215results about How to "Safe recycling" patented technology

The invention provides a statistical damage constitutive model of rock. The Mohr-Coulomb criterion is adopted as rock micro-element strength, and the conventional distribution form, namely logarithmic normal distribution, in the field of engineering reliability is adopted as the distribution state of micro-element strength. The mature Mohr-Coulomb criterion with wide application is utilized as the failure criterion of micro-element strength, while the function relationship between the damage parameters A, B, C and H of the constitutive model and the pressure sigma 3 of surrounding rock is given, so that the constitutive model can directly adopt numerical calculation software in the calculation of geotechnical engineering, and the effect is verified in the actual engineering application.

An encasing film for a galvanic element has at least one force sensor for detecting an expansion state of the encasing film. The encasing film is produced from an elastic and electrically insulating material, e.g., plastic. The force sensor, which has a strain gauge, is situated on a surface of the encasing film.

The invention provides a flare gas safe recovery and discharge system, which comprises a flare gas delivery flask (2), an automatic control water-sealed valve (3), a gas holder (6) and a flare tip (13) and is characterized in that the gas inlet end of the flare gas delivery flask (2) is connected with a flare gas source by a flare gas main pipe (1); one path of the output end of the flare gas delivery flask (2) is connected with a gas torch (6), and the other path thereof is connected with the flare tip (13) via the automatic control water-sealed valve (3); an automatic control valve (4) and aflare gas filtering tank (5) are mounted on the pipeline connecting the flare gas delivery flask (2) with the gas torch (6); the output end of the gas torch (6) is connected with a compressor (7); and the output end of the compressor (7) is connected with a gas appliance (8). The invention has the advantages of simple system structure, convenient manufacturing and installation and safe usage; andthe invention also has the characteristics of being favor of preventing environment, saving energy and the like.

The invention discloses a planning method for recovering an autonomous underwater vehicle (AUV) through a guide cable of a surface unmanned ship. The recovery logical flow comprises the following steps: firstly, starting a recovery process after the AUV ends a task; secondly, judging whether data are abnormal or not; thirdly, judging the state of the AUV, if the state of the AUV is abnormal, performing state exception processing, otherwise issuing an instruction, and executing a next step action; and finally, take whether the recovery is successful as a criterion for judging the end of a logical flow. The invention has the beneficial effects that a planning method of coordinated docking recovery between the autonomous underwater vehicle and the surface unmanned ship is proposed specific tothe operation process of autonomous recovery of the underwater vehicle by the surface unmanned ship. The planning method includes the control strategies of start/stop of a recovery task, coordinatedcontrol of docking and re-planning after docking failure; the effectiveness of the whole recovery process is ensured through whole process planning adjustment; and the success rate of autonomous recovery of the underwater vehicle by the surface unmanned ship is greatly improved.

The invention discloses a device for launching and recovering a boat on a mother ship. An opening and a launching and recovering door are arranged on the rear side of a cabin. The launching and recovering door comprises a door plate seat driven by a lifting device to ascend and descend and a door plate hinged on the door plate seat, and the door plate is driven by an opening and closing device to be opened and closed. A rail leading to the opening is arranged in the cabin, a trolley for carrying the boat and moving on the rail is arranged on the rail, and a bracket capable of docking with the rail when the door plate is opened is arranged on the door plate. The door plate is opened to enable the bracket to be docked with the rail, the boat is pushed onto the door plate, the door plate is driven by the lifting device to descend below the water level, and accordingly the boat is launched. When the boat is recovered, the door plate and the bracket are driven to descend below the water level, the boat runs to above the bracket, then the door plate is lifted to enable the bracket to support the boat, the door plate is lifted continuously to enable the bracket to be docked with the rail, and the boat is pulled into the cabin. By the device, launching and recovery of the boat on the mother ship is achieved quite conveniently, and the whole boat launching and recovery process is stable and safe.

The invention discloses a unidirectional flap. The unidirectional flap comprises a framework and an isolation membrane, wherein the framework comprises a far end, a near end and at least three vertical beams which are arranged between the near end and the far end; membrane-coating loca are arranged on the surfaces of the vertical beams; convex points are arranged on the membrane-coating loca and used for increasing friction force between the unidirectional flap and a bronchial tube; at least one isolation membrane penetrates through the membrane-coating loca to be covered on the surface of the far end; a mesh is arranged at the far end; and the near end is a closed structure which is composed of 2-3 sealed, mutually-separated and flap-shaped structures. According to the unidirectional flap, due to the adoption of the closed framework structure, support force and stability of the framework are improved; and quoin points, contacted with the inner wall of the bronchial tube, of the framework are reduced; damage rate of the inner wall of the bronchial tube caused due to machines is reduced; and occurrence probability of bronchitis is reduced.

A hands-free firearm stabilizer device comprising a means for securing a firearm to perpendicularly to the shoulder of a hunter. The fully adjustable device can be adjusted to accommodate any gunstock and hunter, allowing the hunter to wait for game in a relaxed hands-free position or utilize game calls without sacrificing firearm stability. Additionally, hunters can position themselves in a seated position allowing fine aiming adjustments using his/her knee preventing unwanted noise and movement that could be detected by the game and providing a viable option for hunters with disabilities that may limit their ability participate in the sport of hunting.

