31 results about "Decompression tubes" patented technology

The invention discloses a blowout preventer facilitating fixation of an oil delivery tube. The blowout preventer facilitating fixation of the oil delivery tube comprises a shell, fixing plates and a first equipment box, wherein the fixing plates are arranged on two sides of the shell; the first equipment box is arranged above the fixing plates; a first through hole is formed in the shell; a sealing assembly and a driving piece for driving the sealing assembly to move are arranged in the first equipment box; a supporting seat is arranged on the bottom of the first equipment box; a decompressionopening is formed in the inner wall of the first through hole; a decompression tube which is matched with the decompression opening is arranged in the shell; a fixing assembly is further arranged onthe inner wall of the first through hole; by the fixing assembly, the oil delivery tube which is inserted in the blowout preventer is fixed; and the oil delivery tube is prevented from vibrating during oil delivering, a connection effect of the oil delivery tube and the blowout preventer is affected, the airtightness of the blowout preventer is improved, and blowout accidents are avoided.

The invention provides a novel nuclear-powered ship high-pressure steam automatic decompression device and method. The novel nuclear-powered ship high-pressure steam automatic decompression device comprises a decompression pipeline and a gas transmission pipeline, the input end of the decompression pipeline communicates with a steam master pipe, the output end of the decompression pipeline communicates with the gas transmission pipeline, the decompression pipeline is composed of two decompression branch pipes in parallel, a gas transmission pipe comprises a gas transmission main pipe and a plurality of gas transmission branch pipes, and the gas transmission branch pipes communicate with the gas transmission main pipe. The novel nuclear-powered ship high-pressure steam automatic decompression device and method can realize centralized decompression of high pressure steam, and after decompression, the high pressure steam can be transported to low pressure steam users such as a main air extractor.

The invention discloses an automatic adjusting pressure reducer. A regulating valve rod which can move in the axial direction in a reciprocating is arranged in a decompression tube, automatic resetting control is performed by using an elastic member, and a water inlet sealing control ring and a water outlet sealing control ring move by following the adjusting valve rod and the corresponding portions shield and open a water inlet hole and a water outlet hole to enable a water outlet pipe to flow out constant pressure water flow. The automatic adjusting pressure reducer has the advantages of simple structure, no need for additional power control and convenient use.

The invention relates to the technical field of biogas transportation, in particular to an early warning device for biogas transportation leakage. The upper surface of the transportation pipeline is provided with a ventilation chamber, and the surface of the transportation pipeline is fixedly connected with a protective part, and the surface of the protective part is fixedly connected to There is a support column, the upper end of the support column is slidably connected with an adjustment rod, the left and right sides of the adjustment rod are rotatably connected with a rotation rod, the upper end of the adjustment rod is movably connected with a telescopic column, and the outer surface of the telescopic column A telescopic spring is sleeved, and the telescopic column runs through the inside of the collection bag, the surface of the collection bag is fixedly connected with a connecting pipe, and the lower surface of the connecting pipe is fixedly connected with a ventilation pipe, and the ventilation pipe is located on the protective part The surface is fixedly connected with a pressure reducing pipe. Not only can it remind and repair in time, but it also protects the staff, avoiding major accidents caused by the staff being difficult to detect, and saving a lot of costs.

The invention relates to a crystal growth furnace body structure with emergency decompression arrangement. The lower opening of an upper furnace chamber covers the opening of the top plate of an isolaThe invention relates to a crystal growth furnace body structure with emergency decompression arrangement. The lower opening of an upper furnace chamber covers the opening of the top plate of an isolation chamber correspondingly, and three positioning rings which are convexly arranged at equal angles on the outside of the upper furnace chamber are respectively movably sheathed on three upward lugstion chamber correspondingly, and three positioning rings which are convexly arranged at equal angles on the outside of the upper furnace chamber are respectively movably sheathed on three upward lugs arranged on the top plate and can be guided to move up and down. If the air pressure in a crystal growth furnace formed by the closing of the upper furnace chamber and a bottom furnace cover is overharranged on the top plate and can be guided to move up and down. If the air pressure in a crystal growth furnace formed by the closing of the upper furnace chamber and a bottom furnace cover is overhigh, when the weight of the upper furnace chamber is upwardly overcome so as to lift the upper furnace chamber, the upper furnace chamber is slightly opened upwards along with the guiding of the upwarigh, when the weight of the upper furnace chamber is upwardly overcome so as to lift the upper furnace chamber, the upper furnace chamber is slightly opened upwards along with the guiding of the upward lugs by depending on the positioning ring so as to release the internal air instantly, subsequently, the upper furnace chamber drops again due to the own weight to cover the opening. If a cross decod lugs by depending on the positioning ring so as to release the internal air instantly, subsequently, the upper furnace chamber drops again due to the own weight to cover the opening. If a cross decompression tube is added on the upper furnace chamber, low pressure can be moderately released, therefore the structure has the function of duel decompressing protection and can fully prevent the occurmpression tube is added on the upper furnace chamber, low pressure can be moderately released, therefore the structure has the function of duel decompressing protection and can fully prevent the occurrence of industrial safety accident of furnace body explosion.rence of industrial safety accident of furnace body explosion.

