65results about How to "Reduce the content of particulate matter" patented technology

This invention discloses a method for producing biodiesel oil, phospholipid and glycerol from waste plant oil. The method comprises: (1) extracting the raw material to separate phospholipid, neutral oil and soap; (2) performing interesterification on neutral oil to obtain biodiesel oil and glycerol; (3) acidifying and esterifying the soap to obtain biodiesel oil. The method has such advantages as short reaction time, simple process, high conversion rate of biodiesel oil, low energy consumption, easy recovery of the products, and no pollution. The produced biodiesel oil can satisfy the international DIN V 51.606 standard and China 2# diesel oil standard. The method utilizes waste plant oil to produce biodiesel oil, thus largely reduces the cost and is suitable for mass production.

The invention discloses a waste plastic granulation waste gas treatment method. The waste plastic granulation waste gas treatment method comprises the following steps: delivering waste gas to a spraytower and washing the waste gas in a spraying manner; delivering the waste gas washed in the sprayer manner to a demister and carrying out demisting treatment on the waste gas; delivering the demistedwaste gas to an oil fume purifier and carrying out oil removal treatment on the waste gas; delivering the waste gas subjected to oil removal treatment to a low-temperature plasma waste gas treatmentdevice and carrying out purification treatment on the waste gas; and feeding the purified waste gas into an activated carbon absorption tower and carrying out adsorption treatment. The treatment process is mature, the running cost is low, plastic granulation waste gas can be treated deeply, a multi-layered treatment effect is achieved, residual small-particle water-soluble substances in the wastegas can be removed, organic macromolecules in the waste gas can be split through the low-temperature plasma waste gas treatment device, the particulate matter content of the treated waste gas is low,and the waste gas is degraded into stable and pollution-free compounds to be discharged.

The invention discloses equipment applied to air sterilization and purification and an achievement method thereof. The equipment comprises a mounting base. The two sides of the mounting base are both fixedly provided with extension stabilizing plates. The middles of the extension stabilizing plates are fixedly provided with fixing screws. A box is fixedly mounted at the top of the mounting base. The right side of the box is provided with an air inlet located above the mounting base. A suction fan with an air outlet communicating with the air inlet is fixedly mounted on the right side wall of an inner cavity of the box. The left side of the suction fan communicates with an air passing pipeline located in the inner cavity of the box. The left side of the air passing pipeline is fixedly provided with an air passing pipeline sealing mounting block located on the left side wall of the inner cavity of the box. The top of the air passing pipeline communicates with an air outlet pipeline located in the inner cavity of the box. By adoption of the equipment applied to air sterilization and purification, air can be effectively enabled to be blown towards the treatment part, the advantage of high sterilization efficiency is achieved, and particulate matter and peculiar smell in the air can be effectively filtered to enable the air to be more suitable for the human body.

The invention provides a ship waste gas desulfurization system. The ship waste gas desulfurization system comprises a filtering oxidization device and a washing tower, wherein the filtering oxidization device comprises a waste gas filtering structure provided with an oxidant; a gas inlet of the filtering oxidization device is connected with an exhausting opening of a diesel engine through a firstpipeline; the washing tower is provided with a washing liquid spraying nozzle, a desulfurization waste gas outlet and a washing wastewater outlet; a gas inlet of the washing tower is connected with anexhausting opening of the filtering oxidization device; the washing liquid spraying nozzle is connected with a washing liquid supply system. According to the ship waste gas desulfurization system provided by the invention, the filtering oxidization device is arranged in front of the washing tower, part of particles in waste gas are removed through the filtering oxidization device and SO2 is oxidized into SO3; the desulfurization efficiency of the washing tower can be improved and a wastewater treatment flow is simplified.

A fluidized catalyst stripping unit for displacing entrained gas from catalyst particles comprising: a vessel housing a two stage cyclonic separation section which comprises one or more primary cyclonic separation devices and one or more secondary cyclones; a stripping section which comprises internals; and an inlet in fluid communication with a catalytic reactor to feed a particulate-fluid suspension to the two stage cyclonic separation section; wherein each primary cyclonic separation device comprises an internal cylindrical surface to separate a major fraction of the particulates from the suspension and form a vortex of reduced particulate content; a particulate discharge outlet from each secondary cyclone to the stripping section; wherein the particulate discharge outlet of the secondary cyclone is submerged in a catalyst bed located above the stripper internals, and wherein the stripping section comprises one or more bubble breaking grids within the catalyst bed and above the stripping internals is provided.

The invention provides a flue gas purifying and treating apparatus. The apparatus comprises a purification tower and a power supply which is positioned at the outer side of the purification tower, thepurification tower is opened with a flue gas inlet and a flue gas outlet, the flue gas inlet is positioned at the lower part of the purification tower, and the flue gas outlet is at the top of the purification tower; the upper part of the purification tower is provided with an ultra-cleaning section, and the ultra-cleaning section comprises a substrate which is positioned in the ultra-cleaning section, multiple anode plates and multiple cathode wires which are fixed on the substrate, multiple cathode wires are uniformly distributed between multiple anode plates, the anode plates and a cathodeof the power supply are connected, the cathode wires and an anode of the power supply are connected; multiple back flushing nozzles are arranged above and/or below the substrate. The flue gas purifying and the treating apparatus is provided with the ultra-cleaning section which is above a spraying section and comprises anode plates and cathode plates, a hygroscopic solution is used for flushing,content of flue gas dust and particles are further reduced before wet type electric precipitation, and at the same time, waste heat of the flue gas is recovered, and purposes of deep purification of flue gas and waste heat recovery are realized.

