43 results about "Particulate (substance)" patented technology

Moisture barrier resins comprising a film-forming, cross-linkable, partially hydrolyzed polymer and a cross-linking agent provide improved impermeability to moisture and extended release capabilities for various particles, substances and other core materials that are encapsulated with compositions which contain these resins.

The invention discloses a multi-component alloy water purification mesh material and a water purification filter element made from the same, relates to the field of water purification, in particular relates to a water purification material and a water purification filter element made from the same, and aims to solve the problem that a conventional water purification material does not have a main antibacterial effect and functions of filtering large particulate substances and removing free residual chorine and heavy metals at the same time. The multi-component alloy water purification mesh material is woven of alloy wires or alloy belts, wherein the alloy wires or the alloy belts consist of trace elements, impurities and the balance of Cu or consist of the trace elements, the impurities, Zn and the balance of Cu. The water purification filter element made from the multi-component alloy water purification mesh material is independently made from the multi-component alloy water purification mesh material, or is compositely made from one or more multi-component alloy water purification mesh material layers and one or more other water purification material layers. The invention can be used for preparing the water purification material and producing the water purification filter element from the water purification material.

Systems and methods for the detection of substances (particularly particulate substances) within mail pieces, specifically letters and other "flats" of mail. In particular, the systems and methods are for the detection of residues of Chemical or Biological Warfare Agents (CBWAs) which may be present within the mail pieces. The system is principally designed to be included as part of Dual Pass Rough Cull System (DPRCS) for the collection and detection of the residue when the contaminated mail piece first enters a mail facility and before it is intermingled with other mail pieces.

The invention provides a particulate barrier material and application of the same to haze prevention, belonging to the field of respiration protection articles. The particulate barrier material comprises a cationic polymer which accounts for 0.1 to 10% of the mass of the particulate barrier material. The particulate barrier material has charges and can form a micro-electric protective layer; particulate matters repel macromolecular substances with the same kind of charges as the particulate matters, thereby preventing the macromolecular substances from passing through; the particulate mattersattract macromolecular substances with heterogeneous charges, so large particles are formed through coacervation, and the large particles settle down and are no longer absorbed by the body. The particulate barrier material can enhance the filtering effect of anti-haze materials and anti-haze devices and improve anti-haze effect. In addition, the particulate barrier material can be directly sprayedon the surface of a part in need of haze prevention, such as the face or various anti-haze devices, to produce effective anti-haze effect.

A curable composition according to the present invention for sealing optical semiconductor includes components (A), (B), and (C). Another curable composition according to the present invention for sealing optical semiconductor further includes a component (D) in addition to the components (A), (B) and (C). The component (A) is a compound containing at least one functional group selected from the group consisting of epoxy groups, oxetanyl groups, vinyl ether groups, and (meth)acryloyl groups. The component (B) is a cycloaliphatic epoxy compound. The component (C) is a curing catalyst including a cationic component and an anionic component and generating an acid upon application of light or heat, where the cationic component contains an aromatic ring, and the anionic component contains a central element selected from boron and phosphorus. The component (D) is conductive fiber-bearing particles each including a particulate substance and a fibrous conductive substance lying on or over the particulate substance.

An encapsulated agent includes a central part and an outer part that covers a surface of the central part. The central part contains a viscosity-reducing material that reduces viscosity of a fluid to be used in a hydrofracturing technique. The outer part contains a plurality of particulate substances and a holding material that holds the plurality of particulate substances and enables gradual release of the central part in the fluid. The outer part involves distribution of the plurality of particulate substances that allows a content to have one or more local maxima in a direction away from the central part.

An inhaler comprising a tubular body (1) defining a tubular air flow passage with a bendable section, preferably a U-shaped section comprising peripherally extending corrugations and means for supplying a dose of at least one active inhalable, particulate substance into the flow passage and a cap (2). According to the invention the dose of the at least one active, inhalable particulate substance is placed in the cap (2) to be released from said cap substantially at the beginning of the corrugations in the intake direction.

