281 results about "Vacuum extractor" patented technology

The invention discloses an automatic recovery and fill system of a refrigeration system, comprising a refrigerant recovery and fill device, a vacuum extractor and a refrigeration oil recovery and fill device, wherein, the refrigerant recovery and fill device comprises a gas-liquid separation evaporating drum, a compressor, an oil separator, a condenser and a fluid reservoir; the refrigeration oil recovery and fill device comprises an oilway filter, an oil reservoir and an oil flowmeter. As an outlet of the oil separator of the system additionally has the refrigeration oil recovery and fill device, both refrigerant recovery and refrigeration oil recovery are realized, also, the refrigeration oil can be filled into the refrigeration system and the compressor. The gas-liquid separation evaporating drum of the invention can separate gas and liquid fully, while a heating strip under the drum enables liquid refrigerant in the drum to evaporate at every moment, which prevents the return liquid damaging the compressor. The system has the effects of energy saving and environmental protection.

The invention relates to an integral environment-friendly vacuum ultrasonic cleaning and drying device for cleaning and drying the element in precision device. The integral environment-friendly vacuum ultrasonic cleaning and drying device contains a wash tank, an external groove body, a supersonic generator, an inner loop filter structure, a vacuum extractor, and a distillation recoverer, the inner loop filter structure and the wash tank being linked to form a circulation loop of cleaning agent; and the device also contains a heat conducting- oil heating structure, and a vacuum groove equipped with the external groove body, the wash tank being located in the vacuum groove, the vacuum extractor connecting with the vacuum groove, the distillation recoverer and the inner loop filter structure being linked to form a circulation loop of cleaning agent, the heat conducting- oil heating structure and the inner loop filter structure and the distillation recoverer being linked to form a circulation loop of heat conducting- oil. Connecting vacuum and ultrasonic cleaning in the invention, it can quickly eliminate dirt from the work-piece and rapidly dry the work-piece, coming up to a perfect cleaning effect.

The invention discloses an air permeable vacuum fast mud-water separation method of the dredged sludge storage yard with high water content, which relates to a water content fast reducing method of the dredged sludge with high water content and high clay content produced in the ports, the sea-routes and the hydraulic engineering. Through a vacuum extractor and a venting device, vacuum negative pressure in a space drainage system in a cofferdam storage yard is regulated, which can effectively solve the sludge plugging problem of the filtering and drainage system, cause the water content of the dredged sludge to be fast reduced, increase the sludge dredging amount of the cofferdam storage yard with the same capacity and reduce the land occupying area; meanwhile, the fast reducing of water content of the sludge can lighten the difficulty of subsequent processing of the sludge in the storage yard and shorten the construction period. With simple technique, low cost and obvious mud-water separation effect, the method is applied to the construction practice.

A vacuum extractor for obstetrical use comprises a vacuum cup at one end of an elongated stem having a handle at the opposite end. The vacuum cup is sealed over a portion of the head of the fetus and a vacuum source, usually operating through the stem, connects to the inner side of the cup and secures it to the fetal head. A strain sensor is connected to the stem. When the force applied to the cup through the handle and stem exceeds a predetermined maximum, a valve connecting the vacuum pressure to the atmosphere is opened so as to release the vacuum pressure from the cup.

The invention relates to a novel air pumping set which is applicable to the evacuating field. The novel air pumping set comprises a traction molecular pump, an arc titanium pump, a roughing pump and a fore pump, complements each other's advantages, and achieves the purpose of replacing the traditional air pumping set comprising a diffusion pump, a Roots pump and a roughing pump. Compared with the traditional air pumping set, the invention can save the air-pumping energy by 60-90%, eliminate the oil steam pollution in a vacuum chamber, and obviously improve the quality of vacuum products. The cost performance of the air pumping set is approximately 2-3 times better than that of the traditional high-vacuum air pumping set. Besides, the transpiration rate of the titanium materials of the air pumping set can be accurately controlled, and the titanium materials have a high use ratio and can be recycled. The roughing pump of the invention works in a very short time, and one roughing pump can be shared by multiple high-vacuum air pumping sets, thereby saving the device cost and the occupied space.

