30results about How to "Fast suction" patented technology

The invention discloses a rescue device, a vehicle and a rescue method. The rescue device comprises a suction pipe, a fan system and an air injection release system, the suction pipe communicates withthe suction opening of the fan system, and the fan system can generate negative pressure to enable the suction pipe to suck coverings; the air injection release system comprises an air compressor unit, an air injection pipeline and a nozzle; compressed air generated by the air compressor unit can be sprayed out of the nozzle through the air injection pipeline so as to release a to-be-sucked covering. The negative pressure generated by the fan system is adopted to enable the suction pipe to suck the covering, manual excavation is replaced with pneumatic suction in a non-mechanical contact mode, secondary damage to a buried object can be avoided, the labor intensity of workers is reduced, the rescue time is shortened, and the rescue efficiency can be remarkably improved; the air injection release system is assisted to release densely covered particles, so that the suction speed of the covering is increased, a buried object can be found as early as possible, and therefore, a rescue strategy can be adjusted.

The invention discloses a refrigeration system, a refrigerator with the refrigeration system and a control method of the refrigerator. The refrigeration system comprises a compressor, a condenser, a throttling component, a flash generator, an evaporator, a one-way valve and an air return heat exchanger which are sequentially connected to form a closed loop; a refrigerating fluid is arranged and isused for circularly refrigerating in the closed loop; an electric flow regulating valve is arranged and is provided with an inlet and an outlet, the inlet is connected with the flash generator, and the outlet is connected with the one-way valve and the air return heat exchanger; and a control panel is arranged, is connected with the electric flow regulating valve and is used for controlling the opening degree of the electric flow regulating valve. In addition, the invention further provides the refrigerator with the refrigeration system and the control method of the refrigerator. According tothe refrigeration system, the refrigerator and the control method, the gas-liquid separation effect of a refrigerant through the flash evaporator is achieved, so that a refrigerant liquid is suppliedto the evaporator, refrigerant gas is guided to an air suction port of the compressor, and therefore high-efficiency operation of the refrigerating system is realized, and finally the requirement forthe energy-saving operation of the refrigerator is met.

The invention belongs to the technical field of dust hazard treatment, in particular to a treatment method for dust hazard in a textile factory. The treatment method comprises the following steps of innovating technology equipment, arranging an adsorption device besides the equipment, and reducing the emission amount of dust to the workshop by the equipment; reinforcing comprehensive air ventilating, and uniformly arranging a plurality of groups of fans at the wall of the workshop, so as to increase the air exchange times of the workshop, improve the working environment, and exhaust the dust out of the workshop along with air flow; filtering the fresh air and returned air by filters, and removing the entrapped textile dust in the returned air when the returned air is used for warming, so as to avoid the injury to a respiratory system of a human body by the textile dust; adsorbing the dust in the textile factory by an industrial deduster, so as to reduce the amount of dust in the workshop, and decrease the injury to the human body by the dust. The treatment method is suitable for the treatment of dust hazard in the large textile factory, the treatment effect is good, and the injuryto the human body by the dust can be effectively decreased.

The invention discloses a comprehensive utilization method for bottom-top composite blowing smelting reduction of high-iron red mud. The comprehensive utilization method mainly comprises the following steps: the high-iron red mud is mixed with a reducing agent, a slag former and fluorite; the mixed raw materials are added into a reduction furnace molten pool for a reduction reaction, oxygen-enriched air and fuel gas are blown to the top in the reduction process, and mixed gas of reducing gas and oxygen is blown to the bottom in the reduction process; and low-sulfur and low-phosphorus pig iron and reducing slag are obtained through bottom-top composite blowing smelting reduction, and rock wool products are prepared through tempering, centrifuging and wire drawing and fiber forming of the thermal-state reducing slag. By means of bottom-top composite blowing smelting reduction, continuous reduction of the high-iron red mud can be achieved, a low-residue high-quality pig iron product is directly obtained, the reduction rate of iron reaches 95% or above, and meanwhile the recovery rate of sodium oxide reaches 70% or above.

