31results about How to "Fast pressurization" patented technology

The present invention relates to composite structured adsorbents and methods of use therefor. The invention more particularly relates to composite structured adsorbents that can include a multi-channel framework (e.g., monoliths), the channels of the multi-channel framework containing adsorbent beads particles therein, with a channel-to-particle diameter ratio in the range of 1 to 10, more preferably 1 to 7 and even more preferably 1 to 5. In the case of non-spherical particles, the hydraulic diameter is used in the calculation of the channel-to-particle diameter. The composite structured adsorbents of the present invention can be used in various industrial applications, for example in pressure swing adsorption (PSA) or vacuum pressure swing adsorption (VPSA) processes to produce O₂ from air.

The present invention relates to a bidirectional pressing hydraulic machine intelligent hydraulic control system. Said system includes upper main cylinder, lower main cylinder, valve group, oil line, oil pump and oil tank. The described valve group includes upper and lower main cylinder proportion pump group, upper and lower main cylinder pump outlet valve group, supporting valve group, upper and lower main cylinder control valve group, conversion valve group, upper and lower main cylinder unloading valve group, communication valve group and unloading valve group.

The invention discloses touch tool full-automatic braze welding equipment. The touch tool full-automatic braze welding equipment is characterized in that a welding mechanism is arranged on a table, corresponding executing mechanisms are arranged around the welding mechanism, that is, the touch tool feeding mechanism is arranged on a first station, the soldering lug feeding mechanism is arranged ona second station, the touch spot feeding mechanism is arranged on a third station, and the discharging mechanical hand and a material box are arranged on a fourth station; the welding mechanism comprises a portal type U-shaped frame, the upper portion of the U-shaped frame is provided with a pressing unit, and an upper electrode assembly is arranged on the lower portion of the pressing unit; andthe lower portion of the U-shaped frame is provided with a suspension supporting unit. According to the touch tool full-automatic braze welding equipment, through a four-stage heating mechanism, a four-stage flexible pressurizing mechanism, a seamless pressurizing fitting mechanism and an automatic feeding mechanism, full-automatic braze welding of a touch tool and a touch spot is achieved, the welding quality is stable, the working efficiency is high, and the equipment cost is low.

A digital pressurization compound terminal 10 comprising a high accuracy digital pressure gauge 11 sheltered in a silicon housing, main body 13 made of a high-resistance allow and dimensioned to be held in the palm of the user's hand, o-ring 12, control or HP valves 14, ring 15, regulator assembly valve 16, equipped piston 17, second o-ring 18, inferior body and handle 19, third o-ring 20, male quick coupling 21, screw 22, regulator setting wheel 23, purging female quick coupling 24, service female quik coupling 25 and on-off switch 26.

The invention discloses a production technology for preparing boehmite microcrystalline powder, and belongs to the field of ceramic materials. A high-pressure hydrothermal kettle is used, and cheap industrial alumina trihydrate with thick raw crystal (D50 is about 13 microns) is used as a raw material, and the boehmite microcrystalline powder is prepared through heating and pressurization with water vapor. The production technology comprises the following specific steps: firstly, slurrying the industrial alumina trihydrate powder with distilled water, and pouring into the high-pressure hydrothermal kettle with a stirring function, wherein the stirrer is always in a working state during a reaction; then, introducing the water vapor for heating and pressurization, preserving the pressure after a certain pressure is reached to obtain boehmite slurry; finally, naturally performing air cooling on the obtained slurry to room temperature, and then repeatedly performing suction filtration withdistilled water for washing till filtrate is neutral, and drying to obtain the boehmite microcrystalline powder which has small particle size (D50 is 2.97 microns) and diamond-shaped and uniformly distributed particles.

A digital pressurization compound terminal 10 comprising a high accuracy digital pressure gauge 11 sheltered in a silicon housing, main body 13 made of a high-resistance allow and dimensioned to be held in the palm of the user's hand, o-ring 12, control or HP valves 14, ring 15, regulator assembly valve 16, equipped piston 17, second o-ring 18, inferior body and handle 19, third o-ring 20, male quick coupling 21, screw 22, regulator setting wheel 23, purging female quick coupling 24, service female quik coupling 25 and on-off switch 26.