The invention discloses a preparation method of an aluminum hydroxide adjuvant. The preparation method comprises the step of: adding ammonia water into an aluminum trichloride solution in a spray form until the pH value of the solution is 6.4-6.8. According to the method for preparing the aluminum hydroxide adjuvant, which is disclosed by the invention, the ammonia water is added into the aluminum trichloride solution in a spray form, so that the reaction of the ammonia water and the aluminum trichloride is more uniform, and the formed non-hydroxyl aluminum oxide large-particle substances are obviously reduced; meanwhile, the ammonia water and the aluminum trichloride solution fully react with each other by controlling the terminal point online pH of the adjuvant to be 6.4-6.8; and the consistency of important quality indexes such as appearance, pH, particle size and the like of the aluminum hydroxide adjuvant prepared after the dialysis high pressure operation is better than that of an adjuvant in the prior art.

The invention relates to desulfurization and denitrification equipment. The desulfurization and denitrification equipment comprises an ash removal device, an oxygen regulation device, an absorption tower and an absorption liquid circulation tank, wherein the ash removal device, the oxygen regulation device and the absorption tower are sequentially communicated through a flue gas pipeline, the front end of the ash removal device is connected with a flue gas inlet, a flow regulating valve is arranged between the flue gas inlet and the ash removal device, a first temperature control device is arranged between the ash removal device and the oxygen regulation device, a second temperature control device is arranged between the oxygen regulation device and the absorption tower, an induced draft fan is arranged between the second temperature control device and the absorption tower, a first valve is arranged between the first temperature control device and the ash removal device, and the absorption liquid circulation tank is connected with the absorption tower; granular substances in the flue gas can be sufficiently separated, the moving path of the flue gas in the absorption tower is prolonged, the reaction time is prolonged, and the flue gas is subjected to sufficient desulfurization and denitrification reaction, so that the flue gas reaches the emission standard.

The invention relates to a low-temperature desulfurization and denitration device for flue gas, the low-temperature desulfurization and denitration device comprises an ash removal device, an oxygen regulation device, an absorption tower and an absorption liquid circulation tank, wherein the ash removal device, the oxygen regulation device and the absorption tower are sequentially communicated through a flue gas pipeline, the front end of the ash removal device is connected with a flue gas inlet, a flow regulating valve is arranged between the flue gas inlet and the ash removal device, a firsttemperature control device is arranged between the ash removal device and the oxygen regulation device, a second temperature control device is arranged between the oxygen regulation device and the absorption tower, an induced draft fan is arranged between the second temperature control device and the absorption tower, a first valve is arranged between the first temperature control device and the ash removal device, and the absorption liquid circulation tank is connected with the absorption tower; granular substances in the flue gas can be sufficiently separated, the moving path of the flue gasin the absorption tower is prolonged, the reaction time is prolonged, and the flue gas is subjected to sufficient desulfurization and denitration reaction, so that the flue gas reaches the emission standard.

The invention relates to an integrated rapid treatment system for organic sludge. The system comprises an impurity removal unit, a sludge oxidation unit, a rapid sludge concentration unit and a rapidsludge dehydration unit, wherein the impurity removal unit is used for removing garbage impurities in slurry; the sludge oxidation unit is used for reducing the organic matter content of the sludge and destroying extracellular polymers in the sludge through strong oxidation; the rapid sludge concentration unit is used for accelerating the sedimentation of particulate matters through a flocculatingagent, then realizing rapid separation of sludge and water and further reducing the moisture content of the sludge; the rapid sludge dehydration unit is used for generating a gel substance on the surface of sludge particles through an efficient sludge modifier to form an irreversible condensation hardened shell, so that the sludge particles are of certain water stability and strength stability, the moisture content of the sludge is reduced, and the moisture content of a sludge cake is not more than 40% through mechanical means. The system is simple, convenient to operate and maintain, small in occupied area and short in treatment period, and harmlessness, reduction and stabilization treatment of organic sludge can be quickly realized.