The invention discloses a fistulization decompression tube for biliopancreatic supporting drainage jejunum. The tube is formed by a porous pancreiatic duct supporting drainage arm, two porous biliary duct supporting drainage arms and a porous jejunum fistulization decompression tube, wherein the two porous biliary duct supporting drainage arms are connected together in a Y shape; connection parts between the porous jejunum fistulization decompression tube are vertically connected with each other; a plurality of side holes are formed in the porous jejunum fistulization decompression tube; the porous pancreiatic duct supporting drainage arm extends into the porous jejunum fistulization decompression tube via the side holes; the middle section of the porous jejunum fistulization decompression tube is provided with a mushroom head-shaped expanding part; bile drainage can be facilitated by the left and right biliary duct supporting drainage arms; the pancreiatic duct position can be adjusted via different side holes based on individual differences of patients; the expansion design of the middle section of the jejunum fistulization decompression tube prevents fistulization postoperative complications due to duct leakage; the interior of the biliopancreatic drainage tube is evenly made from degradable material, so possibilities of infection, stone and obstruction due to long term arrangement can be reduced; and secondary operation is avoided.

The invention discloses a multi-layer composite wear-resistant pressure reduction pipe and a manufacturing method of the multi-layer composite wear-resistant pressure reduction pipe. The multi-layer composite wear-resistant pressure reduction pipe is sequentially formed by a wear-resistant ceramic inner layer, a micro-expansion combination layer and a metal outer layer from inside to outside in a composite mode. The multi-layer composite wear-resistant pressure reduction pipe sequentially comprises a diameter reduction section, a straight pipe section and a diameter increasing section from the inlet end to the outlet end, and the portion, located at the inlet end, of the metal outer layer and the portion, located at the outlet end, of the metal outer layer are provided with an inlet connecting flange and an outlet connecting flange respectively. The wear-resistant ceramic inner layer, the combination layer and the metal outer layer are seamlessly combined, integrality of the product is embodied, and the phenomenon that the inner layer and the outer layer are loosened can not occur. The ceramic layer can be made of zirconia toughened alumina ceramic, and excellent durability of the product is achieved due to the rigidity and wear resistance of the product. The inner layer ceramic material, the combination layer and the outer layer metal material are firmly combined together due to the micro-expansion combination layer through the adhering action and the micro-expansion action. The multi-layer composite wear-resistant pressure reduction pipe can be of a multi-section combination structure, and therefore a pipeline can be conveniently manufactured, and machining accuracy of the pipeline is improved.

A bridge for facilitating delivery of reduced pressure to a wound site includes: a reduced pressure lumen configured to be fluidly coupled to a source of reduced pressure; a secondary pressure lumen configured to be fluidly coupled to the secondary pressure source; and One or more fluid adapters are operably connected to a wound dressing positioned at the wound site. One or more fluid adapters are positioned and configured relative to the reduced pressure lumen to apply reduced pressure from the reduced pressure lumen to the wound site through the wound dressing and to deliver osmotic fluid removed from the wound site through the reduced pressure lumen to the reduced pressure tube. out. The secondary pressure lumen is fluidly coupled to the reduced pressure lumen to facilitate flow of exudate removed from the wound site through the reduced pressure source using the secondary pressure source.

