37results about How to "Non-destructive parts" patented technology

The invention relates to a carrying device specially for SF6 gas cylinders. The carrying device is characterized by comprising a fixed support, a base and a transmission system, wherein the transmission system is wound around the base; and the fixed support is fixed above the base. The carrying device is compact and exquisite in structure and flexible and convenient in movement. The carrying device is operated by one single person to facilitate carrying of the gas cylinders; the carrying device is capable of climbing slopes and going upstairs and downstairs up and down; and besides, the carrying device is convenient for carrying gas cylinders, simple and convenient in operation, capable of performing electric transportation, labor-saving and efficient. The carrying device is provided with a weighing device for displaying the weight of the SF6 gas cylinders and the gas in real time; the carrying device is also capable of heating the gas cylinder so as to improve the gas charging efficiency; the carrying device is reliable in working, free of quick-wear parts and low in fault rate; and the carrying device is energy-saving and environment-friendly as being capable of climbing up hundreds of steps by carrying the steel cylinders after being electrically charged at a time.

The invention discloses a purify technology of aluminum electrolyzing FI contained smoke that makes the smoke from electrolyzing FI passing through smoke evacuation branch pipe, smoke evacuation secondary main pipe, smoke evacuation main pipe and smoke evacuation total pipe spraying to impulse purifying filterer. Before coming into the filterer, the two steps material feeding would be taken and take adsorption reaction, and taking filtering and separating in the filterer. One section of the separated alumina containing FI could be used as the raw material to make electrolytic tank, and some would be return to the total pipe to mix with hydrogen fluoride. The purified smoke would be sent to air. The invention has short process, high efficiency, low power consumption, high reliable, no secondary pollution, etc.

The invention provides a hydraulic filling type screw water-cooled cold water and heat pump unit and relates to the technical field of air conditioning refrigeration. The hydraulic filling type screw water-cooled cold water and heat pump unit comprises a refrigerating system which is composed of a compressor, a condenser, a dry filter, a liquid viewed glass, an expansion valve and an evaporator in sequent connection. The hydraulic filling type screw water-cooled cold water and heat pump unit is characterized in that the compressor is the oil-content-carrying semi-closed type screw compressor, and a pressure maintaining valve is arranged between the compressor and the condenser. An inlet of the pressure maintaining valve is connected with an exhaust opening of the compressor, an air inlet of the condenser is connected with an outlet of the pressure maintaining valve, and a balance opening of the pressure maintaining valve is connected with a low pressure side of the compressor through a balance pipe. Compared with the prior art, the hydraulic filling type screw water-cooled cold water and heat pump unit has the advantages of being capable of enabling differential pressure needed by system operation to be quickly established, lubricating the unit, and ensuring normal start and safe and reliable operation of the system.

The invention discloses a buoyancy ascending-descending water decanter, which is mainly used for solving the problems of complex structure, easiness in damaging, inconvenience in installing and maintaining, high cost and the like existing in the conventional water decanter. The buoyancy ascending-descending water decanter comprises a water decanting groove, a main drain, a drain valve and a buoyancy ascending-descending mechanism, wherein water decanting groove is provided with a water decanting weir crest; the main drain is connected with the water decanting groove through a telescopic branch drain; the drain valve is arranged at the water outlet of the main drain; the buoyancy ascending-descending mechanism is used for driving the water decanting groove to ascend and descend through buoyancy, and comprises a buoyancy tank pond inside which a buoyancy tank floats; the buoyancy tank is fixedly connected with the water descanting groove through a bracket, and moves synchronously with the water descanting groove; and the bottom of the buoyancy tank pond is communicated with the main drain. On the basis of the structure, the invention further discloses an implementation method of the buoyancy ascending-descending water decanter. The buoyancy ascending-descending water decanter has the advantages of simple structure, no quick-wear part, high cost performance and suitability for popularizing and applying.

