45results about How to "Avoid secondary waste" patented technology

The invention belongs to the field of production and preparation of inorganic functional materials, and particularly relates to a process for preparing single-phase sodalite from fly ash, which comprises the following steps: pretreating fly ash by an alkaline fusion method; proportionally adding the activated fly ash, aluminum hydroxide and sodium hydroxide solution into a polytetrafluoroethyleneinner container, evenly mixing, and carrying out hydrothermal crystallization in a sealed constant-temperature drying oven; and finally, filtering the product, washing until the product becomes neutral, and drying to obtain the single-phase sodalite material. The invention successfully synthesizes the low-cost single-phase sodalite zeolitization material by using solid waste-fly ash as the raw material for production. The process has the advantages of low cost, abundant sources of raw material, controllable product performance, no secondary pollution and the like, is simple and easy to operate, and thus, has great industrial application potential.

The invention discloses a reuse treating method of flying ash of incinerators, which at least comprises the steps of primary stable resin encapsulating processing, granulation processing, secondary resin packaging processing of mixing material, molding processing and the like for stored flying ash in a factory, and then, a non-dangerous engineering aggregate finished product is completed. In the whole treatment process of the reuse of the flying ash, water-base resin with low price is firstly used for curing and encapsulating the flying ash, therefore, the treatment method reduces the use quantity of oleoresin with high price and obviously reduces the treatment cost of the reuse of the flying ash. The reused finished product has double layers of resin encapsulating and packaging flying ash and exerts better stable property of low water permeability and low heavy metal dissolution.

The invention discloses an excess material cutting device specially used for textile equipment. The bottom of a cutting device body is provided with a pedestal. The top of the pedestal is provided with a cutting bench. The two sides of the top of the cutting bench are provided with supports. The top ends of the supports are provided with a chute. One end in the chute is provided with a R280 motor.One end of the R280 motor is fixedly connected to a screw. The outer side of the screw is provided with a slide plate. The top of the slide plate is provided with an electric cylinder. The bottom endof the electric cylinder is fixedly connected to a telescopic rod. The bottom of the telescopic rod is provided with a cutting knife. The two ends of the supports are provided with compaction components. The top ends of the compaction components are provided with springs. The bottom ends of the springs are installed with a pressing plate. The bottom ends of the supports are provided with an electromagnetic plate. The bottom of the pedestal is provided with truckles. In the invention, the electromagnetic plate and the pressing plate are cooperatively used, an excess material can be compacted and is prevented from moving during a cutting process, the device is simple and practical, the cutting effect of the cutting device body is increased, and simultaneously, a secondary waste is avoided,and the utilization rate of resources is increased.

The invention discloses a one-piece Chinese-style armored door which is composed of a door frame, a door leaf, a door lock side covering edge, a hinge side covering edge, a door lock, a hinge and a door core. A two-piece Chinese-style armored door which is composed of a door frame, a child door leaf, a mother door leaf, a door lock side covering edge, a hinge side covering edge, a door lock, a hinge, a child door core and a mother door core. A manufacture and installation process of the one-piece Chinese-style armored door comprises the steps of manufacturing the door frame, manufacturing the door core, manufacturing the covering edges and a cover plate, assembling the door frame and the door core, manufacturing a veneer and assembling the veneer. A manufacture and installation process of the two-piece Chinese-style armored door comprises the steps of manufacturing the door frame, manufacturing the child door core and the mother door core, manufacturing the covering edges and a cover plate, assembling the door frame and the door core, manufacturing a child veneer and a mother veneer and assembling the veneers. By the adoption of the one-piece Chinese-style armored door or the two-piece Chinese-style armored door, the problem that door sheets are damaged in the cross construction process is solved; secondary waste caused by replacement and maintenance of a damaged door set is avoided, and environmental protection is facilitated; production and construction procedures are simplified, labor cost is reduced by 40%, and leakproofness, the sound insulation effect and the heat insulation effect are good.

