231results about How to "Stable outlet pressure" patented technology

The invention discloses a pressure regulating device and a pressure regulator thereof. The pressure regulating device comprises a membrane cavity and a magnetic module. The membrane cavity comprises a flexible membrane (11), a rigid membrane (12), a membrane shaft (13) fixedly connected with the flexible membrane (11) and the rigid membrane (12), a pressure regulating spring seat (14) and a pressure regulating spring (15). One end of the pressure regulating spring (15) is sleeved on the pressure regulating spring seat (14), and the other end of the pressure regulating spring (15) is butted against the rigid membrane (12). The magnetic module comprises a pair of magnetic parts (21 and 22) subjected to magnetic force. The magnetic parts (21 and 22) and the pressure regulating spring (15) are arranged on the same axis (18) in a linkage manner. The pressure regulating device and the pressure regulator thereof has the advantages of short balance cycle, stable outlet pressure, low closing pressure, safety, quickness and stability.

The invention discloses an intelligent full-flow-point full-automatic water meter calibration apparatus, comprising a water pipeline system and a water meter fixture; a water tank (11) of the water pipeline system is communicated sequentially with a water pump (12), a filter (13) and a main water supply pipe (14), the main water supply pipe (14) being communicated with a total outflow pipe; a branch inflow pipe (21), a piston hydraulic meter and a branch outflow pipe (22) are parallelly connected with the main water supply pipe (14); an outlet of the total outflow pipe is communicated respectively with an inlet of a high-precision outflow pipe (16), an inlet of a low-precision outflow pipe (17) and an inlet of a relief outflow pipe (18), and an outlet of the high-precision outflow pipe (16) is communicated with the water tank (11) through an inverted U-shaped pipe (28); the low-precision outflow pipe (17) is communicated with an inlet of a divider (30) through an L-shaped pipe (29), a first outlet of the divider (30) is communicated with a measuring tube (19), and the measuring tube (19) is rested on a scale (20). The intelligent full-flow-point full-automatic water meter calibration apparatus is suitable for household and public precision water meters.

The invention provides a radial oxygen production adsorption tower, belongs to the technical field of mechanical equipment, and solves the technical problems of too small height-diameter ratio, too large occupied floor space, non-uniform adsorption and the like in the prior art. The oxygen production adsorption tower comprises a cylindrical tower body, an gas inlet assembly disposed at the bottom of the tower body, an gas outlet assembly disposed at the top of the adsorption assembly, an adsorption assembly disposed in the tower body and a circular gas transportation cavity formed between the inner wall of the tower body and the outer wall of the adsorption wall, wherein the gas inlet assembly is provided with a circular gas vent disposed at the periphery of the lower end of the adsorption assembly; the circular gas vent is communicated with the gas transportation cavity; a gas flow can be transported to the adsorption assembly radially by the gas transportation cavity; two ends of the adsorption assembly are sealed; the center of the adsorption assembly is provided with a gas collection channel for collecting finished product oxygen; the lower end of the gas collection channel is sealed; and the upper end of the gas collection channel is communicated with the gas outlet assembly. The radial oxygen production adsorption tower has the advantages of uniform adsorption, high adsorption efficiency, small occupied floor space, large-scale designability, etc.

The invention discloses an air supply pipeline for inspiration. An opening in the internal hole direction of the air supply pipeline is formed in a pipe wall of the air supply pipeline; the pipe wallis made of rigid materials; the parts, on the two sides of the opening, of the pipe wall are separated by a distance; the part, on one side of the opening, of the pipe wall is fixedly connected with asealing strip; and the other side of the sealing strip is movably connected with the part, on the other side of the opening, of the pipe wall.

The invention discloses a plate type evaporating apparatus with a steam heat pump, which comprises the steam heat pump, an evaporator and a separator, wherein the two input ends of the steam heat pump are respectively connected to a high-pressure driving steam inlet and a low-pressure driving steam inlet; the output end of the separator is connected with the steam heat pump through the low-pressure driving steam inlet; and the output outlet of the steam heat pump is connected with the evaporator or a pre-heater. The plate type evaporating apparatus has the following advantages that: (1) the energy-saving efficiency is high and the production cost is low; (2) the structure of the steam heat pump is very simple, because the steam heat pump is only internally provided with one nozzle and a rotating part is not required, the service life is long, and the running is reliable; (3) the apparatus is convenient to use and operate simply, an adjusting device is not required to be arranged if technical parameters are relatively stable, the apparatus is used according to designed parameters, and an automatic adjusting device can be additionally arranged to ensure the stability of outlet pressure of the apparatus; (4) the structure is compact, and the apparatus is convenient to mount; and (5) a silencer can be additionally arranged to reduce noise and meet the requirement of environmental protection.

