15results about How to "Improve centrifugation efficiency" patented technology

The application provides a centrifugal platform and a centrifugal device, and belongs to the field of centrifugation, wherein the centrifugal platform comprises a platform body, a sample inlet, a sample outlet, a sample transfer module, an adapter management unit and a centrifuge site arranged on the platform body, the adapter management unit comprises a bearing platform and an adapter translation module, the bearing platform is provided with N bearing channels for bearing centrifugal adapters, and a first bearing site, a second bearing site and a third bearing site are sequentially arranged in each bearing channel; the adapter translation module is used for translating an empty centrifugal adapter on the second bearing site to the first bearing site and translating a centrifuged adapter on the third bearing site to the second bearing site, so that automatic translation of the centrifugal adapter can be realized, and the centrifugal requirement of a large number of samples can be met.

The utility model relates to the technical fields of kit, put forward a kind of mRNA in vitro transcription kit, kit inside is separated into storage cavity and refrigeration cavity by partition, the refrigeration cavity inside is equipped with refrigeration device, the storage cavity inside includes the support seat fixed in the upper portion of partition, rotatable connection has the rotating shaft of vertical arrangement on the support seat, the top of rotating shaft coaxially is fixed with the rack for placing reagent tube for placing, driving hole is opened along the axis in the rack, the driving hole passes through rotating shaft and extends to the inside of support seat, spiral rod is passed in the inside of driving hole, the driving hole is located on the inner wall of rack and is opened with the spiral groove of the appearance matching of spiral rod. The utility model has the beneficial effects that: using spiral rod and refrigeration device, RNA polymerase can be centrifuged in kit, wait for use, do not need to take reagent out of box again, reduce the risk of temperature rise enzyme activity decline.

The invention belongs to the technical field of rice bran wax purification, and particularly relates to rice bran wax purification equipment which comprises a centrifugal separation box, the upper end of the centrifugal separation box is hermetically covered with a box cover, and a first motor is fixedly mounted in the center of the lower end of the centrifugal separation box; the output end of the first motor penetrates through the bottom of the centrifugal separation box and is coaxially and fixedly connected with a centrifugal disc in the centrifugal separation box. The rice bran wax purification process adopts the rice bran wax purification equipment for purification, and comprises the following steps: S1, putting the wax paste to be purified and the ternary azeotrope into the stirring tank according to a certain proportion, and uniformly stirring and mixing at a certain temperature through the second motor and the stirring rod. The device has the advantages that the centrifugal layering work can be quickly and effectively completed, the centrifugal efficiency is improved, the subsequent treatment and procedure continuity are ensured, and the purification effect and efficiency are greatly improved.

The utility model belongs to the field of centrifugal discharging equipment, and particularly relates to curing agent centrifugal discharging equipment which comprises a tank body, a plurality of supporting rods are fixedly connected to the bottom of the tank body, non-slip mats are fixedly connected to the bottoms of the supporting rods, a supporting ring is fixedly connected to the interior of the tank body in a sleeved mode, and a filter cylinder is rotationally connected to the inner side of the supporting ring in a sleeved mode. A cover plate is connected to the interior of the filter cartridge through threads, a feeding port is fixedly connected to the top of the cover plate, and a connecting seat is fixedly connected to the bottom of the filter cartridge. Through the design of the driving motor, the output end of the driving motor can drive the first gear to rotate, the first gear can drive the second gear and the rotating shaft to rotate, then rotation of the square block and the connecting base can be achieved, the filter cylinder can be driven to rotate for centrifugation, and after centrifugation is completed, the filter cylinder can directly move upwards to take out the tank body. Filtered solids can be conveniently recovered, the filter cartridge can be conveniently cleaned and maintained, and the use is more convenient.

This invention relates to the field of building materials technology, and more specifically, to a high-fluidity, micro-expansion multi-solid waste grouting repair material and its preparation process, comprising a cementitious material system, composite solid waste admixture, aggregate, water, and water-reducing agent, characterized in that it is composed of the following components by weight: 48-60 parts of the cementitious material system, which is compounded from 42.5 ordinary Portland cement, 42.5 composite Portland cement, and 42.5R rapid-hardening sulfoaluminate cement in a ratio of (20-60)%: (20-60)%: (5-15)%; 12-20 parts of the composite solid waste admixture, including... The material is composed of lithium slag powder, metakaolin, titanium slag powder, limestone powder, and steel slag powder, with a mass ratio of (20-40)%: (10-20)%: (17-25)%: (10-18)%: (10-23)%; 18-25 parts of aggregate, including continuously graded sand (0-4.75mm) composed of spherical steel slag sand and titanium slag aggregate; 17-23 parts of water; and 0.2-0.5 parts of water-reducing agent. This invention solves the problems of insufficient early strength, high cost, large loss of fluidity, and dependence on admixtures for expansion in existing grouting repair materials.

