262results about How to "Expand the scope of diffusion" patented technology

The combined grouting construction process of reinforcing foundation includes the following steps: drilling grouting hole; establishing hole top grouting apparatus; high pressure rotary spraying clear water to expand hole; high pressure rotary spraying mortar and static pressure grouting. The present invention combines static pressure grouting technology and high pressure rotary spraying grouting technology with different advantages, so as to reach maximum application range, optimized reinforcing effect, and successive and safe reinforcement.

The invention discloses a soft and weak wall rock tunnel advance reinforced support construction method. When a pipe roof advance support construction is carried out on one segment of the constructed tunnel, the construction method comprises the following steps: (1) support arch and guide pipe construction, wherein a plurality of guide tubes for carrying out guiding on a plurality of pipe roof pipes are arranged on a support arch; each pipe roof pipe comprises a pipe body and a drill bit; each pipe body is formed by splicing a plurality of pipe joints; each drill bit is coaxially arranged at the front end of the pipe body; the pipe joints are spiral steel pipes; the pipe roof pipes are first pipe roof pipes or second pipe roof pipes; and the first pipe roof pipes and the second pipe roof pipes are staggered; (2) drilling machine and slip casting machine installation and emplacement; (3) pipe roof advance support construction, which comprises the following processes: first pipe roof pipe drilling and synchronous grouting construction, final hole grouting construction of the first pipe roof pipes, second pipe roof pipe drilling and synchronous grouting construction and final hole grouting construction of the second pipe roof pipes. The method disclosed by the invention is simple in steps, reasonable in design, simple and convenient to construct and good in support effect; and the soft and weak wall rock tunnel advance reinforced support process can be simply, conveniently and quickly finished.

A pressure yielding internally-grouted anchor cable comprises a hollow internally-grouted cable body, an anchor cable tray, an anchor cable rigging and a pressure yielding pipe, the hollow internally-grouted cable body is formed by winding a plurality of steel strands around a hollow rubber grouting core pipe, a plurality of groups of grout outlet holes are drilled in the hollow rubber grouting core pipe at intervals, the plurality of steel strands at the position of every group of grout outlet hole are processed into a honeycomb-shaped grout outlet section, and the tail portion of the hollow internally-grouted cable body is provided with an anchoring agent mixing head; the pressure yielding pipe is a specially-made steel pipe with the middle portion protruding outwards to form an arc-shaped protrusion, the pressure yielding pipe is sleeved outside the hollow internally-grouted cable body in a penetrating mode and arranged between the anchor cable tray and the anchor cable rigging, and the yield load of the pressure yielding pipe is smaller that of the cable body steel strands. The pressure yielding internally-grouted anchor cable achieves the integration of deep grouting reinforcement and pressure yielding support coupling of surrounding rock of roadway, expands the diffusion range of the grout and enhances the reinforcement function and can yield pressure timely when under relatively large deformation pressure of the surrounding rocks to avoid being broken through pulling and to further avoid losing efficacy, and can effectively improve the stability of deformed surrounding rock of the roadway.

The invention discloses a ground drilling and grouting treatment method for deep mining seam floor limestone water damage. According to the method, a drilling vertical section formed by vertical drilling on the ground, a communication vertical fault drilled along the bedding after the drilling vertical section reaches the bedding, and a drilling bedding section of cracks of a fold axis portion are included, wherein the drilling bedding section is perpendicular to the maximum horizontal principal stress, and a limestone suspected water drainage point of a seam floor is filled through drilling and grouting. By the adoption of the technical scheme, the ground directional bedding is drilled and grouted till a fault and the fold axis portion are perpendicular to the maximum horizontal principal stress; as for a fracture-cavity type floor thin limestone grouting target stratum with both the transverse water guide difference and the longitudinal water guide difference being great, drilling is conducted along the vertical cracks so as to communicate more faults with the cracks of the fold axis portion to obtain a better diffusion radius, and the utilization rate of grouting slurry at high pressure is high; and the diffusion range of the slurry is wide, it is ensured that greater cracks can be tamped, the physical and mechanical property of a floor strata can be effectively changed after reinforcement, the strength and water isolating performance are improved, and water inrush is effectively prevented.