The invention relates to equipment and a method for detecting the sealability of a lithium ion battery. The equipment and the method are characterized in that a tested battery fixing and sealing device, a detection device (2), a vacuum extractor device (3) and an air supply device are respectively connected with four ports of a four-way pipe joint (6) through connecting pipelines; a liquid injection port (51) of a tested battery (5) which is fixed on the tested battery fixing and sealing device (1) is communicated with a digital display vacuum pressure gauge (21) of the detection device (2) through a connector (13) on the tested battery fixing and sealing device (1), a first connecting pipeline (7), the four-way pipe joint (6) and a second connecting pipeline (8) to form an airtight detection passage; during detection, the vacuum extractor device (3) vacuumizes the detection passage, and after detection, the air supply device (4) supplies air to the detection passage to facilitate the separation of the tested battery (5) and the connector (13); and a control system controls all the devices to work cooperatively.

The invention discloses a laser cutting method for an amorphous alloy strip material. The amorphous alloy strip material positioned in a machining passage is fixed through a suction pore canal connected with a vacuum extractor; therefore, the method ensures that the amorphous alloy strip material can cling to the machining passage under the action of air pressure generated by the vacuum extractor and does not have dithering in the horizontal or vertical direction; furthermore, a laser is used to cut the amorphous alloy strip material positioned on a machining position. The method solves the difficult problem that the amorphous alloy strip material is easy to shift in the laser cutting process, ensures machining precision, has simple operation and reliable effect and is suitable for popularization and use.

The invention provides a substrate film-coating processing system which comprises a cavity body, heaters, a gate valve assembly, substrate transmission devices, a vacuum extractor, a film thickness detector, an evaporation source and a controller, wherein the cavity body sequentially comprises a feeding cavity, an initial heating cavity, an organic film-coating cavity, an inorganic film-coating cavity, a cooling cavity and a discharge cavity which are communicated with each other to form a substrate transfer passage; the heaters are respectively arranged on the initial heating cavity, organicfilm-coating cavity and inorganic film-coating cavity; the gate valve assembly comprises a plurality of gate valves which respectively seal the initial heating cavity, organic film-coating cavity, inorganic film-coating cavity and cooling cavity; the substrate transmission devices are respectively arranged on the substrate transfer passage; the vacuum extractor is communicated with the initial heating cavity and the cooling cavity; both the film thickness detector and the evaporation source are arranged on the organic film-coating cavity and the inorganic film-coating cavity; and the controller is used for controlling the heaters, gate valves, substrate transmission devices, vacuum extractor, film thickness detector and evaporation source. The substrate film-coating processing system can integrate the organic and inorganic coating by evaporation, and can ensure the uniformity of the film coated on the substrate.

The invention discloses a light guide plate mould. The light guide plate mould comprises a lower mould, an upper mould arranged above the lower mould, an ejection rod hole formed in the bottom of the lower mould, a sealing strip arranged in the ejection rod hole, a mould cavity arranged in the lower mould, a material injection hole formed in the upper mould, an air exhausting hole which is formed in the upper mould and is communicated with the mould cavity, and a vacuum air pumping machine arranged at the top of the air exhausting hole, wherein the upper mould and the lower mould are matched to form a parting surface; the parting surface is provided with a sealing ring; a guide column is further arranged between the upper mould and the lower mould; the guide column is provided with a vibration absorption spring. With the adoption of the light guide plate mould, materials have no air resistance in the process of flowing in the mould cavity and the flowing is very smooth; no air exists in the mould cavity so that air bubbles in a product can be eliminated effectively; when the upper mould and the lower mould are closed, the vibration absorption spring can have a buffering effect and the mould is not damaged, so that the service life of the mould is prolonged.

The invention provides a firefighting extinguishment module which is large in power, long in an extinguishment water flow range and is high in system independence, and a control system. The system has high independence, and mains supply is not needed; and the module is easy to operate and can be started by one key. A radio remote control device is arranged in the module; and the remote control distance is more than 150 meters, and the distance between an operator and a fire source is more than 300 meters, so that the safety of the operator is effectively protected. The module comprises a box body, a diesel engine, a water collection device, a firefighting water pump, a pump outlet valve, a clutch, a vacuum air extractor, a fire plug, a fire monitor, a water cooling system and a hydraulic system; a water inlet of the firefighting water pump is connected with the water collection device; a water outlet is connected with a lower port of the fire monitor through the pump outlet valve; a rotation shaft of the firefighting water pump is connected with an output main shaft of the diesel engine through the clutch; an auxiliary output shaft of the diesel engine is connected with the hydraulic system through a transmission chain; the control end of a driving motor of a vacuum air pump is connected with a hydraulic oil system; and an air exhaust port of the vacuum air pump is communicated with the water collection device.

