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293results about How to "Easy refill" patented technology

Sweeping and smashing integrated machine for fallen leaves

The invention discloses a sweeping and smashing integrated machine for fallen leaves. The sweeping and smashing integrated machine for the fallen leaves comprises a sweeping device, a dust smashing collecting device, four castors, a case, an outer casing, a control handrail, a storage battery and a control system; the cleaning device is installed on the front portion of the case; the dust smashing collecting device is installed on the middle rear portion of the case; the four castors are symmetrically installed at the bottom end of the case; the outer casing is installed at the top of the case; the control handle is connected to the rear portion of the case; the storage battery which is installed in the middle of the case is used for providing electric energy for the sweeping device, the dust smashing collecting device and the control system; the control system which is arranged inside an interior component of the case is used for controlling the sweeping device and the dust smashing collecting device. The sweeping and smashing integrated machine for the fallen leaves is mainly used for sweeping operation of fallen leaves in urban street green belt, a park and a campus lawn greenbelt, the fallen leaves form into leaf fragments after sweeping, collecting and smashing, the space utilization rate of a collection box is improved, and convenience is provided for follow-up processing.
Owner:HEFEI WISDOM DRAGON MACHINERY DESIGN CO LTD

Differential pressure forming method for local large-deformation hollow pieces

The invention discloses a differential pressure forming method for local large-deformation hollow pieces and belongs to the technical field of manufacturing of metal hollow members. The differential pressure forming method includes steps of firstly placing a pipe billet into a rear die, loading a punch into the pipe billet and sealing; injecting high-pressure liquid to the inner and outer surfaces of the pipe billet at the same time, keeping pressure in the pipe billet larger than the pressure of the outer surface of the pipe billet and forming controllable pressure difference; pushing the punch to axially feed to realize material supplement by the aid of a hydraulic cylinder, and enabling the pipe billet to generate local large deformation under the action of inside and outside hydraulic differential pressure; finally, discharging the high-pressure liquid and obtaining a local large-deformation hollow piece. By controlling inside and outside pressure difference of the pipe billet, stress state during local expansion of the pipe billet can be improved, expansion can be sufficiently realized and expansion limit is increased. Hydraulic oil is injected onto the outer surface of the pipe billet, lubricating between the outer surface of the pipe billet and a form cavity of the die is evidently improved, friction is reduced, and axial supplement and final forming are facilitated.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Fast-setting castable for main runner for COREX furnace and production technology thereof

The invention aims to provide a fast-setting castable for a main runner for a COREX furnace and a production technology thereof. The fast-setting castable for the main runner for the COREX furnace can be used for repairing the main runner within a short time in the thermal state as well as for tapping recovery, further ensures the consistency of production, is long in service life and convenient for repairing operation and reduces the labor intensity of workers. To achieve the effects, the fast-setting castable for the main runner for the COREX furnace is characterized in that the fast-setting castable comprises the following components: aluminas, silicon carbide, carbonaceous materials and additives. Through the technical scheme, the aluminas different in nature and grain size are mixed according to the specific percentage, and since the extra additives and the novel processing technique are adopted, the newly cast runner can allow 80,000 tons iron to be output; the service life of the fast-setting castable is more than twice of that of the former ordinary low cement castable; and furthermore, the fast-setting castable is particularly outstanding in fast-setting, can meet the requirements of on-site tapping within 8-hour operating time and has remarkable effect as a repairing material.
Owner:长兴煤山新型炉料有限公司

Novel LNG gas-feeding integrated module device

InactiveCN103867888AEasy refillGas filling station is fixed and easy to fillContainer filling methodsPressure vesselsGas phaseControl system
The invention discloses a novel LNG gas-feeding integrated module device, and belongs to the field of ship transportation. The device is designed according to the standards of ISO shipping containers, and comprises a liquefied natural gas gas-feeding device case and a case frame; wherein the liquefied natural gas gas-feeding device case comprises a liquefied natural gas storage tank, an operation valve case, a liquid transportation pipeline, a gasifying device, an emergency cut-off device, a gas flowmeter, a gas transportation pipeline, a pressure releasing pipe, and a vertical ladder; the case frame comprises a front end frame, a rear end frame, a upper side beam, a lower side bean, a diagonal brace, an upper diagonal member, a lower diagonal member, a bottom plate, and a bearer; the operation valve case comprises a liquid-phase operation pipeline, a gas-phase operation pipeline, a backup pipeline, and a control system, and the liquid-phase operation pipeline, gas-phase operation pipeline, backup pipeline, and control system are concentratedly arranged through low-temperature stainless steel pipes. The device solves the problems of difficult gas feeding for a diesel oil-LNG bi-fuel source ship. A gas-feeding station can utilize the integrated module device to safely butt-join a diesel oil-LNG bi-fuel source diesel engine, provide gas for the ship to be fueled, and control the gas volume. The transportation cost is reduced, and the transportation efficiency is improved.
Owner:JIANGSU MODERN SHIPBUILDING TECH
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