37results about How to "Reduce the chance of being corroded" patented technology

The invention discloses a high efficiency wet-type desulfurization method through ammonia recovery method for oxidation and concentration outside a tower, and a device thereof. The method comprises the following steps: (1) feeding flue gas into the top part of a concentrating tower after dust removal, cooling down and humidifying the flue gas, then feeding the flue gas into a first level venturi section of a desulfurization absorption system to contact atomized ammonia water so as to have the first level absorption reaction, performing the second level and the third level desulfurizations, and discharging the flue gas after the purification; (2) oxidizing the ammonium sulfite solution generated in a desulfurizing tower and then overflowing the ammonium sulfite solution into a mother liquor tank from the top part of an oxidation tank; and (3) pumping the ammonium sulfate solution in the mother liquor tank to the top part of the concentrating tower through a mother liquor pump to perform heat exchange with the high temperature flue gas after atomization so as to form a supersaturated solution containing 3 to 5 percent of crystal, wherein the supersaturated solution flows out of the bottom of the concentrating tower and is pumped into a hydraulic cyclone through a slurry pump to perform the first level solid-liquid separation, and then the clear solution automatically flows into the mother liquor tank; the crystal-liquid mixed solution flowing out of the bottom of the concentrating tower automatically flows into a centrifugal machine to perform the second level solid-liquid separation, and then the clear solution automatically flows into the mother liquor tank; and solid ammonia sulfate is fed into an automatic packaging machine to be packaged and put into storage. The method has simple processes, greatly reduces investment, and can reclaim agricultural level ammonia sulfate and industrial level ammonia sulfate.

The invention discloses anti-corrosion secondary water supply non-negative pressure equipment. One end of a water conveying pipe is connected with a treatment tank; a granular activated carbon filterscreen is fixedly mounted at the top of a treatment tank; an annular fixing frame is fixedly connected to a position, which is located below the granular activated carbon filter screen, in the treatment tank; an annular fixing groove is formed in the bottom end of the annular fixing frame; an ion exchange resin filter element is mounted in the middle of the treatment tank; and the top end of the ion exchange resin filter element is fixedly connected with an upper mounting block. The structure is scientific and reasonable, the equipment is safe and convenient to use, by using the ion exchange resin filter element, free anions and cations in the water are removed, the pH value of water is reduced, corrosion of water to the equipment is reduced, water in the equipment will not be polluted bythe rusts, chlorides in the water can be absorbed by using the granular activated carbon filter screen, and the probability that the equipment is corroded is further reduced.

The invention belongs to the field of inorganic luminescent materials and discloses luminescent glass ceramic, a preparation method thereof and application thereof in LED lighting devices. The luminescent glass ceramic is composed of silicate red luminescent glass powder and Sr4Al14O25:Eu2+ according to a mass ratio of 100:0-99.1:0.9, wherein the silicate red luminescent glass powder is composed of, by molar fraction, 50-60% of SiO2, 20-30% of Na2CO3, 95 of Al2O3, 6% of CaO and 5% of Eu2O3. Emission wavelength range of used fluorescent powder covers 450-550nm, and the precursor glass powder can provide red light at the same time, so that the luminescent glass ceramic obtained can obtain warm white light under excitation of an ultraviolet chip of 385nm. By regulating proportion of the fluorescent powder to the glass powder, types of the warm white light can be different, so that type field and application range of luminescent materials are expanded.

The invention provides an environment-friendly building energy-saving fireproof steel structure which comprises a steel column. The lower end of the outer part of the steel column is provided with a water storage mechanism, and the inner part of the water storage mechanism is provided with a water delivery mechanism. When a fire occurs, when people are not on site, under the action of high-temperature flame, a carbon wire is rapidly burnt off, at the moment, the upper part of a counterweight pressing block loses tension and rapidly slides to the upper end face of a base under the action of gravity, so that keys in a control switch are rapidly pressed downwards, and then a circulating water pump is started through the pressed control switch, therefore, a water source in the water storage mechanism is sprayed to the outer peripheral surface of a fireproof layer outside the steel column through a water spraying mechanism for fireproof cooling operation, the water spraying cooling operation can be quickly carried out on a steel structure support column without manually starting a water pump by people after a fire occurs, and the practicability of the steel structure support column is greatly improved.

