4results about How to "Help recycling" patented technology

This utility model relates to the field of incinerator technology and provides a vertical waste treatment incinerator, including a furnace body; a feeding structure located on the side wall of the furnace body; and a slag discharge structure located at the lower part of the furnace body. The slag discharge structure includes a slag discharge channel located on the outer side wall of the furnace body, and an annular heat absorption groove is provided on the outer side of the slag discharge channel, which is filled with a heat source for heat absorption. A drying chamber and a fan are sequentially arranged on the upper part of the furnace body adjacent to the slag discharge channel. By setting an annular heat absorption groove and heat-conducting plates on the outside of the slag discharge channel, this utility model can not only efficiently recover the heat released during the slag discharge process for drying the waste about to enter the incinerator, thereby improving incineration efficiency and reducing external energy input, but also effectively extend the service life of key system components and maintain the stability and energy utilization efficiency of the system by reducing the temperature of the slag discharge channel, preventing heat backflow, and ensuring the safe discharge of ash and slag.

This invention discloses an apparatus and method for achieving deep nitrogen removal and phosphorus recovery through dual short-range coupled anammox fermentation using in-situ sludge fermentation. First, calcium chloride solution is added to the anammox reactor at the rear end of a two-stage PNA process to form recoverable phosphorus crystals such as Ca-P precipitates. Anaerobic ammonia oxidizing bacteria attach to the surface of the precipitates, thereby enriching and retaining them within the anammox reactor. During the continuous formation of anaerobic ammonia oxidizing particles, unfermented waste activated sludge is added to the PNA process. The slow hydrolysis and acidification of the waste activated sludge provide a carbon source for the short-range denitrifying bacteria, completing the transformation from single-stage PNA autotrophic nitrogen removal to dual short-range coupled anammox synergistic nitrogen removal. In this invention, the anaerobic ammonia oxidizing bacteria in the granular sludge after operation can reach 12%, 73% of the sludge exhibits a particle size greater than 200 μm, and the total nitrogen removal rate remains above 90%, with most phosphorus existing in the recoverable form of Ca-P crystals.

The invention relates to the technical field of desulfurization wastewater treatment, in particular to a desulfurization wastewater desilting method and system.The desulfurization wastewater desilting method comprises the steps that chemicals are added into desulfurization wastewater, and the desulfurization wastewater added with the chemicals enters an industrial wastewater pool for solid matter static precipitation; carrying out discharge treatment on the wastewater after the solid matters are precipitated to a preset liquid level, and stopping the treatment; performing pneumatic automatic stirring and automatic discharging on solid matters in the industrial wastewater pool through aeration; and discharging the stirred mud-water mixture to a desulfurization wastewater pre-sedimentation tank for sedimentation. The device and the method have the beneficial effects that the removal efficiency of solid matters in the desulfurization wastewater is effectively improved, the manual cleaning cost and time are reduced, the problems of water quality deterioration and membrane system blockage are avoided, the continuity and stability of wastewater treatment are ensured, environmental protection and resource recovery are facilitated, and in addition, the device and the method have good application prospects. According to the invention, the wastewater recycling standard can be reached only through one-time dosing, the treatment efficiency is improved, the use of chemicals is reduced, and the potential pollution to the environment is reduced.

The utility model provides a simple type wire feeding mechanism for threading board belongs to mechanical technical field, it solved the problem of inconvenient operation of current wire feeding mechanism. This simple type wire feeding mechanism for threading board includes: bottom plate, is installed through support at the bottom of threading board, the back of bottom plate is fixed with motor, and the output shaft of motor passes through bottom plate and is fixedly connected with driving gear; Wire feeding assembly is provided as two groups in parallel, two wire feeding assemblies are located on the face of bottom plate, each wire feeding assembly includes two pairs of wire feeding units, and each wire feeding unit includes wire feeding wheel and pressure wire wheel which are mutually pasted, and each wire feeding wheel and pressure wire wheel is distributed along a straight line respectively; Wire feeding pipeline passes through each wire feeding unit and is connected with threading board, and steel wire is arranged in wire feeding pipeline, the motor can drive each wire wheel to rotate, and further drives steel wire to move along wire feeding pipeline and enters or exits threading board. The utility model has the characteristics of easy operation.