The invention provides an adhesive property representation method and representation device of an electrode plate, and belongs to the technical field of electrode plates. The representation method comprises the steps of pasting an adhesive tape onto a surface of an active layer of a to-be-detected electrode plate to obtain a first electrode plate; fixing the first electrode plate; stripping the adhesive tape from the first electrode sheet to obtain a second electrode plate; determining adhesive property of each particle substance in the active layer of the to-be-detected electrode plate at longitudinal depth according to mass of an original active layer substance and mass of a first target active layer substance, wherein the original active layer substance is an active layer substance in the to-be-detected substrate, the first target active layer substance is an active layer substance stripped from the first electrode plate by the adhesive tape, and the adhesive property of each particle substance in the active layer at longitudinal depth is in negative correlation with the mass of the first target active layer substance under a condition of fixed mass of the original active layersubstance. With the representation method provided by the technical scheme, the adhesive property of the electrode plate can be more comprehensively analyzed.

The invention relates to an evaporation crucible and an evaporation device. The evaporation crucible comprises a crucible body and a blocking assembly, wherein the blocking assembly is detachably mounted in an accommodating cavity; the blocking assembly comprises at least one first blocking sheet and at least one second blocking sheet which are arranged in a spaced mode in an axial direction of the accommodating cavity; the first blocking sheet is provided with a first circulating part; positive projection, on the first blocking sheet, of the second blocking sheet in the axial direction of theaccommodating cavity covers the first circulating part; and a gap is formed between the second blocking sheet and the inner wall of the accommodating cavity. According to the evaporation crucible andthe evaporation device disclosed by the invention, the first circulating part and the gap are in communication to define a circulating path for an evaporation material; moreover, the first blocking sheet and the second blocking sheet are utilized to block most of particle substances from splashing and to block oxide particles from discharging; and meanwhile, the particle substances are splashed and the oxide particles are collected onto the first blocking sheet, so that the product yield is increased, and clearing is convenient.

The invention relates to a waste gas treatment device, and belongs to the technical field of environmental protection equipment. The device comprises a turbulent mixing dust removal device, a drying device, a fore-lying filter, a zeolite rotating wheel concentration device, a fan I, a chimney, a heat exchanger, a rotary RTO incineration device and a fan II. According to the invention, the turbulent mixing dust removal device arranged in front of the fore-lying filter pre-treats waste gas to remove the particulate matters in the waste gas, and the residual dust in the waste gas is filtered through the fore-lying filter, so that the situation that the filtering material of the fore-lying filter is frequently replaced can be avoided, and the blockage of the zeolite rotating wheel concentration device due to the poor filtering effect of the fore-lying filter can also be avoided; the gas treated in the zeolite rotating wheel adsorption area is used as the cooling gas of the cooling area, sothat the situation that the adsorption capacity of the zeolite rotating wheel is reduced when the zeolite rotating wheel reaches the adsorption area to cause the over-standard of the harmful substances in the waste gas after the zeolite rotating wheel reaches the cooling area to adsorb a certain organic harmful substances due to the fact that original waste gas is used as the cooling gas is avoided.

Without of affect of sulfur in fuel, NOx in exhaust gas is decomposed completely using discharge and low temperature of 300 C. degree, to establish technique for generating NO2 for necessary to oxidize a particle substance in a real time. The generated NO2 and ozone and active oxygen generated in oxygen atmosphere are used an oxidation agent the particle substance is decomposed completely using discharge and low temperature of 300 C. degree. As to NOx in exhaust gas, No is decomposed completely using a thin and narrow wire shape bear wire and NO2 for necessary to the particle substance is generated and is processed in response to operation condition of the engine in low temperature of 300 C. degree.

