王天海

Automatic energy adaptive type water-mist H2O2 synthesis method based on absorbance monitoring and rod-like array

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.
Owner:HOHAI UNIV CHANGZHOU

Land mobile suspended-matter-water separation and concentration equipment

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.
Owner:NANJING INST OF GEOGRAPHY & LIMNOLOGY

Device for synthesizing hydrogen peroxide through direct-current corona discharge water mist and method

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.
Owner:HOHAI UNIV CHANGZHOU

Large-air-volume low-concentration plasma exhaust gas treatment device

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.
Owner:中维环保科技有限公司

Spraying tower

PendingCN111450691AImprove dust removal and purification effectContact mix evenlyUsing liquid separation agentDust controlSpray tower
The invention discloses a spraying tower. The spraying tower comprises a tower body, an air inlet is formed in the lower part of the tower body, an air outlet is formed in the top of the tower body, aspraying layer is arranged in the tower body, an air flow distribution layer is arranged below the spraying layer, the air flow distribution layer comprises a rotational flow plate and a partition plate layer along the cross section of the tower body, a plurality of through holes are formed in the partition plate layer, and the rotational flow plate is arranged at the through holes. According tothe spraying tower disclosed by the invention, gas-liquid mixing treatment is carried out at the same time through the cyclone plates arranged in parallel in the cross section direction of the tower body, so that the distribution uniformity of gas flow in the cross section direction of the tower body can be improved, the gas flow and liquid are more fully and uniformly mixed and contacted, and thedust removal and purification effects on gas are improved.
Owner:MEISHAN LIDAHUARUI MACHINERY CO LTD

Vertical radial-flow adsorber

The invention discloses a vertical radial-flow adsorber. The adsorber comprises an air inlet pipe, a tank body, a spherical crown seal head, an outer cylindrical screen, a middle cylindrical screen, an inner cylindrical screen, a central flow channel distributor, a first adsorbent bed, a second adsorbent bed, an exhaust pipe, a discharge port, two feeding / discharging ports, a manhole and bearing channel steel, wherein the central flow channel distributor is located in the cavity of the inner cylindrical screen and is composed of a hollow cylinder, a porous hollow cylinder and a solid truncated cone with equal diameters. With such a structure, unfavorable influence of the height of the adsorbent beds on uniform distribution of a flow field can be reduced, and the maximum design height of the vertical radial-flow adsorber can be greatly increased. The adsorber designed in the invention has the advantages of small land occupation, low energy consumption, high flow field uniformity and the like under the condition of same treatment capacity.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1

Gas and solid powder/particle mixture separator

InactiveCN101147892ASeparation does not affectHandle heavy trafficRotary centrifugesPowder mixtureEngineering
The present invention relates to a gas and solid powder mixture separator. Said separator includes the following several portions: machine frame, external shell, mixture separation rotor, blower fan and powder granules discharge devices. Said invention also provides the concrete structure of above-mentioned every portion, and also provides the working principle of said gas and solid powder separator and its concrete operation method.
Owner:陈其林

Air-flotation swirling flow contactor and air-flotation swirling flow system

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.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Ecological breeding pond for shrimp and vegetable crop rotation

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.
Owner:慈溪市龙武渔业专业合作社

Air purification system with high blast capacity

The invention discloses an air purification system with high blast capacity. The system comprises an air inlet filter tank provided with a top channel at the lower end, an electric induction device arranged on the bottom of an air return channel in a transverse covering mode, an electrical charge dust collection device arranged in the air return channel at the upper end of the electric induction device, an electrostatic dust removal device transversely arranged at one end of the top channel, a first returned air filter and a second returned air filter, wherein the outlet end of the electrical charge dust collection device is communicated with the inlet end of the electrostatic dust removal device, and the outlet end of the electrostatic dust removal device is communicated with the outlet end of the air inlet filter tank. The technical problem of poor purified air blast capacity is solved.
Owner:苏州艾尔新净化科技有限公司

Hydrogen peroxide synthesis apparatus through photoelectric detection rod array automatic energy adapted with water mist

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.
Owner:HOHAI UNIV CHANGZHOU

