74results about How to "Easy to suck out" patented technology

The crusher includes one material crushing chamber with feeding port in the upper part, one spindle driven with power unit inside the crusher, one crushing cutter capable of rotating in the plane perpendicular to the main axis, and at least one discharging port with strainer. It features the suction chamber communicated with the discharging port and the induced draft fan in the outlet of the suction chamber with driving shaft not connected to the spindle. The present invention has increased outwards discharging suction force, no chocking of the strainer and high discharging speed and output.

The invention provides an acne treating device, which structurally comprises a negative pressure cup, an acne sucker, a negative pressure pump and a handle support. The handle support is arranged on the upper part of the negative pressure pump; the negative pressure cup is connected to the lower part of the negative pressure pump; and the negative pressure pump consists of a pump cover, a pump body, a piston, a piston rod and a restoring spring, wherein the pump cover is connected with an upper port of the pump body; the lower end of the piston rod passes through the pump cover to be connected with the piston arranged in the pump body; the piston rod positioned between the pump cover and the piston is provided with the restoring spring; the centers of the piston rod and the piston are provided with through holes; the top end of the piston rod is provided with a hook hand; the middle of the hook hand is provided with a one-way valve which is communicated with a negative pressure cavity below the piston through the through holes; the lower part of the negative pressure cavity is provided with a socket which is spliced with a lug boss at the top part of the negative pressure cup together; a sealing ring is arranged between the lug boss and the socket; the middle of the lug boss is provided with a one-way valve; the bottom of the one-way valve is communicated with an inner cavity of the negative pressure cup; an upper opening of the conical acne sucker is fastened with a lower opening of the negative pressure cup; and the bottom of the acne sucker is provided with a suction inlet.

The invention discloses an electronic cigarette capable of automatically preheating after prejudgment of a smoking action and a control method thereof. The electronic cigarette comprises a liquid storing cavity, a battery, an atomizing device, a control circuit and a preheating element, wherein electronic components of the control circuit include a gravity sensor, a temperature detection unit anda microcontroller; the control circuit is configured in the following way: when the gravity sensor senses that the electronic cigarette generates a motion change of a certain amplitude, the microcontroller prejudges the motion change as a smoking action, meanwhile the microcontroller determines whether tobacco juice is required to be preheated or not according to a real-time temperature value detected by the temperature detection unit; when the smoking action is detected and the preheating is required at the same time, the preheating element is controlled to heat in advance; and after heatingfor preset heating duration or to a preset target temperature value, the electronic cigarette enters a standby smoking state. The electronic cigarette has the beneficial effects that the electronic cigarette can automatically recognize the smoking action without the need of manual operation, and automatically performs preheating before smoking, so that the electronic cigarette can produce smoke easily at a low temperature.

The invention provides a pulping device capable of achieving solid-liquid separation and secondary air vortex breakdown. The pulping device mainly comprises a feeding device, a vortex breakdown device and a liquid pulp generating device and is characterized in that solid and liquid are separated, air vortex breakdown is conducted firstly, and then broken materials are mixed with liquid water to form pulp. According to the pulping device, feeding amount control and sealing are achieved through a buffering and sealing plate and a spring, tangential feeding of air is achieved and loop current is formed through an air inlet tangent to the outer edge of the bottom of an inner conical cylinder, rotational flow is accelerated twice through a tapered primary vortex breakdown area and an oblique secondary vortex breakdown area, the broken materials are screened twice and blockage prevention is achieved through circular truncated cone-shaped holes in a primary filtering device and a secondary filtering device, and mixing and stirring of solid and liquid are achieved through a broken material delivery pipe.

