112results about How to "Simple fix" patented technology

The invention discloses preparation and an application for a heavy metal chromium contaminated soil remediation material. Preparation for biological carbon particles comprises the following steps: 1) cleaning, drying and crushing agriculture waste to obtain a substance A; and 2) placing the substance A under a protective atmosphere to deoxidize and carbonize, and grinding and sieving carbonize products to obtain the biological carbon particles. Preparation for supported type nano zero-valent iron particles comprises the following steps: 1) preparing ferrite into a solution; 2) adding biological carbon particles into the solution, and uniformly mixing the biological carbon particles with the solution; and 3) dissolving a reducing agent into a solvent to obtain a mixture, adding the mixture into the system in the last step under the protective atmosphere, stirring the mixture, sufficiently reacting the mixture, separating nano zero-valent iron, washing, drying and grinding the nano zero-valent iron to obtain the supported type nano zero-valent iron particles. The invention further discloses the application of the supported type nano zero-valent iron particles to remediating chromium contaminated soil in situ. The in-situ remediation method for the heavy metal chromium contaminated soil comprises the following steps: adding the supported type nano zero-valent iron particles into soil, uniformly mixing the supported type nano zero-valent iron particles, adding deoxygenated water, and carrying out remediation. The remediation material prepared by the preparation disclosed by the invention is high in efficiency of remediating the chromium contaminated soil, and capable of improving the soil structure and improving the soil fertility.

The invention discloses a touch panel and a repair method thereof. The touch panel comprises a substrate, a plurality of first sensing universal serial buses, a plurality of second sensing universal serial buses and a plurality of conductive repair pattern layers, wherein the first sensing universal serial buses are configured on the substrate, extend in the first direction, and comprise a plurality of first sensing pads and a plurality of first bridging lines; each first bridging line is used for connecting every two adjacent first sensing pads in series; the second sensing universal serial buses are configured on the substrate, extend in the second direction, and comprise a plurality of second sensing pads and a plurality of second bridging lines; each second bridging line is used for connecting every two adjacent second sensing pads in series; the first direction is different from the second direction; the first sensing universal serial buses are electrically insulated from the second sensing universal serial buses; the conductive repair pattern layers are positioned close to the junctures of the first and second universal serial buses; and the conductive repair pattern layers are electrically floated, and can connect every two adjacent sensing pads after the repair movement finishes.

The invention relates to a new method for combined remediation of compound contaminated soil, which belongs to the technical field of regeneration of the contaminated soil. The method comprises the following steps: adding humic acid and activated sludge into the compound contaminated soil, adding water, then regulating the pH value to 6.0-8.5, controlling the culture temperature at 15 DEG C-40 DEG C, and performing remediation for 1-6 days so as to get the soil subjected to remediation. The method has the advantages that the used raw materials are easy to get, the production process is simpleand easy to operate, the remediation method is simple, the remediation effect on the compound contaminated soil is better, the residual rate of heavy metals in the soil and the residual rate of polycyclic aromatic hydrocarbons are lower after the remediation, and the degradation effect is obvious.

A repair method for an array substrate of a liquid crystal display device includes, providing an array substrate for a liquid crystal display device, detecting a line defect of a signal transmitting wire and locating the line defect, performing a removal process to remove a shielding layer covering two ends of the line defect and the shielding layer extending to a common line adjacent to the line defect, performing a deposition process to deposit a connecting metal layer the region where the shielding layer is removed, and performing a cutting process to cut outer ends of the common line adjacent to the line defect to form a common line section. The signal transmitting wire forms an electrical circuit with the common line section.

The invention belongs to the technical field relevant to soil remediation and particularly relates to a microwave catalytic remediation method for organic matter-heavy metal compound contaminated soil. The microwave catalytic remediation method for the organic matter-heavy metal compound contaminated soil comprises the steps that magnesium salt, ferric salt and aqueous alkali are added into deionized water and then mixed and stirred; turbid liquid is irradiated in a microwave oven; suction filtration is conducted on the turbid liquid after a reaction so that sediment can be separated out, and the sediment is washed and dried; a microwave catalyst is obtained through cooling and grinding after calcination; the microwave catalyst and the contaminated soil are mixed; the mixture is placed in a microwave reactor, and oxygen or air is led into the microwave reactor for a microwave reaction; and gas generated during the reaction is collected at the same time, and thus required remediation of the contaminated soil is completed. By the adoption of the microwave catalytic remediation method for the organic matter-heavy metal compound contaminated soil, the contaminated soil can be remediated in the way that environment protection is facilitated, quality control is convenient and the efficiency is high; and the microwave catalyst is used for adsorbing heavy metal ions in the contaminated soil and degrading organic matter in the contaminated soil, and meanwhile secondary pollution is avoided by collecting waste gas.

