91results about How to "Block the flow" patented technology

The invention discloses new nanometer ceramic high temperature resistant heat preservation paint and the preparing method and use. Its components part by weight are as follows: film forming matter 10-35, filling 50-75, ceramic micro-balloon 8-50, and modified nanometer material 3-12. The produced nanometer ceramic high temperature resistant heat preservation paint can prevent solid heat transfer and radiant heat transfer, thus it can greatly improve heat preservation effect. And its high temperature resistant can reach 1000 degree centigrade.

The invention discloses an emergency hemostasis device for the hematology department. The emergency hemostasis device comprises a base, a motor driving device, a cotton swab disinfecting and cleaningdevice, an emergency hemostasis hand device, a blood pressure display device, a disinfecting and cleaning solution storage device, an adhesive tape fixing device, an automatic ice compress nozzle mechanism and an imaging device, wherein the base is a mounting platform for all the devices, and the emergency hemostasis hand device is used for fixing hands, feet and other parts and blocking blood flow, so that blood vessels are exposed; when being adjusted to a proper position, the cotton swab disinfecting and cleaning device disinfects a wound, the automatic ice compress nozzle mechanism is aligned to the wound to work to achieve the effect of emergency hemostasis, the emergency hemostasis hand device grasps hands and feet to be adjusted to proper positions and then automatically binds the wound with an adhesive tape, the adhesive tape fixing device is operated, and a needle head can be stuck to the hand through the adhesive tape so as to fix the wound; and the imaging device can identify accurate positions of arms and feet of a human body.

The invention relates to a moisture liquid phase sampler with an eccentric hole plate. The moisture liquid phase sampler comprises a sampling pipeline main path 1, a sampling U-shaped loop 5 and a liquid phase sampling bottle 7, wherein the sampling pipeline main path 1 is connected onto a moisture circulation pipeline; the eccentric hole plate 2 is fixed on the sampling pipeline main path 1; the center of the hole is positioned above the center axial line of the main pipeline; an inlet and an outlet of the sampling U-shaped loop 5 are respectively positioned in the two sides of the eccentric hole plate of the sampling pipeline main path 1; the liquid phase sampling bottle 7 is positioned under the U-shaped loop 5, and is connected with the sampling U-shaped loop 5 through a switch valve; a three-way valve structure is arranged in positions of an inlet position and an outlet position of the sampling U-shaped loop 5 and in a position among the inlet and outlet of the sampling U-shaped loop 5 and the liquid phase sampling bottle 7. The moisture liquid phase sampler has the characteristics that the structure is simple; the efficiency is high; meanwhile, the dynamic sampling in the moisture flowing process is realized; the sampled liquid phase samples have good representativeness.

The invention discloses a high-flame-retardant steel fireproof door made of an environment-friendly filling material, and relates to the technical field of fireproof doors. The high-flame-retardant steel fireproof door comprises a fireproof door housing, wherein a storage box containing cavity is formed in the fireproof door housing; three lower sliding grooves are formed in the bottom end face ofthe inner wall of the storage box containing cavity; three upper sliding grooves are formed in the top end face of the inner wall of the storage box containing cavity; a T-shaped limiting groove is formed in the upper part of the storage box containing cavity; two limiting holes are formed in the inner wall of the T-shaped limiting groove; a distilled water storage box, a dry powder storage box and a yellow sand storage box are sequentially connected into the storage box containing cavity in a sliding mode from back to front; a T-shaped sliding block is connected into the T-shaped limiting groove in a sliding mode; and the distilled water storage box, the dry powder storage box and the yellow sand storage box are limited through the T-shaped sliding block. According to the high-flame-retardant steel fireproof door, the yellow sand storage box, the dry powder storage box and the distilled water storage box are combined for use, a fire can be extinguished step by step, and the fire is prevented from further spreading.

The invention discloses a combined type separation device for high-grade concrete and low-grade concrete. The separation device comprises a base, a drawing strip and a corner drawing piece which are mutually independent and can be combined for use; when in use, the base is placed on board steel bars to be bound by banding wires; drawing strips with different specifications are selected to be inserted in the base according to intervals between the steel bars and spliced tightly to prevent the concrete from flowing; other bases are sequentially mounted in place, and are connected and fixed through the corner drawing piece, and then concreted is poured; According to the combined type separation device for high-grade concrete and low-grade concrete, concrete is limited in a specific area due to interception of the device and is prevented from flowing here and there, so that the situation that high-grade concrete and low-grade concrete are disordered is effectively solved, the requirement of strong column and weak beam is met.