The invention discloses a preheating method for an electronic cigarette and a preheating system of the electronic cigarette. According to the preheating method for the electronic cigarette,data interaction is conducted by establishing a communication connection with the electronic cigarette through an intelligent terminal, preheating parameters can be displayed and changed on a control software interface configured in the intelligent terminal,the changed preheating parametersare transmitted to an MCU arranged in the electronic cigarette and replaces preset preheating parameters in the MCU,whenthe electronic cigarette is turned on, the MCU judges whether tobacco juice in a liquid storage cavity needs to be preheated or nor according to a real-time temperature value detected by a temperature sensor in the electronic cigarette,when preheating is needed, the MCU controls an electronic cigarette heater to heat according to the preheating parameters and a preset program until a preset heating duration or a preset target temperature value are reached,and preheating is finished, when the preheating is finished, the electronic cigarette enters into a standby smoking state, and the preheating causes the tobacco juice or a liquid substance containing drugs easily penetrates or flows to the heater to beatomized, and thusthe tobacco juice isalsoeasy to suck out by a user at low temperatures.

A teat for a feeding bottle has a one-way valve 16 located remotely from the nipple of the teat to allow air to enter the feeding bottle to replace liquid sucked out of the bottle through the nipple while preventing liquid from leaking from the bottle. The one-way valve 16 comprises an inwardly-oriented depression having opposed mutually inclined sidewalls lea and 16b meeting along a ridge having a slit. In the invention, when undeflected, the side walls lea and 16b make line contact with one another at the ridge and the thickness of the side walls is less than 0.4 mm so that, when acted upon by an increased pressure in the feeding bottle, the side walls collapse against one another and make sealing contact along a surface that extends from the ridge in the direction away from it.

The invention discloses a preheating method for an electronic cigarette.According to the preheating method for the electronic cigarette, preheating parameters and a preheating program are set in an MCU (microcontroller unit)in the electronic cigarette, the preheating parameterscomprisesat least a preset temperature value and a preset heating duration or a preset target temperature value, the preheating program comprisesthe steps that an electronic cigarette is turned on, when a preheating button arranged on the electronic cigarette is pressed to turn on a preheating function, a temperature sensor arranged in the electronic cigarette detects a real-time temperature value, the MCU judges whether tobacco juicein a liquid storage chamber needs to be preheated or not according to the comparisonbetween the real-time temperature value and the preset temperature value, if it is judged that preheating is not needed,a standby smoking state is directly entered, if it is judged that the preheating is needed, the MCU controls a heater to heat until the preset heating duration or the preset target temperature value is reached, that is, the preheating is finished, and the standby smoking state is entered when the preheating is finished.According to the preheating method for the electronic cigarette,the preheating can be automatically conducted so that the tobacco juiceora liquid substance containing drugs easily permeates or flows to the heater to beatomized, and thusthetobacco juiceis easy to suck out at low temperatures.

The invention discloses an on-line welding flux circulation recycle device for submerged arc welding. The on-line welding flux circulation recycle device comprises an upper hopper, wherein a negative-pressure device is arranged on the upper part of the upper hopper; a material suction opening is arranged on the upper hopper; the lower part of the upper hopper is connected with a lower hopper; and the lower hopper is used for providing airtightness for the equipment when the upper hopper discharges recycled welding flux. According to the on-line welding flux circulation recycle device, the recycle process is fully sealed; the recycle rate of the welding flux is high; and the impurity separation effect is good.

The invention relates to the technical field of production of textile fabric, and discloses a steam loosening and carding device for textile fabric based on a Bernoulli principle. The device comprisesa pedestal, wherein gas collection grooves and vent grooves are formed in the lower part and the interior of a detection device; an arc-shaped groove is formed in the lower part of the detection device, a film is arranged at the lower part of the detection device; a metal ball is arranged at the upper end of a moving rod; a variable resistor corresponding to the metal ball is connected into the detection device; and a second large hole and a second small hole corresponding to a first large hole and a first small hole are formed in a rotation pipe. The film in the arc-shaped groove is pushed to move upwards via steam, the film drives the moving rod and the metal ball on the moving rod to move on the variable resistor, a current in a circuit formed by the metal ball and the variable resistor connected in series changes, and thus the amount of steam generated by a steam device can be judged according to the sizes of current values; and due to such a structure, the problem that the existing textile fabric carding device cannot detect a loose degree is solved.