The invention relates to a device for leaking stoppage of an open hole in a coal-series gas exploration well, which comprises a grouting pump, a water injection pump, hollow drill rods and a packer, wherein the wellhead of the coal-series gas exploration well is provided with a surface sleeve, multiple sections of hollow drill rods extend into the coal-series gas exploration well from the wellheadof the coal-series gas exploration well, the packer is arranged outside the lower end of one section hollow drill rod, the grouting pump is connected with the upper end of the uppermost section hollow drill rod through a grouting pipe, the water injection pump is connected with an air inlet of the inner wall of the packer through a water injection pipe, the water injection pipe is arranged alongthe inner wall of the hollow drill rods, and the water injection pipe penetrates out of the grouting pipe at the wellhead of the coal-series gas exploration well and is connected with the grouting pipe in a sealing way. The invention also discloses a leaking stoppage method of the device. The method effectively solves the limitation of leakage stoppage methods using inert materials, conventional cement, casing sealing and the like, provides a new leakage stoppage device and method for a coal-series gas exploration well, optimizes a pumping procedure method and achieves the purpose of leakage stoppage, and has important practical significance for exploration and development of coal-series gas resources.

The invention discloses a thermal device and method for increasing temperature of clean boiler smoke obtained by wet desulphurization. The thermal device comprises a boiler body, a tail smoke treatment device and a clean smoke heating device, wherein the tail smoke treatment device comprises a dust remover and a wet desulphurization device; clean smoke is obtained after the boiler smoke passes through the wet desulphurization device; the clean smoke is heated by the clean smoke heating device and then discharged into a chimney. The method comprises the following steps: adjusting the amount of smoke entering a bypass smoke channel by virtue of a bypass smoke channel adjusting baffle; heating cold air in an air heater by hot smoke in the bypass smoke channel; feeding the obtained high-temperature hot air into a clean smoke channel behind the wet desulphurization device; mixing the high-temperature hot air with the clean smoke by a mixer; and increasing the mixed smoke temperature to over an acid dew point and discharging the mixed smoke by virtue of the chimney. According to the thermal device and method for increasing temperature of the clean boiler smoke obtained by wet desulphurization, the hot smoke energy is transferred to the clean smoke by taking hot air as a heat medium; the corrosion to the chimney is reduced; the smoke diffusion range is widened so as to prevent gypsum rain from generating at the periphery of a power plant.

The invention discloses a composite graphite phase carbon nitride heterojunction photocatalyst preparation method, relates to a catalyst preparation method, and provides a preparation method of a novel silver ion doped zinc thioindate composite graphite phase carbon nitride (Ag:ZnIn2S4/g-C3N4) heterojunction photocatalyst for enhancing the photocatalytic activity of visible light, wherein silver nitrate, zinc acetate, indium acetate, thioacetamide and graphite-phase carbon nitride are subjected to a reaction according to a ratio under a hydrothermal condition to obtain the target photocatalyst. According to the invention, the novel visible light photocatalyst is clear in structure and definite in composition; by doping with Ag<+>, the photon utilization rate of ZnIn2S4 can be obviously enhanced; after compounding with g-C3N4, the diffusion range of photon-generated carriers can be enlarged, and the recombination of photon-generated electron-hole pairs is inhibited, so that the catalytic activity of visible light is enhanced; the Ag:ZnIn2S4/g-C3N4 composite material has wide prospect in the field of clean energy production and energy conversion based on high visible light activity and good hydrogen production capacity; and the obtained catalyst has broad application prospect.

