60results about How to "Solve the problem of continuous automatic locking and difficult disassembly" patented technology

The invention discloses a simple Raymond mill device with a fan convenient to disassemble. The fan, a Raymond mill, a cyclone separating and discharging device and an air return duct form an air-flow-circulating ground-powder discharging system. An isolating temporary storage barrel is arranged at an inlet, connected with the air return duct, of the fan. A gravity material door is arranged on the isolating temporary storage barrel. A temporary powder storage barrel is arranged below the gravity material door. A valve and a discharging gate are arranged on the temporary powder storage barrel. Blades of an impeller of the induced draft fan are arranged symmetrical about the center of an impeller shaft in the radial direction in a radial manner, dust can be cleared up in time through centrifugal force, and safety accidents are avoided. The simple Raymond mill device is simple in structure, and more importantly, the disassembly technology of the induced draft fan is improved greatly, so that pressure applied to the shaft shoulder end face of a screw by components similar to a nut component can be eliminated easily when the induced draft fan is disassembled, and the problem that the induced draft fan is locked continuously and automatically and cannot be disassembled easily under the load action due to threaded assembly is solved effectively; and the simple Raymond mill device is especially suitable for convenient and fast disassembly of the large-scale fan which is locked in a threaded manner, and the effect is especially remarkable.

The invention discloses a tail heat utilization sieve mesh turning-plate type drier. A drier box body is provided with a structure of sieve mesh turning-plate type conveying from top to bottom and is divided into an upper drying area, a middle drying area and a lower drying area by a middle baffle and a lower baffle. The upper drying area is connected with an induced draft fan through an air heat exchanger and then is drained; the air outlet end of the upper drying area is connected with an air inlet of an air blower through an air pipe; and an air outlet of the air blower is connected with a steam fin heater in the middle drying area. Blades of an impeller of the induced draft fan are arranged in a radiated mode with an impeller shaft being in radial symmetry and central symmetry, dust is cleaned up in time by centrifugal force, and safety accidents are avoided. The tail heat utilization sieve mesh turning-plate type drier improves the drying efficiency and achieves energy saving and emission reduction; more importantly, the disassembling technology of the induced draft fan is greatly improved, and the induced draft fan can simply eliminate the pressure of nut-like parts to the shaft shoulder end faces of screw rods when being disassembled, so that the problem that due to the threaded assembly mode, the induced draft fan is continuously and automatically locked under the load action and is not likely to be disassembled is effectively solved; and the tail heat utilization sieve mesh turning-plate type drier is particularly suitable for convenient disassembling of large draft fans after threaded locking, and the effect is very obvious.

The invention discloses a cyclone wet dust collection type energy-saving coal-fired boiler. A high-temperature tail gas tube of a boiler body is connected to an air induction fan through the tube side of a water preheating tubular heat exchanger and a cyclone dust collector; water in a sewage pool below the cyclone dust collector is connected to a spraying plate in the cyclone dust collector through a spraying pump; a high-position soft water pool supplies water to the boiler after being preheated by the shell side of the water preheating tubular heat exchanger; threaded assembly with the automatic locking effect is adopted between a belt pulley and a fan shaft of the air induction fan and between a fan impeller and the fan shaft of the air induction fan; the fan impeller is in threaded and rigid connection with the fan shaft after pressing a copper-plastic reversed composite pad; the belt pulley and the other end of the fan shaft are connected rigidly through a clamp part. According to the boiler, heat recovery and purification treatment of tail gas of the boiler are realized, the disassembly and assembly technology of the air induction fan of the boiler is greatly modified, the problems that the air induction fan of the boiler is continuously and automatically locked and is difficult to disassemble under the loading effect due to threaded assembly can be effectively solved, and large boiler fans can be disassembled conveniently and quickly after being locked in a threaded mode.

The invention discloses an induced-draft traditional Chinese medicinal material pulverizer with a convenient-to-disassemble induced draft fan. The induced-draft traditional Chinese medicinal material pulverizer comprises a pulverizer body and the induced draft fan, wherein the material falling end of the pulverizer body is connected with the induced draft fan by a material storage box, exhaust tubes and a cyclone separator, and a ventilation door used for adjusting air volume is arranged one exhaust tube, a pull-back separator is arranged on the exhaust tube, the material falling end of the pull-back separator is connected with a feed hopper, and the feed hopper is connected with the pulverizer body; and an impeller of the induced draft fan can promptly clean dust by use of the centrifugal force. The induced-draft traditional Chinese medicinal material pulverizer not only can complete returning and secondary crushing of coarse particles in one step to realize qualified material output, and more importantly, the assembly and disassembly technology of the induced draft fan is greatly improved to ensure that pressure exerted on the end surface of a screw shaft shoulder by similar nut parts is simply eliminated during disassembly of the induced draft fan, so that the problem that the induced draft fan in screw assembly is continually and automatically locked under the load action and therefore is difficult to disassemble is solved. The improved assembly and disassembly technology is particularly suitable for convenient disassembly of a large-scale fan in screw-threaded coupling, and the effect is particularly remarkable.