The invention discloses a preheating control method and preheating control system of an e-cigarette. According to the preheating control method, through an intelligent terminal, communication connections with the e-cigarette are established for data interaction, preheating parameters can be displayed and changed on the interface of control software configured in the intelligent terminal, the changed preheating parameters are transferred to a microcontroller MCU arranged in the e-cigarette and replace the preheating parameters previously preset in the microcontroller MCU, when the e-cigarette is switched on, according to a real-time temperature value detected by a temperature detection unit arranged in the e-cigarette, whether smoke-liquid in a liquid storage chamber needs to be preheated is judged by the microcontroller MCU, when preheating is needed, according to the preheating parameters and preset procedures, the microcontroller MCU controls an e-cigarette heater to heat, preheatingis completed until heating reaches a preset heating duration or a preset targeted temperature value and then the e-cigarette is in standby smoking mode, preheating makes that the smoke-liquid or liquid substances containing drugs is easy to penetrate or flow to the heater for atomization, and users can also breathe out smoke at low temperatures.

The invention provides an eddy kinetic energy gas flow material smashing and material-liquid separation pulping device. The eddy kinetic energy gas flow material smashing and material-liquid separation pulping device mainly comprises an eddy material smashing device and a liquid pulp generation device. The eddy kinetic energy gas flow material smashing and material-liquid separation pulping device is characterized by achieving material-liquid separation, using eddy kinetic energy gas flow to smash materials firstly, and then mixing the smashed materials with liquid water so as to generate pulp liquid. The eddy kinetic energy gas flow material smashing and material-liquid separation pulping device achieves tangential entering of gas and generates loop currents through a gas inlet pipeline tangent to the outer side edge of the bottom of an outer cylinder, achieves the purposes of increasing eddy kinetic energy in an eddy material smashing area and improving gas flow agitation efficiency in a liquid and material mixing area through an inner cylinder, achieves smashed material screening and blocking prevention through an inner cone hole, and achieves material and liquid mixing and stirring through a smashed material conveying pipe.

The invention relates to the technical field of civil engineering materials testing, in particular to a multifunctional linkage device integrating sewage time-sharing sampling and permeation coefficient testing and a working method of the multifunctional linkage device. The device mainly comprises two parts, wherein a first part is a device A and mainly comprises a power supply channel, a cylindrical overflow port, a water cylinder, an overflow water tank, a water tank overflow port, a test sample bracket, a test sample, a dial gauge, a sewage sampling pipe, a high-precision flow gauge, an electronic thermometer, a working table I and the like; a second part is a device B and mainly comprises a working water bucket, a water draining bucket, a propeller, a water pump, a power switch, a water pump electronic control assembly, a propeller electronic control assembly, a guide rod rotation driver, a working table II and the like; the device A and the device B are connected through one water supply guide pipe and two water draining guide pipes, and accordingly, the multifunctional linkage device is formed. Therefore, the condition of sewage permeation of a porous pavement in a real environment can be simulated, samples of sewage filtered by the test sample are obtained at different moments, the permeation coefficient of the test sample is tested simultaneously, the water resource is recycled, and the operation is simple.

The invention discloses a high-efficiency corn threshing machine which comprises a first housing, a second housing and a feeding device. The right side face and the right side face of the inner wall of the first housing are respectively in clamped connection with two first bearings, first rotary shafts are clamp-connected in the two first bearings, one end of each of the opposite faces of the twofirst rotary shafts is fixedly connected with the left end and the right end of a connecting rod, and a spiral sheet is fixedly connected to the upper surface of the connecting rod. The high-efficiency corn threshing machine makes sawteeth on the surface of a threshing rod constantly hit niblets through mutual matching of a second driving device, second rotary shafts, second bearings, the threshing rod, an oblique plate, the first housing and a second barrier plate, so that niblets break away from cobs, threshed cobs and niblets fall together, corn threshing process is completed, the corn threshing speed is improved, and splashing of stressed niblets is prevented from harming workers.