The invention relates to a flat single-tube vacuum refining device, belongs to molten alloy treatment, and especially relates to external refining of molten steel. The device comprises a dip tube, a ladle and a buggy ladle. The dip tube consists of an upper vacuum chamber and a melting chamber. A top lance, a vacuum pumping mechanism and a charging mechanism are installed on the dip tube. And the bottom of the ladle is provided with a permeable brick. The device is characterized in that the dip tube has a flat bottom, an approximately elliptic cross section, and two long side walls connected with two short side walls straightly and parallelly, also the arc of the ellipse is concentric with the ladle, the long axis of the ellipse is over a diameter line of the ladle, and a temperature measuring and sampling area forms between the long side walls and the inner wall of the ladle, a temperature measuring and sampling mechanism is arranged deeply in the area, the bottom argon blowing permeable brick is disposed eccentrically, and an air vent of the brick is positioned right below the dip tube. With the advantages of novel conception, simplified and compact structure, easy manufacturing, low cost, convenient operation, the device of the invention improves the stability and reliability of refining, enhances the decarbonization speed, and strengthens decarbonization stability. Being convenient for temperature measuring and sampling, the device provided in the invention ensures a smooth production process, and is beneficial to improve steel quality and lower production cost.

The invention discloses extruding equipment comprising a head, a vacuum extractor, a charging barrel and a charging device. A volume separator which is filled with water is arranged between an exhaust outlet of the vacuum extractor and a vacuum pump; the side wall of the volume separator is provided with a water inlet and a water outlet; a first exhaust pipe is communicated between the volume separator and the exhaust outlet; a second exhaust pipe is communicated between the volume separator and the vacuum pump; a side feeding part is arranged between an extruder barrel of the charging deviceand a hopper body; the side feeding part comprises a feeding box, a feeding screw, a feeding motor and a reduction gearbox, wherein the feeding box is communicated with the extruder barrel; the feeding motor drives the feeding screw; the feeding screw is positioned below the hopper body; and the end part of the feeding screw extends into the feeding box. With the structure, the extruding equipment can ensure the smooth vacuum pumping and the uniform and smooth material transport, thereby ensuring the reliable quality of products.

The invention discloses a multifunctional medication cupping jar. An infrared radiation board is disposed at the inner top of a multifunctional medication cupping jar body. One side of the wall of the multifunctional medication cupping jar is provided with a vacuum suction hole connected with a vacuum extractor. One side of the wall of the multifunctional medication cupping jar is further provided with a drug tube orifice connected with a drug deliverer or drug syringe. During delivery, volume-controlled liquid medicine enters a delivery tube from the drug tube orifice and reaches a nozzle at the other end of the delivery tube to be evenly sprayed to acupoint skin in the jar. The nozzle is disposed in the center of the body of the multifunctional medication cupping jar. The multifunctional medication cupping jar has the main functions of medical therapy and cupping, also has the moxibustion function of infrared radiation energy wave simulating traditional Chinese medicine moxibustion therapy, and has the effects of promoting transdermal absorption of traditional Chinese medicine liquids and improving the effect of medication cupping. According to the standard meridian point diagnosis oriented on cupping spot color inspection, the multifunctional medication cupping jar integrates advantages of three traditional Chinese medicine therapies, namely medical therapy, cupping and moxibustion, and allows for syndrome differentiation, diseases differentiation and constitution differentiation according to individuals, and accordingly allows for personalized medication cupping therapy.

The invention relates to an endoscopic ultrasonography puncture needle vacuum extractor device with quantitative control negative pressure. The vacuum extractor device comprises a push-pull rod, a piston, an extractor body, a fixing joint and a connection joint; the fixing joint is arranged at one upper end of the extractor body of which the other end is provided with the connection joint; the connection joint is provided with a one-way valve; the extractor body is marked with a calibrated scale; the piston is fixedly connected with one end of the push-pull rod of which the other end is fixedly connected with a handle; the push-pull rod is provided with a limiting lug; the fixing joint comprises a sleeve, a side wing, a connection hole and a limiting clamping slot matched with the limiting lug on the push-pull rod. The endoscopic ultrasonography puncture needle vacuum extractor device with the quantitative control negative pressure has the advantages that the size of negative pressure can be quantitatively controlled, the negative pressure of different sizes can be used for the puncture needle to extract different focus tissues to enable the focus tissues to be fully extracted, incomplete extracting due to overlarge or oversmall negative pressure is avoided, operation difficulty is reduced, operation is simple and a puncture needle is stable in angle and depth.

