78results about How to "Avoid hanging on the wall" patented technology

The invention discloses a pretreatment method for determining multiple heavy metal elements in soil simultaneously. The pretreatment method comprises steps as follows: step (1): sample weighing: the soil is air-dried, ground and screened with a nylon sieve, a soil sample is weighed and put into a microwave digestion tube through a polytetrafluoroethylene long-neck funnel, and the funnel is slightly flapped before the funnel is removed so that all the soil sample attached to the wall of the funnel enter the digestion tube; step (2): digestion: nitric acid, hydrochloric acid and hydrofluoric acid are added to the digestion tube, a cover is screwed down, and the digestion tube is put into a microwave digestion instrument for digestion; step (3): acid driving: after microwave digestion is finished, hydrogen peroxide is added to the digestion tube; then the microwave digestion tube is put into a temperature-controlling acid driver in a fume cupboard for direct acid driving until the volume is smaller than 1 mL, then a solution is directly transferred to a volumetric flask, the volume is constant, and a to-be-tested solution is obtained. With the adoption of the pretreatment method, the digestion speed of the sample can be increased, the pre-treatment step of the sample is simplified, and the accuracy of the detection analysis result is guaranteed.

The invention discloses a soybean grinding device for preventing soybean powder from hanging on the wall, which comprises a base, a supporting platform, a movable column, a grinding frame and a double-axis motor; Above the base, a movable column is inserted in the center of the supporting platform, and the movable column is slidingly connected with the supporting platform. The lower end of the movable column is connected with a grinding block with air holes. The movable column is a hollow structure, and the top of the movable column is connected with a telescopic hose. There is a blind plate on the top of the telescopic hose, and the left side of the blind plate is connected to the intake pipe with a one-way valve installed. The motor is located above the blind plate, and a pressing rod is connected between the biaxial motor and the blind plate. The invention can effectively solve the wall-hanging phenomenon in soybean grinding, ensure the uniformity of grinding, and meanwhile has good grinding effect, and is worth popularizing and using.

The invention belongs to the technical field of medical equipment and particularly relates to a multistage milling device for polymer chemical material particles. The multistage milling device aimingat solving the problems that an existing milling device is difficult to clean, meanwhile the heat generated during milling is not completely dissipated, and damage to the milling device is caused easily. According to the multistage milling device, the following scheme is provided, the multistage milling device comprises a support frame, vertically-arranged shock absorbers are connected to the fourcorners of the top of the support frame through bolts, and the tops of the four shock absorbers are all connected with mounting blocks through bolts, and the same milling box is welded to the ends, close to each other, of the four mounting blocks. According to the multistage milling device, the polymer chemical material particles are milled by a first milling disc and a second milling disc and then ball-milled by a ball milling head and a third milling disc, so that the milling effect of the polymer chemical material particles can be ensured, the milling device is easy and convenient to clean, and the corrosion of the residual polymer chemical material to the milling device can be effectively avoided.

The invention discloses a process method for production of alpha-olefin by oligomerization of selective ethylene; a high-pressure reaction kettle is externally connected with a material circulation pipeline; the material circulation pipeline is provided with a heat exchanger and a gas-liquid separator; in the synthesis process of alpha-olefin, ethylene is inputted to the high-pressure reaction kettle, alpha-olefin synthesized in the presence of a catalyst and a reaction solvent is dissolved in a solvent in the kettle, and a reaction liquid containing a product flows out from the bottom of thekettle, then has heat exchanged by the heat exchanger, enters the gas-liquid separator and is subjected to gas-liquid separation; gas discharged from the top of the gas-liquid separator flows back toa gas mixing tank, and a liquid is sent back to the high-pressure reaction kettle. The invention also relates to a system implementing the process. Heat generated from the reaction is removed in time,the reaction temperature is steadily controlled, and the activity and the selectivity of the catalyst are improved.

