11results about How to "Low operating pressure" patented technology

This invention provides a double-layer adsorption high-pressure hydrogen storage tank system and method, relating to the field of gas storage tank technology. Addressing the problem that current hydrogen storage systems using single-layer structures cannot meet demand, this invention configures a hydrogen storage tank with a double-layer structure. Different types of adsorption materials are filled between the inner and outer tanks, and within the inner tank, respectively. This allows for relatively independent temperature and pressure control, thereby achieving synergistic optimization of hydrogen storage performance, increasing hydrogen storage density, and reducing the operating pressure of the hydrogen storage tank, thus improving the safety and economy of the hydrogen storage system.

This invention discloses a pressure regulating valve and a method for regulating the pressure of a coke oven carbonization chamber. The valve includes a single-adjustment regulating valve comprising: a shell with a through-hole channel running vertically through it, one end of which is connected to the output port of a bridge pipe, and the other end of which is equipped with a water seal valve; a valve plate with a rotating shaft on one side, the valve plate being rotatably disposed within the channel, the rotating shaft being used to control the opening and closing degree of the valve plate; and an adjusting component including an adjusting gear and a driving component. The adjusting gear is sleeved on the rotating shaft to drive the rotating shaft to rotate. The adjusting gear has a first locking tooth and a second locking tooth arranged around its center, the number of teeth in the first locking tooth being greater than the number of teeth in the second locking tooth. The driving component includes a driving gear, the driving gear meshing with the first locking tooth and the second locking tooth respectively.

The invention discloses an abdominal cavity operation puncture outfit which comprises a puncture outfit body and further comprises two arc-shaped fixing plates, and the two arc-shaped fixing plates are symmetrically distributed on the two sides of the puncture outfit body. The pedal is treaded by feet, air in the arc-shaped groove is extracted through the air extraction assembly, so that the arc-shaped fixing plates suck the abdominal skin of a patient, the abdominal skin of the patient can be driven to move upwards to cater to the puncture outfit body by pulling the handle with the hand, and meanwhile an operator presses the pressing plate and drives the two arc-shaped fixing plates to deflect and open through the auxiliary assembly. Meanwhile, a puncture opening of the patient is dragged and exposed, so that puncture operation of an operator is facilitated, meanwhile, the linkage assembly is used for driving the two arc-shaped plates to be closed to form a guide channel to guide the puncture outfit body, and then the puncture precision is improved; therefore, the distance between the abdominal skin and the viscera of the patient is increased, the puncture risk is reduced, and meanwhile the operation pressure of medical staff is reduced.

This invention belongs to the field of wet electronic chemical purification, specifically relating to a membrane chromatography filter membrane for removing charged ions from liquids and its preparation method, including the following steps: S1, preparing casting solutions: preparing positively charged layer casting solutions, neutral layer casting solutions, and negatively charged layer casting solutions separately; S2, using a three-layer die to sequentially extrude the positively charged layer casting solutions, neutral layer casting solutions, and negatively charged layer casting solutions onto a polyester film; S3, exposing the casting solutions under set temperature, humidity, and airflow conditions to allow for initial phase separation; S4, immersing the coated film in a pure water coagulation bath to complete phase separation and solidification; S5, rinsing, drying, and then winding to obtain the membrane chromatography filter membrane. By designing a special three-layer composite structure with a "positively charged layer-neutral layer-negative layer," the filter membrane can simultaneously adsorb anions and cations in the solution during a single filtration process, overcoming the limitation of traditional single-charge membranes that can only remove one type of ion, thus improving purification efficiency.

This invention discloses a low-energy-consumption mixed C4 alkane-olefin separation device, comprising: a C4 evaporator or tank, an extractive distillation column for separating alkane and olefin, and a stripping column. The inlet of the extractive distillation column is connected to the top outlet of the C4 evaporator or tank, the stripping column is connected to the bottom of the extractive distillation column, and the top of the stripping column is connected to the inlet of a C4 olefin reflux tank. A chilled water system is also connected between the top of the stripping column and the inlet of the C4 olefin reflux tank to cool the C4 olefins before reflux. By installing a chilled water system at the top of the stripping column, this invention allows for lower-pressure operation within the stripping column, reducing overall energy consumption, optimizing the process flow, and simplifying the number of equipment. Furthermore, the separation effect of olefins cooled to low temperatures by chilled water under low pressure is better, improving the recovery rate and purity of C4 alkane and C4 olefin.

The utility model provides a kind of bolt forming device, it is related to bolt processing technical field, the bolt forming device includes installation platform, forming part, placing part, and placing part is used to place the cylindrical blank for processing bolt, placing part is set on installation platform and can be moved along installation platform;Power part, power part is set on installation platform, and can control placing part to move;Discharge part, discharge part is set on forming part, and discharge part is used to guide the bolt formed to the material guide inclined plane of installation platform, this kind of bolt forming device when using, staff only needs to place cylindrical blank into placing groove and bottom groove, when cylindrical blank is processed into bolt blank, by the baffle and slot for setting, bolt blank after completing processing can be directly transferred to material guide inclined plane, the transfer of bolt blank does not need manual participation of staff, only needs to be responsible for the feeding of cylindrical blank, reduce operating pressure, and use effect is good.