A short-stroke solenoid-actuated valve suitable for pulsewidth modulated operation including a plurality of components formed of powdered metal, preferably a 400-series stainless steel compressed to about 6.0 g / cm.sup.3, to be sound absorptive and ferromagnetic; resilient radial seal means disposed in an annular groove in an outer surface of the valve for sealing against a cylindrical receiving surface; metal mesh shaft seal means for inhibiting leakage from the valve into the actuator; and a dielectric polymeric encapsulant loaded with a thermally conductive particulate substance to increase the heat-transfer modulus of the encapsulant.

Air purification apparatus is provided that removes undesirable substances, such as particulate materials, malodors, viruses, bacteria, fungi, and toxins, from the air present within an enclosed environment. The apparatus is switchable between a mode in which air immediately adjacent the apparatus housing is drawn in and purified, and a mode in which air remote from the apparatus housing is drawn in from a specific point within the enclosed environment through use of an elongate duct.

Disclosed is an electroconductive separation membrane for water treatment, the membrane comprising: a metal filter support in a fibrous form; a metal oxide coat layer deposited on the support; and a composite metal oxide catalytic layer applied onto the nanoparticles. Provided is a water treatment system in which the degradation of non-biodegradable organics by electrochemical reactions and the separation of particulate substance through a separation membrane can be simultaneously conducted by water treatment with the electrocatalytic separation membrane according to the present invention. Inaddition, such a water treatment system can exhibit an excellent treatment yield when applied to the advanced treatment of industrial wastewater and can prevent membrane fouling during batch-type andcontinuous type operation by controlling the sheet-type electroconductive separation membrane.

A particulate substance comprising particles of a ceramic matrix bearing a functional group, the functional group being capable of promoting penetration of the particles into cells, and a biomolecule disposed within pores of the particles, the biomolecule being releasable from the particles by dissolution of the ceramic matrix.

The invention provides a novel spraying type gas absorption furnace which comprises a furnace body, a gas inlet branch tube, a spraying head, a flow back prevention component, a water reservoir and a water inlet tube, wherein the gas inlet branch tube is arranged inside the furnace body; the spraying head is arranged above the gas inlet branch tube inside the furnace body; a gas exhaust tube is connected with the top of the furnace body; a gas sucking pump is arranged on the gas exhaust tube; the flow back prevention component is arranged at the output end of the gas sucking pump; the flow back prevention component is arranged inside the water reservoir; the water inlet tube with a funnel-shaped water sucking cover at one end is arranged at the upper part of the water reservoir; the water sucking pump is arranged on the water inlet tube; the water inlet tube is connected with the water inlet of the spraying head. By adopting the novel spraying type gas absorption furnace, adsorption precipitation of byproducts is improved, mixed gases with granular substances can be particularly precipitated, absorption of different gases can be achieved by adopting different liquid substances, and the problem of environmental pollution caused by gas emission is greatly reduced.

Systems and methods for the detection of substances (particularly particulate substances) within mail pieces, specifically letters and other “flats” of mail. In particular, the systems and methods are for the detection of residues of Chemical or Biological Warfare Agents (CBWAs) which may be present within the mail pieces. The system is principally designed to be included as part of Dual Pass Rough Cull System (DPRCS) for the collection and detection of the residue when the contaminated mail piece first enters a mail facility and before it is intermingled with other mail pieces.

This application discloses a method for preparing tree whitening agent from solid waste, which uses shells, eggshells, broken glass, waste ceramic polishing powder, and desulfurization ash as raw materials from a wide range of sources and low cost, and is prepared by a one-pot firing process. Film formers and cellular glass. The formulation of the whitening agent is composed of lime and biological glue as film-forming substances, foam glass as thermal insulation material, and the hydration product is solidified with CO 2 , Adsorbs particulate matter in the air and has bactericidal and insecticidal properties. Eggshell-loaded MOFs photocatalysts degrade sulfur dioxide in the air under natural light conditions. In order to increase the strength of the whitening agent after hardening, it is mixed with sugar water. The preparation method of sugar water is to boil the water of sweet potatoes at high temperature. It has the social and environmental benefits of protecting trees, ensuring public safety, and purifying the air.