The invention provides a threaded hole repairing method and device. The device comprises a demagnetizing magnetic drill and a position adjuster, wherein the position adjuster is arranged on a bogie and can move in the transverse direction and the longitudinal direction on a first plane; the first plane is parallel to the cross section of a threaded hole to be repaired in a tumbler axle box on the bogie; the demagnetizing magnetic drill is fixed on the position adjuster and can move along with movement of the position adjuster; a drill bit of the demagnetizing magnetic drill is positioned above the threaded hole to be repaired; the demagnetizing magnetic drill comprises a power supply access and a magnetizing access; the power supply access is used for providing power for the drill bit of the demagnetizing magnetic drill; the magnetizing access is used for magnetizing a magnet block of the demagnetizing magnetic drill; a demagnetizing switch is arranged in the magnetizing access; and when the threaded hole is repaired, the demagnetizing switch is in a switch-on state. The invention provides the threaded hole repairing method and device, the repairing method is simple, and the cost is relatively low.

The invention discloses a soil remediation adsorption net and a remediation method thereof. The soil remediation adsorption net comprises a net plate. The net plate is formed by pressing an adsorption material and is in a wave shape. The thickness of the net plate is 2-5 mm. Strip-shaped filter holes are evenly formed and distributed in the surface of the net plate. An inclination angle of 10-15 degrees is formed between each strip-shaped filter hole and a corresponding wavy folded edge of the net plate. The adsorption material is prepared from ion exchange fibers and attapulgite powder, wherein the weight ratio of the ion exchange fibers to the attapulgite powder is 2-4:1-1.5. The remediation method comprises the step that the adsorption net is embedded into the soil with the depth being 15-25 cm for 15-30 days. The adsorption net is prepared from the attapulgite powder and the exchange fibers and applied to government and remediation of soil pollution. The remediation method is simple and fast and suitable for industrial production. Harmful substances in the soil can be removed permanently through adsorption and exchange, the purpose of remedying soil pollution is achieved, the leaching concentration of the harmful substances in the soil is lowered, and the mobility and poisoning degree of heavy metal in the soil are reduced.

The invention relates to a recovery technology for contaminated soil, which concretely is a recovery method and appliance for contaminated soil. The method puts in fertilizer according to the weight of the contaminated soil, in the material, C:N:P=80-120:9-11:1-2, 1-5% solid bacteria agent and 14-25% water, the pH value is adjusted to 6-8, they are put into the pile corroding pool after being blended. The device is canopy type structure, in which there has a pile corroding pool, on which there is the contaminated soil piles, there has a penetration resisting layer under the pool, there has a water pipe for assembling nozzle above the pool, in the pool there also has ventilation pipe distributed with ventilation apertures, which are connected to the fan; there lays with plastic cloth on the canopy. The invention is easy to be controlled, and it has no contamination.

The invention relates to a polluted soil restoring method, and concretely relates to a method for restoring anofex-polycyclic aromatic hydrocarbon composite polluted soil by a biological agent. The method utilizes the degradation effect of indigenous microorganisms on pollutants, and is a method for in situ restoration of anofex-polycyclic aromatic hydrocarbon composite polluted farmland soil by a biological surfactant rhamnolipid reinforced blood powder, the blood powder is added to stimulate the indigenous microorganisms in order to activate the activity of the indigenous microorganisms, and the biological surfactant rhamnolipid is used to realize a compatibilization effect on organic pollutants and enhance degradation of DDTs and PAHs in the soil in order to realize restoration of DDTs and PAHs pollution in the soil; and the blood powder is added to the DDTs-PAHs composite polluted soil according to a ratio of the blood powder to the polluted soil of 5g/1000g, and the blood powder and the polluted soil are uniformly mixed. The method for in situ restoration of anofex-polycyclic aromatic hydrocarbon composite polluted farmland soil by the biological surfactant rhamnolipid reinforced blood powder has the characteristics of low cost, easy operation, large-area application, small environment risk and wide application prospect.