The invention provides a high efficiency coal bed methane extraction method which has a function of regulating and controlling desorption and diffusion function and is low in cost. Well head equipment, a remote control system and a system control algorithm are combined to implement the method; N wells form a network, and a whole methane extraction area is monitored and managed; modern technologies such as an infrasonic wave technology, a matrix control technology and a big data technology are used to regulate and control area coal bed desorption and diffusion to achieve an optimal effect. Gas extraction can be performed at a frequency lower than that of audible sound wave (including infrasonic wave) by controlling the well head equipment, a certain periodical fluctuate pressure is applied on the coal bed constantly during methane production, a micro structure of the coal bed generates periodical elastic shrinking relaxation deformation under the pressure, the frequency and a unit whole drive scheme are changed, unit desorption and diffusion features are searched and extracted, optimal periodical data can be found by tracking the features, and stratum energy is activated by adoption of the optimal periodical data, and in this way, coal bed methane can be rapidly extracted in low cost.

A vacuum cleaner includes a first dirt separation unit and a second dirt separation unit. The first dirt separation unit has a first inlet port through which a suction air stream including dirt particles is introduced thereinto, and the second dirt separation unit has a second inlet port through which the air stream introduced into the first dirt separation unit is introduced into the second dirt separation. The first and the second inlet port are disposed such that they are not registered with each other. Accordingly, the dirt particles suctioned are separated in two stages, thereby decreasing the possibility of occlusion of a filter and rapid deterioration of a suction force.

The invention relates to an aluminum scrap depositing and melting device, which mainly comprises a main melting chamber, an electromagnetic pump, a charging well and a connecting pipeline, wherein the main melting chamber is connected with the charging well through a feed pipe and the electromagnetic pump arranged on the feed pipe; the charging well is connected with the main melting chamber through a return pipe arranged at the bottom to form a circulation loop; the charging well has a cylindrical bucket body structure; the cross sections of the feed pipe and the return pipe are round; the connecting angle between the feed pipe and the charging well in the vertical direction is between 91 and 93 degrees; and the connecting angle between the return pipe and the charging well is between 91 and 93 degrees. The angle for the feed pipe entering the charging well in the horizontal direction enables the molten aluminum to simultaneously have a tangential velocity and a normal velocity relative to the round cross section of the charging well, the mounting position of the return pipe is favorable for the formation of a vortex, and the size of the pipe diameter ensures the liquid height in the charging well so that the molten aluminum forms the vortex with high vortex strength in the charging well and can quickly entrain and cover the aluminum scraps added into the charging well. The depositing and melting device has high depositing and melting capability and high production efficiency.

The invention discloses a vacuum system applied to production of acrylic acid and acrylate. The vacuum system comprises a tower top buffer tank, a tail gas condenser, a multi-stage Roots vacuum unit,a post-stage condenser, a gas-liquid separation tank and a water ring vacuum pump; the tower top buffer tank communicates with a gas inlet in the top of the tail-gas condenser to discharge tail gas into the tail-gas condenser, a gas out in the side of the lower part of the tail-gas condenser communicates with the gas inlet end of the multi-stage Roots vacuum unit, the gas outlet end of the multi-stage Roots vacuum unit communicates with the post-stage condenser, the post-stage condenser communicates with the gas inlet end of the gas-liquid separation tank, and the gas outlet end of the gas-liquid separator communicates with the water ring vacuum pump. The vacuum system applied to the production of the acrylic acid and the acrylate provided by the invention has the characteristics of high running stability, environmental protection, energy saving, and low maintenance costs.