The invention relates to a self-perturbing capsule-type solid foam scrubbing agent for oil and gas field gas production. The self-perturbing capsule-type solid foam scrubbing agent realizes full mixing with water in the well bottom so that drainage and gas recovery efficiency of the horizontal well is improved. The solid foam scrubbing agent is processed to form a capsule-type capsule shell, the capsule has the outer surface comprising two halves of capsule shell parts with sealing interlayers, two sides of the capsule shell are provided with two small symmetrical holes, the capsule shell is prepared from the solid foam scrubbing agent, the sealing interlayers of the capsule shell are filled with a liquid foam scrubbing agent, the center in the capsule shell is divided into two parts through a water-soluble diaphragm, the upper part is filled with ammonium chloride solids, the lower part is filled with sodium bicarbonate solids, and the two halves of the capsule are connected by the water-soluble diaphragm. The solid foam scrubbing agent is used in the drainage and gas recovery processes, is simple, convenient and economic, solves the problem that the foam scrubbing agent in a gas well has poor foaming ability under the condition of no bubble, effectively improves a reaction rate and a foam liquid-carrying capacity, has high drainage and gas recovery efficiency and saves a cost.

The invention provides a luminescent device and a backlight source in one embodiment, relates to the technical field of display and aims at solving the problem of a small light emergent angel of a luminescent device in the prior art and the problem of non-uniform brightness like light spots and light rings on a display screen if the luminescent device is applied to a backlight source. The luminescent device comprises an LED and an optical lens, wherein the optical lens comprises a light incident surface and a light emergent surface; the light incident surface comprises a concave free-form surface, while the light emergent surface comprises a convex free-form surface; the connection line of the center point of a light-emitting surface and any point of the light incident surface forms a first included angle with an axis of symmetry, and the curvature of the light incident surface is reduced as the first included angle is increased; the connection line of the center point of the light-emitting surface and any point of the light emergent surface forms a second included angle with the axis of symmetry, and the curvature of the light emergent surface is increased as the second included angle is increased; the first included angle and the second included angle are not greater than 90 degrees. The luminescent device is applied to the manufacture of the luminescent device and the backlight source comprising the luminescent device.

The invention belongs to the technical field of sealing and blocking devices, and discloses a pressure filtration type hole sealing device for rapidly-hardened mine and a using method thereof. The main technical characteristics are that the hole sealing device comprises a gas drainage pipe body, a front fibrous capsule bag, a rear fibrous capsule bag, a grouting pipe and an overflowing pipe are arranged on the outer wall of the gas drainage pipe body, the grouting pipe is provided with a front straight through pipe, an explosion valve, and a rear straight through pipe, the tail portion of the grouting pipe is connected with a mine-used mixing and grouting system composed of a portable pneumatic mixing barrel and a mine-used pneumatic grouting pump, and a mine-used hole-sealing special material is arranged in the portable pneumatic mixing barrel. According to the pressure filtration type hole sealing device for the rapidly-hardened mine, on the one hand, cracks on the periphery of a drill hole can be filled, gas leakage channels formed in the hole drilling process can be eliminated, and therefore gas leakage channels in the initial period are eliminated; one the other hand, the drill hole can be supported reliably, the stability the drill hole is ensured, so that a new gas leakage channel is no longer generated on the periphery of the drill hole, and therefore generating and developing of gas leakage channels in the later period are avoided; and the pressure filtration type hole sealing device is simple in method, suitable for various drill holes and good in hole sealing effect.

