32results about How to "Reduce wall hanging" patented technology

The invention relates to the technical field of water-powder mixing or liquid mixing equipment in the construction operations of oil and gas fields and particularly relates to a fracturing base liquidmixer used in a construction process of an oil field fracturing site. The fracturing base liquid mixer comprises a rotational flow premixing device which comprises a liquid inlet, a feeding hole, a connecting component and an annulus, wherein the feeding hole is vertically formed, the liquid inlet is horizontally formed, the side wall of the feeding hole is connected with a sleeve, the connectingcomponent is arranged in the sleeve, the annulus is formed by the connecting component and the side wall of the feeding hole and is communicated with the liquid inlet, an oblique side is arranged atthe lower end part of the side wall of the feeding hole, an oblique plane is arranged at the upper part of the connecting component, and the oblique plane and the oblique side form certain angles witha vertical plane and are 0-80 degrees; and a reduced section, a throat pipe and a dispersion pipe are sequentially arranged at the lower part of the feeding hole. The fracturing base liquid mixer canmeet the requirements on the fracturing base liquid during large-scale operations in a fracturing operation site, the blending and mixing efficiencies are improved, the mixing quality of guanidine gum liquid is improved, and the optimal energy efficiency ratio is realized.

The invention discloses a hydraulic pressure-type cable tunnel cleaning device, and relates to the technical field of cable casting construction tools. The hydraulic pressure-type cable tunnel cleaning device comprises a conveying device, a water spraying device, a hard flared tube, a soft mud tube, a water pump and a driving motor; the conveying device consists of a conical cover, a conical spiral conveying sheet and a transmission shaft; the conical cover is fixedly arranged on the left end of the transmission shaft; the conical spiral conveying sheet is located behind the conical cover and is fixedly connected with the transmission shaft through support rods; the right part of the transmission shaft penetrates through the water spraying device and is in rotary hermetic match with the water spraying device; the left end of the water spraying device is a truncated cone-shaped water sprinkling cover; a cavity is arranged in the truncated cone-shaped water sprinkling cover; a soft shaft is coaxially arranged in a soft water inlet sleeve pipe; the output end on the left side of the soft shaft is connected with the right end of the transmission shaft; and the right end of the hard flared tube is in butt joint communication with the soft mud tube. The hydraulic pressure-type cable tunnel cleaning device is high in mud cleaning efficiency, small in work resistance and small in water consumption amount and can clean cleanly.

The invention provides a fermented milk with advantages of drinking experience improving and wall attachment reducing, and a preparation method thereof. The preparation method comprises: dissolving raw materials, degassing, homogenizing, sterilizing, and cooling; adding a fermenting agent, fermenting for 2-3 h at a temperature of 41-43 DEG C, cooling to a temperature of 32-37 DEG C, continuously fermenting, and stopping the fermenting until the acidity achieves 75 DEG T,; carrying out demulsification on the fermented material liquid, and beating the obtained material liquid by using a high-frequency rotor pump through a cold plate until achieving a to-be-filled state; beating into a filling machine through a screw pump, and filling to obtain a finished product; and carrying out cold preservation and after ripening on the finished product, and leaving the factory. According to the present invention, with the application of the preparation method to prepare the fermented milk, the optimal drinking experience can be achieved without the reducing of the product indexes and the increase of the thinning step, and the stability of the shelf life of the product can be ensured by using thesecondary fermentation process during the fermentation.

The invention discloses a cross well cementation method without occupying a well mouth. The method comprises the following steps: (S1) the lower end of a 20" surface layer sleeve is connected with a sleeve float shoe, wherein the sleeve float shoe is provided with a side outlet hole on the side wall below a float shoe check valve base; (S2) the 20" surface layer sleeve is directly descended to a base, and is fixed in center through righting blocks in the well mouth; (S3) a drilling table inverts and swings the 20" surface layer sleeve in the position of conveniently connecting with a circulating head of the 20" sleeve below a turntable to shift a derrick to a next well position to perform the cross well cementation operation without occupying the well mouth in the well mouth area; and (S4) the return condition is observed in the well cementation period; and after cement is returned out from the well mouth, the replacement operation is immediately switched to finish the well cementation. The method finishes the well cementation operation by connecting the circulating head in the well mouth area, finishes the 20" surface layer sleeve well cementation operation without occupying well mouth time, finishes the all-well-section sealing by returning cement to the well mouth according to high-temperature and high-pressure shaft completeness requirements, and guarantees the integration of the 20" sleeve and a 30" pile pipe to realize the shaft completeness.