The invention discloses a sputum suction tube capable of being stretched into a bronchus. The sputum suction tube comprises a sputum suction tube body prepared from a flexible material, a plastic sleeve and a camera with a light source; two ends of the sputum suction tube body are used as a connecting hole and a sputum suction hole; the plastic sleeve sleeves the sputum suction tube body; two ends of the sputum suction tube body stretch out of the plastic sleeve respectively and can move back and forth in the plastic sleeve; airbags, which are symmetrical from left to right, are arranged at a part, close to the end of the sputum suction hole of the sputum suction tube body, of an inner wall of the plastic sleeve; air tubes of the airbags are arranged in a pipe wall of the plastic sleeve respectively; tail ends of the air tubes stretch out of the plastic sleeve; the air tubes are connected with handheld pressure balls respectively; the camera is mounted at a part, close to the end of the sputum suction hole of the sputum suction tube body, of the plastic sleeve. According to the sputum suction tube, the direction of the sputum suction tube is convenient to control after the sputum suction tube enters a throat, and the sputum suction tube can easily stretch into left and right bronchi, so that the drainage effect of sputum is improved.

The invention discloses a desilting device used for hydraulic engineering and relates to the technical field of desilting devices. The desilting device comprises a ship plate, the two sides of the ship plate are fixedly connected through a ship hull, a compression groove is formed between the bottom of the ship plate and the inner wall of the ship hull, the left side of the inner wall of the compression groove is fixedly connected with a hydraulic telescopic rod, the right end of the hydraulic telescopic rod is fixedly connected with a pressing plate, and the left side of the top of the ship plate is fixedly connected with a draining pump. The input end of the draining pump communicates with a water pipe. The bottom end of the water pipe communicates with a draining filter head. The outputend of the draining pump communicates with a draining pipe. The bottom of the ship plate is fixedly connected with two hydraulic telescopic columns from right to left in sequence. The bottom ends ofthe two hydraulic telescopic columns are fixedly connected with a vibration stirring device and a silt absorbing device correspondingly. According to the desilting device used for hydraulic engineering, absorbed silt is compressed and convenient to treat, redundant water can be drained into a riverway or a water reservoir again, and wasting of water resources is reduced.

The present invention discloses an atomizer having an atomization cavity arranged in an atomization core bracket. The atomizer comprises a shell, a suction port is formed in the suction nozzle end of the shell, a suction port pipe is downwards and integrally formed at the suction port, an opening is formed in the connecting end, a bottom cover is arranged at the opening to block the opening, and the connecting end can be connected with a battery assembly to form electronic atomization equipment. An atomization assembly is connected between the suction port pipe and the bottom cover, a liquid storage cavity is formed between the atomization assembly and the inner wall of the shell, the atomization assembly comprises a throttling cover and an atomization base which are connected up and down, cavities are formed in the throttling cover and the atomization base and used for installing an atomization core, the atomization core comprises a support, a heating piece and a liquid guide plate, and the support comprises a support plane and a support wall. The support wall is vertically arranged on the periphery of the lower portion of the support plane, the lower portion of the support plane and the support wall define an atomization cavity, an atomization through hole leading to the atomization cavity is downwards formed in the support plane, the heating piece is arranged on the support plane and the atomization through hole of the support plane, electrode leads are arranged at the two ends of the heating piece, and a liquid guide plate is tightly attached to the heating piece.

The invention discloses material-fluid separation pulping equipment using airflow eddy kinetic energy. The material-fluid separation pulping equipment mainly comprises an airflow eddy crushing device and a pulp generation device. The material-fluid separation pulping equipment is characterized in that the material-liquid separation includes that using airflow eddy kinetic energy to crush the material and mixing with liquid water to generate size. The material-fluid separation pulping equipment realizes the minimum energy-loss gas circulation through a gas inlet pipeline tangential to the edge of the outer side of the upper end of a conical material cylinder, realizes acceleration rotational flow and increases the airflow eddy crushing force through the conical material cylinder, realizes the crushed material sieving through a crushed material filtering device and realizes to quickly mix and stir to generate uniform pulp through a main crushed material conveying pipe, a branch crushed material conveying pipe and a liquid barrel.