The invention discloses an online treatment system with a particle separation and sedimentation device. The online treatment system comprises an online treatment tank, wherein a particle separation and sedimentation device is arranged in the online treatment tank and comprises at least two baffle walls, the baffle walls are oppositely arranged at the bottom of the online treatment tank and extendtowards the upper end of the online treatment tank, and a support framework is arranged at the upper ends of the baffle walls; a filter screen is distributed on the support framework to form a semi-closed cavity facing towards one end of the water inlet pipe of the online treatment tank, the semi-closed cavity has an opening and is used for filtering and settling rainwater entering the online treatment tank. According to the online treatment system, the rainwater is pretreated by virtue of the combination of gravity settling and the filter screen, floating objects and greasy dirt in the rainwater are intercepted and are collected into the filter screen, particulate matters in the rainwater are blocked by virtue of the baffle walls and are settled at the bottom of a cavity between the baffles, and finally water flowing out from a water outlet pipe does not contain floating objects, is low in particle content and is relatively clean, so that the pollution of a water body is prevented.

The invention discloses a falling film washing system realizing ultralow emission of coal-fired power plant desulfurated tail gas and a technology thereof. The washing system comprises an absorbing section, an automatic circulation suction liquid bath, a special plate group demister matched with the absorbing section and a falling film washing section matched with the special plate group demister. The washing technology includes the steps that 1, flue gas enters the absorbing section and then makes contact with an absorbent; 2, most liquid drops with the large particle size and smoke dust in the flue gas are removed by the automatic circulation suction liquid bath to obtain new flue gas, then the flue gas is input into the absorbing section again; 3, the flue gas is conveyed to the special plate group demister through the absorbing section, and liquid drops with the diameter being 10 micrometers or above in the flue gas are removed by the special plate group demister; 4, impurities continue to be removed by the falling film washing section. Top space of an existing desulfuration tower and site space are fully used, separation efficiency and accuracy are improved, and the content of particulate matter in the wet desulfurization tail gas is reduced to the ultralow emission level.

The invention belongs to the technical field of drilling machines, and particularly relates to a drilling machine for exploration engineering. The drilling machine comprises a rack, a cutterhead and alocking module; two electric push rods are mounted at the top of the inner side of the rack, and the bottom ends of the two electric push rods are fixedly connected with a motor connecting seat; a first motor is mounted at the bottom of the motor connecting seat and is in transmission connection with the cutterhead through a rotary shaft; the inner side of the cutterhead is rotationally connectedwith two lead screws which are arranged up and down in a cross-shaped mode; a second motor is mounted on the inner side of the cutterhead, and four sets of sliding grooves are formed in the positions, corresponding to the two lead screws, on the cutterhead; the second motor is in transmission connection with the corresponding lead screw; the two ends of the lead screws are provided with connecting blocks correspondingly; the lead screws are used for driving the connecting blocks to move, and an arc-shaped elastic plate is fixedly connected between any two adjacent sets of connecting blocks; and sliding blocks are arranged in the sliding grooves, and the bottom ends of the sliding blocks are fixedly connected with a cutter. Drill holes with different sizes can be drilled, the drilling efficiency is improved effectively, water mist dust removal is utilized, and thus the dust removal efficiency is improved.

The invention discloses a microparticle sound absorbing atomization device. The device comprises a casing, wherein an atomization container user for enabling a liquid to be atomized is arranged in thecasing; an ultrasonic emitter is arranged at the bottom of the atomization container; a sealing cover is arranged at the top of the casing; an exhaust vent is formed in the top of the sealing cover;the exhaust vent is connected with a separator through an exhaust pipe. The device can produce small mist which is convenient for people to absorb, and can reduce the noise and improve the user experience and comfort level by being provided with a sound absorbing device.

The invention discloses handheld drillable polishing, dust-removing and dust-falling equipment. The handheld drillable polishing, dust-removing and dust-falling equipment comprises a handheld shell, wherein a motor cavity is formed in the handheld shell, four water spraying shells distributed in an annular array mode are fixedly connected to the inner wall of the motor cavity, a motor is fixedly connected to the lower ends of the water spraying shells, and an output shaft is in power connection to the lower end of the motor; and a driving belt wheel is fixedly connected to the periphery of the output shaft, a driven belt wheel is arranged on the right side of the driving belt wheel, a transverse belt is connected between the driven belt wheel and the driving belt wheel, a vertical rotating shaft is fixedly connected to the upper end of the driven belt wheel, and a transverse support is rotationally connected to the periphery of the vertical rotating shaft. According to the equipment, polishing treatment can be performed near a drilled hole while drilling is performed, so that barbs are reduced, the equipment can also be used as a polishing machine, polished dust can be collected, water can be sprayed to perform dust falling on raised dust, the content of particulate matter in air is reduced, and the morbidity of respiratory diseases is reduced.