The invention relates to a waste gas treatment device, which belongs to the technical field of environmental protection equipment, including a turbulent mixing dust removal device, a drying device, a pre-filter, a zeolite runner concentration device, a fan I, a chimney, a heat exchanger, and a rotary RTO incinerator Device, blower II, the present invention pretreats the waste gas through the turbulent mixing dust removal device installed in front of the pre-filter, removes the particulate matter in the waste gas, and then filters the residual dust in the waste gas through the pre-filter In this way, it can avoid frequent replacement of the filter material of the pre-filter, and avoid the clogging of the zeolite runner concentrator due to the poor filtering effect of the pre-filter; at the same time, the present invention is to process the gas in the adsorption area of ​​the zeolite runner As the cooling gas in the cooling zone, avoid using the original exhaust gas as the cooling gas, which will cause the zeolite runner to absorb certain organic harmful substances when it reaches the cooling zone, and cause the adsorption capacity of the zeolite runner to decrease when it reaches the adsorption zone, resulting in excessive harmful substances in the exhaust gas.

The invention discloses an experimental device and method for measuring particle matter vibration. The device comprises a force transmission lead screw, a spring, a force sensor, a pressing rod, an upper cavity, a main cavity, a lower cavity and an air supply system. The upper cavity and the lower cavity are fastened and connected through a screw rod, and the main cavity is clamped between the upper cavity and the lower cavity to form a vertically-through sealed air cavity. The main cavity is formed by integrally processing a transparent acrylic material and is filled with particulate matters,a piston type pressure head capable of moving up and down is arranged at the top end of the main cavity, and the bottom of the main cavity is supported by an air inlet filter plate welded on the lower cavity; a pressing rod is mounted at the top of the cavity; the bottom of the lower cavity is connected with the vibrating table through flange bolts; the air outlet connecting pipe of the upper cavity and the air inlet connecting pipe of the lower cavity are respectively connected with an air supply system, and a flow meter and a pressure meter are installed on the connecting pipes. According to the invention, the thermal stress environment of particles in the cladding can be fully simulated, and the motion state of the particles under vibration can be observed while the pressure load is applied to the particle substances.

The present invention relates to a method for detecting a particulate substance by immunochromatography, the particulate substance including, on its surface, a plurality of substances to be bound containing a first substance to be bound and a second substance to be bound which may be the same or different with respect to each other, wherein the method includes the steps of: (1) contacting on a membrane a sample containing the particulate substance with a first specific binding substance for the first substance to be bound to capture the particulate substance with the first specific binding substance; (2) contacting the captured particulate substance with a second specific binding substance for the second substance to be bound to label the particulate substance; and (3) detecting the labeled particulate substance, wherein the first specific binding substance is immobilized on the membrane, and the second specific binding substance is bound to a metal nanoparticle.

The invention discloses a method for preparing a tree whitening agent from solid waste; by using shells, eggshells, cullet, waste ceramic polishing powder and desulfurized fly ash with wide material sources and low cost as raw materials, a film-forming substance and foam glass are prepared by using a one-pot sintering technique. According to the formula of the whitening agent, lime and biogel areused as film-forming substances, foam glass is used as a thermal insulation material, CO2 is cured by a hydration product, particulate matters in air are adsorbed, and the whitening agent has bactericidal and insecticidal properties. According to an eggshell-loaded MOFs photocatalyst, sulfur dioxide in air is degraded under the condition of natural illumination. For increasing the strength of thewhitening agent after hardening, sweet water is added for mixing; a preparation method of the sweet water comprises the steps of decocting water boiling sweet potatoes at a high temperature. Social benefits and environmental benefits of protecting trees, guaranteeing public safety and purifying air are achieved.

A powder coating material including a main material resin containing an epoxy resin; a phosphorus flame retarder; and at least one inorganic particulate substance selected from metal hydroxides and hydrous metal compounds. The inorganic particulate substance has an average particle size of 0.01 to 9 μm. The inorganic particulate substance is present in an amount of 80 to 200 parts by mass relative to 100 parts by mass of the main material resin.