44results about How to "Shorten the repair period" patented technology

The invention relates to a remediation technology for organic contaminated soil. According to the remediation technology for the organic contaminated soil, layered stepped type back excavation construction treatment is adopted, a remediation greenhouse has the height limit of 14m, the soil is divided into 3 layers, the soil with the depth of 0-4m is a first layer, the soil with the depth of 4-8m is a second layer, and the soil with the depth of 8-14m is a third layer, wherein the soil with the depth of 0-4m adopts an ex-situ chemical oxidation remediation technology and is transported to a region outside the greenhouse after being remedied, the soil of a region with the depth of 4-8m is excavated one by one every 10m along the remediation greenhouse from inside to outside in the vertical direction and is transported to other regions in the greenhouse for rapid ex-situ chemical oxidation remediation, and meanwhile, the excavation region with the depth of 8-14m is subjected to in-situ chemical oxidation remediation. The remediation technology for the organic contaminated soil has the advantages that the layered stepped type back excavation construction treatment is adopted, and therefore the technology cannot be limited by equipment and can be safer, and the treatment effect can be better.

The invention relates to the technical field of phytoremediation of heavy metal compound contaminated soil and discloses a method for remedying Zn-Cd compound contaminated soil through cooperation ofbiomass charcoal and plant intercropping. The method comprises the following steps of adding the biomass charcoal in the Zn-Cd compound contaminated soil to obtain a base material; and intercropping sedum plumbizincicola and corn in the base material, specifically, the application amount of the biomass charcoal is 1%-5% of the quality of the Zn-Cd compound contaminated soil, and the biomass charcoal is a sheep manure based biomass charcoal. The mode of remedying the Zn-Cd compound contaminated soil through cooperation of the biomass charcoal and intercropping of sedum plumbizincicola and cornis a feasible remediation mode, the Zn2+ and Cd2+ contents in the Zn-Cd compound contaminated soil can be steadily reduced, crop yield can be improved to a certain extent, the condition that farmers have economic benefits to a certain extent is ensured, and the actual need that production and remediation are conducted simultaneously is met.

The invention relates to an in-situ environment restoration system of an unstable municipal solid waste landfill. The in-situ environment restoration system comprises a ventilation unit, a pollutant vacuum pumping unit, a percolate pumping unit and a nutrient liquid injection unit; the ventilation unit comprises a ventilation pipeline inserted into a waste heap body and a temperature control device for controlling the air temperature; the nutrient liquid injection unit comprises a supply pipeline inserted into the waste heap body and a nutrient liquid storage device connected with the supply pipeline; and part of pumped percolate can be conveyed into the nutrient liquid storage device to be mixed with nutrient liquid. Temperature-suitable air is injected into the waste heap body to adjust the temperature and humidity of waste in the heap body, the living environment of microbial floras is improved, and the degradation vigor of the of microbial floras is stimulated; and part of the pumped percolate is supplied into the nutrient liquid to provide local bacteria for the nutrient liquid, the local bacteria cooperate with additionally-provided bacteria to degrade the waste, and the degradation ability of microorganisms is improved.

The invention discloses a stator wire rod insulation onsite repairing method for a large generator. The stator wire rod insulation onsite repairing method uses materials of a mica tape with low dosage of adhesive, a mica tape with high dosage of adhesive, room-temperature cured epoxy resin adhesive, a pre-impregnated glass tape (PG band) and the like; a main insulation damaged part of the stator wire rod is repaired on the site of accident of the generator; through a reasonable and reliable repairing process, the main insulation repairing of the wire rod is completed within a short time; it is ensured that the repaired stator winding can satisfy long-term, stable and reliable operational requirements of a machine set; meanwhile, a technological process of stator wire rod insulation onsite repairing for the large generator is specified; all repaired machine sets are re-input into operation; the repaired winding is excellent and reliable in insulation performance; and compared with a former generator accident treatment method, the stator wire rod insulation onsite repairing method can ensure the repairing quality, avoid disassembling and replacing of the stator wire rod, save a huge repairing cost, greatly shorten the rush repairing period, and has great economic benefit and social benefit.

