37results about How to "Increase the amount of work" patented technology

The invention discloses a bladeless turbine engine. The bladeless turbine engine comprises a cylinder, a rotating shaft, a plurality of empty chamber disk bodies, a plurality of tie bars, a plurality of heat pipes, a steam inlet pipe, a spray pipe group, a separation plate and a steam exhaust pipe. A certain pressure and temperature of viscous fluid spirally and centripetally flows in the cylinder from outside to inside along the circumferential direction after being expanded and accelerated through a spray nozzle and the plurality of empty chamber disk bodies and the rotating shaft are driven to rotate and do work together under the action of shear force of the fluid in a boundary layer. The plurality of different diameters of circular ring tie bars are arranged in every empty chamber disk body for reinforcement, a filled gas cooling medium is used for absorbing the heat dissipation capacity of every empty chamber disk body, and the heat is transferred into an inner chamber of a hollow drum of the rotating shaft from an inner chamber of every empty chamber disk body through the heat pipes to be absorbed through the low temperature exhaust steam eventually. According to the bladeless turbine engine, the energy conversion efficiency is high, the structure is firm and durable, the tensile strength and distortion strength are high, the deformation caused by overhearing is effectively prevented, the unit power is large, and the future application process of the bladeless turbine engine is greatly promoted.

The invention provides an integrated tower column container type machine room foundation and a construction method thereof and a communication signal tower. The foundation comprises a foundation bottom plate which is a concrete plate, a foundation core column which is a concrete column and is positioned on the foundation bottom plate in a rigid connecting manner, a core wall board which is a concrete wall board and is positioned on the foundation bottom plate and rigidly connected with the foundation bottom plate and the foundation core column, a periphery wall board which is a concrete wall board and is positioned on the foundation bottom plate and rigidly connected with the foundation bottom plate and the core wall board, and a foundation top plate which is a concrete plate and is positioned on the foundation core column, the core wall board and the periphery wall board in a rigid connecting manner. According to the integrated tower column container type machine room foundation, the tower column foundation of the communication signal tower and a supporting communication machine room are integrally designed, so that the total cost of the tower column foundation provided with the supporting communication machine room can be greatly decreased.

The gob-side retaining method for avoiding the influence of dynamic pressure in coal seam mining includes the following steps: divide the coal seam mining area, and divide the mining area into several sections; The front end of the roadway is opened and cut, and the mining operation is carried out on the front of the cut to form the working face, and the goaf is formed behind the working face after mining; in the goaf, the position L meters behind the working face is started. Re-repair the first section of the transport level roadway, within the range less than L meters is the temporary support section of the gob-side entry retention. This section adopts a steel frame temporary support structure and is supplemented by a single column to strengthen the support. The invention reduces the cost and difficulty of retaining the roadway, and the work of retaining the roadway and the working face are separated by a certain distance, and the construction does not affect each other. The roadway is more stable and easy to maintain.