The invention provides a non-leakage reversible automatic exhaust valve invented by utilizing atmospheric pressure principle. The non-leakage reversible automatic exhaust valve comprises a valve seat and a valve cover which are hermetically connected together to form a valve body; the valve body is internally provided with a convex floating cylinder which is opened wide at the lower part and is provided with a check ring liquid tank; a sealing gasket is arranged on the top of the floating cylinder opposite to the exhaust port; a check ring is arranged on the edge of the top outside the floating cylinder to form a floating cylinder liquid groove. When the liquid level of air discharge rises, a liquid sealing is formed at the bottom of the floating cylinder, the floating cylinder rises therewith relying on buoyancy and the exhaust port at the top of the valve cover is closed; when the pressure is increased and the liquid level exceeds the check ring of the floating cylinder, the feed liquor in the floating cylinder liquid groove form a liquid sealing, the valve cover air chamber forms barometric pressure, ensuring that the liquid level can not rise and achieves the purpose of no leakage; and when the liquid level drops to the position that no buoyancy is formed to the floating cylinder, the exhaust port is opened, and when the liquid level drops below the check ring of the valve seat, the bottom of the floating cylinder drops to the bottom of the valve seat liquid groove. A liquid sealing is formed by utilizing the residue liquid of the valve seat liquid groove and the valve seat check ring, and the barometric pressure principle is utilized to ensure that the air outside the floating cylinder can not enter to form inversion.

The invention belongs to the field of sewage treatment and specifically relates to a restaurant wastewater, oil-water and slag separation all-in-one machine. The all-in-one machine of the invention comprises a support, a solid-liquid separator box, a wastewater inlet, a coarse slag outlet, a solid-liquid separator sieve plate, an oil-water discharger, an oil-water separator box, a greasy filth outlet, an air floatation device, a water filtration outlet pipe, an oil collection chamber, an oil discharger, an oil heater and a breather pipe. The wastewater inlet, the coarse slag outlet and the oil-water discharger are respectively arranged at the upper part, at the bottom and at middle part inside the solid-liquid separator box. The solid-liquid separator sieve plate in an L shape and the solid-liquid separator box form a cavity. The oil-water discharger is communicated with the cavity. The oil collection chamber is communicated with the oil-water discharger, and the oil heater is arranged inside the oil collection chamber. An inlet of the water filtration outlet pipe, the air floatation device, an outlet of the oil-water discharger and the greasy filth outlet are respectively arranged at the upper part, at the middle part, at the lower part and at the bottom inside the oil-water separator box. The top of the oil-water separator box is tapered and communicated with an oil collection box. Upper parts of the solid-liquid separator box, the oil-water discharger, the oil collection chamber and the water filtration outlet pipe are respectively communicated with the breather pipe.

The present invention discloses a novel intelligent agricultural irrigation machine. The novel intelligent agricultural irrigation machine comprises a base seat, a main cabin machine shell is welded on the base seat, a storage battery device is fixed at a lower side inside of the main cabin machine shell through bolts, a support frame is arranged above the storage battery device, an electric cabinet is welded on the support frame, and one side of the electric cabinet is connected with a wireless receiving and sending device through a wire; and one side of the main cabin machine shell is provided with a water tank and a lower side of the water tank is fixed by a water tank bracket welded at one end of the base seat. Compared with the prior art, instruction information is acquired through anacoustic control device, the irrigation machine starts to conduct whole work operation, under allotment control of the electric cabinet, the irrigation operation is realized through alternate cooperation work of components and parts, except an acoustic control mode, a manual input or a corresponding remote program control mode is also provided, and the novel intelligent agricultural irrigation machine is very convenient to use, simple and exquisite in overall structure, free of wearing parts, long in service life, and beautiful and elegant in appearance.

The invention discloses an inclined plate settler, which comprises a water inlet and a water inlet tank, the water inlet is arranged at the lower part of the right side of the water inlet tank, a water purification tank is arranged on the left side of the water inlet tank, and the lower part of the water purification tank is arranged There is a water distribution pipe with one end connected to the water inlet tank. The upper part of the water distribution pipe is provided with a sedimentation device connected to the two side walls of the water purification tank. The bottom of the water purification tank is connected with the sedimentation tank. The bottom of the sedimentation tank is provided with Mud outlet. In the present invention, a slant plate with an inclination angle of 60 degrees is installed above the sludge suspension layer, so that the suspended solids in the raw water slide back to the sludge suspension layer by gravity, then sink into the sludge collection bucket, and are discharged into the sludge through the sludge discharge pipe. The pool is treated separately or comprehensively applied. The whole machine has a simple structure, no wearing parts, durable, less maintenance, stable operation, easy operation, high treatment efficiency, and no need for sludge return.

