37results about How to "High extrusion rigidity" 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 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 heat pump type reverse flow drying machine with the exhaust heat utilization and inertial dedusting functions. A draught hood of the drying machine is connected with an induced draft fan. The induced draft fan is connected with an evaporator of a heat pump system through a cyclone dedusting device and an inertial dedusting device for evacuation. The evaporator of the heat pump system is connected with a main machine through a refrigerant pipe. The main machine is connected with a condenser through the refrigerant pipe. The air outflow end of an air blower is connected with an air inflow hood through the condenser. 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, the dust can be cleared up in time through centrifugal force, and safety accidents are avoided. By the adoption of the heat pump type reverse flow drying machine with the exhaust heat utilization and inertial dedusting functions, drying efficiency is improved, and energy saving and emission reduction are achieved; 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 heat pump type reverse flow drying machine with the exhaust heat utilization and inertial dedusting functions is especially suitable for convenient and fast disassembly of a large-scale fan which is locked in a threaded manner, and the effect is especially remarkable.

The invention discloses a hot-air penetration and reversed-current drying machine for tail heat utilization and inertial dust catching. According to the invention, an air draft hood of a drying machine box body is connected with an induced draft fan, and the induced draft fan is tangentially connected with a cyclone dust removal and efficient tail heat recovery device which is formed by superposing a tubular heat exchanger and a cyclone dust remover via an inertial dust catcher, and then is emptied; a shell-pass intake end of the tubular heat exchanger is connected with an air blower, and an exhaust end is connected with an air intake hood via a steam finned heater; and blades of an induced draft fan impeller are arranged to be in a radial shape with impeller-shaft radial and central symmetry, and ash can be timely cleaned by virtue of a centrifugal force, thus security incidents are avoided. According to the invention, drying efficiency is improved, and energy conservation and emission reduction are realized; and more importantly, a detachment technology for the induced draft fan is greatly improved, and a pressure of components such as a nut on the end surface of a shaft shoulder of a screw during detachment for the induced draft fan can be simply eliminated, thus the problem is effectively solved that the induced draft fan is not easy to detach due to continuously automatic locking in thread assembly for the induced draft fan under the action of a load. The hot-air penetration and reversed-current drying machine for tail heat utilization and inertial dust catching is especially suitable for convenient detachment for a large fan after thread locking, and has a particularly remarkable effect.

The invention discloses a tail heat recovery type steam plate dryer. An upper drying area of the dryer is tangentially connected with a cyclone dust removal tail heat efficient recovery device through an induced draft fan, and a tube type heat exchanger and a cyclone dust remover are overlaid to form the cyclone dust removal tail heat efficient recovery device. After cyclone dust removal, dust is discharged at the cone bottom through an air-lock valve. Tail gas is connected with a cone body through a cyclone ascending pipe, penetrates through a tube nest after being evenly dispersed, and is exhausted through an exhaust pipe after being concentrated by an upper cone hopper. Blades of an impeller of the induced draft fan are arranged in the radial shape that the blades are centrosymmetric in the radial direction of an impeller shaft, and the dust can be removed through centrifugal force in time. According to the tail heat recovery type steam plate dryer, the drying efficiency is improved, and energy conservation and emission reduction are realized; more importantly, the dismounting technology of the induced draft fan is changed substantially, so that when the induced draft fan is dismounted, pressure of components like nuts on the end faces of screw shaft shoulders can be eliminated simply, the problem that the induced draft fan is constantly automatically locked and is difficult to dismount under the action of loads during threaded assembling is solved effectively, and the technology is especially suitable for conveniently dismounting a large fan locked through threads.

The invention discloses a heat pump type waste heat utilization inertial dust collection penetrating countercurrent drying machine. An exhaust hood of the drying machine is connected with an induced draught fan. The induced draught fan is evacuated after being connected with an evaporator of a heat pump system through a cyclone dust collector and a repeated back-turning baffle type inertial dust collector. The evaporator of the heat pump system is connected with a main machine through a refrigerant pipe. The main machine is connected with a condenser through a refrigerant pipe. The air outlet end of an air blower is connected in an air inlet hood through the condenser. Blades of an impeller of the induced draught fan are arranged to be in a radial shape and centrosymmetric about an impeller shaft in the radial direction, dust can be removed in time under the effect of centrifugal force, and safety accidents are avoided. The drying efficiency is improved, energy conservation and emission reduction are achieved, more importantly, a demounting and mounting technology of the induced draught fan is transformed to a great extent, when the induced draught fan is demounted, the pressure applied to the end face of a screw shaft shoulder by nut-like parts can be simply eliminated, the problem that the induced draught fan assembled in a threaded manner is automatically locked continuously under the effect of loads and cannot be easily demounted is effectively solved, the heat pump type waste heat utilization inertial dust collection penetrating countercurrent drying machine is particularly suitable for convenient demounting of large draught fans which are locked in a threaded manner, and effects are particularly obvious.

The invention discloses a drum-type dedusting device which can be easily disassembled by an induced draft fan. The drum has a cylindrical structure, and the cylinder is incompletely separated by several partitions; the drum is connected with a motor and can rotate with the motor at high speed; The upper and lower ends of the drum have openings, the upper air collection box is connected to the air inlet, the lower air collection box is connected to the induced draft fan, and the air outlet of the induced draft fan is connected to the bag filter; the lower air collection box is equipped with a dust removal door for easy dust removal ; The impeller of the induced draft fan can use the centrifugal force to clean up the dust in time. The invention not only has simple structure and good dust removal effect, but more importantly, it greatly improves the disassembly and assembly technology of the induced draft fan, so that it can simply eliminate the pressure on the end surface of the screw shaft shoulder by similar nut parts during disassembly, and effectively solve the problem of the induced draft fan. The problem that the threaded assembly is continuously and automatically locked under load and difficult to disassemble is especially suitable for the convenient disassembly of large fans after the thread is locked, and the effect is particularly remarkable.