The invention relates to the field of printing machinery, and more particularly to a liquid metal printing cartridge. The liquid metal printing cartridge includes an accommodating chamber and a pressure regulating device for adjusting the top pressure of the accommodating chamber. The pressure regulating device comprises a negative pressure passage having one end communicating with the top of the accommodating chamber and the other end for communicating with a negative pressure generating device and/or a pressurizing device capable of selectively pressurizing the top of the accommodating chamber. The cartridge prevents the ink under greater gravity from leaking from the tip and allows the ink to flow smoothly downward and at a moderate speed.

The invention discloses an automatic transfusion injector for obstetrics and gynecology. The automatic transfusion injector comprises a base, a wrist fixing device, an injection device, an adhesive tape pasting device and an imaging device, wherein the base is a placing platform of a hand of the device and a mounting platform of each device; a wrist is fixed by the wrist fixing device to block blood flow, so that blood vessels are exposed; the injection device can grasp a needle, adjust the needle to an appropriate position, and then automatically inject the needle into a vein; the adhesive tape pasting device can be operated to paste the needle on the hand by an adhesive tape, thereby fixing the needle; and the imaging device can identify positions of blood vessels in human arms.

The invention provides a color filter. The color filter comprises a substrate, a first transparent conductive layer, a second transparent conductive layer, an alignment layer and sealing frame glue, wherein the first transparent conductive layer is arranged at the edge of the periphery of the substrate and has a 'double-stacked-square'-shaped structure; the second transparent conductive layer covers the first transparent conductive layer and extends to a position above the substrate; the second transparent conductive layer comprises a flat portion arranged on the substrate and a step portion which is arranged above the first transparent conductive layer and is connected with the flat portion; the alignment layer is arranged on the flat portion; and the sealing frame glue is arranged on thestep portion. The 'double-stacked-square'-shaped first transparent conductive layer is additionally arranged at the edge of the periphery of the substrate, then the edge of the second transparent conductive layer is heightened, the alignment layer is effectively stopped from flowing to the edge of the periphery, the sealing frame glue is prevented from pressing the alignment layer, steam is stopped from entering the color filter, and finally, the stability of the color filter is improved.

The invention relates to the field of pipeline mounting, in particular to a water drainage pipeline mounting process. The water drainage pipeline mounting process comprises the following steps: step 1) of excavating a pipeline mounting groove; step 2) of mounting a tube seat in the groove; step 3) of sequentially hoisting a plurality of pipeline units; step 4) of connecting adjacent pipeline unitsto form a water drainage pipeline; step 5) of coating thermal-insulation paint on the surface of the water drainage pipeline to form a thermal insulation layer; step 6) of backfilling soil and compacting the soil to form a pipeline soil layer, and controlling vertical height difference between the top of the pipeline soil layer and the top of the water drainage part to be 2cm-5cm; step 7) of spreading porous stones on the pipeline soil layer to form a stone heat insulation layer; and step 8) of backfilling soil into the stone heat insulation layer, and compacting the stone heat insulation layer to repair ground. The water drainage pipeline mounting process has the effects of enabling a water body in a water drainage tube to be not liable to ice and expand, and enabling the water drainagepipeline to be not liable to damage.

The invention provides a plunger type oil spraying pump achieving variable oil supply under multiple working conditions. The plunger type oil spraying pump mainly comprises a plunger and barrel assembly, an oil adjusting device composed of a rack, a gear and a rotating shaft, a driving selecting device composed of a driving frame, a top plate and a top plate stirring rod, an auxiliary driving device composed of a guide plate, a wheel frame and a wheel, and a double-speed-cam driving device composed of a driving shaft, a low-speed cam and a high-speed cam. The plunger type oil spraying pump achieving variable oil supply under the multiple working conditions is characterized in that variable oil supply under the multiple working conditions is achieved through three kinds of chutes, the high-speed cam and the low-speed cam. Multi-working condition adjustment on the effective stroke of a plunger is achieved through the three kinds of chutes in the side face of the plunger, in other words, fine adjustment and buffered oil spraying are achieved through the double-curve type chute, convenient linear adjustment and accurate control are achieved through the linear chute, and rapid emergency adjustment is achieved through the fast-opened chute. Positioning of the three kinds of chutes is achieved through a magnetic block at the position of a notch of the gear and a magnetic strip on a plunger sleeve. The oil pumping frequency is adjusted through the high-speed cam and the low-speed cam on the driving shaft, and variable oil supplying under the multiple working conditions is achieved.