The invention discloses a boiler fume particulate matter purification device and method and belongs to the technical field of boiler equipment. The device and method are used for purification of boiler fume. According to the technical scheme, the purification device is composed of an upper tower body and a lower tower body, a central pipe is installed in the lower tower body for sprinkling, partial particles in fume are removed, multiple rotational flow cylinders are installed on the upper tower body, and remaining fume particles are removed. The device has the advantages of being simple in structure, convenient to install, small in size and capable of well adapting to the characteristics of the fume of biomass boilers and is novel equipment for fume purification of existing biomass boilers. The device is an innovation for fume purification treatment of the boilers, a wet dedusting mode is combined with a dry dedusting mode, a gas-phase, liquid-phase and solid-phase adhesion principleand an inertial dedusting principle are utilized, a design mode in which the fume is treated by means of a wet pre-dedusting mode and then treated by means of a rotational flow deep purification dedusting mode is adopted, the content of particulate matter in the fume which is discharged outwards is reduced to a great extent finally, and the problem of emission of pollutants in the fume of the biomass boilers is well solved.

The invention belongs to the technical field of electrostatic prevention, and particularly relates to an anti-static floor convenient to install. The anti-static floor comprises an anti-static floor body, a supporting bottom plate, an adjusting base, a dust removal module, an anti-static module, a fixing module and a controller; the multiple adjusting bases are arranged on the ground in a rectangular array mode; the supporting bottom plate is installed on the adjusting base; the anti-static floor body is arranged at the top of the supporting bottom plate; and a buffer module is arranged between the supporting bottom plate and the anti-static floor body; the controller is arranged at the bottom of the supporting bottom plate; the top of the adjusting base is fixedly connected with the anti-static module; the fixing module is installed at the top of the anti-static module; and the dust removal module is arranged on the inner side of the anti-static module. The electrostatic eliminating device can generate ionized gas, electrostatic eliminating operation is conducted through the ionized gas, the anti-static efficiency is effectively improved, a brush on the inner side of a plastic spring is used for conducting dust removing on a discharging needle, and the dust removing efficiency can be improved.

The present invention relates to an additive for reducing diesel engine PM2.5 emission and an application thereof. The additive is a mixture of a peroxide and an azo compound, wherein the peroxide is a peroxide with a carbon number of 8-24, and is one or a plurality of materials selected from a tert-butyl peroxide, a peroxide organic ester, or a peroxide dicarbonate, and the azo compound is azobisisobutylnitrile, 2,2'-azobis(2,4-dimethyl)valeronitrile or isopropyl azodiformate. The application comprises: adding the additive to a diesel fuel, wherein the additive content is 300-3000 ppm relative to the diesel fuel content. With the present invention, diesel engine PM2.5 emission is significantly reduced; the additive-containing diesel fuel does not produce ash during burning so as not to provide wear for the diesel engine; a good match performance of the peroxide composition and the diesel fuel is provided; the peroxide has a mild reaction temperature; the process is simple; and the product and the diesel fuel are easily mixed so as to provide high practicality.

The invention discloses an intercepting filter on-line treatment pool and a control method thereof, and a rainwater treatment system. The intercepting filter on-line treatment pool comprises a pool body as well as a water inlet and a water outlet which are formed in the pool body, and also comprises a blocking wall arranged in the pool body; the blocking wall partitions the pool body into a waterpassing gallery and a filter treatment area; a particle filtering device and a water discharging device are arranged in the filter treatment area; a water inlet hole is formed in the part, which is positioned on a first area, of the blocking wall; the water inlet hole is used for communicating the filter treatment area and the first area; and the water discharging device is used for communicatingthe filter treatment area and a second area. The intercepting filter on-line treatment pool is simple in structure and convenient to operate; and the on-line treatment pool can deeply filter rainwaterat the early stage of rainfall, can draw off floodwater rapidly when the flow quantity is high, can reduce pollution to a natural water body and can guarantee the rainwater treatment effect of the rainwater treatment system.

The invention discloses a waste lithium ion power battery protection crushing process equipment. The equipment comprises a conveying belt assembly and a nitrogen tank, and the top end of the conveying belt assembly is arranged at a feeding opening of a crushing machine shell in an attached mode; and a nitrogen pipe connected between the nitrogen tank and the crushing machine shell achieve internal communication of the nitrogen tank and the crushing machine shell, the top of the crushing machine shell is connected with one end of a first conveying pipe in a penetrating mode, the other end of the first conveying pipe is installed on a cyclone dust collector, the lower end of the cyclone dust collector is connected with a storage bin used for collecting particle plates, and an air locking valve is mounted at a port of the storage bin. According to the waste lithium ion power battery protection crushing process equipment, an electrolyte volatile gas treatment structure is arranged inside the equipment, gas atmosphere protection can be conducted on a crushing device, detonation accidents are prevented, safety is better, the equipment can treat particulate matter generated by crushing, the particulate matter content in tail gas is effectively reduced, and the device is more environment-friendly.