The invention relates to the technical field of tissue suction tubes, and particularly relates to a pressure-reducing type uterine cavity tissue suction tube and a using method thereof. The technical problems that a suction tube is prone to deformation and inconvenient to grasp, the suction tube cannot be matched with an endoscope for safe use, and a pressure-reducing tube is prone to blockage, so that dirty blood splashing and airflow reverse flushing are caused are solved. In order to solve the technical problems, the pressure-reducing type uterine cavity tissue suction tube is composed of a tissue suction mechanism, a holding mechanism and an anti-splashing mechanism. A sleeve is additionally arranged in a pressure-reducing cavity of a suction tube body, so that the suction tube body keeps good rigidity within a certain length; through two anti-skid handles clamped by a first clamping ring and a second clamping ring on the outer wall of the suction tube body, an operator can grasp the anti-skid handles to control the suction tube body to move at will, so that the operability of the suction tube body is improved; and the clamped anti-skid handles are convenient to disassemble, disinfect and reuse, so that the cost of medical instruments is reduced.

The invention discloses an otology detacher. The otology detacher comprises a tube body having a length of 15 to 20cm, the tube body is provided with an attraction head, which is close to one side, the attraction head has triangle structure and the attraction head is provided with a guide tube inside, the attraction head is connected with the tube body in a flexible mode through the guide tube, a decompression tube is mounted at the side of the attraction head, the lower surface of the tube body is provided with an adjusting sliding tube being close to one side, the lower surface of the tube body is provided with an inner sliding groove, the top of the adjusting sliding tube is located in the inner sliding groove, the side of the adjusting sliding tube is provided with a slide way, the slide way is made of the metal. The otology detacher has good adjusting performance, the operator can quickly turn the direction of the attraction head for conveniently and effectively attracting the inner wall of the auditory meatus, and certain pressure can be injected, the use is safe and the protection effect is good.

The invention relates to the technical field of medical instruments, in particular relates to a stomach tube used for the department of gastroenterology. The stomach tube comprises a stomach tube body. The stomach tube comprises a feeding main tube. The inner wall of one side of the feeding main tube is provided with a balloon-type decompression tube. The balloon-type decompression tube is made of double layer tubes, and an air cavity is formed between the double layer tubes. A tube orifice, stanching out of the feeding main tube, of the balloon-type decompression tube is provided with a chuck. An air inlet is formed in the upper portion of the balloon-type decompression tube, the air inlet is connected with a balloon arranged at the top of one side of the feeding main tube, and a through hole C is formed in the bottom of the balloon-type decompression tube. Protruding heads are arranged at the left side and the right side of the upper portion of the feeding main tube oppositely, grooves with threads are formed in the outer sides of the protruding heads, and clamping devices are arranged on the protruding heads. According to the stomach tube used for the department of gastroenterology, the structure is simple, installation is convenient, when air inflation is conducted on the balloon-type decompression tube, a large-diameter decompression tube is formed, when the air in the decompression tube is exhausted, the diameter of the feeding main tube cannot be influenced, using by a patient is convenient, and working efficiency is improved.

The invention provides a untwisted tube member and a connector device having the same. The first untwisted tube member (40A) (a second untwisted tube member (40B)) is arranged on a connector device (10) which connects the yarn ends of a pair of yarns; the first untwisted tube member uses an inner circumference surface (41,43a) of the untwisted tubes (41,43) which are axially connected to form an untwisted air flow path for loosening the twisting of the yarn end.

The invention discloses a multifunctional gastrointestinal decompression pipe. The multifunctional gastrointestinal decompression pipe comprises a decompression pipe body which comprises a decompression pipe, decompression holes, a nasogastric feeding tube and a negative pressure device, wherein the negative device is connected to one end of the decompression pipe, a plurality of decompression hole groups are formed in the other end of the decompression pipe along the length direction, and each decompression hole group comprises at least five decompression holes; the nasogastric feeding tube is arranged on one side of the decompression pipe; an anti-blocking assembly is arranged in the decompression pipe; and a flow guiding plate is arranged on one side of the decompression hole, miniatureelastic balls are arranged between the flow guiding plate and the decompression holes, the flow guiding pipe is arranged in the pipe wall of the decompression pipe and is communicated to two adjacentdecompression holes in the same plane, and a plurality of flow guiding holes are uniformly formed in the flow guiding pipe along the length direction and are communicated to the side walls of the decompression holes through a guide pipe. According to the multifunctional gastrointestinal decompression pipe, a negative pressure process is relatively smooth, so that blockage is avoided.

Provided are a substrate processing device and a substrate processing method. The substrate processing apparatus includes: a chamber, a substrate support member provided in the chamber for supporting a substrate, a spray member for supplying a rinse liquid to the substrate, a decompression line for decompressing the chamber, and a controller that controls After supplying the flushing liquid, the chamber is depressurized through the decompression line to vaporize the flushing liquid.