A sedimentation device for three-phase separation of sewage

The invention discloses a precipitation device for three-phase sewage separation. The precipitation device comprises an enclosure piece, a mud and water separation component, a degassing system, a water distribution channel, a water distribution tank, a collection and drainage tank and a mud bucket, wherein the mud and water separation component is an inclined plate group or pipe group; the mud bucket is positioned below the mud and water separation component and is communicated with the mud and water separation component; a mud outlet of the mud bucket can be opened. According to the precipitation device, gas is separated from the sewage through the degassing system, the residual sewage is subjected to the mud and water separation through the inclined plate group or pipe group, water is drained through the collection and drainage tank, and mud drops out of the mud outlet of the mud bucket. Because the muddy water separation component is the inclined plate group or pipe group, the total flow area is far larger than that of a narrow slit of a three-phase separator, and the sewage treatment flow of an anaerobic reactor is increased through the precipitation device at the same mud and water raising flow velocity; moreover, the precipitation device can precipitate in the aerobic activated sludge process treatment, and a precipitation unit is not required to be additionally arranged; and therefore, the occupied area is reduced, power equipment is not required to be subjected to sludge recycle, and the cost and the energy consumption are reduced.
Owner:OUJI SHANGHAI ENVIRONMENTAL PROTECTION TECH +2

Device and method for synthesizing hydrogen peroxide from water mist by direct current corona discharge

The invention discloses a device and method for synthesizing hydrogen peroxide from water mist by DC corona discharge. The device includes a gas-liquid inlet control unit, a gas-liquid mixing generation unit, a high-voltage excitation unit, a gas-liquid separation unit, 2 and O 3 Separation unit, O 2 cycle unit, H 2 o 2 A separation unit, a control unit, a pressure sensor for measuring the gas-liquid pressure, and a flow sensor for measuring the gas-liquid flow rate; the present invention adopts a line-array type high-voltage DC corona discharge to establish a non-equilibrium plasma in the water mist spray The treatment system uses nozzles to spray water mist jets, which has a wide diffusion area and a large treatment flow rate; due to the simple fabrication of the line array reactor, it can reduce its own capacitance and reduce energy loss, and its large discharge area can be applied to large flow production , and adopts corona discharge, low current and low power consumption. The raw materials for producing hydrogen peroxide in the present invention are easy to obtain and the yield is high. Therefore, the present invention is suitable for large-scale production of hydrogen peroxide.
Owner:HOHAI UNIV CHANGZHOU

A high-efficiency treatment system and treatment method for uranium-containing wastewater

The invention relates to the technical field of water treatment application, and provides a high-efficiency treatment system for uranium-containing wastewater, which comprises a chelating agent addition pool, a pH adjustment pool, an electrolysis pool and a sedimentation pool, which are sequentially connected to each other. The system can effectively remove uranium in wastewater, and the system occupies a small area and is easy to operate. The invention also provides a high-efficiency treatment method for uranium-containing wastewater implemented by the high-efficiency treatment system for uranium-containing wastewater provided by the invention. It has high removal efficiency for uranium, flexible use, large processing flow rate, and is not easy to cause secondary pollution.
Owner:EAST CHINA UNIV OF TECH

Steam reflux type device for petrochemical filtration

The invention relates to the technical field of filtration equipment, in particular to a steam reflux type device for petrochemical filtration. The device comprises a safety valve, an emptying valve and a top cover, wherein the safety valve and the emptying valve are arranged on one side of the upper part of the top cover, and the safety valve and the emptying valve are connected with the top cover in a through-connection mode; an adjusting arm is arranged in the middle of the upper part of the top cover, the top cover is connected with the adjusting arm in a welding mode, and a lifting columnand a limiting sleeve are installed on the lower portion of one side of the adjusting arm, the lifting column is connected with the adjusting arm through the limiting sleeve in a through-connection mode; an uncovering seat is arranged at the lower part of one side of the device body, and the uncovering seat is connected with the device body in a welding mode. According to the invention, the structure is improved, and compared with the prior art, the device has the advantages of being excellent in structural design, high in filtering precision and large in equipment processing capacity, and the problems and the defects in the prior art are solved, so that the device has more inventiveness.
Owner:惠州永笙精密模具制品有限公司

A Fractional Separation Extraction Equipment

The invention discloses a fractionation extraction equipment, which comprises a core shell, an extraction core, a light liquid tank, a heavy liquid inlet, a light liquid inlet, a light liquid outlet and a heavy liquid outlet, the lower end of the extraction core is inserted into the light liquid tank, and the light liquid The liquid tank is a closed box. The upper surface of the light liquid tank has a light liquid inlet to the outside, and the lower surface of the light liquid tank has a heavy liquid outlet to the outside. The upper end of the extraction core is respectively equipped with a heavy liquid inlet and a light liquid outlet. The core shell and the extraction core provide descending and ascending mixing channels for heavy liquid and light liquid. The up and down flow process is the mixed extraction process. The heavy liquid flows downwards to squeeze the light liquid upwards. During the process of the heavy liquid flowing downwards, the concentration of the extract is getting higher and higher. Even more effective is the depth optimization of fractional extraction. The extraction core body includes several extraction unit columns stacked up and down, and the extraction unit column includes a core barrel, a float assembly, a supporting plate and a float frame.
Owner:山东健通生物科技有限公司