The invention discloses a regenerated papermaking wastewater treatment system. The regenerated papermaking wastewater treatment system comprises an inclined screen, a primary settling tank, a reinforcing tank, a secondary settling tank, an air floatation tank, a filter, a sludge thickener, a sludge anaerobic digester and a filter press. The inclined screen, the primary settling tank, the reinforcing tank, the secondary settling tank and the air floatation tank are sequentially connected through pipelines. The sludge thickener and the sludge anaerobic digester are sequentially connected through a pipeline. The reinforcing tank comprises an acid water dissolution tank and an oxygen tank. The filter is arranged between the air floatation tank and the sludge thickener. The filter press is connected with the sludge anaerobic digester. A large number of clean and impurity-free hot water working media can be recycled, water temperature is high, the hot water working media can be directly fed into a boiler to be recycled without chemical water treatment, therefore, production cost is reduced, and the purposes of saving energy and reducing consumption are achieved.

The invention discloses a dry ash sealing telescopic bulk device, and relates to the technical field of dry ash conveying. The dry ash sealing telescopic bulk device comprises a discharging pipe and a tank car, wherein a feeding hole is formed in the middle end of the top of the tank car, six groups of telescopic sleeves are arranged at the bottom of the discharging pipe, the bottoms of the inner walls of the upper group of telescopic sleeves make contact with the outer walls of the tops of the lower group of telescopic sleeves in an attached mode, the bottom of the telescopic sleeve at the lowest end is fixedly connected to a discharging inner ring, the outer wall of the upper end of the discharging pipe is fixedly connected to a dust collection sleeve, the top of the dust collection sleeve is fixedly connected to a straight pipe, the straight pipe is connected to a filtering structure used for filtering dust, the filtering structure has a blockage clearing function, the top of the straight pipe is in threaded connection with the straight pipe, and the side wall of the straight pipe is fixedly connected to a supporting ring. According to the above solution, no gap exists after each stage of telescopic sleeves is expanded, so that dry ash does not escape due to the existence of pressure difference in the falling process of the discharging pipe.

The invention discloses a preparation method of domestic waste incineration slag comprehensive stabilized soil. The preparation method comprises the following steps: (1) preparing domestic waste incineration slag; (2) carrying out crushing; (3) respectively selecting 5-20 parts of domestic waste incineration slag with particle size of 2.36mm-4.75mm, 10-20 parts of domestic waste incineration slagwith particle size of 1.18mm-2.36mm, 10-20 parts of domestic waste incineration slag with particle size of 0.600mm-1.18mm, 10-20 parts of domestic waste incineration slag with particle size of 0.300mm-0.600mm, 10-20 parts of domestic waste incineration slag with particle size of 0.150mm-0.300mm and 5-10 parts of domestic waste incineration slag with particle size of 0-0.150mm; (4) doping a curingagent; and (5) adding the mixture obtained in the step (4) into plain soil, adding a proper amount of water, and stirring. After metals are removed from the domestic waste incineration slag, the domestic waste incineration slag is applied to fillings of a pavement, so that the sorting time and the treatment cost are avoided; and the domestic waste incineration slag can be maximally utilized, so that secondary waste is avoided.

The invention relates to a multi-stage phase change recovery and storage device for heat in continuous casting and billet cooling processes. A phase change energy storage material is used for recovering and storing a large amount of high-temperature heat generated in continuous casting and high-temperature billet stacking and cooling processes in a metallurgy process. The device comprises a high-temperature continuous casting process phase change recovery energy storage cover, a billet conveying device, a billet stacking cooling chamber and a control system. The high-temperature continuous casting process phase change recovery energy storage cover is used for recovering and storing heat energy in the continuous casting process, and the billet stacking cooling chamber is used for recoveringand storing heat energy in the billet cooling process. The device has the beneficial effects that a large amount of heat released in the high-temperature metal continuous casting process and the billet stacking and cooling process is recovered and stored by using the phase change energy storage material in a multi-stage mode, the recovered and stored heat is used for steam power generation, heatrecovery is sufficient, and meanwhile the energy utilization rate is increased.

The invention relates to the technical field of solid waste recycling treatment, is used for the garbage environment-friendly recycling industry, and particularly relates to a glass crushing method and a crushing device. According to the glass crushing method and the crushing device, the particle size of crushed glass particles can be effectively controlled in the glass waste crushing process, andthe formation of powdery glass particles can be greatly reduced, so that glass reclaimed material particles can be effectively detected, identified and screened out of high-temperature-resistant glass by a high-temperature-resistant glass detection device, the high quality of the recycled glass material is ensured, a large amount of waste glass regeneration products can be prevented from being scrapped, normal recycling of glass waste products is ensured, secondary waste of resources is avoided, and healthy development of the environmental protection industry is facilitated.