The invention relates to the technical field of oil field drilling development, and particularly relates to a continuous axial impact rock breaking hammer. A bearing shaft is arranged in the upper end of a shell of the device; the upper end of the bearing shaft is sleeved with a stator upper top ring; the stator upper top ring is fixed to the inner wall of the shell; the middle of the bearing shaft is sleeved with a rotor locking nut; the rotor locking nut and the bearing shaft are sealed; and a bearing is arranged at the lower end of the rotor locking nut in series and arranged on the bearing shaft in a sleeving manner. On the premise that borehole track control is not affected, the rock breaking efficiency of various drill bits can be improved, the structure is reasonable, the overall length is small, borehole track control is not affected, controllable pressure pulse waves can be generated, the frequency is high, high-frequency impact on the drill bits can be achieved, the hammer is directly connected with the drill bits, impact force directly acts on drill bit bodies, no energy loss exists in the middle, the impact force can be adjusted, the service life of the whole hammer is long, no quick-wear part exists, the continuous work time is long, reliability is high, and installation is convenient.

The invention discloses an automobile rain sense window closing device. The device comprises a rain sense detection mechanism, a control host is connected with the rain sense detection mechanism through a signal line, the control host is connected with a door window mechanism through a signal line, a skylight mechanism is connected with the control host through a signal line, a rain sense detection mechanism main body is a rain sensor and is installed on the inner side of a front window of a vehicle, a control host main body is a single chip microcomputer, the control host is provided with anoperation panel, the operation panel is provided with a control switch, and the automobile rain sense window closing device is provided with two working modes of manual mode and automatic mode. Compared with the prior art, the automobile rain sense window closing device has the advantages that when a rain sense sensing probe senses rainwater during raining, all door windows and a skylight can be automatically closed, the situation that the rainwater enters a circuit to cause damage due to the fact that the windows are forgotten to be closed during raining is avoided, the structure is simple and exquisite, easy-to-damage pieces are avoided, the service life is long, and use is convenient and fast.

The invention discloses an underground ventilation system which comprises a main air duct, a plurality of branch air ducts, first-stage throttling orifice plate structures, first-stage differential pressure detection devices, second-stage throttling orifice plate structures and second-stage differential pressure detection devices. Each branch air duct is provided with a plurality of air openings;the first-stage throttling orifice plate structures are arranged between the main air duct and the branch air ducts, and each first-stage throttling orifice plate structure is provided with at least one first-stage throttling orifice; the first-stage differential pressure detection devices are used for detecting the differential pressure of the front sides and the rear sides of first-stage throttling orifice plates; the second-stage throttling orifice plate structures are arranged between the air ports and the branch air ducts where the air ports are located, and each second-stage throttling orifice plate structure is provided with at least one second-stage throttling orifice; and the second-stage differential pressure detection devices are used for detecting the differential pressure of the front sides and the rear sides of second-stage throttling orifice plates. The throttling orifice plate structures are easy to machine, low in cost, easy and convenient to install, free of quick-wear parts, reliable and durable in structure and long in service life, the airflow distribution accuracy can be guaranteed, and air volume distribution in the underground ventilation system can be monitored in real time.

The invention discloses an underground ventilation system which comprises a main air duct, a plurality of branch air ducts, first-stage throttling orifice plate structures, first-stage differential pressure detection devices, second-stage throttling orifice plate structures and second-stage differential pressure detection devices. Each branch air duct is provided with a plurality of air openings;the first-stage throttling orifice plate structures are arranged between the main air duct and the branch air ducts, and each first-stage throttling orifice plate structure is provided with at least one first-stage throttling orifice; the first-stage differential pressure detection devices are used for detecting the differential pressure of the front sides and the rear sides of first-stage throttling orifice plates; the second-stage throttling orifice plate structures are arranged between the air ports and the branch air ducts where the air ports are located, and each second-stage throttling orifice plate structure is provided with at least one second-stage throttling orifice; and the second-stage differential pressure detection devices are used for detecting the differential pressure of the front sides and the rear sides of second-stage throttling orifice plates. The throttling orifice plate structures are easy to machine, low in cost, easy and convenient to install, free of quick-wear parts, reliable and durable in structure and long in service life, the airflow distribution accuracy can be guaranteed, and air volume distribution in the underground ventilation system can be monitored in real time.

