39results about How to "Uniform and stable discharge" patented technology

The invention provides a surface discharge type air cleaning device comprises an insulating dielectric body formed in the shape of a sheet, and a discharge electrode and a ground electrode formed at one surface of the insulating dielectric body, the discharge electrode and the ground electrode being disposed in parallel with each other while the discharge electrode and the ground electrode are spaced a predetermined distance from each other. The discharge electrode has a plurality of pointed ends protruding toward the ground electrode. Consequently, electrical charge accumulation is prevented and continuous discharge is possible, even when a DC power source is used. In addition, entirely uniform and stable discharge at the surface of the dielectric body is accomplished, and therefore, the generated number of hydroxyl radicals and negative ions is increased while the generated amount of ozone is decreased. Also, discharge safety is increased, and therefore, air cleaning efficiency is improved.

The invention discloses a pressure-releasing structure of a basement anti-floating plate and a construction method thereof. The pressure-releasing structure comprises a cushion layer and a basement bottom plate on the cushion layer, wherein water-collecting pits are formed in the cushion layer and the basement bottom plate; a layer of hardpan is paved below the cushion layer; filtering layers are paved around the water-collecting pits; flow-guide pipes are paved in the hardpan and are gathered in the filtering layers; flow-leading pipes are arranged on the side walls of the water-collecting pits; and the water-collecting pits are communicated with the filtering layers through the flow-guide pipes. Water generating floatation outside a basement is led into the basement, so that the floatation is reduced. The hardpan is paved below the cushion layer, so that the problem that water outside foundation pits of the basement is gathered is solved, the underground water is collected through a flow-guide pipe arranged in the hardpan, the flow-leading pipes change the underground water into gravity water in the basement, and the problem of the floatation of the underground water is completely solved from the construction starting stage of a building.

The invention provides a low-temperature flue gas dry desulfurization process for preheating a desulfurizer, and relates to the technical field of flue gas desulfurization. The low-temperature flue gas dry desulfurization method for preheating the desulfurizer comprises the following steps: feeding gas; taking gas; heating: heating the low-temperature gas introduced into a high-temperature flue gas pipeline by a heating device, so that the low-temperature gas is heated to become high-temperature gas; wherein the heating device is a gas-gas heat exchange device, an electric heating device or a hot air heating device; feeding: spraying 600-800-mesh desulfurizer into the middle section part of the high-temperature flue gas pipeline through a weighing feeder, and mixing the desulfurizer with the high-temperature gas; pre-decomposition: mixing high-temperature gas formed by heating with a desulfurizer sprayed into the high-temperature flue gas pipeline, and generating a popcorn type decomposition effect after the desulfurizer reaches a certain temperature; and post-processing. According to the method, NaHCO3 fine powder serving as the desulfurizer is heated in advance to be decomposed, so that the flow of gas needing to be heated is greatly reduced, the energy consumption is reduced, and the efficiency and the applicability and economical efficiency of the process are improved.

The invention discloses a dielectric-barrier discharging internal electrode for particle-state organic matter treatment. The internal electrode consists of stainless steel tubes (1) and stainless steel powder sintering tubes (2) which are sequentially and alternatively arranged, wherein the stainless steel tubes (1) and the stainless steel powder sintering tubes (2) are connected in a sealed mode, and accordingly the multi-section composite internal electrode is formed. The channels of the stainless steel tubes (1) and the channels of the stainless steel powder sintering tubes (2) form the inner channel (3) of the internal electrode. The stainless steel powder sintering tubes (2) are multi-hole metal reaction bodies. A noble metal catalyst is loaded on the outer surfaces of the stainless steel powder sintering tubes (2). The end close to an air inlet, of the internal electrode is closed, and the end close to an air outlet is opened and communicated with the air outlet. The invention further discloses a reactor manufactured by utilizing the internal electrode. The problems of uneven discharging, low discharging strength, poor organic matter degradation effect and the like of a conventional composite electro-catalysis dielectric-barrier reactor can be overcome.