The invention discloses a feed mixing device capable of preventing a material from being attached on an inner wall by utilizing impact. The feed mixing device comprises a base, a mixing drum, a motor,a rotating shaft and a rack, wherein an impact plate is fixedly arranged on the outer wall of the mixing drum; a vertically-arranged fixed plate is connected with and arranged at the position of thebottom part of a top plate located at the right side of the mixing drum; the motor is arranged at the position of the top part of the top plate located at the right side of an upper connecting column;the output end of the motor is connected with a driving shaft; the tail end of the driving shaft is connected with an incomplete bevel gear matching with a first bevel gear; the rack is arranged at the rear side of the incomplete bevel gear and meshes with the incomplete bevel gear; the rotating shaft is inserted in the upper connecting column; the shaft body of the rotating shaft located in theinterior of the mixing drum is fixedly and equidistantly provided with a plurality of groups of stirring blades along a length direction; two adjacent groups of the stirring blades are in staggered arrangement; and the mixing drum is also connected with a feeding hopper and a discharging pipe. The feed mixing device provided by the invention has ingenious structure and reasonable design, can shakeoff a feed attached on the inner wall of the mixing drum by utilizing inertia, avoids the feed from hanging on a wall, and reduces the waste of the feed.

The invention relates to a treatment method of high-salt wastewater, in particular to a technology for recycling and treating high-salt organic wastewater resources. The technology has the advantagesthat the organic component and salt in the wastewater can be fully extracted, recycled, and utilized, so that the running cost in incineration is reduced; the organic solvent can be recycled, so thatthe obtained mixed salt can be separated and purified in a recrystallizing way, and then recycled, thereby obtaining the pure salt with single component, and saving the resource.

The invention provides an extreme speed PCR reaction detecting device, which comprises a temperature control system, a horizontal transmission mechanism, a reaction tube fixing device, and a perpendicular transmission mechanism.The horizontal transmission mechanism drives the temperature control system to move horizontally, the reaction tube fixing device is connected with the perpendiculartransmission mechanism and capable of moving up and down along an eccentric wheel of the perpendiculartransmission mechanism so as to realize the relative reciprocating movement of a reaction tube on the reaction tube fixing device between temperature control modules. The extreme speed PCR reaction detecting device is compact in structure, the moving speed is fast, the temperature rising and falling speed of reaction liquid in the reaction tube can be increased by the temperature setting of a high temperature module and a low temperature module, the two aspects of increasing the temperature rising and falling speed of the reaction tube and the moving speed between the reaction tube and the temperature control modules are set about to achieve the purpose of shortening the time required for PCR reaction, at the same time, the detection result of the extreme speed fluorescence PCR reaction detecting device is good in repeatability, and the result is accurate.

The present disclosure relates to a rapid cooling and crushing system for molten glass in a kiln, the system includes a support frame (1), and a chute (3) obliquely installed on the support frame (1); the chute (3) The higher end is connected with a water quencher (2), and the water quencher (2) is provided with a cooling water jet hole facing the chute (3); the outside of the bottom of the chute (3) is provided with a The cooling water channel (7) connected to the water quencher (2), the cooling water channel (7) extends from the higher end to the lower end of the chute (3) and is provided with a first cooling water channel at the bottom end Entrance (71). The system can rapidly cool and crush the red-hot molten glass to form clean glass particles that can be directly used in the production line.

The invention provides a dynamic photo-bio-reactor. The dynamic photo-bio-reactor comprises a culture tank and a light emitting unit; the dynamic photo-bio-reactor further comprises an optical arm blade propeller and a driving mechanism; the light emitting unit is arranged on the optical arm blade propeller; the optical arm blade propeller is arranged in the culture tank; the driving mechanism canbe used for driving the optical arm blade propeller to do rotating and hoisting movement in the culture tank. The invention further provides a method for culturing microalgae by utilizing dynamic light; a culture solution of the microalgae is subjected to rotating and hoisting type stirring; in a stirring process, dynamic light illumination which is synchronized with stirring is carried out. Thedynamic photo-bio-reactor and the method for culturing the microalgae by utilizing the dynamic light, provided by the invention, have the advantages of simplicity in operation, low cost and capabilityof effectively improving the yield of microorganisms (microalgae) cultured by the method.