The invention provides a permanent magnetism eddy current shaft coupling, which can realize highly-efficient torque transmission (the efficiency can be as high as 98%) and stable torque transmission (the fluctuation will not exceed 0.5%). The permanent magnetism eddy current shaft coupling comprises permanent magnets, whose number or set number is the multiple of 4, and which conduct auxiliary magnetizing, and are inlaid in an active rotor in a wedge-shaped manner. The vibration and noise generated by installation gap can be effectively reduced. The permanent magnetism eddy current shaft coupling also comprises a driven rotor, which is provided with a helical groove. Accordingly, the output torque is high in stability, and vibration and noise when the system works can be greatly reduced; cross ventilation can be formed, and a large amount of heat can be taken away, and the heating problem can be resolved. The permanent magnetism eddy current shaft coupling also comprises an axial moving mechanism, which adopts the cooperation mode of an electric performer and sliding shoes. Two ends of the electric performer adopt ball joint. The permanent magnetism eddy current shaft coupling alsocomprises an air filter, which can reduce pollution of air-suspending particles like ferromagnetism particles and coal powder to the system. The invention is advantageous in that maintenance cost islow (no vulnerable parts are provided and cleaning frequency is low); environment can be protected and energy can be saved; flexible starting is provided, and heating is little; speed-regulating scopecan be wide; energy conservation and emission reduction can be realized.

The invention discloses a speed-regulating permanent magnet eddy current coupling, comprising: an active rotor mechanism is mainly composed of an eddy current rotor, an active yoke iron rotor, a cooling fin, an active shaft and an active support frame, and the outer part of the active yoke iron rotor is designed with a circumferential Heat sink, the drive shaft is installed on the drive support frame through angular contact bearings; the driven rotor mechanism is mainly composed of permanent magnets, magnetic pole inlays, driven yoke rotors, load shafts, and driven support frames. The permanent magnet section is divided into The upper part is fan-shaped and the lower part is conical; the inner cone surface of the eddy current rotor cooperates with the outer cone surface of the magnetic pole inlay to form the air gap between the driven rotor mechanism and the active rotor mechanism, and the end of the driven yoke iron rotor away from the magnetic pole inlay is connected to the load shaft through a spline , the load shaft is installed on the driven support frame through angular contact bearings; the electric actuator adjusts the meshing area of ​​the eddy current rotor and the magnetic pole inlay. Through the implementation of the invention, soft start, short start time and less heat generation can be realized.

The invention discloses an oil temperature control fuel economizer for a fuel vehicle. The oil temperature control fuel economizer comprises a heater, a heater shell is arranged outside the heater, ahot water outlet is formed in one side of the shell, a hot water inlet is formed in the other side of the shell, and a water pump is additionally arranged at the hot water outlet; a pressure fuel pipeis installed on one side of the heater, one end of the pressure fuel pipe is connected with an oil pump, and the other end of the pressure fuel pipe is connected with a heating copper pipe; and one end of the heating copper pipe is connected with an electronic injection rail, the upper portion of the electronic injection rail is connected with an air inlet pipe through an oil rail oil return valve, and the lower portion of the electronic injection rail is provided with a plurality of electric nozzles. Compared with the prior art, the oil temperature control fuel economizer has the following advantages that the fuel oil is heated, enters the nozzles under the conditions of proper temperature and pressure and then is vaporized into oil molecules, the oil molecules are in full contact with oxygen to generate deflagration, the fuel oil is fully combusted, carbon deposition is eliminated, the pollutant discharge amount is reduced, the atmospheric environment is protected, and the fuel oilamount per hundred kilometers is reduced; due to the design of a preheating container, the fuel heating temperature is basically constant, and the stability is improved; and stable hot water supply isachieved through a water pump.