The invention discloses an automatic traction trash holding and guiding system. The system comprises an algae collecting device, a floating device, an unmanned ship and a remote control device. The unmanned ship comprises a ship body. A cover plate is arranged above the ship body; a bottom plate is arranged in a lower portion; a propeller mounting plate is fixedly mounted behind the ship body; thepropeller mounting plate is fixedly connected with a propeller; and the ship body is connected with a floating device, the floating device comprises a hose and a stainless steel bearing chain, the stainless steel bearing chain is fixedly connected to the lower portion of the hose, one end of the hose is connected with a bottom plate, and the other end of the hose is connected with the algae collecting device. The system is scientific, reasonable, safe and convenient to use, and beneficial to enlarging a working surface for collecting algae and improving algae feeding efficiency.

The invention relates to a membrane-free partially degradable left atrial appendage occluder, and belongs to the technical field of medical instruments. The occluder comprises an upper disc surface, a bracket body and a lower disc surface, a bracket body is arranged between the upper disc surface and the lower disc surface; the plugging device is cylindrical or drum-shaped; and the upper disc surface is of a closed structure. Due to the closed plug type design, the oppression of the plugging device on the peripheral structure tissue of the left auricle is reduced; complications caused by auricle puncture are reduced; and the requirement for the depth of the implanted left auricle is low, and the application range is wide. The occluder is woven with a dense net, the effect of blocking blood flow is achieved, a traditional flow blocking film is replaced, the occluder can pass through a smaller conveying sheath, and iatrogenic atrial septal defects are avoided. The degradable high polymer material is adopted, so that the metal implantation amount of the left auricle plugging device and the load on the heart of a patient are reduced. Through the design of the forming ring in the plugging device, the radial supporting force of the plugging device is enhanced, and the stability of the plugging device in the body is improved.

The invention relates to an oil gas recovery device. The oil gas recovery device comprises a water removal heat exchanger, a water separator and a condensate oil heat exchanger. The water removal heatexchanger comprises a first cooling medium conveying pipeline and an oil gas conveying pipeline which are located in the shell, the first cooling medium conveying pipeline and the oil gas conveying pipeline are provided with two sections of crossed parts, and the first cooling medium conveying pipeline and the oil gas conveying pipeline are provided with at least one part extending in parallel. Aheat conduction metal layer is arranged between the parallel extending parts, the bottom and the top of a shell part of the water separator are provided with at least two baffles which are verticallyarranged side by side and spaced by a certain distance, and the tops of the baffles are provided with arc-shaped structures bent in the oil-gas inlet direction. A second cooling medium is arranged inthe condensed oil heat exchanger. The oil gas recovery device is simple, and ice blockage can be prevented while oil gas recovery is guaranteed.

The invention discloses an oil baffle device for a side face sleeve transformer. The device is mainly used for the protection of transformer oil splashing and flowing after an explosion of the side face sleeve transformer, the device is arranged at a position of about 1.5-2 meters away from the outside of the side face sleeve transformer, the device comprises four components of a vertical movablefireproof oil baffle plate, a tilted movable fireproof oil baffle plate, a movable patrol door and a transformer explosion fire protection wall; the vertical movable fireproof oil baffle plate is supported by a prebuilt transformer fireproof wall or a newly-built transformer explosion fire protection wall; the tilted movable fireproof oil baffle plate is arranged at the two sides of a side face sleeve within a range larger than two meters; the movable patrol door is arranged on a patrol path or a fire fighting path which are located at the two sides of the transformer; and the transformer explosion fire protection wall is arranged at the two sides of an independent transformer or the two sides of two adjacent transformers.

The invention belongs to the technical field of cooking utensils, and particularly relates to a cooking device. The cooking device comprises a cavity, a waste water box and a communication pipeline, awater outlet is formed in the bottom of the cavity, the waste water box is arranged outside the cavity, a water inlet is formed in the waste water box, the water inlet is formed below the water outlet in the vertical direction, the communication pipeline is arranged between the water inlet and the water outlet in the vertical direction, and one end of the communication pipeline is connected withthe water outlet. The other end of the communication pipeline is connected with the water inlet. According to the cooking device, condensate water deposited at the bottom of the cavity can directly flow into the waste water box through the communication pipeline, so that the condensate water at the bottom of the cavity is removed, the condensate water is prevented from being deposited in the cavity for a long time, and meanwhile hot air flow in the cavity is prevented from flowing into the waste water box through the communication pipeline; the heat loss in the heating process is reduced, so that the heating efficiency is improved.