The invention provides a house refuse burning fly ash curing stabilization gel material. The material is prepared from 55-85% by mass of mineral waste residues, 5-25% by mass of a clinker, 0-10% by mass of sodium chloride, 0-10% by mass of gypsum and 2-8% by mass of an alkaline exciting agent. The house refuse burning fly ash curing stabilization gel material is prepared from cheap and easily available raw materials through simple and easy processes, is insensitive to ingredients of house refuse burning fly ash, can be used for curing stabilization treatment on most of fly ash, has obvious curing effects, guarantees heavy metal long-term stability, effectively prevents fly ash-caused secondary pollution on the environment, and solves existing pressing issues of the waste incineration plant and fly ash-caused damage to environmental protection and human body health.

The invention discloses a heavy-metal-polluted soil remediating method. The remediating method includes the following steps that ethylene glycol and ethylene diamine are sequentially added into a certain quantity of polyvinyl alcohol fibers, and a reflux reaction is conducted in a stirred state to obtain an intermediate product; the intermediate product is washed with water and placed into a mixed solution of ethylene glycol, aminopyridine and chloroethane, stirring is conducted at the normal temperature to conduct a reaction, a product is washed with water, hydrochloric acid and water in sequence to be neutral after the reaction, and ion exchange fibers are obtained; and attapulgite powder is added into the ion exchange fibers according to the weight ratio of (2-4):(1-1.5), a uniform mixture is obtained, the uniform mixture is rolled to be formed or placed in a net bag and then buried in heavy-metal-polluted soil, and the uniform mixture is taken out of the soil after adsorption and exchange. The fibers used as the matrix are compounded with the attapulgite powder, the uniform mixture is applied to treating and remediating heavy-metal-polluted soil, and the remediating method is simple, rapid and suitable of industrial production.

The invention relates to the technical field of soil remediation, in particular to a remediation agent and remediation method for heavy metal contaminated soil. The remediation agent for the heavy metal contaminated soil comprises 2-16 parts of humic acid, 5-10 parts of succinic acid, 5-20 parts of sawdust, 2-10 parts of bentonite, 10-20 parts of sodium polyacrylate, 5-10 parts of honeycomb briquette ash, 5-20 parts of seaweed residues, 2-10 parts of zeolite, 5-10 parts of nano hydrogel, 10-30 parts of charcoal, 10-20 parts of Fe-Mn binary oxide, 5-10 parts of sodium pyrophosphate and 2-10 parts of microorganism mixed bacteria. The remediation agent is good in repairing effect and low in cost. The remediation method for remediating the heavy metal contaminated soil through the remediationagent is simple, heavy metal in the soil can be efficiently solidified, and the water quality grade of the soil penetrating fluid is improved.

The invention discloses a restoration method for chromium-contaminated soil. The restoration method comprises the following steps: taking a proper amount of fibers, adding the fibers into organic alcohol, adding an amination agent, performing refluxing reaction under a stirring state, washing products with water, airing the products, then adding organic alcohol and a chloride-containing solvent, stirring at a room temperature, adding the amination agent for reaction, removing the solvent after reaction is finished, and sequentially washing products with water and hydrochloric acid until the products are neutral, thereby obtaining ion-exchange fibers; performing rolling molding on the ion-exchange fibers or feeding the ion-exchange fibers into a mesh bag, burying the ion-exchange fibers into the chromium-contaminated soil, and removing the ion-exchange fiber ion-exchange fibers from the soil after adsorbing and exchanging, thereby removing chromium-contaminated heavy metals in the soil. The restoration method is simple and rapid, and is applicable to industrial production; by virtue of adsorption and exchange, the heavy metals in the soil can permanently removed, so that the purpose of restoring the heavy metal pollution of the soil is achieved.

The invention discloses a soil remediation method. The soil remediation method comprises soil and water, wherein a soil remediation device is arranged on the soil; the soil remediation device comprises a water pumping device, a water sprinkling device, a clean water pool and a water storage pool, wherein the clean water pool is connected with the water pumping device; the water pumping device is connected with the water sprinkling device; the water pumping device is connected with the clean water pool and the water sprinkling device through a water pipeline; and soil remediation is carried out by virtue of water. The soil remediation method disclosed by the invention is simple, convenient to operate, capable of weakening the acidity and alkalinity of the soil, improving the structure of the soil and bringing many nutrients to the soil, low in soil improvement cost, environment-friendly, economic and reasonable, and pollution-free in soil remediation; and the sustainable development of the soil is realized through many times of progressive improvement and remediation.