The invention discloses a dust collector, which relates to the field of dust collectors, comprises a main body structure, and is characterized in that a primary separation structure, a secondary separation structure and a dust collection cup which are coaxial and detachable are arranged on the main body structure, the dust collection cup sleeves the outer side of the primary separation structure, and a cyclone separation cavity is formed between the dust collection cup and the primary separation structure; the secondary separation structure is provided with an air inlet channel, an inlet of the air inlet channel is detachably connected with an air inlet pipe, the air inlet structure is provided with an air inlet channel communicated with the air inlet channel, and an outlet of the air inlet channel is tangent to the cyclone separation cavity, so that dirty air enters the air inlet channel through the air inlet pipe and is tangentially discharged into the cyclone separation cavity through the air inlet pipe; the cyclone dust collector is compact in structure, uniform in airflow distribution, capable of avoiding bias flow, beneficial to quickly forming a stable cyclone flow field, improving dust separation efficiency, shortening an air inlet path, reducing airflow turning times and reducing wind resistance and energy loss, and the overall structure is convenient to disassemble, assemble, clean and maintain.

The utility model provides a centrifugal blood separation test tube rack and a centrifugal blood separation device, and relates to the technical field of blood centrifugation. The centrifugal blood separation test tube rack comprises a main rack body, a movable cover and a plurality of test tube sleeves, the main frame body is arranged in the centrifugal cavity and is in transmission connection with the centrifugal driving unit so as to rotate under the driving action of the centrifugal driving unit; a movable cavity is formed in the main frame body; the movable cover is detachably connected with the main frame body, and the movable cover is provided with a plurality of rotating grooves; each test tube sleeve is rotatably connected to one rotating groove, part of the test tube sleeve is accommodated in the movable cavity, and each test tube sleeve is used for sleeving one separation test tube; and the test tube sleeve is tangent to the movable cover relative to the rotating axis direction of the rotating groove. The centrifugal blood separation test tube rack is simple in structure, flexible and convenient to operate, good in universality, wide in application range and beneficial to reduction of centrifugal treatment cost and improvement of centrifugal treatment efficiency.

The present application relates to the field of praseodymium neodymium oxide production, and particularly relates to an emulsate processing device for extracting praseodymium neodymium oxide of rare earth, which comprises a shell, a centrifugal cylinder and a collecting cylinder. A side outlet hole is arranged on the side wall of the centrifugal cylinder, and the side outlet hole is arranged along the radial direction of the centrifugal cylinder. There are multiple side outlet holes, which are distributed at intervals along the height direction of the centrifugal cylinder. The end of the side outlet hole is provided with a sealing plate, and the sealing plate can move along the axial direction of the side outlet hole to control the opening and closing of the side outlet hole. The sealing plate is matched with an elastic member, and the elastic member is used to drive the sealing plate to be attached to the end of the side outlet hole to close the side outlet hole. The collecting cylinder is arranged on the outer side wall of the centrifugal cylinder, and the collecting cylinder covers the side outlet hole to collect the material flowing out of the side outlet hole. Along the direction from top to bottom of the centrifugal cylinder, the elastic force of the elastic member in the side outlet hole at different heights increases. It can effectively improve the centrifugal processing efficiency, simplify the operation, reduce the possibility of liquid splashing, and improve the stability of the centrifugal processing.

The utility model belongs to the technical field of explosion -proof centrifuge, and disclose a kind of explosion -proof flat plate hanging bag type centrifuge, including cylinder, the inside fixed setting of cylinder is provided with fixed column, the inside fixed setting of fixed column is provided with, the outside of the described is provided with power component, the power component includes motor fixedly set in bottom, the main shaft outside fixed setting of motor is provided with rotary disc, the top surface of rotary disc is provided with multiple arc grooves, arc groove's inside movably provided with movable shaft, the bottom surface fixed setting of movable shaft is provided with connecting shaft, and connecting shaft penetrates fixed column, by above -mentioned scheme, it has solved the problem that hanging bag is caused with centrifuge inside gap and leads to dynamic unbalance, improved the safety of centrifugal force when using, protected its internal components, also improved the efficiency of centrifugation, indirectly reduced economic loss.

The utility model discloses a centrifugal machine, and relates to the technical field of centrifugal machines. Comprising a mounting base used for being connected with a centrifugal machine body. The bearing seat is vertically and fixedly connected to the bottom of the mounting seat; the transmission shaft penetrates through the bearing seat and the mounting seat, the transmission shaft is rotationally connected with the bearing seat and the mounting seat, and the top end of the transmission shaft is higher than the top of the mounting seat; the rotating seat is arranged at the top of the transmission shaft, and the rotating seat is fixedly connected with the transmission shaft; the number of the follow-up blocks is two, the two follow-up blocks are arranged at the two ends of the rotating seat, and included angles are formed between the follow-up blocks and the rotating seat; the rotating disc is arranged on the follow-up block, the rotating disc is rotationally connected with the follow-up block, and a follow-up shaft is fixedly inserted into the axis of the rotating disc; the follow-up shaft is in transmission connection with the transmission shaft through the transmission mechanism, and the follow-up shaft and the transmission shaft rotate synchronously.