The invention discloses a rotating disc type grain discharging and storing device. The rotating disc type grain discharging and storing device comprises a material bin, the material bin is arranged tobe in a barrel shape, an annular rail is fixedly installed at the top of an inner cavity of the material bin, a rotating disc is rotationally connected to the top of the annular rail, a gear ring isfixedly connected to the outer side of the rotating disc, a motor is fixedly installed on the side wall of the top of the material bin, the top of the motor is fixedly connected with a gear, the gearmeshes with the gear ring, a discharging bin is fixedly installed at the edge position of the rotating disc, a discharging hopper is fixedly installed at the bottom of the discharging bin, and the discharging hopper is located on the lower side of the rotating disc. According to the rotating disc type grain discharging and storing device, the structure is simple, convenience and practicality are achieved, the technical effect of uniform discharging can be achieved, the situation that storage is affected due to the fact that grains are locally accumulated in a stock bin is avoided, and dust mixed in the grains can be removed in the discharging process.

The invention discloses equipment and a method for recovering waste circuit boards, and relates to the technical field of electronic waste recovery. According to the equipment and the method for recovering the waste circuit boards, a crushing mechanism, a sorting mechanism, a mixing mechanism and a dicing mechanism are provided, wherein the crushing mechanism is used for crushing the waste circuit boards; one end of the crushing mechanism is a feeding port for putting the waste circuit boards, and the other end of the crushing mechanism is a discharging port for flowing out the crushed materials; the sorting mechanism is over against the discharging port to bear the crushed materials and convey the crushed materials to the next station; an electromagnet is arranged along the conveying route of the crushed materials; the mixing mechanism comprises a feeding port for bearing the metal-removed materials; the feeding port communicates with a mixing chamber; an outlet of the mixing chamber is formed in a mould head; and the dicing mechanism comprises a cutter capable of sweeping the outlet intermittently and a dicing motor for driving the cutter to move. According to the equipment and the method for recovering the waste circuit boards, the waste circuit boards can be recovered to prepare reusable glass plastic mixed particles.

The invention discloses an electronic cigarette capable of controlling preheating through a touch pressure sensor and a preheating method thereof. The electronic cigarette comprises a shell, an atomization device, a battery and a control circuit board, the atomization device comprises a heating element, and a central control unit, a touch pressure sensor, an environment temperature detection unit,a power output unit and a system power supply unit are arranged on the control circuit board; the outer surface of the touch pressure sensor is arranged on the surface of the shell; the central control unit controls the power output unit to adjust the working power of the heating element; the environment temperature detection unit detects the environment temperature of the electronic cigarette and transmits an environment temperature detection value to the central control unit, and the touch pressure sensor is used for detecting touch pressure and transmitting a touch pressure detection valueto the central control unit; the electronic cigarette has the beneficial effects that the touch pressure sensor can detect the touch pressure or the touch frequency of fingers of a user, so that thecentral control unit controls the power output unit to output power to the heating element to preheat cigarette liquid.

The invention discloses a novel tracheal catheter. The novel tracheal catheter comprises a catheter body composed of a hard inner cannula and a hard outer cannula, the catheter body is provided with an expansion airbag, the two ends of the outer cannula are fixedly connected with the outer wall of the inner cannula to form a sealing cavity in the middle, the rear end of the outer cannula is provided with an inflating catheter, and scale identifications are marked on the inflation pipe; the expansion airbag is fixedly connected to the front end of the outer cannula in a sealed mode, the front end of the expansion airbag sinks inward to form a bowl-shaped thickened support surface, the front end of the inner cannula is fixedly connected with the bowl-shaped thickened support surface, and the bowl-shaped thickened support surface is provided with a opened hole corresponding to the cannula hole of the inner cannula; the inflating catheter penetrates into the rear end of the outer cannula and is communicated with the expansion airbag; the front end of the outer cannula is provided with sieve meshes, the rear end of the outer cannula is provided with a liquid suction pipe, and the outer cannula is sleeved with a hard mouthpiece; the rear edge of the mouthpiece is turned over outward to form a lip blocking plate, the outer periphery of the mouthpiece is covered with a soft rubber layer, and the outer wall of the outer cannula of the front part of the mouthpiece is provided with a clamping block; the rear end of the inner cannula is provided with a connecting head. The novel tracheal catheter has the advantages of being simple in structure and convenient to use.

