56results about How to "Solve social problems" patented technology

The present invention relates to a computer internet control system and a method thereof. The system comprise the following components: a fingerprint collecting terminal, a data base server; a client terminal identification and judgment unit; a fingerprint checking server; a client terminal control unit; and a client terminal control and protection unit. The method comprises the following procedures: 1) collecting the fingerprint of the user; 2) transmitting the collected fingerprint to a fingerprint checking server; 3) comparing the fingerprint with the fingerprint stored in the data base server; and 4) when the client terminal computer is unlocked, collecting the fingerprint of the user spacing a certain time, and comparing these fingerprints with the stored fingerprint. The invention can effectively control the logging-on of the computer, especially the invention can effectively settle the social problem that the minor goes on line in the internet bar.

The invention provides a method for predicting social attention hotspots in network public opinion events based on group analysis, which can predict the network public opinion events which may be developed into the social attention hotspots, provide decision support for processing the public opinion events, collect related data of the public opinion events, construct a public opinion event set, obtainpublic opinion event relation subgraphs and social attention indexes in different time windows, carry out graph representation learning on data in the public opinion event relation sub-graphs in different time windows through a graph embedding technology to obtain feature vectors of corresponding event relations, and enable the feature vectors of the event relations and corresponding social attention indexes to form a two-tuple, construct a time sequence prediction model based on a bidirectional long-short-term memory neural network, input the two-tuples into the model for training iteration until the model converges, input new public opinion events into the model to obtain social attention indexes of the new public opinion events in future time, and select the public opinion event with the maximum social attention index as a predicted social attention hotspot.

The invention relates to a method for preparing a calcium sulfate whisker from low-grade natural gypsum or gypsum tailings. The method comprises the following steps of: firstly, purifying low-grade natural gypsum or gypsum tailings by crystallizing; pulverizing, screening, adding into an acid with a specific solubility, and heating to a certain temperature to dissolve the acid completely; then carrying out solid-liquid separation while the liquid is hot, removing undissolved solid-phase impurities, cooling and recrystallizing the liquid phase, carrying out solid-liquid separation, washing a filter cake with water, and drying to obtain high-purity gypsum; and then preparing suspension with a certain concentration from the high-purity gypsum, adding a certain amount of whisker growth promoting agent into the suspension, and synthesizing the calcium sulfate whisker at a high length-diameter ratio under the hydrothermal condition. The process provided by the invention is used for producing the chemical product (calcium sulfate whisker) with a high additional value from the abundant low-cost low-grade natural gypsum or tailings thereof, thus the production cost can be reduced effectively. In addition, the production process is clean and environment-friendly, and the process has high popularization and application values.

The invention mainly discloses a non-pressure bearing split type light control solar water heater which mainly comprises a heat collector and a light control integrator. A water tank and the heat collector are arranged in a split manner, and the whole system is controlled by the light control integrator. The water tank is a non-pressure bearing insulation water tank, the heat collector consists of a plurality of vacuum tubes which are transversely arranged, and the position of the heat collector is higher than that of the water tank. The solar water heater is composed of the heat collector, the light control integrator, a light sensor, a main aqueduct and a branch aqueduct, a water returning device, a circulating pump, a solenoid valve, the water tank and the like parts, which can achieve integration of the solar water heater and the building, the independent installation and greatly improved forced circulating heat efficiency; the main aqueduct and the branch aqueduct can cause the heat collector to realize thorough exchange between the cold water and the hot water, the light control integrator can cause the whole system to operate automatically and aperiodically, which greatly improves the work efficiency of the system; the water returning device can cause the hot water in the vacuum tubes to return to the water tank for use, prevent frost crack of the vacuum tubes of the heat collector under the conditions of low light intensity, low temperature or ultra-low temperature, and greatly relieve the thermal efficiency reduction caused by scale deposit generated in the vacuum tubes.

Provided is a metallurgy sintering resource utilizing method for waste incineration fly ash. The method includes the following steps of (A1) a fly ash pretreatment step, (B1), a burdening step, (C), auniform mixing and pelletizing step and (D) a sintering step, wherein in the (A1) step, the waste incineration fly ash and a binding agent are stirred and mixed uniformly, and a fly ash mixed material is obtained; in the (B1) step, the obtained fly ash mixed material and other raw materials are mixed, and are mixed uniformly, and a sintering mixed material is obtained; in the (C) step, after theprimary sintering mixed material is subject to first mixing and second mixing through a mixer, a sintering uniformly mixed material is obtained; and in the (D) step, the sintering uniformly mixed material is placed into a sintering machine trolley for sintering. According to the method, effective chemical components in the fly ash, city sludge and steel and iron metallurgy dust removing ash are utilized for metallurgy sintering to achieve resource utilizing.