The utility model relates to centrifugal technical field, concretely is a propolis extraction centrifugal device, including the organism, the lower surface fixed connection of organism has the first motor, the output fixed connection of first motor has the clamping seat, the upper surface clamping connection of clamping seat has centrifugal net, the inner wall sliding connection of organism has the scraping mechanism, the scraping mechanism includes the moving ring, the mounting frame and spring, moving ring sliding connection is in the inner wall of organism, the mounting frame fixed connection is in the outer surface of moving ring, in the utility model, while not affecting centrifugal net rotation, avoid centrifugal net to move upward, guarantee the stability of clamping connection, when moving ring is in the upper end time, the scraping plate and the blocking ring contact, make scraping plate retract in mounting frame, avoid scraping plate when centrifugal net high -speed operation and centrifugal net contact, make the device have the cleaning ability while avoiding aggravating the wear and tear of centrifugal net, prolong the service life of device.

The utility model belongs to reagent pretreatment pipe technical field, specifically speaking, it is a reagent pretreatment pipe convenient to quick centrifugal, including reagent pipe, still include: cross bar, fixed mounting in reagent pipe, and the both sides of cross bar still have gap with reagent pipe inner wall, the inside of cross bar is provided with the sliding slot of the sliding bar sliding, the inner wall of sliding slot is fixedly installed with the gasket that is in line with sliding bar, through the structure of design, make the anticoagulant can be mixed with blood gently fast, let anticoagulant and blood contact fully to prevent blood clotting, and the structure of the application design need not to traditional mixing adopt multiple times to overturn mode, thereby need not to rely on operator's " subjective control ", effectively avoided because the upper blood still not contact anticoagulant, lead to the phenomenon of partial blood coagulation to appear.

The utility model belongs to nanometer material recovery technical field, concretely relates to a kind of processing system of superfine metal powder from liquid phase recovery. The processing system includes homogeneous pool, concentration tank, ultrafiltration filtering device, centrifugal device. In the processing system provided in the utility model, mother liquor enters concentration tank after being pumped into ultrafiltration filtering device by first circulating pump and is treated, and concentrated solution containing metal powder is returned to concentration tank, so the concentration of metal powder in concentration tank is constantly increasing, when reaching a certain degree, liquid in concentration tank enters centrifugal device and is separated to obtain metal powder and centrifugal clear liquid, the recovery rate of superfine metal powder in liquid phase is ≧99%, and only ultrafiltration filtering is discharged in the whole process Permeate, and the total silver content of permeate is ≦0.1mg / L, water recovery rate is ≧99%, compared with natural sedimentation or other filtration+drying recovery method, metal recovery rate is high, and the efficiency of centrifugal separation is higher, and operating cost is lower.

This utility model relates to a scraper unloading device for a centrifuge. The technical solution is as follows: A centrifuge is included, and a fixed block inclined to the left is installed on the top cover of the left side of the feeding cylinder of the centrifuge. A scraper mechanism is rotatably inserted into the middle opening of the fixed block through a built-in bearing. The scraper mechanism includes a rotating tube extending into the inner side of the left side wall of the rotating drum. A scraper is fixedly connected to the left side wall of the rotating tube. Several spray holes are evenly opened from top to bottom on both sides of the connection between the rotating tube and the scraper. A rotating sealing joint is connected to the top end of the rotating tube. The liquid inlet pipe on the left side of the rotating sealing joint is connected to the liquid outlet of a water pump. The lower part of the water pump is mounted on the fixed block through a first U-shaped bracket. The rotating tube is driven by a drive mechanism mounted on the right side of the fixed block. The beneficial effects of this utility model are: reduced scraping blind spots and residue, automatic rinsing, and improved unloading efficiency.

The utility model belongs to the technical field of dehydration treatment, and particularly relates to a dehydration tank which comprises a machine body, a dehydration mechanism mounting groove and a driving mechanism mounting groove, a cover body capable of being opened and closed is arranged at the top of the dehydration mechanism mounting groove, a feeding opening is formed in the cover body, and the size of the feeding opening is smaller than that of a dehydration mechanism; the driving mechanism is mounted in the driving mechanism mounting groove and used for driving the dewatering mechanism to rotate; and the dewatering mechanism is rotationally installed in the dewatering mechanism installation groove and used for conducting centrifugal dewatering on the internal materials, and the dewatering mechanism installation groove is provided with a water outlet.