The invention discloses a double-layer jelly stick package for easily sucking the jelly. Specially, the air pressure in the package cannot decrease when the jelly is sucked, and therefore, the air pressure inside and outside the package is equal. Thus, the jelly in the package can be easily sucked out. The double-layer jelly stick package is composed of an outer layer and an inner chamber. The inner chamber is thinner and softer than the outer layer. One end of the outer layer is an air inlet opening and the other end is a sucking-out opening. The opening of the inner chamber is attached to the periphery of the inner wall of the outer layer on the end where the sucking-out opening of the jelly stick is arranged and shares the same sucking-out opening with the outer layer. When the air inlet opening and the sucking-out opening of the double-layer jelly stick package for easily sucking the jelly is shorn and the jelly is sucked at the sucking-out opening, the inner chamber draws towards the sucking-out opening under the action of the atmospheric pressure, and air can enter the outer layer package from the air inlet opening so that the air pressure inside and outside the package is equal. Thus, the jelly can be sucked out more easily.

The invention provides a high-flux simple and convenient purification method by magnetic beads for a sequencing product, belongs to genetic engineering, and relates to the technical field of purification method of DNA or RNA. The purification method comprises the following steps: placing a PCR product in a 96-mesh plate; adding magnetic beads in the 96-mesh plate; adding alcohol; oscillating for uniform mixing; leaving the materials to stand at a room temperature; conducting adsorption on a magnetic frame; clearing the solution; removing the alcohol; adding alcohol to stand; removing the alcohol; repeating the steps for one time; removing the alcohol; taking down the 96-mesh plate from the magnetic frame; placing the 96-mesh plate on a 50 DEG C 96-mesh heating block; adding sterilization deionized water in the 96-mesh plate; oscillating for uniform mixing; leaving the solution to stand at the room temperature after centrifugation; placing the 96-mesh plate on the magnetic frame to obtain the product purified by the magnetic beads. The purification method has the advantages that dyestuffs which do not react completely are removed more completely; the deion is economic, convenient and practical; dye peak can be removed effectively.

The invention discloses sewage suction equipment for cleaning river channel sludge and a sewage suction operation method of the equipment. The sewage suction equipment comprises a sewage suction ship,an elevator and a sewage suction execution device, the sewage suction execution device is arranged on the sewage suction ship in a lifting manner through the elevator, the sewage suction ship is provided with a sludge storage bin, and a sludge solid impurity screening mechanism is arranged at a bin opening of the sludge storage bin. The sewage suction execution device comprises a sewage suction pump, a sludge conveying pipe group, a sewage suction stirrer and a driving mechanism; the elevator drives the sewage suction execution device to descend to enable an inverted conical sewage suction shell body of the sewage suction stirrer and a sludge stirring and cutting frame to gradually penetrate into the river sludge, and the driving mechanism drives a vertical sewage guiding pipe and drivesthe sludge stirring and cutting frame to rotate to stir the river sludge and cut weeds in the river sludge. The sewage suction equipment can be used for sewage suction and cleaning operation of riversludge, and has good sewage suction effects and high efficiency.