The invention provides a purpus privet seedling trimming device, and belongs to the field of plant trimming devices. The device comprises a supporting frame, an adjustment device, a rotary plate and atrimming knife, and the supporting frame is connected with the rotary plate through supporting legs; a sliding groove is formed in the rotary plate, the trimming knife is slidably installed in the sliding groove, a sliding block which is fixedly connected with the trimming knife is capable of sliding in the sliding groove, an upright column groove is formed in a poke rod of the adjustment device,an upright column on the trimming knife fixedly connected with the sliding block is capable of slidably moving in the upright column groove, arc-shaped baffle pieces are arranged on an outer circumferential surface of the rotary plate, and a baffle plate is arranged at the tail end of the poke rod. The device has the advantages that sounds are not generated in the operation of the device to achieve silent operation, the arc-shaped baffle pieces can not only prevent the sliding block from moving out of the sliding groove, but also can prevent juice from plants from entering into the interior of the rotary plate through the sliding groove, corrosion probability of the interior of the device is reduced, service life of the device is prolonged, manual and knot-free adjustment within a trimming area radius can be achieved by the baffle plate, and complexity degree of the device is reduced.

A salt mist removal filtering system is characterized in that a system body box comprises an outer frame and filters, the outer frame comprises a top outer frame and a bottom outer frame, the filterscomprise a first filter and a second filter, a first filtering layer and a second filtering layer are arranged in the first filter, and the first filtering layer is located above the second filteringlayer in the vertical direction; a chemical fiber layer and a glass fiber layer are arranged in the second filter; the bottom outer frame is connected with a rain cover through bolts, and the rain cover is fixedly connected to the outer side of the bottom outer frame; and a stainless steel net with compact holes is mounted at the top end of the top outer frame. The salt mist filtering device is installed in a high-humidity and high-salt environment, salt mist can be filtered, the probability that a motor and the like are corroded is reduced, and the service life is prolonged; by observing thecondition of a differential pressure gauge, the filters can be sequentially moved out of the system body box in the direction of a sliding rail to be replaced in time; and the replaced filter can be washed by clear water or other water washing modes to be reused.

The invention relates to the field of white-light LED luminescent materials, in particular to full-spectrum borosilicate fluorescent glass and a preparation method thereof, the full-spectrum borosilicate fluorescent glass comprises matrix glass and full-spectrum fluorescent powder, and the matrix glass is prepared from raw materials of Na2O, ZnO, B2O3, SiO2 and CaO components; the matrix glass comprises the following components in percentage by mass: 10 to 15% of Na2O, 20 to 35% of ZnO, 20 to 50% of B2O3, 0 to 20% of SiO2 and 0 to 20% of CaO. The full spectrum fluorescent powder comprises thefollowing components: cyan fluorescent powder with an emission peak of 480-500 nm under blue excitation, green fluorescent powder with an emission peak of 520-540 nm under blue excitation, and red fluorescent powder with an emission peak of 615-640 nm under blue excitation, wherein the mol percentage of each component of the full spectrum fluorescent powder is: cyan fluorescent powder: green fluorescent powder: red fluorescent powder = 1-1.5: 1.3-1.6: 0.3-0.7. The preparation method of the luminescent glass ceramic designed by the invention ensure the success rate of full-spectrum fluorescentglass preparation, saves cost and is beneficial to the requirements of industrial production.

The invention belongs to the technical field of lithium batteries, and particularly relates to an aluminium foil surface passivation treatment process and an aluminium plastic film. The aluminium foil surface passivation treatment process comprises the following steps: (1) carrying out alkali washing and oil removal on the surface of an aluminium foil, carrying out roll coating and impregnation double-sided passivation treatment in sequence, and uniformly coating two sides of the aluminium foil with a chromium-free passivation agent through a non-contact trowelling air knife; and (2) baking the aluminium foil through a non-contact air flotation oven. The aluminium plastic film comprises a nylon layer, an aluminium foil layer and a CPP layer. The aluminium plastic film comprises a nylon layer, a CPP layer and an aluminium foil layer prepared through the passivation treatment process in the invention. According to the invention, the two surfaces of the aluminium foil can be passivated at the same time; the aluminium foil surface passivation efficiency is greatly improved; meanwhile, the contact area between the aluminium foil and an equipment roller is greatly reduced; the equipment corrosion probability is reduced; and the aluminium foil passivation treatment yield is increased.

The invention provides a device for efficiently purifying smoke of a coal-fired power plant. The device is arranged between a boiler and a chimney of the coal-fired power plant and used for purifying smoke of the coal-fired power plant. The device comprises a coal economizer, an air pre-heater and an electrostatic dust collector, and further comprises a denitration reactor, a desulfurizing tower, a chemical scrubber and/or a demister. The boiler, the coal economizer, the denitration reactor, the air pre-heater, the electrostatic dust collector, the desulfurizing tower and the chimney are sequentially communicated, and the chemical scrubber and/or the demister are/is arranged between the desulfurizing tower and the chimney. When smoke generated by the coal-fired power plant flows through the chemical scrubber, the smoke reacts with chemical reagents in the chemical scrubber in a mixed mode to be scrubbed. The invention further discloses a method for efficiently purifying smoke of a coal-fired power plant. The device for purifying smoke of the coal-fired power plant is reasonable in design, is specially used for processing acid storm formed by SOx, NOx, particulate matter and acid drops in exhausted smoke and gypsum rain, and solves the corrosion problem of the chimney of the coal-fired power plant.