The invention provides a modular electronic device, in particular a portable device, more in particular a handheld device, said modular electronic device comprising a chassis comprising a frame holding a computational module comprising a circuit board holding a data processor, and a display module comprising a planar display device having a viewing side and a rear side, said display module comprising a back plate on the rear side of the display device, wherein said frame further comprises a frame attachment part and said back plate comprises a display attachment part for allowing said display module to be attached to said frame in a sliding manner in a sliding direction in-plane of said planar display device, and said frame comprising a frame lock part and said display module comprising a display lock part for in a mutually locked position locking said frame and said display module onto one another, blocking said sliding, and in a mutually released position allowing sliding of said display module and said frame with respect to one another for allowing removal of said display module from said frame.

The invention discloses a bending-adjustable conveying system for an interventional cardiac valve. The system comprises an outer sheath tube, an core tube assembly which is arranged in the outer sheath tube and can relatively slide in the axial direction and an operation handle connected with the proximal ends of the outer sheath tube and the core tube assembly; a tube body of the outer sheath tube is provided with a distal end and the proximal end, the handle is connected with a traction wire for pulling the distal end of the tube body to bend, a distal end of the traction wire is connected with the tube body, the connection part is located at the distal end of the tube body or is adjacent to the distal end of the tube body, and at least one section of the traction wire is a free sectionwhich is free outside the tube body; the system is further provided with floating limit strips, proximal ends of the floating limit strips are starting ends fixedly arranged opposite to a fixing heador the core tube assembly, and the floating limit strips float between a mounting portion of the interventional cardiac valve and the outer sheath tube; the outer wall of the fixing head is provided with a positioning part used for being matched with a connecting lug of the interventional cardiac valve, the connecting lug is completely released in front of the outer sheath tube, and the floating limit strips are bound by the outer sheath tube to keep the cooperation between the connecting lug and the positioning portion.

The invention relates to a filling stope pillar recovery mining method. Because drilling is carried out below an inclined plane of a safer ore-breaking upper layer, recovery of inbreak of obturation lagging behind part of ore body is ensured, the obturation is avoided to be mixed into ore body heap, the ore recovery rate is improved and the dilution and the loss of the ore are reduced. Meanwhile, because the construction of other development engineering is not carried out, the ore removal efficiency and the stripping ratio are far higher than those of other pillar recovery methods. Finally, the obturation inbreak naturally piles up and extrudes the stope inclined plane to form an active pressure so as to play a role of a certain support on the stope top plate and provide a subsequent drilling operation platform for effectively and safely recovering pillars. The obturation gravity is converted into the support force of the stope top plate so as to reduce the instability of the pillar recovery process and ensure the safety of the equipment and the personnel in the subsequent works of drilling, ore removal and the like. The invention is suitable for stope recovery of a filling mining method, wherein the rock mass is firm, the protodyakonov scale of hardness is 7-12, and the pillar thickness is 5-9 m.

The invention discloses a three-dimensional roof controlling method for fully mechanized caving of a steeply inclined and extremely thick coal seam. The steeply inclined and extremely thick coal seam is mined in multiple sections from back to front along the trend of the coal same, each of the mining sections is cut into multiple sub-layers from top to bottom, and the uppermost sub-layer is a top sub-layer; when any mining section is mined, the multiple sub-layers of the mining section are respectively minted from top to bottom, and the process comprises the following steps: I, mining the top sub-layer: comprising the steps of tunnel construction, extraction of toxic and harmful gas in a pre-denotation roadway, advanced pre-blasting of top coal, drainage to wet the top coal, coal mining and nitrogen injection behind a working face and ground backfill of a subsidence area; II, mining the next sub-layer; and III, repeating the step II once or multiple times till the mining processes of all sub-layers of the mining section are completed. The method disclosed by the invention is simple in step, reasonable in design, convenient to implement and good in using effect, and various protective measures are combined in use, so that the potential safety hazards such as roof caving, gob fire and the like can be effectively eliminated.

The invention provides a method for recovering stagnant coal pillars left by a breast type coal mining method, which is used for a low-gas shallow coal seam with stable top board, smaller mine pressure and coal seam inclination angle, flat baseboard, hard and stable coal quality, no-water pouring top board and hard spontaneous ignition. The coal pillars are recovered with different regions, every three rows of the coal pillars is taken as a distribution unit, and air curtains are arranged between the three rows of the coal pillars and the coal pillars to form into an air inlet passageway and an air retuning passageway; and from the two rows of regular coal pillars beside a goaf, every two rows of regular coal pillars is taken as a recovering unit, the recovering unit is internally provided with a crawler belt walking type hydraulic bracket, a continuous coal mining device and an advanced supporting hydraulic bracket, the stagnant coal pillars are alternately and slantwise cut by means of both wings according to the recovering unit, the recovering unit stopes and withdraws, the stagnant coal pillars and the hydraulic bracket jointly support the top board above a recovering space, and the top board is managed by means of a complete top board falling method. Therefore, by matching with the continuous coal mining device, the scraping board conveying device and the adhesive tape conveying device, the method can recover the regular stagnant coal pillars left by a breast type coal mining method.