The invention relates to a liquid-gas state converter of carbon dioxide/nitrogen and a conversion system. The converter comprises a casing. Liquid inlet pipes and gas exhaust pipes are arranged; a heat exchange device is arranged in the casing; a heater is arranged below the heat exchange device; a heating pipe of the heater is located below the heat exchange device; the conversion system comprises a plurality of converters; the liquid inlet pipes of the plurality of the converters are connected with one conveying pipe; the gas exhaust pipes of the plurality of the converters are connected with a conveying pipe; each converter is provided with a monitoring cabinet; and the monitoring cabinets can monitor the working conditions and the working parameters of the converters and automatically control and regulate the operation of the converters according to the detected working parameters. According to the converter and the conversion system, the heat energy loss is small, the heat efficiency is high, and the energy-saving effect is good; and the conversion system can realize automatic segmentation control and regulation according to the operation state of the system and can also realize automatic control of all parameters of output gaseous carbon dioxide/ nitrogen. The converter and the conversion system are mainly applicable to fire prevention and extinguishing under mines.

The invention relates to a valve body of a gas-pressure regulator capable of reducing noises, comprising an inlet and an outlet. The caliber of the inlet is less than that of the outlet. In the invention, the caliber of the inlet is less than that of the outlet, which facilitates improving the situation that local gas disorder occurs at the outlet after a barometric pressure of the outlet reduces, so as to stabilize the pressure of the outlet and prevent the generation of noises.

The invention discloses an air compressor system control method based on data driving. The air compressor system control method comprises the following steps of S1) collecting input parameters and output responses of each air compressor unit and a matched drying unit in an air compressor system; S2) establishing an optimal system prediction model by applying an RNN-based LSTM deep neural network algorithm and combining a genetic algorithm; and S3) predicting the air consumption at the next moment through an LSTM-GA prediction model, and giving an optimal control output strategy in advance. According to the air compressor system control method based on data driving, on the premise that the air supply requirement is met, human intervention is reduced, it is guaranteed that the air outlet pressure is stable, the overall energy efficiency of the system is improved to the maximum degree, and the purpose of saving energy is achieved.

The invention provides a centralized pressure supplying method of hydraulic stations to overcome the defects that in traditional large and medium machining factories, the effective utilization rate of hydraulic stations is low, and waste of electric energy is serious. The method comprises the following steps that A, when machine tools including the hydraulic stations work with the full load, the needed maximum flow and the needed maximum pressure are counted, and the accumulated values of the maximum flow and the maximum pressure are calculated respectively; B, 20%-30% of the maximum flow accumulated value and 20%-30% of the maximum pressure accumulated value are taken as the rated flow value and the rated pressure value of a new hydraulic station; C, a pressure oil pipe and an oil return pipe are connected to the new hydraulic station, and terminal valve sets of all the machine tools are connected to the pressure oil pipe and the oil return pipe in parallel; and D, pressure is supplied to the pressure oil pipe through the new hydraulic station, the terminal valve set, corresponding to the machine tool, on the pressure oil pipe is opened according to the specific working machine tool, hydraulic branches corresponding to the machine tools need pressure maintaining by adjusting the terminal valve sets, and the terminal valve sets corresponding to the machine tools are closed when the machine tools do not work.

The invention provides an anti-smog handrail. The anti-smog handrail employs an air supply pipeline. The pipe wall of the air supply pipeline is provided with an opening along the length direction ofthe pipeline; both sides of the opening are respectively connected to a chain belt I and a chain belt II; one side edge of the chain belt I is provided with arrayed chain teeth I; one side edge of thechain belt II is provided with arrayed chain teeth II; a ventilation sliding block device is disposed on a joint between the chain belt I and the chain belt II; the ventilation sliding block device can slide on the chain belt I and the chain belt II; the structure of the ventilation sliding block device includes two guiding mouths, a bottom plate, a cover plate and inner core bodies; the bottom plate is connected to the cover plate through the inner core bodies; a gap is disposed between the bottom plate and the cover plate; in the outer sides of the guiding mouths of the ventilation slidingblock device, the chain teeth I of the chain belt I are meshed with the chain teeth II of the chain belt II; the chain teeth I and the chain teeth II located inside the ventilation sliding block device are opened by the inner core bodies; and the bottom plate or the cover plate of the ventilation sliding block device inside the air supply pipeline is provided with an air outlet hole.