On one hand, traditional packaging boxes and packaging tape auxiliary materials cannot be recycled, and social resources are wasted; on the other hand, the materials cannot be degraded, great contamination is caused to the social environment. For solving the problems, on the basis of the cloud computing technology, the wireless communication technology and the electronic lock technology, the invention provides a packaging box recycling management system to recycle packaging boxes. The management system is composed of a cloud platform, a smartphone of an embedded client, a packaging box and a packaging box frame. The identity relevance among the packaging box, the packaging box frame and the client is built through graphic codes. The cloud platform is used for controlling the packaging boxes, transfer authority and unlocking authority. The cloud platform is used for supervising the packaging box frame to manage and recycle the packaging boxes.

The invention discloses class C40 slag-doped recycled aggregate self-compacting concrete and a production method thereof; the Class C40 slag-doped recycled aggregate self-compacting concrete comprises 1 part of water, 3.089 parts of natural coarse aggregate, 1.322 parts of recycled coarse aggregate, 3.822 parts of fine aggregate, 1.941-2.183 parts of cement, 0.2426-0.4851 part of slag, 0.609 part of fly ash, 0.064 part of added water, and 0.00495-0.0124 part of an admixture. The class C40 slag-doped recycled aggregate self-compacting concrete has good mobility, filling performance and segregation resistance, both gradual loss and strength of the concrete meet the related requirements of buildings, the production method is simple, the production cost of self-compacting concrete under same ratio and strength is lowered, the slag and building waste treatment problem is solved, the burden of resource exhaustion is relieved, and the concrete and the production method thereof are green and suitable for industrial production.

The invention discloses a process for municipal and metallurgical refractory solid waste synergic resource utilization. The process comprises the following steps that 1) distribution is performed, wherein garbage incineration fly ash in a garbage incineration fly ash bin and metallurgical dust in a metallurgical dust bin pass through a vibration hopper and a feeding machine, and then are conveyedto a mixing device; 2) mixing is performed, wherein mixing is performed by the mixing device, and then mixed powder is obtained; 3) damp grinding is performed, wherein damp grinding is performed on the mixed powder, and the mixed powder subjected to damp grinding is obtained; and 4) pelletizing is performed, wherein pelletizing is performed on the mixed powder subjected to damp grinding, and powder pellets are obtained; 5) drying is performed, wherein drying is performed on the powder pellets, and the dried powder pellets are obtained; 6) preheating is performed, wherein preheating is performed on the dried powder pellets, and the preheated powder pellets are obtained; and 7) roasting is performed, wherein high-temperature chlorination roasting is performed on the preheated powder pellets.According to the process, the garbage incineration fly ash is used as a chlorinating agent, the heavy metal metallurgy dust containing lead, zinc and the like is treated by adopting the high-temperature chlorination roasting process, a flue gas treatment process, a valuable metal recovery process and other processes are adopted.

The invention relates to a hospital treatment information real-time interactive system which comprises one or more hospital information issuing platforms, city information management platforms and one or more user receiving terminals. The hospital information issuing platforms are positioned in city hospitals, and the city information management platforms are in wireless connection with the hospital information issuing platforms to receive hospital treatment data and transmit the hospital treatment data needed by the user receiving terminals in a wireless mode according to requests of the user receiving terminals. By means of the hospital treatment information real-time interactive system, users can inquire dynamic treatment information of hospitals in the city at any position in real time, treatment reference data of other hospitals can be provided when the expected treatment hospital cannot be registered, and therefore, treatment of patients and rational flow of medical workers are facilitated.

The invention relates to the field of preparation of high purity gypsum and particularly relates to a method for purifying low-grade natural gypsum or gypsum tailings by recrystallization. The method provided by the invention mainly comprises the following six steps: crushing; screening; dissolving; crystallizing; washing; and drying. The method specifically comprises the following steps: crushing and screening the low-grade natural gypsum or gypsum tailings; then, adding the low-grade natural gypsum or gypsum tailings into an acid at special solubility; heating to a certain temperature till the low-grade natural gypsum or gypsum tailings is/are fully dissolved; carrying out solid-liquid separation to remove undissolved solid phase impurities while the solution is hot; cooling, recrystallizing a liquid phase at a relatively low temperature and carrying out solid-liquid separation; and washing and drying a filter cake to obtain the high purity gypsum. The liquid phase in the dissolving and crystallizing processes can be repeatedly used. According to the method provided by the invention, proper raw material granularity, solid liquid ratio, temperature and acid concentration are selected and the raw materials are dissolved and crystallized for a certain time to prepare gypsum with relatively high purity, so that the grade or performance of the gypsum is remarkably improved.