The invention discloses a composite cadmium sulfide heterojunction photocatalyst preparation method, relates to a catalyst preparation method, and provides a preparation method of a novel silver ion doped zinc thioindate composite cadmium sulfide (Ag:ZnIn2S4/CdS) heterojunction photocatalyst for enhancing the photocatalytic activity of visible light, wherein silver nitrate, zinc acetate, indium acetate, thioacetamide and cadmium sulfide are subjected to a reaction according to a certain ratio under a hydrothermal condition to obtain the target photocatalyst. According to the invention, the novel visible light photocatalyst is clear in structure and definite in composition; by doping with Ag<+>, the photon utilization rate of ZnIn2S4 can be obviously enhanced; after compounding with CdS, the diffusion range of photon-generated carriers can be enlarged, and the recombination of photon-generated electron-hole pairs is inhibited, so that the catalytic activity of visible light is enhanced;the Ag:ZnIn2S4/CdS composite material has wide prospect in the field of clean energy production and energy conversion based on high visible light activity and good hydrogen production capacity; and the obtained catalyst has broad application prospect.

The invention relates to a multifunctional atmospheric pollution prevention and control device, the device comprises a base, two supports are fixedly installed at the top of the base, the same cylinder is fixedly installed at the tops of the two supports, a first cavity, a second cavity and a third cavity are formed in the cylinder, and the sides, away from each other, of the first cavity and thethird cavity are each of an opening structure; and a motor is fixedly mounted in the first cavity. The device is reasonable in design and good in practicability, dust particles and sulfur-containing and nitrogen-containing harmful gas in the atmosphere can be filtered and purified, water mist can be sprayed into the atmosphere for dust fall and purification, the purified air has a certain flowingspeed and is discharged out of the third cavity under the action of suction force generated when the second fan blades rotate, and the sprayed water mist can be uniformly blown away, so that the diffusion range of the water mist is enlarged, the dust falling and purifying effects on air are better, and the improvement effect on the air quality is improved.

The invention provides a water pressure blasting method used in tunnel construction, and relates to the blasting method used during tunnel construction. The method is mainly invented for solving the problems that at present, a conventional blasting method used in tunnel construction causes large rock ballast blocks and much raised dust and is wide in pile bottom diffusion range, low in residue loading work efficiency and low in work efficiency. Firstly, a shot hole is punched, a water bag is arranged at the bottom in the shot hole, charge is arranged above the water bag, two water bags are arranged above the charge, and finally the shot hole is refilled with and plugged by stemming. The method has the advantages that raised dust is little, rock ballast is well smashed, stone is small, the work environment is improved, the residue loading work is easily conducted, and time is saved by half an hour or longer.

The present invention is rainbow type light dam structure and its construction process, and relates to dam building technology. The dam casing is made with high strength material, supported with ribs in the easy-to-deform parts and filled with other material. In soft foundation, light cushion layer is set in some easy-to-subside part; and in girt foundation, continuous antiseepage plates are inserted. The whole dam is integrated for balanced load, strengthened integral stability and raised strength.

The invention discloses an advance support construction method for a high-strength pipe shed of a tunnel. A process for carrying out advance support construction on a pipe shed of one segment of a constructed tunnel comprises the following steps: (1) constructing support arches and guide pipes; (2) installing a drilling machine and a grouting machine in place; (3) carrying out advance support construction on the pipe shed: (301) preparing before drilling; (302) drilling pipe joints at front ends and synchronously grouting; (303) connecting the pipe joints; (304) continuously drilling and synchronously grouting; (305) repeating the steps (303) and (304) many times until the drilling processes of pipes of the current constructed pipe shed are finished; (306) blocking drill holes; (307) carrying out grouting construction on final holes; (308) repeating the steps (301) to (307) many times until all advance support construction processes of the pipes of the pipe shed are finished; and (4) carrying out excavation construction on the tunnel. The method disclosed by the invention is simple in step, reasonable in design, simple and convenient in construction and good in support effect; and by adopting automatic drilling type high-strength pipes of the pipe shed, the advance support process of the tunnel can be simply, conveniently and quickly finished.