The invention discloses an open ripe durian shelling device. The open ripe durian shelling device comprises a mesh clamping mechanism used for clamping a durian, a splitting spike clamping mechanism used for splitting off the durian, and a magnetic clamping mechanism used for magnetic clamping and hammering; straight rods are arranged in the splitting spike clamping mechanism; the interior of thesplitting spike clamping mechanism is fixedly connected with the top part of the mesh clamping mechanism by the installed straight rods; a straight tube is arranged in the magnetic clamping mechanism;and the magnetic clamping mechanism is movably connected with the mesh clamping mechanism by the installed straight tube. Each of forked blocks is in the shape of two oblique spikes, and is rapidly inserted into a durian shell to stably clamp the durian shell, so that the shell removal efficiency is guaranteed; moreover, two spikes face two sides, and the through hole design that the durian shellis not easy to damage is employed; and when being clamped in the through holes, the durian shell can be torn left and right by rotation of a second mesh and the first mesh, thus guaranteeing the tearing degree of the durian shell.

The invention discloses a building foundation mud transportation method, comprising the steps of: (A) material excavation and feeding; (B) scouring; (C) vibration screening; and (D) separation and transportation. The invention further discloses building foundation mud transportation equipment; an equipment base is provided with a decomposition device capable of decomposing building foundation mud excavated and sent by excavation equipment; the decomposition device includes a water current scouring part for scouring the building foundation mud to decompose the building foundation mud to slurry and thick solids; the decomposition device further includes a vibration screen capable of enabling the slurry to drip and capable of vibrating the thick solids to fall in a thick solid stacking place on the equipment base; a slurry storage pool is formed in the equipment base below the vibration screen; the equipment base is provided with a suction part capable of sucking the slurry in the slurry storage pool into a soil receiving field; and the suction part includes a suction pump and a suction pipe. The building foundation mud transportation method and the building foundation mud transportation equipment are adopted to transport the building foundation mud, and are high in efficiency and low in cost.

The invention provides a coal mine underground blasting operation space instantaneous smoke dust rapid elimination device and a use method. The device comprises an underground compressed air pipeline,a negative pressure ejection device, a multistage negative pressure dust collection device and a high pressure wet spraying device. Firstly, high pressure gas enters the negative pressure ejection device, and a high negative pressure environment is formed in a negative pressure ejection cavity; the negative-pressure power is used for sucking smoke and dust through the multistage negative-pressuredust sucking device, and separation is implemented; and the dedusted flue gas and high-pressure gas are mixed and enter the high-pressure wet spraying device, toxic and harmful flue gas is absorbed by an organic active agent, moisture formed by combining clean gas and the organic active agent is sprayed to an underground blasting operation space, and further dedusting is implemented. The device is small in size, convenient to move, easy to operate, capable of achieving industrial production and high in field practicability. The device has a multistage linkage smoke dust eliminating function of absorbing dust at negative pressure, dissolving smoke with an organic active agent and humidifying and settling dust at high pressure, the efficiency is high, the effect is good, and low-cost and high-speed effective treatment is achieved.

The invention discloses a negative-pressure uniform coating crossed yoke method magnetic powder detection crawling device. The negative-pressure uniform coating crossed yoke method magnetic powder detection crawling device structurally comprises an outer expanding shell, a light supplementing lamp, a crossed yoke type magnetic powder flaw detector, a machine frame, a movable wheel, a liquid spraying kettle, a negative pressure ring, a magnetic plate placing column and a driving motor. The negative pressure ring is provided, so that when magnetic suspension is sprayed to the surface of the magnetic powder, absorbing forces generated by a left absorbing ring and a right absorbing ring at the two ends can absorb the magnetic suspension towards two sides and the dispersing speed of the magnetic suspension can follow the moving speed of the device; furthermore, small air holes in a left adsorbing plate at the left end are dense, an air net is provided and negative pressure machines at the two ends can control output voltage, so that the adsorbing force generated at the left end is large, the dispersing speed of the magnetic suspension towards the left end can follow the displacement difference of the two ends, the magnetic suspension covers the magnetic powder uniformly, and the image tracked by the crossed yoke type magnetic powder flaw detector is more comprehensive.