Online tobacco steam expanding apparatus and tobacco stem treating method using the same

InactiveCN100577041CSave energyWorking air pressure is stableTobacco treatmentEngineeringSuperheated steam
The present invention discloses one kind of continuous tobacco stem expanding saturated or overheat steam apparatus and its tobacco stem treating process before cutting shreds. The online tobacco stem expanding apparatus includes a feeding bin; a discharging bin; and a pressure treating bin with an inside auger delivery device, several steam nozzles and pneumatic steam locks separately set in the inlet and the outlet. The apparatus has no need of evacuating steam inside the pressure treating bin before feeding material, can realize the online continuous treatment of tobacco stem material, and has high treating efficiency and low steam consumption. The tobacco stem treating process before cutting shreds with the said apparatus is simple and has no step of cutting the screened long tobacco stem.
Owner:ZHISI HLDG GRP

Air flotation cyclone contactor and air flotation cyclone system

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.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Air purification system with high air volume

The invention discloses an air purification system with high blast capacity. The system comprises an air inlet filter tank provided with a top channel at the lower end, an electric induction device arranged on the bottom of an air return channel in a transverse covering mode, an electrical charge dust collection device arranged in the air return channel at the upper end of the electric induction device, an electrostatic dust removal device transversely arranged at one end of the top channel, a first returned air filter and a second returned air filter, wherein the outlet end of the electrical charge dust collection device is communicated with the inlet end of the electrostatic dust removal device, and the outlet end of the electrostatic dust removal device is communicated with the outlet end of the air inlet filter tank. The technical problem of poor purified air blast capacity is solved.
Owner:苏州艾尔新净化科技有限公司

Pure-countercurrent cellular plate-pin heat exchanger and combination thereof

The invention discloses a pure-countercurrent cellular plate-pin heat exchanger and a combination thereof. The heat exchanger comprises a cellular heat exchange unit body, a flow channels A and flow channels B which are for different fluids are arranged in the cellular heat exchange unit body and staggered in a way that the planes wherein the flow channels A and flow channels B are located are parallel, one end of each flow channel B is provided with a fluid inlet and the other end of each flow channel B is provided with a fluid outlet, each flow channel A comprises a longitudinal flow channel parallel to the flow channels B, one end of each longitudinal flow channel is connected with an inlet on the upper left of heat exchange unit body through transverse distributive channels, and the other end of each longitudinal flow channel is connected with an outlet on the lower right of heat exchange unit body through transverse converge channels. The invention further provides a combination of the pure-countercurrent cellular plate-pin heat exchanger. The pure-countercurrent cellular plate-pin heat exchanger and the combination thereof are simple in structure, low in production cost, low in resistance, high in processing flow and high in heat exchange efficiency, and uniform distribution can be realized.
Owner:JIANGSU TONGSHENG HEAT EXCHANGER

Design and parameter control method of pulse corona discharge water mist synthesis hydrogen peroxide device

The invention discloses a design and parameter regulation method for a pulse corona discharge water mist H2O2 synthesizing apparatus which includes: a gas and liquid inlet control unit, a gas and liquid mixing and generation unit, a high voltage excitation unit, a gas and liquid separation unit, an oxygen / ozone separation unit, an oxygen circulating unit, a H2O2 separation unit, an absorbance detection unit, a data collection and control unit, and a pressure sensor which is used for measuring gas and liquid pressures and a flow sensor which is used for measuring gas and liquid flow rates. IN the apparatus, by means of line-line array-type high voltage pulse corona discharge, an optimal discharge environment is adjusted by means of regulation on electrical parameters, so that a non-balanceplasma processing system is established in a water mist spray; water mist jet flow is sprayed by a nozzle, so that diffusion area is large and processing flow rate is high. Because the linear array-type reactor is easy to produce, self-capacitance is reduced and energy consumption and loss is reduced. The method is suitable for large-scale production of the H2O2.
Owner:HOHAI UNIV CHANGZHOU
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