The invention relates to a method for repairing a collecting ring on line. In the method, the collecting ring is repaired on line under the condition that a motor is electrically operated, the collecting ring is driven to rotate by the power of the motor, and insulation protection treatment is carried out on the outsides of the collecting ring and a tool. The linear speed of the collecting ring iscontrolled to between 2 and 6 meters per second and the penetration of the tool is controlled to between 0.05 and 0.30mm. Compared with the prior art, the method has the advantage that the method repairs the collecting ring on line under the condition that the motor is electrically operated, shortens repair period, and improves work efficiency and enterprise benefit.

The invention relates to the technical field of phytoremediation of heavy metal compound contaminated soil, and discloses a method for remediating lead-cadmium compound contaminated soil by cooperating corn straw with sedum plumbizincicola intercropping energy plants, wherein the method comprises the following steps: corn straw is added into the lead-cadmium compound contaminated soil to obtain amatrix; sedum plumbizincicola and ricinus communis are intercropped in the middle of the matrix, and the application amount of the corn straw is 1%-2% of the mass of the lead-cadmium composite contaminated soil. According to the method, a method of utilizing the corn straw to cooperate with the sedum plumbizincicola intercropped with the ricinus communis to repair the lead-cadmium compound contaminated soil is a feasible repair mode; the content of pollutants in the lead-cadmium compound contaminated soil can be stably reduced, the yield of energy plants can be increased to a certain extent, it is guaranteed that farmers have certain economic benefits, and the actual requirement for 'simultaneous production and remediation' can be met.

The invention discloses an optimized injection system for an underground water in-situ chemical remediation agent. The system comprises a remediation agent injection device, a groundwater monitoring well and a remediation agent injection control system, the remediation agent injection device is composed of a chemical injection tank and a chemical injection well, a throw-in type water quality sensor is arranged in the groundwater monitoring well, the remediation agent injection control system comprises a variable frequency pump, a frequency converter, an electromagnetic flowmeter, a throw-in type static pressure liquidometer and a PLC, the throw-in type static pressure liquidometer is installed in the chemical injection well, the variable frequency pump and the electromagnetic flowmeter areinstalled on a chemical injection pipeline, and the frequency converter, the electromagnetic flowmeter, the throw-in type static pressure liquidometer and the throw-in type water quality sensor are all in circuit connection with the PLC. By means of the injection system, the underground water in-situ remediation agent can be smoothly and continuously injected into pores of the aquifer medium, theagent injection time is shortened, the remediation period is shortened, the reverse grouting phenomenon can be completely avoided in the agent injection remediation process, and the safety of underground water in-situ chemical remediation is improved.

The invention relates to an in-situ atomization and injection system for repairing contaminated sites. The system comprises: a medicament dilution unit, wherein the medicament dilution unit comprisesa medicament stock solution tank, a medicament dilution tank and a mixer; an injection unit, wherein the injection unit comprises an air compressor, a buffer tank, a pressure gauge, an air filter, a flow meter, a check valve, a metering pump, a pressure gauge and a control panel; and an atomization unit, wherein the atomization unit includes an injection well, an atomizing nozzle, a perforated injection tube, spray holes and a monitoring well. The chemical stock solution tank is connected with the medicament dilution tank through a pipeline, and a diluted medicament goes through the check valve and the metering pump and enters the atomizing nozzle; and compressed air goes through the buffer tank, the air filter and the flow meter and enters the atomizing nozzle. The diluted medicament andthe compressed air collide with each other in the atomizing nozzle to form a misty medicament, and the misty medicament enters the soil and groundwater through the spray holes to decompose or stabilize the pollutants in the soil and groundwater.