The invention relates to a drainage tube for a wound in the lumen. A plurality of circulation holes are uniformly formed in a flushing tube; a flushing opening is formed in a flushing end part, a suction tube is arranged in the flushing tube, one end of the suction tube is close to the closed end of the flushing tube, and the other end of the suction tube extends to penetrate through the flushingtube and the flushing end part; a cavity is formed by the suction tube, the flushing tube and the flushing end part and is used for injection of a medicament; a steel wire can be inserted into or drawn out of the suction tube; the steel wire plays a supporting role when being inserted into the sinus tract; and a Luer connector or a locking connector is a suction port and can be connected with a suction device. According to the drainage tube for the wound in the lumen, the flushing tube is arranged outside, the suction tube is arranged inside, and the plurality of circulation holes are uniformly formed in the flushing tube, so that the medicament can be uniformly distributed on a wound dressing and further uniformly distributed on the wound surface, the whole wound surface can play a good role in disinfection, the suction speed can be greatly increased, and the effect of quickly cleaning grimy blood can be achieved.

The invention discloses a large diamond saw blade top edge sharpening workbench rotary mechanism which is characterized by comprising a rack, a material tray, a proximity sensor, a motor, a public power input line, a proximity sensor control signal input line, an electromagnetic chuck electrifying switch signal input line, a public power output line, a proximity sensor control signal output line,an electromagnetic chuck electrifying switch signal output line, a slip ring insulation sleeve, three slip rings and a plurality of electromagnetic chucks. The rack is provided with a left side plate,a bearing plate and a right side plate. The motor is installed on the bearing plate through a screw. The material tray is installed at the upper end of an output shaft of the motor. The proximity sensor and the multiple electromagnetic chucks are installed in holes of the material tray. The slip ring insulation sleeve is installed on the lower portion of the output shaft of the motor. The three slip rings are installed on the slip ring insulation sleeve sequentially from top to bottom. The large diamond saw blade top edge sharpening workbench rotary mechanism is novel in structure, good in edge sharpening quality, high in production efficiency, stable in operation, safe and reliable.

The invention discloses an agricultural plant protection unmanned aerial vehicle capable of spraying in a large area. The agricultural plant protection unmanned aerial vehicle comprises a rack and four supporting legs arranged on the rack, the bottom of the rack is fixedly connected with a liquid storage barrel, a mounting shaft is rotatably mounted in the liquid storage barrel, the outer wall of the mounting shaft is connected with a stirring mechanism used for mixing pesticide liquid. One end of the mounting shaft extends to the outer wall of the liquid storage barrel and is fixedly provided with a driving paddle, the end, close to the driving paddle, of the liquid storage barrel is provided with a driving mechanism enabling the mounting shaft to rotate, and the other end of the mounting shaft extends to the outer wall of the liquid storage barrel and is fixedly provided with a second circular plate. Through the ingenious design of the structure, self-adaptive adjustment between the flight speed and the spraying amount of the unmanned aerial vehicle is achieved, so that the problem of uneven regional spraying is avoided, meanwhile, the unmanned aerial vehicle can adapt to different spraying environments conveniently, and the energy utilization rate is improved.

The present invention provides a processing fixture for realizing aluminum-nickel bonding of a ceramic patch packaged device and a processing method therefor. The processing fixture includes a base board. A large area of groove is disposed in the middle of an upper end of the base board. A gas nozzle is mounted on one side surface of the base board. The gas nozzle is connected into the groove in the base board. A rubber pad is mounted on the upper end of the base board. Multiple cavities are disposed on an upper end of a location board. Every two adjacent cavities are separated by a clapboard. The cavity is internally provided with three air holes penetrating the location board in a vertical direction. Through adoption of the processing fixture and the processing method, debonding caused by bonding strength of gold and aluminum is prevented, and due to use of pure nickel sheets, nickel-plated copper sheets are simple to assemble, and the production efficiency is improved.