The invention provides a low-energy-consumption environmentally-friendly magnetized calcination tailing cooling processing system which comprises a closed tailing cooling tank. The cooling processing system is characterized in that the closed tailing cooling tank is vertically arranged, the upper portion of the closed tailing cooling tank is provided with a material inlet, the lower portion of the closed tailing cooling tank is provided with a material outlet, and the tank is internally and vertically provided with a water circulating spiral conveying pipe; the water circulating spiral conveying pipe comprises a water circulating spiral cavity and a material spiral sliding channel, the material spiral sliding channel is located on the upper surface of the water circulating spiral cavity and is spiral downwards together with the water circulating spiral conveying pipe; and the water circulating spiral cavity comprises a water inlet and a water outlet.

The invention discloses a drilling device for automatically detecting the center of a needle tail based on machine vision. The drilling device comprises a drilling device body and is characterized in that a drilling cooling mechanism is arranged at the top of the drilling device body, an iron collecting mechanism is arranged below the drilling device body, the iron collecting mechanism is connected with the drilling cooling mechanism through a pipeline, spraying mechanisms are connected to the two sides of the drilling cooling mechanism through pipelines, and are connected with the iron collecting mechanism through pipelines, the drilling cooling mechanism comprises a cooling shell, a rotating shaft is connected to a middle bearing of the cooling shell, a drill bit is fixed to the bottom of the rotating shaft, a rotating disc is fixed to the surface of the rotating shaft, three sets of sliding cavities are formed in the middle of the rotating disc, counterweight balls are slidably connected to the interiors of the three sets of sliding cavities, and elastic films are connected to one sides of the three sets of sliding cavities. The drilling device has the characteristics of being high in practicability, and capable of improving the drilling quality.

The invention discloses an intelligent odorless garbage storage method and system. To solve the problem of peculiar smell of garbage cans, recyclable garbage cans, kitchen garbage cans, harmful garbage cans and other garbage cans are arranged on the front portion of a garbage storage room, each garbage can is internally provided with a garbage can body which can be moved out, and the lower part, the middle part and the upper part of each garbage can body are respectively provided with a garbage can front door, a garbage throwing front door and a display for displaying the garbage throwing condition in the garbage can; a negative pressure exhaust inlet is formed in the inner wall of the garbage can body and is communicated with a filter, a negative pressure pump and a negative pressure discharge pipe of a sterilization and deodorization box; an electronic switch linked with the garbage throwing front door is electrically connected with and controls the negative pressure pump through an intelligent controller; and when garbage is thrown into the front door, the intelligent controller starts the negative-pressure pump to conduct negative pressure discharging of the space in the garbage can, and peculiar smell is prevented from overflowing from the garbage throwing front door by forming the negative pressure condition of the garbage can and the garbage can. The system has the advantages that peculiar smell cannot overflow during garbage throwing, the garbage classification throwing enthusiasm and quality efficiency are remarkably improved, and the surrounding atmospheric environment is protected.

The invention discloses an underground variable-frequency constant-pressure water supply system, which comprises a reservoir, a main pump and a pore plate. The main pump is connected with a variable-frequency control device, the variable-frequency control device automatically adjusts the rotation speed of a motor of a water pump in a frequency-variable manner according to change of pressure signals of the system, and the requirement on constant-pressure water supply of the water supply system is met. The underground variable-frequency constant-pressure water supply system directly utilizes underground water resources, the pressure is freely set according to needs of equipment by the aid of variable-frequency constant-pressure water supply technology, and utilization rate of the water resources is improved; secondary waste of energy is avoided, and furthermore, a large quantity of electric energy can be saved by the aid of the frequency-variable technology when flow is changed within a large range; steady precision of the pressure is improved, and the safety running performance and the reliability of production water equipment can be obviously improved; maintenance cost is greatly lowered due to automatic constant-pressure water supply, and unattended operation can be realized; and the underground variable-frequency constant-pressure water supply system guarantees that the pressure is within an allowable range.