The invention relates to a pressurized rotary screw powder feeder. The feeder is composed of a speed adjustable motor, a powder chamber and a screw powder feeder body. The pressurized rotary screw powder feeder is capable of conveying a variety of powder such as coal powder, mineral powder, cement and lime; can automatically fill feed in a closed process and is good in environmental protection effects and easy to operate and control; can achieve pneumatic pressurized conveying at the pressure of 5.0MPa and above and is applicable to the section requiring pressure of a post-system; has a simple and reliable pneumatic mixing mechanism to effectively avoid powder bridging or wall hanging and to prevent powder clogging.

The invention provides a stirring device for preparing colloid class plasma solubilizer. The stirring device comprises a stirring shaft and double layers of combination blades which are fixed to the stirring shaft; the double layers of combination blades comprise a bottom layer of stirring blades and an upper layer of stirring blades, the bottom layer of stirring blades are fixed to one end of the stirring shaft, and the upper layer of stirring blades are fixed to the stirring shaft; the upper layer of stirring blades are variable-cross-section type two-blade inclined blades; both the front edges and the rear edges of the main blades of the variable-cross-section type two-blade inclined blades are in sawtooth shapes. According to the stirring device, macromolecular gelatin materials can be dispersed, cut and broken effectively, the capacity of maintaining uniform, stable and rapid stirring is achieved, and the optimal stirring flow pattern is achieved, so that molecular weight distribution is effectively controlled, the percent of pass of subsequent products is raised, production time is saved, it can be further guaranteed that liquid medicine is prevented from splashing and hanging on the wall in the stirring process, accordingly the raw material loss is reduced, and production cost is saved.

The invention discloses a water-based ink conveying cylinder with a stirring function. The water-based ink conveying cylinder comprises a support, a fixed shaft, a positioning pin, a cylinder body, a motor, a stirring rod, a wall cutting structure, an oscillating structure and a sampling structure; and fixed shafts are symmetrically installed on the two sides of the circumferential surface of the cylinder body, the two fixed shafts are installed in a bearing seat of the support in a matched mode through bearings, and the positioning pin is transversely arranged in the side wall of the support in a penetrating mode through thread fit. The water-based ink conveying cylinder has the beneficial effects that by arranging the oscillating structure, when the stirring rod rotates, an oscillating motor works to drive a rotating disc to rotate, under the pushing cooperation of the swing rod, extrusion vibration of a vibration strip can be better achieved, under the cooperation of a limiting rod and an extendable spring, reciprocating vibration of the vibration strip in the vertical direction can be achieved, a vibration frame is driven to vibrate up and down in a reciprocating mode, in the vibration process, mixing and stirring of water-based ink can be better achieved, layering and hardening of materials are avoided, meanwhile, solid-liquid separation of the printing ink in centrifugal rotation is avoided, and a better mixing effect is achieved.

The invention provides a production method of high-quality PPTA (poly(p-phenylene terephthalamide)) resin and a PPD (p-phenylenediamine) stirring vessel, and belongs to the technical field of polymermaterials. The method for obtaining the high-quality PPTA resin comprises the following steps: blending of an NMP/CaCl2 complex solvent; preparation of a PPD solution; measuring of TPC (terephthaloylchloride); condensation polymerization; blank treatment. The PPD stirring vessel is also provided, PPD dissolution parameters such as temperature, stirring speed, dissolution time and the like are optimized, and all PPD can be dissolved and participate in the condensation polymerization. Pre-polymerization and the condensation polymerization are carried out in the same reactor, the technological process is short, the total molar ratio is easy to control, repeated transfer of materials is avoided, and influence of residues in the system on the molar ratio and influence of deterioration of deposited materials at dead corners of a conveying system on the reaction are avoided.