Disclosed is a curved track simulation device. The curved track simulation device is configured such that a base board can rotate and tilt to the left or right and embody left or right cornering motion on an upper surface of a track belt that is rotating and circulating forward and rearward, thus making it possible for a user to feel a sensation as if he/she is enjoying a driving-based or sliding-based leisure activity or sport, and which can appropriately use a combination of frictional force and slippage which are created when the track wheel rotates to the left or right on the track belt, thereby satisfying the dual function of providing both amusement and exercise.

The invention discloses C20-grade steel-slag-doped recycled aggregate self compact concrete and a preparation method thereof. The C20-grade steel-slag-doped recycled aggregate self compact concrete is prepared from the raw materials in mass fraction: 1 part of water, 3.089 parts of natural coarse aggregate, 1.322 parts of recycled coarse aggregate, 3.822 parts of fine aggregate, 0.970 to 1.213 parts of cement, 1.213 to 1.455 parts of steel slag, 0.609 part of coal ash, 0.064 part of added water and 0.00495 to 0.0124 part of additive. The concrete disclosed by the invention has good fluidity, filling property and segregation resistance; gradual loss and strength of the concrete both can meet relevant requirements of buildings; meanwhile, the preparation method is simple, production cost is reduced compared with self compact concrete with the same strength, the problem of processing steel slag and building rubbish is further solved, and resource exhaustion pressure is relieved; the concrete is green, environment-friendly and suitable for industrial production.

The invention discloses a municipal and metallurgy difficult-to-treat solid waste collaborative resource utilization system. The system comprises a material proportioning device 1) which comprises a stock bin, a mixing device 2), a damp grinding machine 3), a ball making machine 4), a drying device 5), a preheating device 6), and a baking device 7), wherein the stock bin is connected with the mixing device through a first mineral material conveying device, the mixing device is connected with the damp grinding machine through a third mineral material conveying device, the damp grinding machineis connected with the ball making machine through a fourth mineral material conveying device, the ball making machine is connected with the drying device through a fifth mineral material conveying device, the drying device is connected with the preheating device through a sixth mineral material conveying device, and the preheating device is connected with the baking device through a seventh mineral material conveying device. According to the system, waste incineration fly ash is used as a chlorinating agent, and a high-temperature chlorination roasting process is adopted to treat heavy metal metallurgy dust including lead, zinc and the like.

The invention relates to a data analysis and positioning region early warning system and method based on pressure-sensitive shoe pads. Pressure sensors monitor pressure, and process the pressure dataand transmit the pressure data to a first master controller, a GPS positioning chip transmits a received satellite positioning signal to the first master controller in real time, and a first controller packages and sends received data and a user code. A terminal system decompresses the packaged data and then analyzes the pressure data, whether the pressure data exceeds a threshold is judged, if the pressure data exceeds the threshold, an audible and visual alarm is started to give an alarm; at the same time, a second controller sends the received packaged data to a server for storage in real time, a user host networked with the server can call and check stored data, and can make a pressure analysis standard balance line to carry out data analysis. The data analysis and positioning region early warning system can also define a real-time monitoring region, and carry out early warning when a monitoring target object is out of the monitoring region, and grasp the dynamic state of the monitoring object in real time.

The invention provides C40-grade steel slag sand self-compacting concrete, wherein the water-binder ratio is controlled between 0.3 and 0.7; the C40-grade steel slag sand self-compacting concrete is prepared from the following components in parts by weight: 2-10 parts of steel slag sand, 2-10 parts of glass beads, 2-10 parts of cement, 7-10 parts of natural coarse aggregates, 2-6 parts of recycled coarse aggregates, 2-10 parts of sand, 0.5-1.1 parts of coal ash and 2-10 parts of water. The obtained self-compacting concrete has good mobility, gap passing ability and segregation resistance, and meets the strength requirements. The production cost of the concrete is reduced while construction is facilitated, and the preparation method is simple and suitable for industrial production.

The invention discloses a rain and sewage diverter for a building vertical pipe, which comprises an outer pipe and a beam pipe which is connected with the inner wall of the outer pipe and is arranged in the outer pipe, the pipe wall of the outer pipe above the beam pipe is provided with a rainwater overflow port and an access hole, the beam pipe is funnel-shaped and is provided with a horn mouth and a straight drainage pipe section which is located at the lower end of the beam pipe and has the pipe diameter smaller than that of the outer pipe. When the diverter is used, the upper end is directly connected to a downpipe of a building, the lower end is connected to a municipal sewage pipe network, and the overflow port is connected to a municipal rainwater pipe network; the diverter is low in production cost and convenient to install and use, the situation that sewage pollutes a rainwater pipe network and the building environment can be effectively avoided, and great economic and social benefits can be brought after application and popularization.