The invention discloses a combined liquid-material separation type variable-speed airflow eddy kinetic energy pulping device. The combined liquid-material separation type variable-speed airflow eddy kinetic energy pulping device mainly comprises an air inlet device, an airflow eddy breaking device and a pulp generating device. The combined liquid-material separation type variable-speed airflow eddy kinetic energy pulping device is characterized in that two conical material barrels are combined for material and liquid separation, materials are broken by means of variable-speed airflow eddy kinetic energy firstly, and then the broken materials are mixed with liquid water to generate pulp. According to the combined liquid-material separation type variable-speed airflow eddy kinetic energy pulping device, a key cross section which is in the shape of a big oval or a small oval or a big circle or a small circle is used for achieving variable-speed eddy breaking, the phenomenon of rotary cakes is prevented, breaking efficiency is improved, constant-speed transition of the broken materials is achieved, the material filtering speed is increased, and blockage-free conveyance and rapid broken material mixing and stirring are combined; through smooth and fillet transition of the air inlet device, airflow movement resistance is reduced, and energy consumption is reduced; airflow pressurizing and accelerating are achieved through the design of a diameter difference value; through the arrangement of a broken material filtering device, screening of the broken materials is achieved, and the broken materials are prevented from getting stuck; water is added, air is exhausted and big foreign matter is prevented from falling into the device through a latticed water inlet provided with rectangular holes.

The invention discloses a degradable non-toxic sucker material with cold and hot application, and belongs to the technical field of high polymer materials. The degradable non-toxic sucker material with the cold and hot application is mainly prepared from the following raw materials: hydroxyapatite powder, calcium phosphate, polylactic acid, polycyclohexyl carbonate, polyhydroxyalkanoate, bagasse fibers, glycerin, mung bean starch, polyethylene glycol, polyvinylpyrrolidone, xanthan gum, konjac glucomannan, a stabilizer, a modifier, sodium alginate and POE. According to the degradable non-toxicsucker material with the cold and hot application, through blending modification and surface treatment, the sucker material has the characteristics of thermal resistance and ageing resistance. The degradable non-toxic sucker material with the cold and hot application can be used for drinking cold beverages and hot beverages, the surface is bright and clean, liquid can be easily sucked, and the degradable non-toxic sucker material with the cold and hot application is degradable, environmentally friendly, harmless, and good in thermal resistance.

The invention belongs to the technical field of oil field oil pumping unit polish rod cleaning, and particularly relates to a multifunctional paraffin-removal, descaling and cleaning assembly. The multifunctional paraffin-removal, descaling and cleaning assembly comprises a heat-preserving, sealing and steam-jetting cleaning device, and a star-shaped compound motion paraffin-breaking device, wherein the heat-preserving, sealing and steam-jetting cleaning device is arranged above the star-shaped compound motion paraffin-breaking device; the heat-preserving, sealing and steam-jetting cleaning device comprises a floating self-sealing assembly, a cleaning device main body and a pressure cover; the star-shaped compound motion paraffin-breaking device comprises a paraffin-breaking device main body, a wear-resisting brush assembly, a planetary transmission mechanism and a hydraulic motor; the hydraulic motor is a power source of the multifunctional paraffin-removal, descaling and cleaning assembly, and drives the planetary transmission mechanism to rotate, so that the wear-resisting brush assembly is driven to rotate to crush a paraffin cluster with a relatively great size on the surfaceof the polish rod; and the polish rod passes through the inner part of the cleaning device main body and the floating self-sealing assembly, so that the surface of the polish rod is cleaned after steam cleaning and uniform wiping. The cleaning effect of the multifunctional paraffin-removal, descaling and cleaning assembly is relatively ideal.

The invention discloses a cyanobacteria fishing device for a water conservancy project, and relates to the technical field of water conservancy project equipment. The water conservancy project blue algae fishing device comprises a water body filtering device, the water body filtering device comprises a connecting shaft, a first connecting rod is fixedly connected to the upper end of the circumferential side face of the connecting shaft, a first supporting ring is fixedly connected to the side face, away from the connecting shaft, of the first connecting rod, and a first connecting block is fixedly connected to the lower surface of the first supporting ring. The lower surface of the first connecting block is fixedly connected with a second supporting ring, the upper end of the outer side face of the second supporting ring is fixedly connected with a baffle ring, and a shell assembly is arranged on the outer side of the connecting shaft. When being stirred, the blue-green algae are easyto overturn to the position below the water surface, the specific gravity of the blue-green algae contained in the fished-up water body is reduced, repeated fishing is needed, and the blue-green algaefishing efficiency is low are solved.