The invention discloses a cultivation medium capable of increasing the yield of big clitocybe and a preparation method thereof. The cultivation medium comprises nutrient media and cover-soil materials of which the weight ratio is 2-3 to 1; the nutrient media are prepared from, by weight, 60-70 parts of mulberry twig stalk powder, 15-20 parts of tea tree dregs, 8-12 parts of sheep manure, 5-8 parts of bran, 3-6 parts of corn powder, 2-4 parts of phosphorus fertilizer, 0.5-1.5 parts of lime, 1-2 parts of plaster and 0.5-1.5 parts of derris powder; the cover-soil materials are prepared from, by weight, 25-30 parts of fine soil, 12-15 parts of sucrose silt, 2-3 parts of sodium selenite and 1-2 parts of bacillus thuringiensis. The cultivation medium is rich and comprehensive in nutrient, the nutritional requirement of growth development of the big clitocybe can be met, and the cultivated big clitocybe is large in size, high in growth velocity and high in disease resistance; compared with a conventional cultivation medium, mushrooms are picked about 10 days in advance, and the yield is increased by about 20 percent. The raw materials of the cultivation medium are wide and easy to obtain, the cost is low, the production process is simple, and the cultivation medium is suitable for large-scale cultivation of the big clitocybe.

,The invention provides a brake device for a new energy automobile. The brake device comprises a brake disc, a rotating main shaft, a hub connecting disc and power generation devices, the rotating main shaft is installed on the inner side of the brake disc, the hub connecting disc is installed on the outer side of the brake disc, brake calipers are installed and fixed through an automobile frame and installed on the side edge of the brake disc, kinetic energy recovery mechanisms are installed in the upper end and the lower end of the brake calipers correspondingly, the power generation devices are installed on the inner sides of the kinetic energy recovery mechanisms, and the power generation devices are driven by the kinetic energy recovery mechanisms to rotate to generate power. The rotating kinetic energy of the brake disc can be recycled when the automobile is braked, electric quantity recoil is carried out through the built-in power generation devices, electric quantity saving and endurance mileage increasing of the new energy automobile are facilitated, the brake device is different from braking energy recycling in the prior art, the position of the brake disc is changed when braking is adopted, the brake disc is meshed with the kinetic energy recovery mechanisms, electric energy can be recovered safely and reliably, and the braking effect can be improved.

The invention discloses recycled concrete, which is characterized by being prepared from the following raw materials in parts by weight: 150-180 parts of cement, 250-300 parts of modified recycled aggregate, 400-450 parts of fine river sand, 5-10 parts of attapulgite, 1-3 parts of porous beta-cyclodextrin cross-linked polymer nanofibers, 50-65 parts of blast furnace slag, 1-3 parts of mullite fibers, 2-5 parts of diazoalkyl urea, 4-8 parts of sulfonate-terminated hyperbranched waterborne polyurethane emulsion, 2-4 parts of additives and 75-90 parts of water. The recycled concrete is prepared from the following raw materials in parts by weight: 2-4 parts of carboxyl-terminated liquid fluororubber and 1-3 parts of water-soluble hyperbranched epoxy resin. The invention also discloses a preparation method of the recycled concrete. The recycled concrete disclosed by the invention is excellent in comprehensive performance, high in strength, low in water absorption rate, good in durability and workability and good in workability.

The invention relates to an analog micro weight space crafter land emitting testing device that comprises the bracket, emission barrel, fixture, erecting linear guide track at one side of the bracket, sliding emission platform on the linear guiding track, with the emission barrel fixed on the sliding emission platform through the fixture, with buffer set under the platform. It has imitable analog micro weight environment, being able to finish the traditional land emitting, with instant parameter testing function, integrating the testing device with the emission platform, strong in impact resistance ability.

Provided is a studding recovery method for reconstructing a covering layer through dead zone wastefill and top surrounding rock spallation collaboratively. The method comprises the specific steps that after waste rock is exploited out from a chamber and a top column through an open-stope method, a goaf is filled with the waste rock to reach a certain height, surrounding rock at the top of a studding is collapsed off once, and the studding covering layer is reconstructed collaboratively; the studding is divided into a plurality of layers, and a drilling drift is tunneled in the center of the bottom of the layers; an end non-through cutting groove is formed in the tail end of the drilling drift through a cutting courtyard slot broaching method; the cutting groove serves as the ore breaking free face, and the studding is subjected to sequential top-to-bottom interlamination advance and in-layers retreating type recovery; and broken ore is shoveled to a winze through a scooptram and is conveyed to the surface of the earth by an ore pocket through an electric locomotive. The invention first provides the method for collaboratively reconstructing the studding covering layer, the safety of studding recovery is improved, and the ore recovery rate is increased effectively.