A substrate surface treatment equipment includes a chamber, a ultraviolet ray lamp, an infrared heating element, a blackbody radiation plate and a vacuum extractor. The equipment can do the substrate surface treatment. The substrate surface treatment equipment can wash or modify the substrate surface. Therefore, after the washing and modifying of the substrate surface, the substrate surface can include a better adhesion when processing a thin film deposition or a colloid suspension coating.

The invention discloses an intelligent detection control method of a vacuum pump and a device thereof. The method comprises the following steps: receiving an initiated input signal, and sending out a pressure detection signal; carrying out real-time detection on the pressure in the vacuum pump, and outputting pressure data; receiving the pressure data in real time; judging to determine whether an output pump meets the signal of initiating condition or not by combining a plurality of preset threshold value parameters according to the preset logic; and initiating the vacuum pump when the signal that the pump meets the initiating condition is received. The invention judges the initiation of the vacuum pump matching with a vacuum extractor in real time, and carries out high-precision, stable and effective control on the initiation of the vacuum pump, thus having better application value and social value.

The invention discloses a grinding device with the full-automatic function. The grinding device comprises a rice grinding shell. The middle of the left side of the rice grinding shell is fixedly provided with a motor through a motor support. The motor is connected with a gearbox. A rice grinding roller is arranged at the portion, inside the rice grinding shell, on an output shaft of the gearbox. A hopper is arranged in the middle of the top of the rice grinding shell. A flow dividing guiding plate is arranged at the joint of the hopper and the rice grinding shell. A bran discharging box is arranged in the middle of the bottom of the rice grinding shell. The right end inside the bran discharging box is provided with a rice huller screen in a downward-inclined mode. The bottom of the left side of the bran discharging box is connected with an aggregate box through a discharging motor and a hose. A bran discharging pipe is arranged on the right side of the top of the bran discharging box. The right end of the bran discharging box is connected with a vacuum air exhauster. The vacuum exhauster is connected with a bran collection box. According to the grinding device, the rice grinding efficiency is high, the rice and bran separating effect is high, and the quality of finished rice is improved.

The invention is applies to the technical field of vacuum acquisition and discloses an electric arc titanium pump and a vacuum air pumping group comprising the same. The electric arc titanium pump comprises a pump shell, a trapping plate, a cathode arc source member and a power supply, wherein the trapping plate is arranged on the inside wall of the pump shell, the cathode arc source member is fixedly arranged in the pump shell, and the pump shell and the cathode arc source member are in cylindrical shapes and are coaxially arranged; and the vacuum air pumping group comprises a vacuum chamber, wherein a molecular pump, a prepump, a roughing pump and the electric arc titanium pump are connected to the vacuum chamber. The electric arc titanium pump can be used for leading atoms steamed by the cathode arc source member to form an active film with even thickness and increasing the utilization rate of the cathode arc source member, thereby increasing pumping speed and air-pumping flow rate and reducing energy consumption and operation cost. The vacuum air pumping group can be used for replacing the current large-size diffusion pump with high energy consumption and high oil-vapor pollution and a Lobed pump air-pumping group in order to clean vacuum, save pumping energy consumption and reduce operation cost.

The invention discloses a device for cleaning the intestines and the stomach in a digestive system department. The device comprises a box, a first filtering plate is fixedly connected to the middle lower portion inside an intestine and stomach cleaning fluid box, an S-shaped heating plate is arranged on the first filtering plate, an activated carbon deodorizer is arranged at the upper end of an air outlet pipe, and the upper end of a waste liquor bucket is connected with a liquid outlet of a vacuum extractor through a pipeline. According to the device for cleaning the intestines and the stomach in the digestive system department, intestine and stomach cleaning fluid can be uniformly heated through the S-shaped heating plate in the intestine and stomach cleaning fluid box, the blocking problem in the transfusion process is effectively prevented by means of the vacuum extractor and a hydraulic wheel inside a cleaning head, environmental protection and air freshening are achieved by treating waste liquor through the filter layer inside the liquid medicine tank and an activated carbon processor at the air outlet, medicine treatment can be conducted on a patient by means of the liquid medicine tank after the intestines and the stomach are cleaned, and second pain caused by the medicine treatment to the patient is avoided.