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 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 discloses a method for repairing appearance quality defects of a concrete frame, which is characterized in that different treatment schemes are made according to various defects of the concrete appearance, color difference of a construction forming part is avoided by combining the optimal proportion of a field construction environment test coating, and technical innovation is carried out in the aspects of base layer treatment, coating proportion, later maintenance and the like. Compared with a conventional repairing technology, the novel method is wider in repairing area, more attractive in appearance forming, shorter in coating solidification time, more durable in quality and longer in maintenance time, the probability of problems in the maintenance process is reduced, outdoor engineering construction can be better met, economic benefits are improved, and the novel method is worthy of popularization.

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 discloses a pipe repair airbag and a pipe repair process adopting the pipe repair airbag, and solves the problem of capability of curing UV curing glue by ultraviolet irradiation. The pipe repair airbag comprises a cylindrical airbag body, and positioning frames connected to the two end parts of the airbag body; the airbag body is made of a rubber film with light transmittance; airbag cavities for inflation are formed between the positioning frames and the airbag body; the positioning frames are connected with ultraviolet lamp modules inserted in the airbag cavities; the ultraviolet lamp modules comprise lamp bases fixedly arranged on the positioning frames, and ultraviolet lamp bodies connected to the lamp bases; the the positioning frames are connected with protective covers covering the peripheries of the ultraviolet lamp bodies. The pipe repair airbag can cure the UV curing glue, shortens the repair time, saves the construction period and the labor cost, and is excellent in repair effect.

The invention relates to a construction method suitable for secondary repair of a deep and large orepass system. For the transportation of an underground orepass in a non-coal mine, when a fault of a vibration ore-drawing machine needs to be repaired, the personal safety of personnel who carries out the repair work of the vibration ore-drawing machine at the bottom of the orepass is endangered due to the fact that unsafe factors such as rocks fall at a wellhead and rocks spall at the wellbore may occur because of the deep orepass. Horizontal annular grooves are formed in the upper part of an ore storage section of the orepass, and arc-shaped channel steel is inserted for reinforcement, and as an acting point, the horizontal channel steel is laid tightly to form a baffle to block falling stones above the orepass, so that the personal safety of the personnel who carries out the repair work of the vibration ore-drawing machine at the bottom of the orepass. After the repair is completed, the trapezoid channel steel is withdrawn, the arc-shaped channel steel is reserved, and an exit of a measure lane is closed, so that the next fault of the vibrating ore-drawing machine can be repaired in time, the repair period can be shortened, and the economic loss can be reduced.

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 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 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 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 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 method for repairing a drive disk of a coal mill and a repair system for the drive disk of a coal mill, and relates to the technical field of repairing a coal mill. The method for repairing the drive disc of the coal mill includes the following repair steps: removing the outer sealing assembly of the coal mill; using a welding torch device to weld and fill the worn grooves on the outer surface of the drive disc in the coal mill to obtain a filled weld pile, and the filled weld pile Protrude the outer circular surface; use a milling device to mill the filler weld deposit until the outer wall surface of the filler weld deposit is consistent with the outer circular surface; reinstall the outer seal assembly. The coal mill drive disc repair system is used for the above-mentioned coal mill drive disc repair method. In the method for repairing the drive plate of the coal mill, the disassembly and assembly process has low requirements on operators, high repair safety, short repair construction period and low consumption of manpower and material resources.

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 is controlled 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 belongs to the technical field of metallurgical equipment, and in particular discloses rapid blast furnace hot-air pipeline cross section refractory brick dropping repairing equipment and method, being applicable to rapid repairing of dropping and damage of refractory bricks inside cross position pipelines of blast furnace hot-air pipelines, hybrid wind tubes, hot-air branch tubes, surrounding tubes and the like under working conditions such as thermal shock. A hybrid wind tube mold consists of a bent tube section mold, a splicing section mold and a main tube hanging mold, wherein a bent tube section is firstly prefabricated and a splicing section is secondly cast, and the bent tube section and the splicing section are integrally welded by using a splicing method, so that the construction difficulty is greatly alleviated, the repairing working period is greatly shortened to be 3-4 days, and furthermore the time for stopping the furnace is shortened and the cost is lowered; anchor rivets are arranged inside the bent tube section mold, the anchor rivets are Y-shaped, and the opening angle is 120 degrees; a plurality of anchor rivets are arranged on the inner side of the bent tube section mold, and the anchor rivets are arranged in a grid-shaped structure. Due to the anchor rivets, a casting material can be firmly fixed, and the casting material is solid and durable after being condensed and formed, so that the service life is greatly prolonged.

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.