The invention discloses a method for preparing diether diphthalimide. The method comprises the following steps: step (A): in a reaction kettle, enabling a diphenol raw material to react with one or more of strong base and strong alkali and weak acid salt in a non-polar solvent, such as methylbenzene or o-xylene, under an inert atmosphere; and step (B): enabling a reaction product of the step (A) to react with phthalimide in the presence of an ionic liquid catalyst, to obtain the diether diphthalimide. The method is capable of performing a nucleophilic reaction in the non-polar solvent, addingionic liquid as a phase transfer catalyst, and improving a reaction yield. After ending the reaction, impurities are removed through a water extraction method, and wastewater generation is greatly reduced. The diether diphthalimide is obtained by reducing a pressure and evaporating an organic layer, a process is simple, and an obtained product is high in purity.

The invention discloses a wastewater treatment system with multiple crystallizer units and a wastewater treatment method based thereon and relates to the field of wastewater treatment. The wastewater treatment system comprises a wastewater pretreatment device, a vaporizer, a circulation crystallizer set, a crystal filter, and a dewatering device which are communicated in sequence; the circulation crystallizer set includes a main inlet, a main outlet and multiple circulation crystallizers. The wastewater treatment method comprises: during wastewater treatment, on the basis of results of a solution detection element, when the detection result of any one forced circulation crystallizer of the forced circulation crystallizer group reaches a preset threshold, changing, by a controller, flowing direction of the wastewater within specified time, such that the sequence of the wastewater to flow through the multiple forced circulation crystallizers of the forced circulation crystallizer group is changed. Less lumpy salt is generated in the crystallizers and attach to the walls, tube blockage is relieved, and therefore, operating efficiency of the whole system is thereby improved, with operating cost lowered.

The invention relates to a water jacket for an inner heat-storing coal-gas furnace, which is an important composing facility for the coal-gas furnace, wherein a water jacket cavity is arranged between the inner wall and the outer wall of the water jacket. The water jacket is characterized in that a flame-retardant insulating layer is coated on the inner wall of the water jacket corresponding to a hearth region, and is an integral structure which is poured and molded by a flame-retardant insulating pour material, and a reinforcing component is arranged in the flame-retardant insulating layer. The water jacket has simple manufacture, installation and maintenance, stable performance, less thermal loss, high steam decomposition rate and low energy consumption, greatly reduces the scaling phenomenon on the inner wall of the water jacket, and prolongs the service life.

The invention discloses a novel roller dryer. The novel roller dryer is composed of a roller, a gas distributor, a rotary joint and a roller driving mechanism. The working principle of the novel roller dryer is as follows: dry gas is introduced into the roller through the rotary joint and the distributor to realize lower semicircular gas inlet and upper semicircular gas outlet in the roller, and agas inlet and a gas outlet in the roller are sequentially changed along with the rotation of the roller to form gas flow from bottom to top in the roller, so that a dried material is in an approximate fluidized state, and drying of the material is further achieved. The novel roller dryer has the advantages of being high in drying efficiency, wide in material application range, capable of meetingthe GMP standard, high in automation degree and the like, and is an ideal substitute product for traditional stirring dryers, rotary dryers, helical ribbon dryers, rake dryers, box dryers and the like.

The invention belongs to the technical field of heat preservation and sound insulation board production and processing, and particularly relates to a stirring device and a heat preservation and sound insulation board pouring system. The stirring device comprises a stirring barrel, stirring blades and a valve, and a feeding port and a nozzle are formed in the barrel wall; and the feeding port and the nozzle are arranged at the upper half part of the barrel wall. The bottom of the stirring barrel is not provided with a closed-up material collecting structure, and the stirring barrel is of a straight-through structure in the whole vertical direction so that the wall hanging phenomenon of materials can be effectively reduced; the materials are directly released into a mold after being mixed into slurry and do not pass through a redundant conveying device any more, and the phenomenon of inaccurate feeding caused by material solidification is reduced to the maximum extent; and the stirring barrel has a self-cleaning function, turbid liquid generated by cleaning does not need to be discharged and is directly used as a solvent for next stirring, high-frequency cleaning of equipment is realized in the whole processing process, waste liquid is not generated, and the production process is more environment-friendly.