The invention discloses a pneumatic servo system for a grinder. The system comprises a controller, a sampling module and an air cylinder, wherein the sampling module comprises a pressure sensor, a pulling force sensor and an in-position sensor; the air cylinder comprises an upper air cylinder and a lower air cylinder; the pressure sensor is used for detecting the pressure of an upper grinding disk to workpieces; the pulling force sensor is used for detecting the pulling force of the cylinder to the upper grinding disk; the in-position sensor is used for detecting the in-position information of the upper grinding disk; according to a pressure signal detected by the pressure sensor and a pulling force signal detected by the pulling force sensor, the controller outputs a control signal to control the air pressure of the upper cylinder and the air pressure of the lower cylinder and the pulling force of the upper grinding disk, so as to control the upper grinding disk to rise or fall, and the pressure of the upper grinding disk to the workpieces is controlled according to a preset working procedure. Through the adoption of the system, the upper grinding disk is raised and fallen smoothly, the pressurization is stable, the precision is high, the rate of finished products of the workpieces is effectively increased, and the damage ratio of the workpieces is decreased.

The invention discloses a three-stage pressure control method for a plane grinding machine. The three-stage pressure control method includes the pressurization process and the depressurization process. A target pressure value, a pressure upper limit value, a pressure lower limit value, a first stepping pressure value, a second stepping pressure value and a third stepping pressure value are preset, the three-stage pressurization and depressurization mode is adopted, and pressurization is conducted through large stepping pressure at the beginning so that the pressure can rapidly reach the pressure upper limit value; pressurization is then conducted through the slightly smaller stepping pressure, the speed is decreased, and the pressure reaches the pressure lower limit value; and finally, pressurization is conducted through the smallest stepping pressure, and the pressure slowly reaches the set value of the pressure at a constant speed. The depressurization process is the inverse process of the pressurization process. By means of the pressurization and depressurization mode, the pressurization speed can be high; meanwhile, the pressurization accuracy is high, uniformity is high, the unbalanced pressure on workpieces is reduced, and the yield is increased; and the three-stage pressurization process is further divided into the pressurization achieved through the small stepping pressure and the slow pressurization, and therefore the excessively-large pressure and low accuracy are avoided.

The invention discloses an automatic gastrointestinal decompression device. The device comprises a device base, wherein a liquid treatment tank base, a gas treatment tank base and a buffer tank base are arranged on the device base; a negative pressure pumping rack is arranged on one side of the device base; a negative pressure pumping machine is arranged on the negative pressure pumping rack; a first connector is arranged on one side of the liquid treatment tank base; a liquid treatment tank is arranged on the liquid treatment tank base; a liquid outlet connector is arranged on one side of thenegative pressure pumping machine; a pumping connector is arranged on the other side of the negative pressure pumping machine; a first pipeline is arranged between the liquid outlet connector and thefirst connector; at least one extension pipe is arranged on one side of the pumping connector according to the length; a valve section is arranged at one end of each extension pipe; a flow valve is arranged on each valve section; an insertion pipe is arranged at one end of each valve section; a gas treatment tank is arranged on the gas treatment tank base; and a buffer tank is arranged on the buffer tank base. Accordingly, medical staff can adjust different demand conditions of patients conveniently, when the gastric pressure of the patients is too large, the pressurization speed can be increased, and the burden of the patients is relieved.

The invention relates to the technical field of liquid spray guns, and discloses a water gun fixedly provided with a water storage tank. The water gun comprises a water gun shell, the water storage tank, a nozzle, a control water valve and an air charging device. The control water valve comprises a trigger, a flexible water bag is arranged in the water storage tank, and the water storage tank is provided with a water inlet, a water outlet, an air inlet and an air outlet. The water inlet and the air outlet of the water storage tank are exposed to the water gun shell, the water bag is provided with a water inlet bag mouth and a water outlet bag mouth, and the water inlet bag mouth communicates with the water inlet in a sealed manner. The water outlet bag mouth communicates with the water outlet in a sealed manner, the water inlet is covered with a water opening cover, and the air outlet is covered with an air opening cover. The water outlet communicates with the control water valve in asealed manner, the control water valve communicates with the nozzle in a sealed manner, and the air inlet communicates with the air charging device in a sealed manner. The shooting angle of the watergun is not limited, water in the water bag is nearly all sprayed out, and the water adding frequency of a player can be reduced during one game.

