47results about How to "Guaranteed to run through" patented technology

The invention relates to a yellow disperse dye capable of dyeing in acid and alkaline baths. The structural formula of the yellow disperse dye is shown in the specification, wherein, R1 is CH3, OCH3, OC2H5 or NHCOCH3; R2 is CH3 or NHCOR3; and R3 is H, CH3 or C2H5. The dye provided by the invention can be used for dyeing and printing of terylene and blended fabrics thereof, and especially is suitable for high-temperature high-pressure dyeing. In weak acid and strong alkaline baths (pH = 4.0-14), the yellow disperse dye can acquire the same dyeing shade and depth, and has good reproducibility and excellent sublimation and washing fastness.

The invention discloses a method for forecasting water burst flood peak and peak time for a karst tunnel underground river. The method comprises the following steps: (1) computing point rainfall; (2) determining areal rainfall according to the point rainfall; (3) computing effective precipitation according to the areal rainfall; (4) computing time interval unit hydrograph; (5) computing effective precipitation unit hydrograph according to the time interval unit hydrograph; (6) computing surface runoff according to the effective precipitation and the effective precipitation unit hydrograph; (7) computing subsurface runoff; (8) adding the surface runoff at each time interval and the subsurface runoff at the corresponding time intervals to obtain flood discharge; (9) performing fitting on value of the flood discharge to obtain a flood hygrograph; and (10) obtaining the flood peak and the corresponding peak time on the flood hygrograph and determining construction time for a karst tunnel according to the flood peak and the corresponding peak time. According to the method provided by the invention, the water burst flood peak in the tunnel and the arrival time of the flood peak can be accurately forecasted, so that the construction time for the tunnel can be reasonably arranged, and the lives of people and the safety of mechanical equipment can be ensured.

The invention relates to a molten glass cluster shunting mechanism. The molten glass cluster shunting mechanism comprises a shunting machine base, a vertical shunting shaft, a bearing seat and a bearing, wherein the bearing seat and the bearing are internally provided with transmission shafts; one end of each transmission shaft is provided with a shunting cam, and the other end of the transmission shaft is connected with a driving mechanism; the vertical shunting shaft is rotationally sleeved with a sleeve pipe; the outer side of the sleeve pipe is respectively provided with a shifting rod and a shunting rack, the end part of the shifting rod is in contact with the outer edge of the shunting cam, and the end part of the shunting rack is provided with shunting grooves; and the sleeve pipe is provided with a reset mechanism. According to the invention, stable operation is achieved; when a reset tension spring is in a contraction state, one of the shunting grooves is communicated with a flow guide part and a material receiving pipe paired with the shunting groove; the shunting cams rotate to push the shifting rod to rotate, and the shunting rack on the sleeve pipe rotates with the shifting rod and stretches the reset tension spring so that the other shunting groove moves below the flow guide part, therefore the communication of the flow guide part and the material receiving pipe paired with the shunting groove is ensured; and the two shunting grooves are circularly changed in position under the action of the rotation of the shunting cams and the acting force of the reset tension spring, therefore the shunting of glass clusters is realized.

The invention discloses a method for producing an enhanced hollow fiber membrane, which comprises (a) braiding a fiber rope to serve as an inner support for the hollow fiber membrane; (b) dragging the fiber rope to pass through a membrane casting solution while allowing the fiber rope to fully immerse in the membrane casting solution; (c) allowing the fiber rope to pass through an eyelet after leaving the membrane casting solution, and arranging a spherical body, with diameter larger than the diameter of the eyelet, in the tubular section of the fiber rope, and allowing the spherical body to abut against the eyelet by use of collection tension; (d) allowing the fiber rope to pass through a water tank after leaving the eyelet and solidify in the liquid, and sending the fiber rope out when the membrane casting solution on the surface of the fiber rope loses flowability; and (e) collecting. The invention also provides a device for producing the enhanced hollow fiber membrane by adopting the method. The invention can solve the problem of clogging of membrane filament due to material seepage in case of material solution with low viscosity, to ensure uniform penetration of the material solution into the inner and outer walls and improve the bonding force between the membrane layer and the support layer, and can solve the problem of non-round appearance.

The invention relates to a casing gas collection device, which comprises a casing gas inlet pipeline, a production liquid inlet pipeline, a buffer tank, and a gas-liquid output pipeline. The casing gas inlet pipeline is connected to the top of the buffer tank and extends into Inside, the middle part of the side wall of the buffer tank is connected to the production fluid inlet pipeline; the present invention also includes a method for using a casing gas collection device, which specifically includes the following steps, step S1, detecting casing gas collection The overall airtightness of the device; step S2, turn on the oil-gas mixed delivery pump, and transmit the oil and casing gas to the production system through the oil-gas mixed delivery pump; step S3, detect the liquid level in the storage tank. The invention can ensure the normal opening and closing of the constant-pressure air release valve, avoid blocking the pipeline so that the casing gas cannot be collected, reduce the formation production pressure at the same time, recover the casing gas to the greatest extent, and improve the production efficiency.

The invention discloses a seal locking piece achieving high-pressure filling. The two ends of the seal locking piece are cylinder sections, the portion between the cylinder sections is of a hexagonalstructure and a threaded section, the hexagonal structure is used for being matched with an external air inlet connector assembly to achieve running torque transmission, and the threaded section is used for achieving threaded connection with a bottle mouth of a bottle body; the diameter of the cylinder section corresponding to one side of the hexagonal structure is shorter than the length of the opposite edge of the hexagonal structure, the diameter of the cylinder section corresponding to one side of the threaded section is shorter than the diameter of the threaded section, and the end facesof the cylinder sections form sealed faces of the sealed bottle body; and a groove is machined in the hexagonal structure and the threaded section in the axial direction, and the groove penetrates through the hexagonal structure and the threaded section. According to the seal locking piece achieving high-pressure filling, a channel can be provided for meeting the requirements for filling in the filling process, and the channel is sealed by utilizing the self displacement after filling is completed.

The invention relates to the field of petrochemical engineering, in particular to an alkaline treating method of an aluminium isopropoxide waste catalyst and a treating device thereof. According to the method, strong alkaline solutions of sodium hydrate (or potassium hydrate) and the like are taken as alkaline hydrolysis extractants, alkaline hydrolysis extracting is conducted on the input isopropanol aluminum waste catalyst, and separation is conducted on an organic phase and an inorganic phase; useful parts of the separated organic phase are further recovered; pseudo-boehmite with high addedvalue is obtained after the PH value of the separated inorganic phase is adjusted through CO2, and carbonate crystals can be recovered by filtering liquid through a manner of condensed crystallization. By means of the method, the treating problem of wasted catalysts in the reduction production process of unsaturated aldehydes and ketones is solved, certain benefits can be achieved, and the greendegree of the reduction production process of the unsaturated aldehydes and ketones taking the aluminium isopropoxide as a catalyst is improved.

The invention relates to the field of chemical processes, and particularly discloses an inorganic acid treatment method for an aluminium isopropoxide dead catalyst and a device adopting the method. According to the method, an inorganic acid solution is taken as an acidolysis extraction agent for acidolysis extraction to the aluminium isopropoxide dead catalyst generated during reduction process ofunsaturated aldehyde ketone, so that organic phases and inorganic phases are separated; useful components in the separated organic phases are further recycled, aqueous phase obtained after separation are evaporated and concentrated to obtain an aluminiferous product. According to the invention, the operation is simple, green and environmentally friendly; the treatment problem on the aluminium isopropoxide dead catalyst is solved by adopting a relative gentle method, on the other hand, benefits are increased to a certain extent, and condensate can be used repeatedly.