The invention belongs to the field of medical auxiliary devices, and particularly relates to an ercp auxiliary manipulator device which comprises a supporting seat, a first sliding groove is formed in the supporting seat, a supporting plate is slidably connected to the first sliding groove, a lifting device matched with the supporting plate is arranged on the supporting seat, a fixing seat is fixedly connected to the supporting plate, two supporting rods are slidably connected to the fixing seat, suction pipes are fixedly connected to the two supporting rods, the upper ends of the suction pipes fixedly communicate with suction cup hands, and sliding bases are fixedly connected to the ends, away from the suction pipes, of the two supporting rods. By means of the design, a user can conveniently move an operating bed, the complexity and labor loss caused by lifting of multiple persons for movement are avoided, the positions of the suction cup hands can be adjusted according to the widths of different operating beds, the suction cup hands can be better in butt joint with the middle area of the operating bed, and the stability of the operating bed in the moving process is guaranteed.

The invention discloses an automatic cupping jar physiotherapy instrument which comprises a shell which comprises an upper shell and a lower shell. A power supply, a control display assembly and a voltage regulating assembly are installed in an inner cavity of the upper shell. The lower shell is fixedly mounted at the bottom of the upper shell, and an essential oil cavity is formed in the lower shell; the bottom of the upper shell communicates with the essential oil cavity through an installation pressing assembly. The center of the bottom of the upper shell sinks inwards to form a heating cavity, and a heater is installed in the heating cavity. The heater is electrically connected with the control and display assembly and the power source. The heating cavity, the lower shell and the human skin form a closed space, the pressure adjusting assembly adjusts air pressure through the air tap, and the shell is adsorbed to the human skin. The device is small in overall size and convenient to carry; the multifunctional cupping device has multiple functions of negative pressure cupping, heating physical therapy and essential oil coating, and multiple purposes are achieved; the device is high in suction speed, low in noise, small in vibration and good in adsorption effect while high negative pressure is met.

The invention relates to a negative pressure drainage device, which comprises a flushing device, a wound dressing and a suction device, wherein one end of the wound dressing is connected with the flushing device and the other end is connected with the suction device; the flushing device comprises a bag body, a tee joint and flushing pipes; one end of the bag body is connected with an inlet of thetee joint and the other end is connected with a medicament input equipment; three outlets of the tee joint are correspondingly connected with three flushing pipes separately; the three flushing pipesare arranged in the wound dressing; and a plurality of suction holes are formed in each suction pipe of the suction device and communicate with micropores in the wound dressing to suck stained blood on the wound dressing. The plurality of suction holes are uniformly arranged in the wound dressing, and the stained blood can flow out of the plurality of suction holes, so that the suction speed is greatly increased and the effect of quickly cleaning the stained blood can be achieved. The flushing device of the negative pressure drainage device is provided with the bag body, can slowly release medicament by using the bag body and can clean and disinfect a wound, so that the efficiency is high and the operation progress is ensured.

A suction type bottle cap has a bottle cap and a suction device. The suction device comprises a vacuum draw bar, a liquid suction cavity, a piston and at least one suction pipe (5). The liquid suction cavity is connected with the bottle cap, the upper end of the suction pipe communicates with the liquid suction cavity, the lower end of the vacuum draw bar is placed in the liquid suction cavity, and the piston is arranged at the lower end of the draw bar. The suction type bottle cap can prevent liquid from polluting the bottle mouth so as to avoid unnecessary waste, is convenient for liquid suction and accurate in measurement, and is suitable for the suction of various liquids.

