52results about How to "Reduce resource loss" patented technology

The invention discloses a stepped on-pillar continuous filling mining method for deep well super high large breaking ore body panel. An ore body is divided into a front part and a rear part in a super high large breaking ore body center by an transportation roadway, then the front part and the rear part are respectively divided into a plurality of panels, no pillar exists between pillars, each panel is partitioned into a primary extracting drift and a second extracting drift, the panels in the front part are extracted at first and then the panels in the rear part are extracted, the front and rear panels are extracted in a stepped manner, each production technology is carried out in the same level, and procedures can not influence each other; after the stop back production is finished, the primary extracting drift is filled with cement and the secondary extracting drift is filled by classifying tailings while roof-contacted filling is ensured; and the primary extraction drift and the secondary extraction drift adopt high strength filling topping, and binding materials are added in the filling tailings so as to improve the compression strength of a topping layer. The invention has the characteristics of high extraction safety, small loss and dilution, high mechanical degree, large stope amount, large back production strength, high production capability, short back production time and the like.

The invention provides an integrated managing and controlling system and a method of mass production enterprises in transportation construction industry; the system comprises two parts, namely, hardware and software; the hardware includes a plurality of production devices, a plurality of production device terminal computers, a plurality of data collectors, a plurality of controllers, a plurality of video devices, a plurality of dippers or GPS satellite positioning devices, a plurality of service management terminal computers, a plurality of monitoring management terminal machines, a service management server and a monitoring mechanism server; the software includes data collecting software, service management software, monitoring management software, service management database software andmonitoring management database software; the integrated managing and controlling system of mass production enterprises is divided into three layers based on structure; the first layer is a data collecting layer, the second layer is a service management layer and the third layer is a monitoring management layer. The system and the method are scientifically and rationally designed, and creative, not only improve the production automation level and production continuity, but also guarantee the systematicness, visibility and reliability of intelligent operation of the whole production; meanwhile,the system and the method can prevent resource loss, reduce production cost and improve economic benefits.

The invention discloses a middle-waisted bidirectional filling and mining method under canopy guard in a thick and great metal mine in sea bed, which is characterized in that a safety isolating layer is preserved between an ore body and the sea bed; the ore body is divided into an upper part and a lower part at the middle waist in the altitude direction; the altitude from the middle waist position to the sea bed sea mud is 100-150m; stoping is carried out from the middle waist position of the ore body, wherein the upper part adopts upstroke mining and the lower part adopts downstroke mining; a rock trackless quasi-upward slicing cemented method with a regular post pillar is adopted in the upstroke mining method; a rock trackless quasi-ordinary slicing cemented method is adopted in the downstroke mining; the gob in the stope is filled with filling materials. The invention is characterized by having high safety of mining, little loss of resources, high degree of mechanism, low labor intensity, great production capacity, short stoping time, low mining settlement and the like.

In order to recover the resources (cleaning agents, heat) contained in the cleaning agent vapors suctioned off a cleaning system for cleaning industrially produced components, according to the invention the suctioned off waste air (I) is guided in a recovery device (5) via a heat register (9) of a refrigeration device (6), is thereby substantially heated to the temperature of the waste air (I), and the thus heated, dried waste air (I) is supplied to the cleaning chamber (2) in the region of a bulkhead door (16) as preheated, dry supply air (II).

The invention provides a method for preventing roadway impact ground pressure through hydraulic roof cutting and roadway leaving. The method comprises main steps of tunneling of a roadway to circle out a working surface mining area, vertical drilling in the roadway, placement and direction adjustment of an ejector, oriented hydraulic gap cutting, and use of the roadway after gap cutting and roof cutting as an air return way of a next working surface. The method for preventing the roadway impact ground pressure through hydraulic roof cutting and roadway leaving can reduce the roadway tunnelingand maintenance workload, reduces the coal resource loss, and achieves important significance on control of the airport roadway mine pressure, in particular the impact ground pressure disaster.

The invention relates to a method and device for generating risk warning information based on user behavior data, electronic equipment and a computer readable medium. The method comprises the steps ofobtaining behavior data of a user in a point pre-burying mode, wherein the behavior data comprises a preset behavior and corresponding time; inputting the behavior data into a word vector model to generate a user word vector; inputting the user word vector into a user risk model to generate a user risk score, the user risk model being generated through bidirectional recurrent neural network training; and when the user risk score is smaller than a threshold, generating risk warning information. According to the method and device for generating the risk warning information based on the user behavior data, the electronic equipment and the computer readable medium, historical information of a user account is not depended on, the future risk behavior of the user can be recognized only according to the user behavior data, then early warning is conducted in advance, and enterprise resource losses are reduced.

The invention relates to an arrearage risk identification method based on customer payment information and credit investigation information. The arrearage risk identification method comprises the steps of collecting original data, collecting a target field from the original data based on a preset index, and generating an arrearage risk evaluation model based on the target field. Compared with theprior art, the customer arrearage risk identification method has the advantages that a big data technology and a data mining algorithm model are used, the related conditions of customer payment information are truly and timely known through mass data, the arrearage risk of a customer can be timely identified through characteristic analysis, and the national resource loss is reduced.