The utility model discloses a light hydrocarbon conversion product separation device which comprises an absorption tower, an oil-gas separation tank, a desorption tower, a stabilization tower, a C5 / C6 fractionating tower and a compressor system, an inlet of the compressor system is connected with a light hydrocarbon conversion gas-phase reaction product inlet pipeline, the upper part of the absorption tower is connected with a light hydrocarbon conversion liquid-phase reaction product inlet pipeline, the top of the absorption tower is connected with an absorption tower top gas discharge pipeline, the absorption tower, the oil-gas separation tank, the desorption tower, the stabilization tower and the C5 / C6 fractionating tower are sequentially connected, and the top of the stabilization tower is connected with a propane discharge pipeline. A pipeline at the bottom of the stabilizing tower is divided into two paths, one path is connected with the upper part of the absorption tower, and the other path is connected with a C7 + fraction discharge pipeline; the top of the C5 / C6 fractionating tower is connected with a C4 / C5 fraction discharge pipeline, and the bottom of the liquefaction separating tower is connected with a C6 fraction discharge pipeline. The device not only reduces the construction cost and the energy consumption, but also can reduce the processing cost, increase the liquid yield and improve the aromatic hydrocarbon recovery rate.

The application relates to the field of groundwater pollution remediation, in particular to an oxidation-reduction coupled permeable reaction wall and an evaluation method thereof. The oxidation-reduction coupled permeable reaction wall comprises a cover plate, a cement outer wall body, water stop plates, a reduction chamber, an oxidation chamber and a mixing chamber. The three water stop plates are alternately and vertically fixed on the cement outer wall body and the top cover plate respectively, and the reduction chamber, the oxidation chamber and the mixing chamber are separated by the water stop plates. The reduction chamber and the mixing chamber are communicated by an upper pipeline, and the oxidation chamber and the mixing chamber are communicated by a lower pipeline. The reduction chamber is sequentially provided with a detachable coarse quartz sand plate, a fine quartz sand plate and an active reaction plate from bottom to top. Through the synergistic effect of reduction-oxidation-adsorption, the oxidation-reduction coupled permeable reaction wall can effectively deal with the composite contaminated groundwater to realize complete mineralization of organic pollutants, and has the advantages of high remediation efficiency and strong applicability.

The invention discloses a live broadcast interaction method and apparatus, and a live broadcast device. The live broadcast interaction method comprises the following steps: collecting multimedia information of a live broadcast video in a live broadcast process by live broadcast equipment; understanding the multimedia information by using a multi-modal model in the live broadcast equipment to generate an interaction candidate operation list; and the live broadcast equipment distributes the interaction candidate operation list to an anchor live broadcast network, so that audiences and an anchor can carry out live broadcast interaction. According to the method and the device, the multimedia information in the live broadcast video in the live broadcast process is acquired in real time, and the multimedia information is understood and analyzed by using the multi-modal model, so that the interactive candidate operation list highly related to the multimedia information in the live broadcast is dynamically generated in real time; therefore, the anchor and the audience can carry out live broadcast interaction based on the interaction candidate operation list, and the convenience and the interaction effect of live broadcast interaction are improved.

The utility model discloses light hydrocarbon conversion product separation equipment which comprises an absorption tower, an oil-gas separation tank, a desorption tower, a stabilization tower, a liquefied gas fractionating tower and a compressor system, an inlet of the compressor system is connected with a gas-phase reaction product inlet pipeline, the upper part of the absorption tower is connected with a liquid-phase reaction product inlet pipeline, the top of the absorption tower is connected with an absorption tower top gas discharge pipeline, the absorption tower, the oil-gas separation tank, the desorption tower, the stabilization tower and the liquefied gas fractionating tower are sequentially connected, and the top of the stabilization tower is connected with a propane discharge pipeline; a pipeline at the bottom of the stabilizing tower is divided into two paths, one path is connected with the upper part of the absorption tower, and the other path is connected with a C7 + fraction discharge pipeline; the upper part of the stabilizer is connected with the liquefied gas fractionating tower through a pipeline, and the lower part is connected with a C6 fraction discharge pipeline; and the bottom of the liquefied gas fractionating tower is connected with a C5 fraction discharge pipeline. The device not only reduces the construction cost and the energy consumption, but also can reduce the processing cost, increase the liquid yield and improve the aromatic hydrocarbon recovery rate.

The utility model discloses a fractionating device for light hydrocarbon conversion products. The fractionating device comprises an absorption tower, an oil-gas separation tank, a desorption tower, a stabilization tower, a liquefied gas fractionating tower and a compressor system, an inlet of the compressor system is connected with a light hydrocarbon conversion gas phase reaction product inlet pipeline, the upper portion of the absorption tower is connected with a light hydrocarbon conversion liquid phase reaction product inlet pipeline, the top of the absorption tower is connected with an absorption tower top gas discharge pipeline, and the absorption tower, the oil-gas separation tank, the desorption tower, the stabilization tower and the liquefied gas fractionating tower are sequentially connected. A pipeline at the bottom of the stabilizing tower is divided into two paths, one path is connected with the upper part of the absorption tower, and the other path is connected with a C6 + fraction discharge pipeline; the top of the liquefied gas fractionating tower is connected with a liquefied gas discharge pipeline, and the bottom is connected with a C5 fraction discharge pipeline. The device not only reduces the construction cost and the energy consumption, but also can reduce the processing cost, increase the liquid yield and improve the aromatic hydrocarbon recovery rate.