The invention discloses a polyurethane grouting leak-stopping material, relating to grouting leak-stopping waterproof materials for building engineering. The polyurethane grouting leak-stopping material comprises the following ingredients: 35-50 weight portions of high-molecular binary or trihydric alcohol, 15-45 weight portions of isocyanate, 2-5 weight portions of dibutyl phthalate, 10-20 weight portions of acetone, and 3-6 weight portions of other auxiliary agents. The polyurethane grouting leak-stopping material is a waterproof consolidating material which has strong waterproof leak stopping capability and high consolidating intensity, has the advantages of good hydrophobic performance, high chemical stability, large penetration radius and solidification volume ratio, high intensity, good toughness, and adjustable viscosity and solidification time, is suitable for grouting various cracks, and has no corrosion to steel bars, good cohesiveness with various base materials, and strong impermeability.

The invention discloses a preparation method of a double-layer one-way moisture-conducting micro-nano fiber membrane based on a near-field direct writing and solution electrospinning technology. The preparation method comprises the following steps of (1) preparing a layer of disordered hydrophilic micro-nano fiber membrane A through a solution electrospinning method; and (2) carrying out melt spinning by using melt direct writing equipment, and preparing an inner-layer hydrophobic micro-nano fiber membrane B on the hydrophilic micro-nano fiber membrane A. On the basis of solution electrostatic spinning, melt direct-writing spinning is added, so that accurate control over the pore size of the fiber membranes is facilitated, the topological structures of the fiber membranes can be constructed by printing preset grid patterns, then the requirement for permeation of liquid drops with different diameters is met, and the moisture absorption efficiency is improved. The micro-nanofiber membrane with an excellent one-way moisture guiding function can be prepared by combining the solution electrostatic spinning and the melt direct-writing spinning, the moisture absorption rate is adjusted, and the one-way moisture guiding performance of the micro-nano fiber membrane is further improved. The composite fiber membrane has a huge application prospect in the aspects of sportswear, paper diapers and medical dressings.

The invention discloses an air curtain stove. The stove comprises an air curtain device for generating an air curtain and a heating device for providing energy for cooking, wherein the working state of the heating device is checked according to the condition of the working area of the air curtain stove, and the air curtain angle of the air curtain device is adjusted accordingly. According to the air curtain stove, the influence of environmental factors on the stove is taken into an investigation range, and when the working state of the air curtain device is adjusted, the actual working condition is taken as a basis.

An LED light bar comprises a support, an LED wafer and a PCB, the LED wafer is fixedly arranged on the support, and the support is fixedly arranged on the PCB. The LED light bar also comprises a lens in which a photoluminescent material is arranged, and the LED wafer emits light via the lens. The present invention also discloses an LED area source module comprising the above LED light bar. According to the above LED light bar and the LED area source module, and by arranging the photoluminescent material in the lens, the diffusion range of the photoluminescent material is increased substantially, the luminescent efficiency of the LED light bar and the LED area source module is improved, and the LED light bar and the LED area source module emits light uniformly.

The invention discloses a fuel nozzle, belonging to a fuel spraying device of an internal-combustion engine fuel system. The fuel nozzle is composed of a needle valve body and a needle valve, wherein the head of the needle valve body is provided with at least one combined spray orifice; each combined spray orifice is composed of at least two sub spray orifices; the cross sections of the sub spray orifices are tangent; and the central lines of the sub spray orifices can be parallel or can be in different planes. Because fuel in the combined orifices can have intense disturbance, turbulence kinetic energy is increased so as to improve atomization; and atomization throughout distance is regulated by changing the injection direction of each sub spray orifice so as to improve flow coefficient. By the arrangement of the spray orifices, internal turbulence intensity is improved, atomization is improved, the throughout distance can be regulated, the spatial distribution range of sprayed mist is expanded, the quality of mixed gas is improved, and the effect of quick, sufficient and complete combustion can be achieved, therefore the economic performance, the emission performance and the power performance of the engine can be further improved.