The invention relates to a new energy automobile with the storage function; the automobile comprises an automobile body, a battery box and four wheels and further comprises a storage mechanism and a shock absorption mechanism, the shock absorption mechanism comprises a shock absorption plate and two shock absorption assemblies, and the storage mechanism comprises a storage box, a photovoltaic panel, a driving assembly, two power assemblies and two shielding assemblies; according to the new energy automobile with the storage function, through the damping mechanism, the function of damping the battery box is achieved, the phenomenon that the battery box shakes too much and is damaged is avoided, accordingly, the cruising ability is prevented from being affected, the reliability of the equipment is improved, and through the storage mechanism, the photovoltaic panel can be stored in the storage box when it rains or snows, so that the contact probability of the photovoltaic panel and rainwater is reduced and thus the corrosion probability of the photovoltaic panel is reduced; meanwhile, the photovoltaic panel is prevented from being crushed by accumulated snow, the damage probability of the photovoltaic panel is reduced, the influence on power generation work is avoided, and the reliability of the device is improved.

The invention relates to the technical field of fountain solutions, in particular to a universal thermosetting alcohol-free fountain solution and a preparation method thereof. The fountain solution is prepared from the following components including, by weight, 85 to 100 parts of magnetic activated water, 9 to 14 parts of disodium hydrogen phosphate, 4.0 to 6.5 parts of sodium metaphosphate, 8 to 12 parts of citric acid, 2 to 6 parts of carboxymethyl cellulose, 1.3 to 1.8 parts of fatty alcohol-polyoxyethylene ether, 3 to 6 parts of glycerol, 1.8 to 4.0 parts of plant-based cleaning aid, 1.2 to 2.0 parts of functional aid, 0.5 to 1.0 part of bactericide, 2.0 to 3.2 parts of compound surfactant, 1.5 to 2.2 parts of defoaming agent and 1.8 to 2.5 parts of wetting agent. According to the prepared fountain solution, the printing quality is improved; the fountain solution also has the advantages of storage resistance and difficult deterioration; furthermore, the fountain solution does not contain volatile alcohols or other harmful substances, so that the cost is reduced, and the fountain solution is greener and more environment-friendly; and in addition, the fountain solution prepared through the method can effectively reduce the probability that the layout is corroded, and the effect of protecting the layout is achieved.

The invention discloses a truss for raising a power transmission line tower, and relates to the technical field of power towers. The problems of the connection firmness and corrosion of a raised structure and a tower when the tower needs to be raised in the prior art are solved. The truss comprises four foundation columns and connecting columns connected with the four foundation columns. Each foundation column comprises a stand column, a bottom table located at the bottom of the corresponding stand column and used for being connected with a tower base and a top table located at the top of thestand column and used for fixing a tower supporting leg. Each bottom table, the corresponding top table and the corresponding stand column are of an integrated structure. Outer guard plates which arehigher than the top surfaces of the top tables are arranged at the periphery of each top table. An inner buckling edge is arranged on the edge of each outer guard plate. A long stud which is in an integrated structure with the corresponding top table is arranged on the top surface of the top table. The truss is coated with antirust paint. The truss is used for raising the power transmission line tower and can solve the problems of the firmness and corrosion of the tower after being raised.

The invention relates to an infusion support for a cosmetic surgery. The infusion support comprises a supporting column, a base, an alarm mechanism, a cleaning mechanism and two moving mechanisms, wherein the alarm mechanism comprises a top plate, an alarm, a supporting plate, a first spring, a fixing rod, a hook, an auxiliary assembly and a control assembly, the control assembly comprises an air cylinder, a piston, a control rod, an air pressure sensor and a support, and the cleaning mechanism comprises a power assembly and two cleaning assemblies. According to the infusion support for the cosmetic surgery, the alarm mechanism is arranged, and the alarm work can be carried out after the liquid medicine is completely infused, so that medical workers are reminded to replace an infusion bag in time; the circumstanace that blood of a patient flows back due to the fact that the liquid medicine is completely infused is avoided, so that the patient is prevented from being harmed, and the safety of equipment is improved; and a function of cleaning a moving shaft is fulfilled through the cleaning mechanism, impurities such as hair are prevented from being wound on the moving mechanism, so that the circumstance of jamming is avoided, and the influence on the work of the moving infusion support is prevented.