9results about How to "Flexible ratio" patented technology

The invention relates to the technical field of pretreatment of forming materials, and discloses an automatic proportioning method and device for a conductive grouting tracing material. The technical problem that in the prior art, in the grouting reinforcement process of a foundation pit, the design of the proportion of a conductive tracing material lacks an automatic means, and consequently the electrical resistivity tomography (ERT) effect is poor is solved. The method comprises the following steps: data acquisition and collection; setting parameters and formulating a construction scheme; the grouting ratio is controlled, and construction measures are determined; automatic matching generation and output; and automatic real-time feedback and correction are realized. Through the automatic matching design method, the construction efficiency and the monitoring precision of the foundation pit grouting reinforcement project are remarkably improved, and the necessity of manual intervention and the potential construction risk are reduced. A high-precision sensor and an advanced data analysis tool are combined, dynamic monitoring and intelligent feedback adjustment of the tomography effect in the whole construction process are achieved, and service is provided for engineering quality and construction safety.

The invention discloses packaging equipment for prefabricated food production, and relates to the technical field of prefabricated product production, the packaging equipment comprises a packaging conveying belt group used for conveying packaging boxes, a support is arranged on one side of the packaging conveying belt group, and a processing mechanism used for adding preset food materials into the packaging boxes is arranged on the support; a packaging mechanism used for packaging an upper end opening of a packaging box is arranged on the downstream portion of the feeding mechanism, the feeding mechanism comprises a plurality of material receiving shells, an upper end material receiving opening is formed in the upper end of each material receiving shell, a discharging nozzle is arranged at the position of each upper end material receiving opening, the upper end of each discharging nozzle is connected with at least two sets of storage tanks used for storing food materials, and each storage tank is connected with the corresponding packaging box. The automatic feeding device is designed according to existing requirements, synchronous feeding of various food materials can be completed at a time, the food material proportion can be adjusted in real time according to the requirements, rotating airflow can be generated while loading is conducted, rapid discharging of the food materials is assisted, and the discharging efficiency can be improved.

The invention relates to the field of biomass fuels, and provides a new energy biomass coupling fuel and a preparation method thereof, the fuel is specifically formed by mixing and processing straws, other agricultural and forestry wastes and coal; wherein the straw and other agricultural and forestry wastes account for 10%-90% by weight, and the corresponding coal accounts for 90%-10% by weight; meanwhile, the production process comprises the steps of a) mixing, b) crushing, c) impurity removal, d) drying and e) cooling. According to the invention, different proportions correspond to different heat values, the use in multiple fields is met, the use range is expanded, the volatile value is stable, the emission of harmful gas is reduced on the basis of greatly reducing the sulfur content, and the basic national policy of energy conservation and emission reduction in China at present is met.

This invention discloses a phosphorus slag-based cementitious material, its preparation method, and its application, specifically relating to the field of cementitious materials technology. The cementitious material, by weight, comprises the following components: 60-90 parts phosphorus slag powder; 5-25 parts fly ash; 5-15 parts activator; 0.25-1.5 parts early-strength agent; and 0.2-0.5 parts water-reducing agent; wherein the specific surface area of ​​the phosphorus slag powder is 400-550 m². 2 / kg, particle size (D) 90 The particle size is 20-40 μm; the early-strength agent is selected from at least one of iron salts and aluminum salts. This invention uses phosphorus slag micro-powder with a specific specific surface area as the main substrate, with a high dosage, combined with fly ash, activator, early-strength agent, and water-reducing agent to obtain phosphorus slag-based cementitious materials. By optimizing the physical properties of the phosphorus slag micro-powder and constructing a suitable composite activator-early-strength system, the 28-day compressive strength of the cementitious material reaches over 61.0 MPa, achieving a balance between "high phosphorus slag content" and "high strength".

The utility model discloses a multifunctional reusable intelligent inhaling device which comprises a base, a medicine spraying device is installed in the base, a medicine mixing bag is arranged in the base and located above the medicine spraying device, when the medicine spraying device works, medicine liquid is sucked from the medicine mixing bag, and when the medicine spraying device works, the medicine liquid is sucked from the medicine mixing bag. A spray nozzle is arranged on the outer side of the base and communicated with the pesticide spraying device, a button connected with the pesticide spraying device is installed at the top of the spray nozzle, after the button is pressed down, the pesticide spraying device sprays pesticide outwards through the spray nozzle, three micro pumps are annularly arranged at the top of the pesticide mixing bag, and the three micro pumps are communicated with the pesticide mixing bag. A connecting device is arranged at the top of the micro pump, a cabin is arranged above the base, and a medicine hole corresponding to the connecting device is formed in the top of the cabin; the device can be adjusted according to the administration dosage requirement, so that the administration is more accurate, and the flexible proportioning of medicines can be realized.