The invention discloses a framework device applicable to soil remediation. The framework device comprises immersion mesh plates, a main beam and side beams, wherein filter holes are uniformly formed in the surfaces of the immersion mesh plates, and the main beam and the side beams are U-shaped trough plates; through-flow holes are formed in the main beam side by side along the axial direction, one end surface of the main beam is fixed on one surface of one immersion mesh plate side by side, and another immersion mesh plate is fixed on another end surface of the main beam; and two side surfaces of the main beam are blocked through the side beams. The invention further discloses a remediation method applicable to the soil remediation. The framework device is taken as a movable matrix, is filled with an attapulgite adsorption material and is applied to soil control and remediation. The remediation method is simple and rapid and applicable to industrial production; and by virtue of adsorption and exchange, the purpose of remediation of soil pollution is achieved, and the leaching concentration, mobility and toxicity degree of pollutants in soil are decreased.

The invention belongs to the technical field of epoxy resin curing agent, and discloses a silanol salt-terminated organo-silicon polyamine curing agent and thermally reversible crosslinking epoxy resin produced therewith. The curing agent is represented as the structure formula (I), wherein polysiloxane terminated with silanol salt serves as a main chain, and a part of or the whole siloxane chainsegment contains an amido functional group. A is aliphatic amino group, R1 and R2 are alkyl group or aryl group, and X is alkali metal salt or ammonium salt; in the structure of the curing agent, theamino group can be subjected to a curing crosslinking reaction with the epoxy resin; and under catalysis with the silanol salt, the polysiloxane chain segment is subjected to a balanced rearrangementreaction, so that an epoxy resin cured material has self-repairing function.

The invention discloses a method for repairing propeller blades of a ship, and belongs to the field of maintenance and repair of main parts used on ships. For a worn blade, the worn part of the guideedge of the blade can be subjected to surfacing through gas welding, and the texture of a used welding wire material is required to be the same as the texture of the propeller, and then the surface ofthe surfacing position is polished. For a defective blade caused by being collided with a hard object, a slightly larger piece of casting material having the same texture as that of the propeller canbe cast in advance according to the shape of the defective part, then match working is conducted through a manual method, a suitable weld chamfer needs to be machined at the weld joint, and then manually welded by using oxygen-acetylene; and finally grinding and trimming are conducted so that the use efficiency of the propeller can be recovered. At the same time, the repairing method is simple and practical, and the repaired blade bodies have the same service life as original blade bodies.

The invention relates to the technical field of bridge engineering, in particular to a low pressure pouring closing method for concrete grouped cracks. The method comprises the following steps: processing a proper template according to a range of grouped cracks on the surface of a to-be-repaired concrete structure; cleaning the cracks; fixing the template to the surfaces of the concrete grouped cracks; mounting a glue pouring nozzle to seal the cracks; injecting glue into the cracks through the glue pouring nozzle; after life-preserving curing, removing the template; and polishing the surfaceof the glue-injected concrete to finish construction. The crack repair method is simple and convenient to operate, can repair the concrete grouped cracks well, is low in repair cost and good in repaireffect, and has extremely huge promotional value.

The invention relates to the technical field of crop straw application, in particular to a restoring method for soil contaminated by organophosphorus, organochlorine and pyrethroid pesticides. After a contaminated block is shallowly ploughed, wheat straw obtained by fermentation with inoculated radioactive soil bacillus LQC-99 is applied, the fermented products are applied to the contaminated block according to a proportion of 30-50kg per mu for even blending, the soil surface is covered with straw, restoring is completed in 8-10 days, and the straw covering the soil surface is removed. The restoring cost is low, the restoring method is simple, the restoring time is short, the degradation rate of the organophosphorus, organochlorine and pyrethroid pesticides is above 91.33%, and no secondary contamination is generated by restoring.

The invention provides a method for repairing a pixel bright spot. The method comprises the following steps of: cutting off a transparent electrode at the pixel bright spot; and cutting connection between a transparent electrode on a pixel electrode side and a transparent electrode on a color filter side. The method for repairing the pixel bright spot is simple; and the efficiency for repairing the pixel bright spot can be effectively improved.