The invention discloses a heat-pump reversed-current drying machine for tail heat utilization. According to the invention, an air draft hood of the drying machine is connected with an induced draft fan, and the induced draft fan is connected with an evaporator of a heat pump system via a cyclone dust remover, and then is emptied; the evaporator of the heat pump system is connected with a host via a refrigerant tube, and the host is connected with a condenser via the refrigerant tube; an exhaust end of an air blower is connected with an air intake hood via the condenser; and blades of an induced draft fan impeller are arranged to be in a radial shape with impeller-shaft radial and central symmetry, and ash can be timely cleaned by virtue of a centrifugal force, thus security incidents are avoided. According to the invention, drying efficiency is improved, and energy conservation and emission reduction are realized; and more importantly, a detachment technology for the induced draft fan is greatly improved, and a pressure of components such as a nut on the end surface of a shaft shoulder of a screw during detachment for the induced draft fan can be simply eliminated, thus the problem is effectively solved that the induced draft fan is not easy to detach due to continuously automatic locking in thread assembly for the induced draft fan under the action of a load. The heat-pump reversed-current drying machine for tail heat utilization is especially suitable for convenient detachment for a large fan after thread locking, and has a particularly remarkable effect.

The invention discloses a tail heat utilized hot-air type penetration countercurrent fluidized drying machine. A draught fan is connected to the upper part of a drying tower; the draught fan is tangentially connected with a cyclone dust removal tail heat efficient recoverer which is formed by a tube type heat exchanger and a cyclone dust collector which are overlapped, and is evacuated; the shell pass air inlet end of the tube type heat exchanger is communicated with the atmosphere; the air outlet of the tube type heat exchanger is connected to the lower part of the drying tower through an air blower and a steam fin heater; blades of the draught fan impeller are arranged in a radiation manner that impeller shafts are in radial and central symmetry; dust can be collected by virtue of centrifugal force in time, and thus security accidents can be avoided. By adopting the tail heat utilized hot-air type penetration countercurrent fluidized drying machine, the drying efficiency is improved, the purposes of energy conservation and emission reduction are achieved, more importantly, the assembling and disassembling technique of the draught fan is greatly improved, pressure caused by components such as a screw nut to the shoulder end surface of a screw shaft can be easily eliminated when the draught fan is assembled and disassembled, the problem that the draught fan is continuously automatically locked and is not easy to disassemble under the action of load in threaded assembling can be effectively solved, and the tail heat utilized hot-air type penetration countercurrent fluidized drying machine is particularly applicable to convenient and rapid disassembling after a large-size draught fan is in threaded locking and is particularly remarkable in effect.

The invention discloses a bag filter-type manganese processing rotary kiln system with a highly demountable induced draft fan. The bag filter-type manganese processing rotary kiln system adopts the structure that an air-lock valve used for feeding is arranged at the high end of a rotary kiln; the high end of the rotary kiln is connected with a cyclone dust extractor, an induced draft fan and a bag-type dust remover via a fin section and air pipes; fins are arranged in the fin section; a hood cylinder is arranged outside the fin section; a sleeve-type air heat exchanger is arranged outside an air pipe; the hood cylinder is communicated with a lower pumping hole in the air heat exchanger, and then divided into two paths for supplying preheated air; and the blades of the impeller of the induced draft fan are arranged in a radiation shaped and are in radial and central symmetry with respect to an impeller shaft, so that dust can be cleaned promptly via centrifugal force, and safety accidents can be avoided. The bag filter-type manganese processing rotary kiln system not only is high in heat efficiency, but also has the advantages that the demounting technology of the induced draft fan is greatly improved; pressure of a nut-like component on a shaft shoulder end surface of a screw can be eliminated simply during demounting, the problem that a threaded assembly of the induced draft fan is automatically screwed continuously under the action of a load to be difficult to demount can be solved effectively; the suitability for convenient demounting of a large-scale induced draft fan after thread screwing is high; and the effect is remarkable.

The invention discloses a tail heat utilization inertial dust collection screen hole plate turnover type drying machine. A drying machine box body is provided with a screen hole plate turnover type conveying part from top to bottom and is provided with a middle partition plate and a lower partition plate, and the drying machine box body is divided into an upper drying area, a middle drying area and a lower drying area through the middle partition plate and the lower partition plate; the upper drying area is connected with an induced draft fan through an inertial dust collection device and an air heat exchanger to be subject to venting, the air outlet end is connected with an air blower air inlet, and an air blower air outlet is connected with a steam fin heater in the middle drying area; blades of an induced draft fan impeller are arranged to be in a radiation shape in impeller shaft radial and central symmetry, centrifugal force can be used for cleaning up dust in time, and safety accidents are avoided; and according to the drying machine, the drying efficiency is improved, energy saving and emission reduction are achieved, more importantly, the dismounting and mounting technology of the induced draft fan is greatly changed, and therefore during dismounting, the pressure of similar nut components on the end face of a screw shaft shoulder can be simply eliminated; and the problem that according to the induced draft fan thread assembly, automatic locking is continuously carried out under the load effect, and dismounting is not likely to be achieved is effectively solved, and the drying machine is particularly suitable for portable dismounting of a large-scale fan obtained after thread locking, and the effect is particularly obvious.