The present invention belongs to the technical field of research on moisture evaporation inhibitor preparation processes, and more particularly relates to a novel heterogeneous moisture evaporation inhibitor preparation method. The inhibitor comprises 0.8-1.4% of even carbon fatty alcohol or 0.6-1% of odd carbon fatty alcohol, 4-10% of short-chain alcohol, 40-65% of petroleum ether, 0.7-1.1% of a fatty alcohol polyoxyethylene ether series emulsifier AEO-3 and/or AEO-5 and/or AEO-7, and the balance of distilled water. The preparation method comprises: (1) according to the ratio, weighing even carbon fatty alcohol or odd carbon fatty alcohol and short-chain alcohol, completely dissolving in petroleum ether at a room temperature, adding a fatty alcohol polyoxyethylene ether series emulsifier, and completely and uniformly mixing so as to be used as a moisture evaporation inhibitor oil phase system; and (2) weighing distilled water, adding to the obtained oil phase system, placing the oil phase system into an ultrasonic wave treatment apparatus, and carrying out intermittent shaking so as to prepare the stable water-in-oil type heterogeneous moisture evaporation inhibitor. The moisture evaporation inhibitor of the present invention has the significant technical effect in the water resource protection field.

An adhesive sheet attaching device is provided with: a stage (6); a feeder (10) for feeding adhesive sheet (8) onto the stage (6); a cutter (16); a pressurizer (7) for attaching the adhesive sheet (8) to a target object mounted on the stage (6); a detector (11) for detecting a connecting portion (18); and a controller. When the detector (11) detects the connecting portion (18), the controller stops the operation of the feeder (10) after adhesive sheet (8) of an attachable length up to the connecting portion (18) has been attached. This makes it possible to reliably prevent adhesive sheet (8) containing a connecting portion (18) from being attached to a target object, and to effectively use the adhesive sheet up to the connecting portion (18), thus making it possible to suppress resource loss.

The invention discloses a prevention and control method for underground ore mining ground pressure disasters. The prevention and control method comprises the following steps that the position of a stoping block of an underground horizontal stope is obtained; g the position of the stoping block is compared and verified with a corresponding satellite picture; according to the position relation between an upper horizontal roadway and a lower horizontal roadway and a comparison and verification result, an open-air slope slippage model is obtained; a ground pressure action area is determined according to the open-air slope slippage model; and for the ground pressure action area, a prevention mode of changing an ore body stoping sequence, a steel grating anchor supporting mode and a reinforced concrete wall supporting mode is adopted. The method can effectively prevent and control ground pressure disasters, achieves the expected target, and guarantees the safety of ore production.

The invention discloses an intelligent analysis and processing method for surveying and mapping data based on feature recognition and cloud computing. The intelligent analysis and processing method for surveying and mapping data based on feature recognition and cloud computing comprises the following steps of: obtaining historical wind blowing information and historical rainfall information corresponding to a surveying area; acquiring a historical water level corresponding to a river in the surveying area; detecting the span corresponding to the river in the surveying area and the pH value of a water body corresponding to the river; detecting soil parameters corresponding to the water bottom of the river in the surveying area and the shores on the two sides of the river in the surveying area; analyzing historical weather information, historical water level information, river water body parameters, river water bottom soil parameters and parameters of the shoreside soil on the two sides of the river in the surveying area. The accuracy and the reliability of a surveying and mapping data analysis result are greatly improved through the method; and accurate analysis of the bridge survey data is realized.

The invention discloses an arrangement and construction method of a special roadway for withdrawing a working face of a coal mining area. The method comprises the following steps of: firstly, arranging a roadway parallel to an uphill and downhill of the mining area as the special roadway for withdrawing the working face of the mining area at the middle position between the uphill and downhill of the mining area and a mining stopping line of the working face, and tunneling the withdrawing roadway by adopting an existing uphill and downhill roadway tunneling method, wherein the tunneling direction is from a transportation gate road to an air return gate road; tunneling and primarily supporting the withdrawing roadway; after supporting is finished, constructing a blasting drill hole in the direction from the vertex angle position of the side face of the working face to a top plate, and carrying out blasting roof cutting, namely cutting off a key layer of the top plate in a blasting mode;and after blasting roof cutting, carrying out secondary reinforcing and reinforcing supporting by adopting an anchor cable. According to the method, smooth withdrawing of the working face can be realized, meanwhile, resource loss can be reduced, and the withdrawing roadway can be arranged between the uphill and downhill of the mining area and the mining stopping line of the working face on the premise of allowable conditions.

The invention discloses a household photovoltaic anomaly identification method based on an intelligent electric meter and geographic information grouping, and relates to the field of photovoltaic anomaly identification. At present, abnormal photovoltaics are identified, the calculated amount is large, and the accuracy is low. The method comprises the following steps: finding out three normal usersclosest to a fault user, solving a photo-generated current value according to a single-diode model formula of a photovoltaic module, calculating a power loss time sequence of the fault user in a single day, fitting power loss by using a least square method, and combining output characteristics of a photovoltaic array, and obtaining a fault diagnosis result according to the fitting result. According to the technical scheme, comprehensive judgment is carried out through two modes, the accuracy is high, and resource losses caused by recognition errors are reduced. Through abnormal user identification, the abnormal diagnosis range and calculation amount can be reduced, the abnormal diagnosis time is shortened, and the method has important significance for subsequent maintenance and overhaul of abnormal users; the income and the equipment utilization rate are improved.

The invention discloses a LED lamp tube with module light emitting. And the middle section is an aluminum alloy structure with grooves, the inner cavity of the bracket is an integrated hollow structure, the left and right ends of the bracket are provided with covers, and are connected as a whole by a fitting installation method, the spring is arranged on the inner wall of the bracket, The upper plate of the bracket is provided with steel plates installed side by side, the suspension is provided with radial struts, and the struts extend upward to connect with the ceiling, and both ends of the lower cavity of the bracket are connected with the lamp tubes. The present invention is provided with a module frame , when installing, align the LED module board with the inner gap of the installation ring and install it, and pull the connecting piece to make it buckle on the left and right LED module boards. When one end of the lamp board fails, the other lamp boards can continue to illuminate, which can reduce resources. Loss, effectively reducing the cost of lamps.