The invention discloses a fast smoke removing device. The fast smoke removing device comprises a storage tank, a gas inlet pipe, a gas exhausting pipe and a vacuum pump, wherein the storage tank is provided with a round bottom wall, a rotary peripheral wall and a sealing cover; the rotary peripheral wall is provided with a penetrating hole; liquid is contained in the storage tank, space is reserved between the liquid level and the sealing cover; the penetrating hole is higher than the liquid level. The first end of the gas inlet pipe is communicated with a sucking point, and the second end of the gas inlet pipe penetrates through the sealing cover in a sealing manner from top to bottom so as to extend into the storage tank, and is communicated with a communicating pipe; the section area of an inner hole of the communicating pipe is increased gradually from top to bottom, and a lower end opening of the communicating pipe is inserted into the liquid; the first end of the gas exhausting pipe is communicated with the penetrating hole, and one section, which corresponds to the first end, of the gas exhausting pipe is arranged along the tangential direction of the penetrating hole of the rotary peripheral wall; an inlet of the vacuum pump is communicated with the second end of the gas exhausting pipe, and an outlet of the vacuum pump is an exhausting hole. The fast smoke removing device has the following advantages that the sucking speed is high; the smoke-removing effect is good; after the smoke is removed from gas, the gas enters the vacuum pump, so that the air is clean and the operation life is long.

The invention belongs to the technical field of combustible ice mining, and particularly relates to a method for improving combustible ice mining safety. The method includes the following steps that combustible ice is mined by using an efficient combustible ice mining device; multiple groups of constant flaming torches are arranged on a combustible ice mining platform to ignite leaked methane gasso as to prevent the methane gas from affecting the atmospheric environment or even causing an explosion; and through four-in-one detection of relevant detection devices to atmosphere, seawater, seabed and underground, methane pollution to the atmosphere environment is avoided, and topography change of the seabed is avoided at the same time. According to the method for improving the combustible ice mining safety, the safety in the process of combustible ice mining can be improved comprehensively, and the mining efficiency is high.

The invention discloses a thyroid cyst suction device, and relates to the technical field of medical instruments. A first fixing ring and a second fixing ring sleeve a neck of a patient, first rotating sleeve rods are rotated, a first rotating rod is moved by each first rotating sleeve rod, a protective pad is tightly attached to the neck, second rotating sleeve rods are rotated, then second rotating rods at the two ends of each second rotating sleeve rod support open the first fixing ring and the second fixing ring, and the neck can be fixed, so that the position of the thyroid cyst is convenient to observe; and a movable rod is placed outside a first movable ring and a second movable ring, a rotating block is rotated to enable the interior of a rolling wheel to be tightly attached to theexterior of the first movable ring and the exterior of the second movable ring, when the position of the thyroid cyst is observed, a bolt is rotated to fix a movable mechanism, the movable mechanismcan adjust the positions of a movable needle head and the thyroid cyst, then an extraction needle tube is replaced by rotating the second movable ring, and the thyroid cyst suction speed is increased.

The invention provides a kitchen waste vacuum suction feeding system and method. The kitchen waste vacuum suction feeding system comprises a vacuum transfer tank, a discharging valve, a vacuum pump station, an air suction pipe, a suction pipe, a lifting platform, a tank body fixing base, a suction pipe supporting arm frame and an air compressor. The vacuum transfer tank is fixed on the lifting platform through the tank body fixing base; a discharging hole of the vacuum transfer tank is provided with the discharging valve; a feeding hole and an air suction hole are formed in the top of the vacuum transfer tank; wherein the feeding hole is connected with the suction pipe, and the suction pipe is assembled through the suction pipe supporting arm frame; and the air suction hole is connected with the vacuum pump station through the air suction pipe. The invention provides the kitchen waste vacuum suction feeding system which is suction equipment which is low in cost, capable of sucking materials under negative pressure and discharging materials under positive pressure, high in suction speed and free of leakage and pollution in the operation process, and kitchen waste in a barrel or kitchen waste in a kitchen truck tank can be conveniently pumped into a feeding storage bin.