The invention relates to a protective structure for repairing an unstable expansive soil slope, and belongs to the field of geotechnical engineering. The protective structure is composed of a rigid protective system, a flexible protective system and a drainage system, wherein the rigid protective system comprises a repaired retaining wall formed after cracks of an original retaining wall are filled, a gravity retaining wall arranged in front of the repaired original retaining wall and a plurality of prestressed pipe piles inserted into a soil body at certain intervals, the flexible protection system comprises backfill soil, a waterproof geomembrane and vegetation, the backfill soil is used for replacing expansive soil and forming a plurality of slope and platform combinations in a layering mode, the waterproof geomembrane is laid on a backfill soil platform, and the vegetation is planted on the slope face of the backfill soil, and the drainage system comprises branch drainage ditches arranged on the backfill soil platform, a main drainage ditch arranged at the toe of the backfill soil slope, drainage capillary tubes installed in grooves formed in the surface of the backfill soil slope and water drainage pipes penetrating through the repair retaining wall and the gravity retaining wall, the drainage capillary tubes introduce water into the branch drainage ditches, and the water drainage pipes introduce water into the main drainage ditch. According to the protective structure, the construction period is shortened, and the manufacturing cost is reduced.

The invention discloses a novel adsorption suppository for a woman. The suppository comprises a nonwoven fabric layer, a carbon fiber felt fabric layer and solid oxygen source powder laid and attached between the nonwoven fabric layer and the carbon fiber felt fabric layer, wherein the nonwoven fabric layer and the carbon fiber felt fabric layer are arranged in a stacked manner; or the suppository comprises a suppository core containing the solid oxygen source powder, an outer coating layer coating the suppository core and a leading-out thread fixedly connected with the tail of the outer coating layer. The solid oxygen source powder produces hydrogen peroxide and oxygen slowly in a humid and acid environment, the hydrogen peroxide and the oxygen are slowly released after being adsorbed by a carbon fiber felt fabric material and enhance the antibacterial and bacteriostatic effects together with a physical antibacterial agent, and meanwhile, the produced oxygen has the specific inhibition effect on anaerobic bacteria, promotes growth of aerobic bacteria, increases the cell activity, accelerates healing of a wound surface of a mucous membrane and shortens the repair period, so that bacterial colonies in a vagina are restored to the normal value; besides, the treatment purpose is achieved through physical characteristics of materials mainly, and compared with conventional drug treatment, the suppository has incomparable advantages.

The invention provides a construction method for replacing deck longitudinal beams of an upper edge cabinet of a bulk cargo ship. The construction method for replacing the deck longitudinal beams of the upper edge cabinet of the bulk cargo ship comprises the following steps that transverse reinforcing plates are welded to a main deck corresponding to the upper edge cabinet at intervals; ventilation technological holes are formed in the positions, close to a cargo hold cover, of the main deck; shuffling technological holes are formed in the positions, close to the sides of the ship, of the main deck; a scaffold is erected in the upper edge cabinet, and a storage platform is built in the upper edge cabinet; a plurality of protection split heads are welded along the deck longitudinal beams at intervals; the first deck longitudinal beam is cut, transferred onto the storage platform after falling onto the split heads, and then cut according to the required length, and longitudinal beam sections are hoisted out of a cargo hold through a hoisting device; the rest of the deck longitudinal beams are cut sequentially into sections to be transferred out of the cargo hold; new deck longitudinal beams are hoisted into the cargo hold to be assembled, positioned and welded; and after construction is completed, auxiliary facilities are cut and dismantled, and the technological holes are filled. By the adoption of the construction method, the large-length single longitudinal beam sections can be transferred out of the cargo hold, and the problem that a ship body possibly deforms in the construction process is solved.

The invention provides a repairing method of an ancient building black brick exterior wall. The repairing method of the ancient building black brick exterior wall comprises the steps that shooting backups are carried out; a scaffold is constructed; a wall surface is cleaned; black bricks are measured; damaged black bricks are cut; black bricks are laid; a laying surface is repaired; the black bricks are protected; detection and acceptance inspection are carried out; specifically, the purchased black bricks are laid on the ancient building black brick exterior wall through cement paste, brick joints of the black bricks are repaired by cement, and the brick joints of the black bricks are enabled to maintain the condition that the transverse parts are flat and the vertical parts are straight; after the black bricks are laid, the surfaces of the black bricks are cleaned, if defects are found in the surfaces of part of the black bricks or edges of the black bricks, the cement is adopted to perform filling and repairing on the defect positions, the cement is coated with pigment with the same color as the black bricks, and it is ensured that no color difference exists at the black brick repairing positions; and the scaffold is dismantled. According to the repairing method of the ancient building black brick exterior wall, aiming at different damaged situations of the ancient building black brick exterior wall, the corresponding repairing method is worked out, so that the cost of materials adopted during repairing is reduced, and the repairing construction period can be shortened.