The invention relates to an antirust treatment device for a chemical agent conveying pipeline. The antirust treatment device for the chemical agent conveying pipeline comprises a bottom plate, a supporting table, a rotating unit and a smearing unit, the supporting table is installed at the upper end of the bottom plate, the rotating unit is installed on the supporting table through a bearing, andthe lower end of the rotating unit is installed on the bottom plate. The antirust treatment device for the chemical agent conveying pipeline can solve the problems that when existing equipment carriesout antirust treatment on a chemical agent conveying pipeline, the surface of the pipeline cannot be polished, rust on the surface of the pipeline affects smearing of antirust paint, the smearing effect of the antirust paint is reduced, meanwhile, the surface of the pipeline cannot be intermittently smeared with the antirust paint, and the problems that in the prior art, the antirust paint is prone to being excessively used, so that the consumption of the antirust paint is increased, the treatment cost is increased, the surface of the pipeline cannot be scraped flat, the paint on the surfaceof the pipeline is prone to being accumulated, the wall hanging phenomenon occurs after the surface of the pipeline is smeared, and the smoothness of the surface of the pipeline is reduced are solved.

The invention discloses a nano-material modified heat-preservation interior wall coating material and a processing device. The processing device comprises a body, wherein the top of the body is connected with a feeding hopper, a supporting plate is fixedly installed on one side of the body, the top of the supporting plate is connected with a motor, a discharging port is formed in the bottom end ofthe body, a supporting column is connected to the exterior of the discharging port, and a crushing mechanism is installed at the bottom of the feeding hopper. In the present invention, under the action of the crushing mechanism, raw materials enter the body through the feeding hopper, and fall on the top end of the leakage plate, the first electromagnet and the second electromagnet are electrified in a staggered manner, and the sleeve ring is a magnetic sleeve ring and slides on the outer wall of the fixing rod through the first sliding groove and the first sliding block, so that the connecting rod drives the movable wheel to grind the raw materials on the surface of the leakage plate through the movable shaft, the ground raw materials move downwards through the leakage plate, and throughthe arrangement, the raw materials can be crushed before being stirred, the raw materials can be conveniently crushed and mixed more sufficiently, and the integration of the raw materials is improved.

The invention relates to a direct heat exchange based cooling crystallization method. The method comprises steps as follows: an organic medium which is insoluble with a solute solution and has a freezing point lower than 5 DEG C and a boiling point higher than 30 DEG C is adopted as a heat transfer medium; the organic medium is cooled to be 1-4 DEG C lower than an aqueous inorganic salt solution,low-temperature organic medium countercurrent and a solution are contacted in a crystallizer for heat exchange, the low-temperature organic medium takes away heat released by crystallization, inorganic salt is separated out from the aqueous solution, the organic medium is sent to outside of the crystallizer and is recycled after being cooled again, and continuous cooling crystallization of the inorganic salt is realized. The method has the advantages of being high in heat exchange efficiency, low in equipment investment and high in operability, avoiding crystallizing blockage and reducing labor intensity, and is applicable to cooling crystallization of multiple materials.

The invention relates to a full-automatic oil analysis high-performance liquid separation apparatus. The full-automatic oil analysis high-performance liquid separation apparatus comprises a base, liquid separation bottles, a snap-in apparatus, a liquid outlet pipe and a movable plate, wherein a storage frame and the snap-in apparatus are installed inside the base, the inner sides of the storage frame and the snap-in apparatus are respectively provided with the liquid separation bottle, the top end of a supporting leg is connected with the storage frame, the outer side of the storage frame is provided with a micro vibrator, and the inner side of the storage frame is provided with an inner protection mat; a first liquid inlet pipe is arranged inside a conduit plug in a penetrating manner, asecond liquid inlet pipe is arranged inside the conduit plug adjacent to the first liquid inlet pipe in a penetrating manner, one end of the snap-in apparatus is fixed to on the inner wall of the base, the liquid outlet pipe is arranged on the bottom of the liquid separation bottle, and the outer side of the liquid outlet pipe is provided with an electromagnetic valve; and the movable plate is arranged inside the base. According to the full-automatic oil analysis high-performance liquid separation apparatus, the storage frame on the outer side of the liquid separation bottle is provided with the micro vibrator, and the outer micro vibrator can enable micro bubbles to float upwardly, so that the wall hanging of the bubbles can be avoided, and the separation efficiency can be improved.