The invention discloses a residual heat recycling and dust removal integrated coal-fired boiler with a conveniently detachable draught fan. A cyclone dust removal residual heat efficiency recycling device is formed by overlapping a tubular heat exchanger and a cyclone dust remover; a boiler exhaust pipe is connected with the cyclone dust remover in a tangential direction; after cyclone dust removal is carried out, ash is discharged from a cone bottom through an air closing device; exhaust is connected with a cone body through a rotational flow ascending pipe, is uniformly dispersed and then penetrates through tubes; after being concentrated through an upper conical hopper, the exhaust is discharged by the draught fan through an exhausting pipe; a high-level water tank is connected with the lower part of a shell side of the tubular heat exchanger; and an impeller of the draught fan can be used for cleaning the ash in real time through a centrifugal force. The residual heat recycling and dust removal integrated coal-fired boiler realizes integrated type residual heat recycling and dust removal; more importantly, a dismounting technology of the draught fan is greatly improved, and pressure on the end face of a screw shaft shoulder of a screw cap part can be simply eliminated in a dismounting process, so that the problem that thread assembling of the draught fan is continuously automatically locked under the action of a load and thus detachment is not easy is effectively solved; and therefore, the technical scheme is particularly suitable for conveniently detaching a large-size draught fan locked through a thread and the effect is particularly remarkable.

The invention discloses a cyclone type mineral flotation and defoaming device with an induced draft fan convenient to disassemble. The cyclone type mineral flotation and defoaming device is characterized in that a flotation machine is connected with a foam feeding hopper, the foam feeding hopper is connected with the induced draft fan by a primary cyclone separator, secondary cyclone separators are connected with the induced draft fan, an exhaust pipe is connected to the tops of the secondary cyclone separators, discharge pipes at the bottoms of the primary cyclone separator and the secondary cyclone separators are connected with a spiral conveyor, and a discharge outlet of the spiral conveyor is connected with a sedimentation tank; an impeller of the induced draft fan can timely clean dust by the aid of centrifugal force. The cyclone type mineral flotation and defoaming device has the advantages that emission and water consumption can be reduced, chemicals can be saved, the cyclone type mineral flotation and defoaming device is high in defoaming speed, more importantly, disassembling technologies for the induced draft fan are changed to a great extent, accordingly, pressures of components similar to nuts on the end surfaces of shaft shoulders of screws can be easily eliminated when the induced draft fan is disassembled, the problem that an existing induced draft fan assembled in a threaded manner is continuously automatically locked under the effects of load and is difficult to detach can be effectively solved, the cyclone type mineral flotation and defoaming device is particularly applicable to conveniently and quickly detaching large fans after the large fans are locked in a threaded manner, and particularly obvious effects can be realized.

The invention discloses a Raymond mill device with a convenient-to-disassemble fan. The fan, a Raymond mill, a cyclone separation discharger and a return air pipe form an airflow circulating milling discharging system, a pressure-equalizing exhausting branched pipe is connected with the upper end of a cyclone pipe, multiple cyclone separators are arranged in the cyclone pipe, the lower end of the cyclone pipe is tangentially connected with the cyclone separation discharger, the cyclone separation discharger discharges purified air and immerses below liquid level of a circulating water pool which is connected with the upper end of the cyclone pipe, blades of an induced draft fan impeller are arranged radially in a manner than the impeller is in axial, radial and central symmetry, and centrifugal force can be utilized to timely clean dust to avoid safety accidents. The Raymond mill device is less prone to causing mineral powder dust leakage, disassembling and assembling technology of an induced draft fan is improved substantially, pressure applied on screw shaft shoulder end faces by nut parts can be eliminated simply during disassembling of the fan, and the problem that the induced draft fan which is in threaded assembly constantly locks automatically and is difficult to disassemble under load action is solved effectively. The Raymond mill device is especially suitable for and has particularly remarkable effect on convenient and quick disassembling of large fans after being locked in a threaded manner.

The invention discloses a micro jaw crusher which comprises a crusher body (3), a flywheel (11) and a belt pulley (15), wherein the flywheel (11) and the belt pulley (15) are in positive screw assembling and negative screw assembling with a camshaft (14) of the crusher body (3) respectively; a copper-plastic composite cushion (12) is arranged between the flywheel (11) and the camshaft (14), and comprises a copper cushion (21) and fusible plastic washers (22) arranged at the two sides of the copper cushion (21); a hoop assembly (16) is arranged between the belt pulley (15) and the camshaft (14), and comprises a plurality of hoop bodies (31), hoop cushions (33) in fit assembling with the hoop bodies (31), and connecting pieces for fixing the hoop bodies (31); the cross sections of the hoop bodies (31) are wedge-shaped; and the hoop bodies (31) are in fit assembling with wedge-shaped clamping grooves of the hoop cushions (33). According to the micro jaw crusher, the problem that the disassembling is difficult due to the fact that continuous automatic locking occurs under loading action by adopting the screw assembling of the conventional jaw crusher can be solved effectively, and convenient and quick disassembling can be realized.