The invention discloses a high-voltage motor coil anti-corona structure repairing method based on a nonlinear material. According to the method, epoxy resin is used as a matrix to fill carbon nanotubes, polyaniline and the like to prepare a nonlinear corona-resistant material, and a damaged part of a coil anti-corona structure on a high-voltage motor accident site is repaired by a spraying and curing device, so that a stator winding can meet the requirement of long-term stable operation of a unit. Compared with a conventional method for repairing an anti-corona structure of a stator coil, the method provided by the invention has the advantages that the damaged part is repaired under the condition that the coil is not dismounted, the used nonlinear corona-resistant composite material has a good anti-corona effect and also ensures certain insulating property, the repaired anti-corona structure of the coil has integrity and excellent corona resistance, the partial discharge phenomenon caused by damage of the anti-corona structure is effectively avoided, a large amount of repair cost can be saved, the repair construction period is greatly shortened, and great economic benefits and social benefits are achieved.

The invention belongs to the technical field of medical materials, and provides a self-polymeric medical repair material for enhancing rapid fracture repair and an application method. The material comprises an A agent which comprises low molecular weight polybutadiene, a silicone acrylate dispersion liquid, a polyurethane prepolymer, chondroitin, a silk protein, alginic acid and lactide, and a B agent which comprises dibenzoyl peroxide, mercaptan, a chain extender, nano bone powder and a nanocellulose fiber dispersion liquid. Compared with the traditional materials, the bone repair material, prepared by the invention, can be self-polymerized by heat treatment, can effectively achieve the purpose of rapid bone repair, is good in biocompatibility and high in polymerization strength, and is of great significance for shortening of a bone repair period and improvements on the normal shape and strength of the bone after recovery.

The invention relates to the technical field of historic building repair, in particular to a wall gap cleaning protection device for historic building repair. The wall gap cleaning protection device comprises a treatment shell and a switch button; the left end surface of the treatment shell is fixedly connected with a collecting device; the left side of the front end surface of the treatment shell is fixedly connected with the switch button; the right sides of the front and rear end surfaces of the treatment shell are both provided with sliding grooves; sliding shafts are arranged in the sliding grooves; the other ends of the sliding shafts are fixedly connected with sliding balls; the upper end faces and the lower end faces of the sliding balls are fixedly connected with supporting mechanisms; the supporting mechanisms comprise threaded cylinders and rotating rings; and one ends of the threaded cylinders are fixedly connected with the sliding balls. According to the wall gap cleaning protection device, by arranging the switch button, a dust collection air pump, the sliding grooves and the sliding shafts, bricks above and below are supported through the supporting mechanisms, then dust in the bricks is sucked out through the dust collection air pump, gaps of different depths can be cleaned, and the supporting mechanisms can achieve the effects of supporting the bricks above, preventing the bricks from falling off and achieving the protection purpose.

The invention belongs to the technical field of machinery, and relates to a shaft cold repair method, which adopts a rapid cold repair technology combining a precise cold welding technology and a polymer composite material repair technology, and is a rapid repair technology carried out under the condition of no cold welding and circumferential welding technology. By the adoption of the repairing technology, shaft abrasion can be rapidly repaired, the repairing quality can meet the production requirement, the repairing period is effectively shortened, the repairing cost is reduced, and the production benefit is improved.