Provided is a building. The building is provided with an air supply pipeline. The pipe wall of the air supply pipeline is provided with a line-shaped opening, and is all or partially made of an elastic material. The pipe walls on the two sides of the opening are separated and spaced by a distance, or the pipe walls on the two sides of the opening can be separated and opened, or the opening is closed and can be opened. The pipe walls are connected with magnetic sealing bars or connected with sealing bars with ferromagnetism. The sealing bar seals the openings through magnetic attraction, and the air supply pipeline can provide air meeting the breathing demand.

Provided is a gas supplying pipeline. The pipe wall of the gas supplying pipeline is provided with a linear opening in the hole direction of the gas supplying pipeline; the pipe wall is fully or partially made of an elastic material; and according to the opening, a plurality of persons can get close to the opening to directly inhale with the mouths at the same time, or gas passing pipes are used and are inserted into the opening for inhaling.

The invention discloses a gas supply pipeline. According to the technical scheme, the pipe wall of the gas supply pipeline is provided with a linear opening in the direction of an internal hole of thegas supply pipeline, all or part of the pipe wall is made of an elastic material, the pipe wall at one side of the opening is fixedly connected with a sealing strip, the other side of the sealing strip is movably connected with the pipe wall at the other side of the opening, and the sealing strip can be moved to open the opening.

The invention discloses an air supply pipe. The pipe wall of the air supply pipe is provided with a linear opening, wherein the linear opening is formed in the extension direction of the air supply pipe. Pipe wall bodies at the two sides of the opening are closed to form a rupture gap and can be opened. The opening can contain multiple ventilating pipes at the same time and allow the ventilating pipes to move therein. When the air supply pipe is not subjected to external force, the pipe wall bodies at the two sides of the rupture gap are in the closed state, or the pipe wall bodies at the twosides of the rupture gap are in the staggered overlapping state. The pipe wall is wholly or partly made of an elastic material. The pipe wall body at one side of the opening is fixedly connected witha seal strip, and the other edge of the seal strip is movably overlapped with the pipe wall body at the other side of the opening. The seal strip can be moved to open the opening.

A gas supply system, including a breathing air source, the gas supply system also includes a gas supply pipeline, the gas supply pipeline is connected to the breathing air source, the wall of the gas supply pipeline is provided with linear openings, The pipe wall on one side of the above-mentioned opening is directly or through a chain belt connected with an array of chain teeth I, and the pipe wall on the other side of the above-mentioned opening is directly or through a chain belt connected with an array of chain teeth II, and the above-mentioned chain teeth I and chain teeth II can be closed together or separated open.

The invention provides a membrane type sealing gravity compressed air energy storage system and method. The energy storage system comprises a closed air cavity, a communicating pipeline, a multi-stage compressor unit and an air expansion unit, wherein the multi-stage compressor unit and the air expansion unit are connected in series. A flexible sealing film is installed in the middle of the inner wall of the closed air cavity in a sealed mode and divides the closed air cavity into an upper air cavity and a lower air cavity, and the upper portion of the flexible sealing film is filled with gravity liquid. The two ends of the communicating pipeline are connected with the upper air cavity and the lower air cavity respectively, and a valve is arranged on the communicating pipeline; the multi-stage compressor units connected in series are connected with the lower air cavity through energy storage pipelines, and middle-stage air suction ports of the multi-stage compressor units connected in series are connected with the upper air cavity through air suction pipelines. The air expansion unit is connected with the lower air cavity through an energy release pipeline. Constant pressure of the air storage device in the inflation and deflation process can be achieved, stability of the outlet pressure of the air compressor and the air inlet pressure of the air expansion machine is guaranteed, then the operation efficiency of the air compressor and the expansion machine is improved, and the energy storage efficiency of the system is improved.

The invention discloses a curing device for a spraying production line. The curing device comprises an air supply pipe (1), a centrifugal blower (2) and a heating device (3). The air supply pipe comprises a first pipeline (4), a second pipeline (5) and a third pipeline (6) which are sequentially connected. The first pipeline is perpendicular to the second pipeline. The third pipeline is obliquelyarranged relative to the second pipeline. A plurality of first flow deflectors (7) are arranged in the first pipeline. A plurality of second flow deflectors (8) are arranged in the second pipeline. The curing device is characterized in that the downstream ends of the second flow deflectors are located on the same arc line, and the heating device is of a cylindrical structure and is located in thesecond pipeline; and the third pipeline comprises a first side plate (61), a second side plate (62), a third flow deflector (63) and a fourth flow deflector (64), and a gap g is formed between the third flow deflector and the fourth flow deflector. According to the curing device, heated airflow is ensured to have large flow, the flow loss of the third pipeline is reduced, the heated airflow near the first side plate and the second side plate can be rectified, the outlet pressure is stable while the airflow is homogenized, and the pressure loss is reduced.