The utility model discloses an indoor foaming system for subway shield foam. The indoor foaming system comprises a glass container, an air compressor, a mixing barrel, a foam generating device and a spray head, the output end of the glass container is connected with the input end of the mixing barrel, and the output end of the mixing barrel is connected with the first input end of the foam generating device; the air compressor is connected with the second input end of the foam generating device; the output end of the foam generating device is connected with the nozzle. The technical problems that in an existing subway shield muck improvement test, the experimental environment is prone to being interfered, needed foam is not easy to obtain, foam is not quantitatively produced, and the foaming efficiency is low are solved, accurate control over the concentration, flow and pressure of foam mixed liquid is achieved, therefore, the proportion of the foam mixed liquid is more flexible, the requirement needed by the experiment is conveniently met, and the experiment efficiency is improved. And the foaming efficiency and the foaming quantity are improved.

A stirring device arranged on an aluminum foil rolling oil drum comprises a stirring pipe, one end of the stirring pipe is arranged in the oil drum, and stirring blades are arranged on the stirring pipe arranged in the oil drum. The other end of the stirring pipe is exposed out of the oil drum and is provided with an additive injection port; a stirring motor is arranged on one side of the stirring pipe exposed out of the oil drum, and is connected with the stirring pipe through a transmission part. The additive injection port is used for putting an additive into the oil drum and sampling a mixed solution in the oil drum, so that the additive is injected while stirring, the stirring uniformity of the mixed solution is improved, and the mixed solution in the oil drum can be conveniently sampled. When the stirring pipe does not rotate, the stirring blades vertically fall into the connecting grooves of the stirring pipe due to gravity, and when the stirring pipe rotates, the stirring blades extend outwards along with the rotational inertia of the stirring pipe; therefore, the stirring pipe can extend into the oil drum through the port of the oil drum and can stir the mixed liquid in the oil drum.

The invention discloses an environment-friendly long-acting antifouling paint and a preparation method thereof, and belongs to the technical field of paint materials and antifouling. The environment-friendly long-acting antifouling paint comprises the following components in parts by weight: 30-50 parts of a component A, 25-45 parts of a component B, 8-25 parts of a functional body, 1-5 parts of color paste and 0.3-3 parts of an auxiliary agent, the component A is an aliphatic isocyanate prepolymer which is prepared from aliphatic isocyanate and castor oil through a reaction, and the specific preparation raw materials comprise the following components in parts by weight: 20-40 parts of aliphatic isocyanate and 10-20 parts of castor oil; the component B is polyaspartic acid ester, and the molecular weight of the polyaspartic acid ester is 800-1500 g / mol; the castor oil has good reaction activity with aliphatic isocyanate, can significantly improve the flexibility of a prepolymer (polyurea precursor) and the cohesiveness with a base material, and can optimize the compatibility of the polyurea precursor with polyaspartic acid ester with the molecular weight of 800-1500 g / mol, thereby improving the mechanical stability and weather resistance of the whole polyurea paint coating. The technical problem that an existing coating material cannot give consideration to synergistic improvement of environmental protection property and mechanical property is solved.

This disclosure relates to the technical field of equipment for grinding wheel production. One embodiment of this disclosure provides a feeding device for grinding wheel production, comprising: an equipment frame, a first cylinder, a second cylinder, and a pair of pusher plates. The first cylinder and the second cylinder are respectively mounted on the two side surfaces of the equipment frame. The pusher plates are located at the output ends of the first cylinder and the second cylinder. A top frame is fixed to the top of the equipment frame. A leveling component is mounted on the top frame. Both a low-level material tank and a high-level material tank are mounted on the equipment frame and fixed to a support. A conveying pipe is provided at the bottom of both the low-level and high-level material tanks. A spiral pusher is installed inside the conveying pipe, and the spiral pusher is rotated by a motor. A discharge pipe is provided at the bottom of the conveying pipe. This technical solution solves the technical problem that existing grinding wheel production feeding machines generally use a single feeding mechanism and rely solely on high-quality materials for production, a traditional model that brings many problems that urgently need to be addressed.