The invention discloses an underground pressure release valve and a hydraulic shaping pipe column. The underground pressure release valve comprises an outer sleeve, a valve seat, a valve element and apiston connecting piece, wherein a liquid outlet hole is formed in the outer sleeve, the valve seat is fixed in the outer sleeve and is in sealing fit with the outer sleeve, a pressurizing channel and a pressure release channel are formed in the valve seat, the piston connecting piece can move downwards along with a piston of a hydraulic booster when pressurizing the interior of the outer sleeve,a transmission relation is established between the piston connecting piece and the valve element when the piston connecting piece moves downwards by a certain distance, and the valve element is disengaged from the valve seat to communicate the pressure relief channel. According to the underground pressure release valve, when the piston connecting piece descends to a certain position, the valve element can be automatically driven to be disengaged from the valve seat, the pressure release channel is connected, then the hydraulic shaping column automatically releases pressure, the whole pressurerelease process is conducted underground, frequent pressure rising and releasing on the ground manually are not needed, the pressure release speed is high, the process is safe and reliable, manpowerand material resources can be saved, and pipe column shaping efficiency can be improved.

The invention relates to the field of wet-type magnetic material molding, in particular to a servo control system device applied to wet-type magnetic material molding. The servo control system device applied to wet-type magnetic material molding is simple and ingenious in design, time and labor are saved, system valve pipes are simple in structure, operation is safe and reliable, switching operation between the high speed and the low speed can be achieved, and the requirements of a high-requirement product production standard can be met.

The invention relates to the technical field of mini air pumps, in particular to a flat annular mini air pump of a small sphygmomanometer. The flat annular mini air pump comprises a motor, a connecting plate, a first annular body and a second annular body. The motor is connected with the connecting plate, and the connecting plate is connected with the first annular body and the second annular body. The integral structure of the mini air pump is flat, and usage and storage of an ultra-thin arm type electronic sphygmomanometer are facilitated. Two sets of cylinders can be finish pressurizing through one-circle rotation of the motor, the pressurizing amount is large, and the pressurizing speed is high.

The invention discloses a method for detecting the content of starch in tobacco, which belongs to the technical field of tobacco detection and adopts a starch detection device for tobacco for detection. The starch detection device for tobacco comprises a case, a lifting device arranged in the case, and a pressurizing device, a first clamping device, a collecting drawer and a second clamping device which are sequentially arranged on the case from top to bottom, in the detection process, the pressurizing device is controlled through the lifting device, the sintered glass sand core funnel and the volumetric flask are fixed through the first clamping device and the second clamping device respectively, waste liquid is collected through the collecting drawer, then separation and collection of tobacco leaf powder and a liquid reagent in the sintered glass sand core funnel are completed in a matched mode, and the starch content of the collected liquid is measured through a colorimetric method. The method for detecting the starch content in the tobacco is rapid in detection, one detector can treat a plurality of samples at the same time, and the detection effect is remarkably improved.

The invention provides a valve load simulation device with a movablevalve rod. The simulation device comprises a pressure-bearing chamber, a hydraulic device and a pressure sensor, and is characterized in that the pressure-bearing chamber is connected with the hydraulic device and a to-be-tested test valve body, the test valve body is located above the pressure-bearing chamber, and the hydraulic device injects pressurized liquid into the pressure-bearing chamber; and a hole is formed in the gas cavity of the test valve body, a pressure sensor and a valve rod are installed in the hole, and the valve rod moves under the action of a driving device. The device is simple in structure, low in cost, high in safety and capable of achieving large-range load adjustment of the valve rod of the valve and rapidly forming the test capacity.

The invention discloses a multifunctional safety valve capable of being used for a pressure test. The multifunctional safety valve comprises a valve body. A valve element is arranged in the valve body. An air inlet channel is arranged at the lower end of the valve element. An exhaust channel is arranged on one side wall of the valve body. One end of the exhaust channel is connected to the valve element. A through hole is formed in the side wall of the valve body and located in the bottom of the valve body. The through hole communicates with the air inlet channel. According to the multifunctional safety valve, the hole is formed in the safety valve, direct connection of the safety valve and pressurized equipment is achieved, the test time of the safety valve is shortened, the input cost of enterprises is reduced, and the structure of the safety valve is changed, so that the safety valve not only has the conventional functions, but also has the off-line quick detection function.