The invention discloses a chemical compound purification and separation device, and relates to the technical field of chemical compound purification and separation. The chemical compound purification and separation device comprises a separation machine body, the top of the separation machine body is fixedly provided with an electric push rod and a feeding pipe, one end of the output end of the electric push rod is fixedly provided with a rotating shaft, and one end of the rotating shaft is fixedly provided with a telescopic threaded rod; and bases are fixedly mounted on the outer walls of the two sides of the bottom of the separation machine body correspondingly, and a separation box is fixedly mounted in the separation machine body. The separation box and a uniform heating assembly are arranged in the device, the design is reasonable and ingenious, through the linkage effect, the effect of heat source movable heating can be achieved in the process of synchronous stirring treatment of chemical compounds, the crystallization purification efficiency of the chemical compounds can be effectively improved, the heating uniformity of the chemical compounds can be improved, the purification effect is ensured, meanwhile, the rotating speed of an inner liquid stirring mechanism can be adjusted by controlling the working speed of the electric push rod, and adjustment and control are easy.

The invention discloses equipment and method for recycling raw coke oven gas waste heat for benzene removal and ammonia distillation. The equipment comprises riser heat exchangers, an ammonia distilling reboiler, a negative pressure ammonia distilling tower, a benzene removal reboiler, a negative pressure benzene removal tower, a heat medium tank and a hot lean oil tank, wherein heat medium outlets of the riser heat exchangers are connected with the ammonia distilling reboiler, and the heat medium outlets are connected with the benzene removal reboiler; the benzene removal reboiler is connected with the heat medium outlets, a pipeline is connected with the negative pressure benzene removal tower, and the benzene removal reboiler is connected with the hot lean oil tank; the benzene removalreboiler is connected with the heat medium tank, the ammonia distilling reboiler is connected with the hot lean oil tank and the heat medium tank, the ammonia distilling reboiler is connected with thenegative pressure ammonia distilling tower, and the negative pressure ammonia distilling tower is connected with the ammonia distilling reboiler; the negative pressure benzene removal tower is connected with the hot lean oil tank, the hot lean oil tank is connected with a hot lean oil circulating pump, and the the hot lean oil circulating pump is connected with the benzene removal reboiler and the riser heat exchangers; and another pipeline is connected with an outlet of a heat medium pump, and the heat medium pump is connected with the heat medium tank.

The invention relates to the technical field of powder and liquid high-speed dispersing, mixing and emulsifying machines in lithium battery industry, in particular to a high-speed dispersing machine.The high-speed dispersing machine comprises a driving system, a premixing and dispersing system, a cooling system and a support system, wherein the premixing and dispersing system comprises a gap adjusting meter, a material charging cavity, a grinding cavity, a material discharging cavity, a sealing mechanism, a support base, a hinge disc, a belt wheel and a plum blossom rotary button; the gap adjusting meter is arranged on the material charging cavity; the grinding cavity and the material discharging cavity are sequentially arranged at the lower part of the material charging cavity; the material discharging cavity is connected with the support base through the sealing mechanism; the hinge disc is arranged at the lower part of the support base, and the belt wheel is arranged at the bottompart of the support base; a driven rotary shaft, a centrifugal material discharging disc, a conical grinding head, the grinding cavity, a gap adjusting inner cover, a gap adjusting outer cover and a material charging cover are sequentially arranged in the premixing and dispersing device; the cooling system comprises a cooling liquid tank and a support rod, and is driven by a motor. The high-speeddispersing machine has the advantages that the powder and the liquid are mixed, so as to reach the uniformity of slurry; the floating, balling and the like are avoided; the speed is high, and the dispersing efficiency is high.