The invention provides an eyebrow tattooing method for handmade eyebrows. The eyebrow tattooing method comprises the following steps that an eyebrow contour line is cleaned and drawn, and skin is relieved; embroidered parts are cleaned; the eyebrows are tattooed, and colors are matched; and eyebrow hair is added. According to the state of the eyebrows of a person subjected to eyebrow tattooing, eyebrow tattooing and color matching are carried out in the direction from the eyebrow head to the eyebrow tail through an embroidery pen; and after eyebrow tattooing and color matching operation is completed, eyebrow hair target color milk is immediately used for assisting new semi-permanent eyebrow hair adding, the pen wielding direction and length are mastered, the real texture of hair is achieved, and the stereoscopic, deep, shallow, staggered and vivid effects of the eyebrows are formed. In the eyebrow drawing process, the pain of common eyebrow tattooing can be greatly reduced, trauma to skin is reduced, compared with traditional eyebrow tattooing, the repair period is shortened by 50% or above, scabbing and tissue fluid seepage are avoided, embroidered hair lines are finer, more vivid, natural, flexible and elegant compared with traditional tattooing, operation is easy, no taboo exists, and wide implementation can be achieved.

The invention discloses a steam turbine generator stator end nose end loosening treatment process method, and aims to solve the problem that a stator end notch outlet region and an involute region are not loosened but a nose end is seriously loosened during field operation of a steam turbine generator with an insulating conical ring structure. By adopting the process method for only treating the nose end position, the repair range is reduced, and economic and practical effects are good.

The invention provides a coal mill driving disc repairing method and a coal mill driving disc repairing system, and relates to the technical field of coal mill repairing. The coal mill driving disc repairing method comprises the following repairing steps of dismounting an outer sealing component of a coal mill; using a welding gun device to weld and fill an abrasion groove in the outer circle faceof a driving disc in the coal mill to obtain a filling welding pile, wherein the filling welding pile protrudes out of the outer circle face; milling the filling welding pile by using a milling device until the outer wall surface of the filling welding pile is consistent with the outer circular surface; and reassembling the outer sealing component. The coal mill driving disc repairing system is used for carrying out the coal mill driving disc repairing method. According to the coal mill driving disc repairing method, the requirement for operators in the disassembling and assembling process islow, repairing safety is high, the repairing construction period is short, and manpower and material resource consumption is low.

The invention relates to an airtight box for an intermediate head of a cable. The structure of the airtight box is characterized in that a through hole is formed along the axial direction inside a box body; the through hole is provided with outer edges at the two ends of the box body, and sealing strips are arranged between the outer edges and the cable. The airtight box disclosed by the invention is used for replacing a cable well to protect the intermediate head of the cable, which not only eliminates the cost for building the cable well but also greatly shortens the repair period; the airtight box is convenient to carry, simple to operate, capable of retaining sealing and corrosion resistances and mechanical strength for a long time under the ground, stable in test data and firm in structure, and the materials and manufacturing process satisfy the standards; therefore, the airtight box is worth of popularization and application.

The invention discloses a positioning and pressing process method for horizontal lamination of a stator main iron core, which is characterized in that a positioning tool is spirally mounted and used in a coil inserting slot of the stator main iron core in an overlapping manner, so that the cylindricity of the stator main iron core during horizontal lamination is ensured while positioning in the lamination process is completed; in the lamination process of the main iron core of the stator, a tool finger pressing sheet is used for assembling and pressing a cage frame and a small jack, so that a punching sheet is pressed tightly; and when the lamination of the stator main iron core is finished, the pressing work of the stator main iron core after the horizontal lamination of a large number of punching sheets is finished by using a tool to press finger sheet assembly, a simple pressing tool and a product pressing ring.

The invention relates to the technical field of vehicle maintenance equipment, in particular to a repair device for local damage of train wallboards. The repair device comprises a repairer for performing elimination and welding repair on a damaged position of a wallboard, a power module with at least three degrees of freedom and arranged on one side of the damaged position of the wallboard, and apressing module, wherein the repairer is arranged on the power module, and can be driven by the power module to move along the damaged position of the wallboard; and one end of the pressing module isrotationally connected to the power module, and the other end is pressed on the other side of the damaged position of the wallboard. The repair device for local damage of the train wallboards not onlycan guarantee the use performances of trains or trucks, but also can effectively shorten the repair period and reduce the material consumption.