The invention discloses a simple rope-penetrating auxiliary device for a handbag. The auxiliary device comprises two bed bodies of the same size, wherein two ends of the bed bodies are connected and fixed through two screw rods, and a plurality of bolts are additionally arranged on the screw rods; and a groove body is arranged in each bed body, a groove clamping piece is installed on one side inside the groove body, a U-shaped linkage rod is additionally arranged in the groove clamping piece, the tail ends of two supporting rods of the linkage rod are connected with sleeve discs for fixing, two square bolts are symmetrically and additionally arranged on the two supporting rods of the linkage rod, the square bolts are fixed in the groove body through screws, and two springs are symmetrically and additionally arranged between the square bolts and the groove clamping piece. Compared with the prior art, the rope-penetrating auxiliary device has the advantages that the rope-penetrating operation of the handbag can be conveniently and efficiently completed by a single person through cooperative work among the components, the rope-penetrating error is greatly reduced, the use quality of the handbag rope is improved, the overall structure is simple and exquisite, the device has no wearing parts, the appearance is attractive and elegant, the cost is low, and the device is economical anddurable.

The invention discloses a sealing structure for a molten salt pump, an installation method and the molten salt pump, the sealing structure comprises a shaft sleeve, a sealing body and a clamping piece, the sealing body comprises a first sealing half body and a second sealing half body which are connected together through a connecting piece, and after the first sealing half body and the second sealing half body are connected together, a cylindrical hole is formed in the center; a plurality of circles of protrusions and grooves are arranged on an inner ring of the cylindrical hole, a plurality of circles of grooves and protrusions are arranged on an outer ring of the shaft sleeve, the protrusions are inserted into the grooves, axial gaps formed by the sealing body provided with the clamping pieces and the grooves and the protrusions of the shaft sleeve are uniform and consistent, and after the molten salt pump rotor component is lifted and adjusted, the sealing body is sealed. The lower portion of the sealing body is fixed to a base of the molten salt pump through a connecting piece, then the shaft sleeve is fixed to a pump shaft through the connecting piece, finally the clamping piece is removed, and assembling is completed.

A mechanical kinetic energy automatic rise-and-fall netting bracket comprises a netting trolley, guide rails, guide rail bases and bracket bodies, wherein castors are arranged on the two sides of the netting trolley. Driving devices comprise bracket pull rods, swing rods, one-way turnover plates, tripping pressing plates arranged on the one-way turnover plates, fixing shafts, locking devices and driving rubber scraper plates arranged on the netting trolley. The lower ends of the swing rods are connected with the guide bases in a pivoting mode. One ends of the bracket pull rods are connected with the bracket bodies in a pivoting mode, and the other ends of the bracket pull rods are connected with the swing rods through the fixing shafts in a pivoting mode. The one-way turnover plates are arranged on the upper portions of the swing rods and connected with the swing rods in a pivoting mode. The driving rubber scraper plates are matched with the on-way turnover plates. The locking devices are matched with the fixing shafts. The tripping pressing plates are matched with the locking devices. By the adoption of the structure, the netting trolley moves back and forth, so that the bracket raises and falls, and using is convenient.

The invention relates to a multifunctional electrode air floatation device. The device comprises a device main body; a water inlet, a water outlet, an oil drainage port, a sewage drainage port, a drug adding port, and several clapboards are disposed on the device main body; a primary electrolytic zone and a secondary electrolytic zone are disposed inside the device main body; electrode plates are respectively disposed in the two electrolytic zones; the drug adding port is disposed between an outlet of the primary electrolytic zone and an intlet of the secondary electrolytic zone through a drug adding pipeline. Compared with traditional air floatation methods, the product of the invention has the characteristics of saved investment, better water treatment effect, stable performance, extremely long operation period, extremely long service life, simple management, high removal rates for COD, BOD, SS, chroma, and the like, sterilization effect, and good effluent effect.

The invention discloses a novel physiotherapy instrument. The novel physiotherapy instrument comprises a shell, a top plate is additionally arranged on the top surface of the shell through bolts, a semi-arc-shaped stop block is arranged on the top plate, and a second arc-shaped opening is formed in one side of the stop block; a heat locking plate is arranged on one side of the top plate, a first arc-shaped opening is formed in the upper portion of the heat locking plate and corresponds to the second arc-shaped opening, and a handle is arranged on one side of the first arc-shaped opening; and aheating plate is connected above the heat locking plate through a hinge. Compared with the prior art, the novel physiotherapy instrument has the advantages that the overall structure is simple and exquisite, graphene and an infrared heating device are used for heating the interior, a wood board additionally arranged outside isolates internal heat, the physiological reaction that the heat is increased and reduced by a human body is used, good body mechanism characteristics are gradually formed for a long time, and body health is facilitated; and the working principle and the treatment principle of the physiotherapy instrument meet physiotherapy requirements, and the physiotherapy instrument is an improvement of existing physiotherapy equipment, free of vulnerable parts, low in cost, good in physiotherapy effect and convenient to popularize.