The invention relates to the field of highway roadbed maintenance, in particular to a highway roadbed disease treatment method. The highway roadbed disease treatment method comprises the following steps of S10, arranging grouting holes; S20, arranging drainage holes; S30, grouting for blocking; and S40, grouting for compacting and reinforcing. According to the scheme, when being used, the highwayroadbed disease treatment method can achieve the following effects that 1) the grouting holes and the drainage holes are accurately arranged according to the extreme value theory and the effective radius of the single-hole diffusion, so that the accuracy of the diffusion range of slurry and the economization of the disease treatment cost are realized; 2) the diffusion range of the slurry for grouting and the end time of grouting can be precisely controlled, so that the situation that a large amount of slurry is wasted and the normal operation of a tunnel is affected due to the fact that the mud slurry flows out of a roadbed along a gap is avoided; and 3) the drainage function is utilized, so that the flushing force of a disease core area to the slurry is slowed down, and the range of the slurry diffusing along a drainage pipe is lager.

The invention discloses a double-fluid deep-hole bottom fixed-point accurate mixed construction process and a grouting structure. An accurate mixing problem of double-fluid grouting is solved, the matching ratio of the double-fluid can be quantitatively adjusted through a double-high-pressure PVC (Polyvinyl Chloride) grouting pipe, and the setting time is controlled; a double-fluid slurry is mixed at a hole bottom predetermined area, so that a double-fluid grouting range is artificially controlled; with fixed-point accurate double-fluid grouting, the mixing distance and the mixing time of the double-fluid in a drill hole can be reduced, and the dispersion range of the double-fluid slurry is expanded; and the operation can be carried out simply. The technical scheme is characterized in that the double-fluid deep-hole bottom fixed-point accurate mixed construction process comprises the following steps of drilling to the depth of an intact rock, and downwards placing a steel sleeve pipe in a drill hole to the intact rock part; adopting the double-fluid slurry for sealing an outer wall of the steel sleeve pipe and a drill hole wall; continuously drilling to the estimated grouting depth, and downwards placing two grouting pipes in the drill hole; and sealing the grouting pipes and the drill hole wall, and forming dense confining pressure sections outside the grouting pipes.

The invention discloses a power distribution switchgear with high safety performance, and belongs to the technical field of power distribution switchgears, an outer water cooling pipe is communicated with an inner heat conduction pipe to realize large-range ventilation and heat conduction operation in a cabinet body, a first source extinguishing pipe is arranged on the inner side of the inner heat conduction pipe, and the bottom end part of the first source extinguishing pipe is connected with a second source extinguishing pipe extending to the upper part of a switch assembly. When abnormal high temperature or spontaneous combustion occurs at the switch assembly, the ventilating fan is automatically switched off, an air inlet source is blocked, then a plurality of hot melting strips on the second source extinguishing pipe are subjected to hot melting, the fire extinguishing agent in the second source extinguishing pipe overflows, and meanwhile a bearing piston is separated from the top of the first source extinguishing pipe due to the fact that the top loses magnetism due to the influence of high temperature; the bearing piston falls under the action of gravity to press source extinguishing gas in the first source extinguishing pipe into the second source extinguishing pipe, the fire extinguishing agent in the second source extinguishing pipe is driven to be sprayed out to cover the switch assembly and the cable, the source extinguishing gas and the fire extinguishing agent are matched with each other, the source extinguishing area is enlarged, and the source extinguishing effect is improved.

The invention relates to the technical field of equipment in the aquaculture industry, in particular to a multifunctional ozone sterilizing and disinfecting aerator. The aerator comprises an intelligent power distribution box, an ozone generator, a diving pump, a ship body and a jet device. An air compressor is arranged in the ozone generator, and the jet device is connected with the air compressor and the diving pump. Due to the employment of the structure, the aerator is borne by the ship body to float on the water surface, aeration can be carried out on each position of a pond according to requirements, the diffusion range of ozone water can be enlarged, and ozone and water mixing efficiency can be improved through the air compressor, the diving pump and the jet device.