The invention discloses a wall-hanging-prevention high-density chemical industry solution storage tower comprising a storage tower body. The exterior of the storage tower body is fixedly connected with an outer frame. The axis position of the storage tower body is connected with a fixed supporting shaft in a rotating manner. The two ends of the fixed supporting shaft penetrate the inner walls of the storage tower body and extend to the exterior of the outer frame. The top end of the fixed supporting shaft is fixedly connected with a fixed rotating device. The position, making contact with theouter frame, of the top end of the fixed supporting shaft is fixedly connected with a fixed connection device. The top end of the outer wall of one side of the outer frame is fixedly connected with arotating power box through a supporting frame. A motor is fixedly connected in the rotating power box. The invention relates to the technical field of chemical industry production. By means of the wall-hanging-prevention high-density chemical industry solution storage tower, the wall hanging situation of high-density chemical industry solutions in the storage and processing processes is reduced; meanwhile, the stirring effect of the device is improved, and quality of chemical industry finished products is improved; and meanwhile resource waste is reduced.

The invention discloses a rotary joint for a novel roller dryer. The rotary joint for the novel roller dryer comprises two main bodies, wherein the two main bodies are connected with each other through a spring; a static ring is arranged on the side, away from the spring, of each main body; a movable ring is arranged on the side, away from the spring, of each static ring; and the movable rings areconnected with a main shaft through bearings. According to the rotary joint for the novel roller dryer, movable rings are connected with the main shaft and rotate synchronously with the main shaft, and holes are formed in the movable rings along the circumference and communicate with air guide pipelines respectively; and the static rings are fixed, a partition plate is arranged in the diameter direction of each static ring and axially divides into an upper cavity and a lower cavity, the two cavities are connected with an air inlet pipe and an exhaust pipe of the dryer respectively, and the air guide pipelines are used for guiding dry air into a dryer roller and exhausting wet air out of the dryer roller to achieve the drying of materials, so that the whole device is suitable for treatinglight materials which are easy to fly, easy to cake, easy to hang on the wall, pasty and difficult to treat, and is high in drying efficiency and convenient to use at the same time.

The invention discloses a mixed oil conveying pipeline facilitating mixed oil cutting, and relates to the field of mixed oil conveying and cutting. The mixed oil conveying pipeline provides the following scheme aiming at the problems that an existing mixed oil conveying pipeline is large in cutting difficulty and high in cost, mixed oil increase is likely to be caused, oil products along the line are affected, and the cutting effect is poor. The mixed oil conveying pipeline comprises a main pipeline body, a control valve ball is arranged on the inner side of the main pipeline body, an oil guide groove is formed in the inner side of the control valve ball, a connecting block is arranged on the side wall of the main pipeline body, the connecting block and the main pipeline body are connected with a limiting sliding block and a fixing bolt, a flow guide valve ball is arranged on the inner side of the connecting block, a flow guide groove is formed in the side wall of the flow guide valve ball, a branch pipeline body is installed on the side wall of the connecting block, and rotating shafts are installed on the side wall of the flow guide valve ball and the side wall of the control valve ball. The mixed oil conveying pipeline is novel in structure, high in mixed oil conveying adjustability, wide in application range, high in stability and use safety and good in conveying effect.

The invention discloses a method for detecting concentration of metal elements in aqueous humor in combination with flow injection and an inductively coupled plasma mass spectrometer. The method comprises the following steps of first, taking an aqueous humor sample; then, diluting the aqueous humor sample, and adding Triton, methanol, HNO3 and internal standard elements to obtain a diluent; and finally, injecting, by using the flow injection, the sample into the inductively coupled plasma mass spectrometer for determining the concentration of the metal elements to be detected. According to themethod, aqueous humor detection pretreatment is adopted for solving the problem that the aqueous humor sample has a wall hanging phenomenon in a sample injecting pipeline, so that the wall hanging ofthe sample in the sample injecting pipeline is greatly reduced. Moreover, by adding the internal standard elements, namely, manually selecting and adding the elements, namely, Sc, In and Ge, that arevery rare in the natural environment, the solution sample volume is standardized, and a matrix effect and signal drift are eliminated. In addition, the values to be set of the relevant parameters ofan instrument are found out, the concentration of trace metal elements in the aqueous humor is successfully detected by applying FI-ICP-MS for the first time, and taking Zn as an example, the detection limit is as low as 2.00 ug/L. The method for detecting the concentration of the metal elements in the aqueous humor in combination with the flow injection and the inductively coupled plasma mass spectrometer provides a model for the detection of the trace metal elements in the aqueous humor.