The new type compressor is constituted by a cylinder assembly, which consists of driving shaft, cylinder, front and back caps, servo ring and isolating blade, installed in the casing cavity. It features the concentric driving shaft steps, the servo ring inside the cylinder, the eccentric driving shaft and the silating blade with outer end hinged with the servo ring and inner end inserted inside the straight runner. During the rotation of the driving shaft, the isolating blade rotates the servo ring to suck in and extrude out cold medium. The compressor has no eccentric vibration, and thus good high speed performance.

The invention discloses a buoyancy ascending-descending water decanter, which is mainly used for solving the problems of complex structure, easiness in damaging, inconvenience in installing and maintaining, high cost and the like existing in the conventional water decanter. The buoyancy ascending-descending water decanter comprises a water decanting groove, a main drain, a drain valve and a buoyancy ascending-descending mechanism, wherein water decanting groove is provided with a water decanting weir crest; the main drain is connected with the water decanting groove through a telescopic branch drain; the drain valve is arranged at the water outlet of the main drain; the buoyancy ascending-descending mechanism is used for driving the water decanting groove to ascend and descend through buoyancy, and comprises a buoyancy tank pond inside which a buoyancy tank floats; the buoyancy tank is fixedly connected with the water descanting groove through a bracket, and moves synchronously with the water descanting groove; and the bottom of the buoyancy tank pond is communicated with the main drain. On the basis of the structure, the invention further discloses an implementation method of the buoyancy ascending-descending water decanter. The buoyancy ascending-descending water decanter has the advantages of simple structure, no quick-wear part, high cost performance and suitability for popularizing and applying.

The object of the present invention is to provide a kind of oily sludge pyrolysis energy recovery system based on single-screw expander, to make full use of a large amount of waste heat resources existing in the present sludge pyrolysis system, including pyrolysis reactor, used for sludge sludge pyrolysis Pyrolysis into pyrolysis flue gas, cracked oil gas and solid residue; the pyrolysis flue gas outlet of the pyrolysis reactor is connected to the first evaporator, and the pyrolysis flue gas and the first organic working fluid are realized in the first evaporator The first evaporator is also connected to a flue gas purification device for discharging pyrolysis flue gas; the first evaporator is provided with a first organic working medium inlet and a first organic working medium outlet, and the first An organic working medium outlet is connected in series with the first single-screw expander, the first condenser and the first working medium pump through the pipeline, and then connected back to the first organic working medium inlet; the first single-screw expander and the first Generator connection.

The invention discloses a variable multi-point unloader, comprising a row bar, a belt, a first lifting roller, a second lifting roller and a motor. The belt is borne by a deep groove type carrier roller, a first lifting roller and a second lifting roller which are mounted on the row bar. The first lifting roller moves upwards, the upper end surface of a first sliding sleeve touches a rotating bearing to drive a thrust lever to press a lifting connecting rod downwards, and the second lifting roller is driven to move downwards, so that a height difference of the belt is formed between the first lifting roller and the second lifting roller; the first lifting roller moves downwards, a fixed shaft pin on the first sliding sleeve moves downwards in a sliding groove of an ascending connecting rod to the bottom end of the sliding groove to pull the ascending connecting rod to move downwards, the thrust lever is driven to press downwards to drive the lifting connecting rod to move upwards, and the second lifting roller is towed by the lifting connecting rod to move, so that the height difference of the belt between the first lifting roller and the second lifting roller is recovered. The unloader improves the efficiency and the crushing problem, is suitable for various indoor and outdoor environments, occupies a small space, and is convenient to maintain.

The invention discloses a time control device for automatically switching a solar energy street lamp and a control method thereof. The time control device comprises a time sequence controller, a switch array circuit and a control circuit, wherein the time sequence controller is provided with a plurality of output ends and sequentially outputs a control signal by each output end according to a predetermined time period; the switch array circuit is provided with a plurality of switch branches; and the control circuit is connected between a power supply and a solar energy street lamp and used for controlling the on-off of a loop between the power supply and the solar energy street lamp, wherein each output end of the time sequence controller is respectively connected with the input of each switch branch of the switch array circuit; and the output of each switch branch is connected with a control end of the control circuit. The control device has the characteristics of simple operation, visibility, no quick-wearing part, and can control various lighting modes of the solar energy street lamp, and the like.