The invention belongs to the field of surface strengthening and surface modification, and discloses a multi-scale titanium carbide particle-reinforced copper-based composite coating, a preparation method and application thereof. The coating uses multi-scale titanium carbide particles as the reinforcing phase, copper and copper-titanium intermetallic compounds as the matrix, the mass fraction of titanium carbide particles is 50-75%, and the mass fraction of copper and titanium-copper intermetallic compounds is 25-50% %. The preparation of the coating includes the following steps: the sintered titanium electrode and the copper substrate are respectively clamped on the negative electrode and the positive electrode of the spark machine tool, and immersed in the graphene-spark oil mixed medium, and the spark discharge parameters are set to obtain a large particle size carbonized Copper-based composite coating of titanium particles; followed by aging treatment to finally obtain a composite coating. The hardness of the coating is 1100‑1300HV 0.2 , as a wear-resistant coating has a low coefficient of friction (0.2‑0.32), less specific wear rate (1.2‑5.810 ‑5 mm 3 N ‑1 m ‑1 )The advantages.

The invention discloses a semiconductor air disinfection and purification device of the technical fields of air purification and disinfection. The semiconductor air disinfection and purification device comprises a first ionization module and a light wave catalytic unit, the first ionization module comprises ionization discharge plates and ionization dust collecting plates, the ionization discharge plates and the ionization dust collecting plates are insulated, the ionization discharge plates and the ionization dust collecting plates are respectively connected with pulse ionization high voltage power supplies, the surface of the ionization discharge plates is provided with a plurality of neatly arranged discharge bodies perpendicular to the surface of the ionization discharge plates, air flow guide channels are formed between the discharge bodies and through holes, the discharge bodies are annular lug boss structures, the top ends of the discharge bodies are round planes, the through holes are lug boss hole structures which is formed by deep extending of convex holes, and the discharge bodies and the through holes are in corresponding concentric circle structures. Compared with a traditional structure, an annular discharge structure is adopted, the discharge is more stable, meanwhile the discharge surface is increased, the discharge efficiency is improved, the annular lug boss structure may not be broken, the service life is longer, and the sterilization efficiency is higher.

The invention discloses a gas laser, which comprises a discharge chamber, a discharge electrode, a water-cooling channel and a gas storage chamber, wherein the water-cooling channel is distributed on the ektexine of the discharge chamber, the gas storage chamber is positioned outside the water-cooling channel, the discharge chamber and the gas storage chamber are communicated through a muffler, the discharge chamber is a sealed cavity which consists of a discharge cavity, a strip-shaped reflector on a tail end mirror, a strip-shaped reflector on an output end and a full-through output mirror,the discharge cavity is in a lath-shaped hollow-core structure which is made of nonmetal materials, the tail end mirror, the strip-shaped reflector on the output end are respectively positioned on the front end and the rear end of the discharge cavity, an aperture is left on the middle or one side of the strip-shaped reflector of the output end, the full-through output mirror is positioned at theposition of the aperture and is used as a laser output window, and the discharge electrode is poisoned in the front end and rear end of the discharge cavity, or in the left side and the right side ofthe discharge cavity. The gas laser has small size, light weight, simple structure, a cooling system with good cooling effect, high output power and stable laser beam with good mode, and can be used for the laser processing industry.

The invention discloses a method for treating high-concentration organic wastewater by utilizing dielectric barrier discharge-wastewater treatment combined equipment. Firstly, gas rich in active particles is produced by utilizing the equipment and then is in full contact with the to-be-treated high-concentration organic wastewater in an equipment reaction column for reaction to realize the removalof contaminants in the organic wastewater; the dielectric barrier discharge-wastewater treatment combined equipment consists of a gas supply pump, a gas flow meter, a power supply, a high-voltage electrode, a grounding electrode, a rotary gas distributor, a gas flow regulating valve, a titanium steel aeration head, the wastewater treatment reaction column and a wastewater inlet and outlet openingin a reaction column body. A large quantity of gas rich in the active particles can be produced by utilizing the method and the equipment, and full contact between the active particles and the organic wastewater is ensured; no chemical reagent is required to be added in the treatment process, and the strict requirements for a discharge technology for wastewater treatment are reduced; the treatment efficiency is improved, and the cost and the energy consumption are reduced. Therefore, the method has a greater industrial application value.