The invention discloses a chain type three-dimensional cyclic conveying device capable of realizing continuous running, loading and unloading without shutdown. The device is characterized in that the device is provided with a driving chain wheel, two linkage wheels at the two ends of a linkage shaft and at least one driven chain wheel in the same specification, wherein two closed chains with the same specification and length are supported by the chain wheels to form rectangles or arcs, and the planes of the two chains are parallel; the driving chain wheel is connected with a variable frequency driving chain wheel of which the motor power is 1.1kw; the two linkage wheels kept running synchronously at two ends of the linkage shaft are driven by the driving chain wheel, thereby driving the two closed chains with the same specification and length to run synchronously on the driven chain wheel; the distance between the two chains is a large pitch. The device is durable, stable, free of easily-damaged parts and extremely low in failure rate; moreover, a variable frequency driving device is used, so that energy resources are saved.

The invention discloses a lifting system of a horizontal hole or inclined hole drilling tool. A first fixed pulley, a second fixed pulley and a third fixed pulley are installed above a bottom frame, wherein the first fixed pulley is located at the end away from a drilled hole, and the second fixed pulley and the third fixed pulley are equal in height and located on the side close to the drilled hole. A winch is installed in the middle of the bottom frame. When the drilling tool needs to be conveyed to the drilled hole, one end of a first steel wire rope is fixed to the winch, and the other end of the first steel wire rope winds around the first fixed pulley and then is connected with one end of a triangular connecting ring; a second steel wire rope sequentially winds around the second fixed pulley, a notch of a special joint and the fixed pulley, and then the two ends of the second steel wire rope are connected with the other two ends of the triangular connecting ring in a one-to-one corresponding mode; when the drilling tool inside the drilled hole needs to be lifted out of the hole, one end of the first steel wire rope is fixed to the winch, and the other end of the first steel wire rope is arranged on a bolt of the special joint in a sleeving mode. The lifting system can be used for conveying or taking out drilling tools of different lengths, can greatly improve the working efficiency and lower labor intensity of workers, and is convenient to operate, safe, reliable and small in occupied area.

The invention aims to provide an oily sludge pyrolysis energy recovery system based on a single-screw expander to fully utilize a large amount of waste heat resources existing in an existing oily sludge pyrolysis system. The oily sludge pyrolysis energy recovery system comprises a pyrolysis reactor used for pyrolyzing oily sludge into pyrolysis flue gas, pyrolysis oil gas and solid residues; wherein a pyrolysis flue gas outlet of the pyrolysis reactor is connected with a first evaporator, heat exchange between pyrolysis flue gas and a first organic working medium is achieved in the first evaporator, and the first evaporator is further connected with a flue gas purification device and used for discharging the pyrolysis flue gas; the first evaporator is provided with a first organic workingmedium inlet and a first organic working medium outlet, and the first organic working medium outlet is sequentially connected with a first single-screw expander, a first condenser and a first workingmedium pump in series through a pipeline and then connected back to the first organic working medium inlet. And the first single-screw expander is connected with a first generator.

The invention discloses a nasal cavity cleaner. The nasal cavity cleaner comprises a shell; a convex structure is arranged at the top of the shell; the inner part of the convex structure is hollow; aninner cavity is connected with the lower part of the convex structure; a partition plate is additionally arranged in the inner cavity; a through groove is formed in the partition plate; an impeller is arranged in the through groove; the impeller is fixed on a motor shaft of a motor through inter-tooth meshing; a battery groove is formed in one side of the partition plate; a charging port is formed above the battery groove; a water tank is arranged below the battery groove; a heating rod is arranged in a water tank; and a sewage tank is arranged on one side of the water tank. Compared with theprior art, the nasal cavity cleaner has the advantages that water vapor generated by heating water enters a nasal cavity to humidify and clean the nasal cavity, and effluent sewage enters the sewagetank. The nasal cavity cleaner is suitable for patients with long-term rhinitis, has a small volume, is easy to carry, and can use batteries as the power source or can be charged. The whole structureis simple and exquisite, no easily damaged parts exist, the appearance is beautiful and elegant, and use is convenient.