24results about How to "Extended retention time" patented technology

The present application relates to wastewater aeration technical field, specifically disclose a kind of aeration device for wastewater treatment, including: split piece one, split piece two and driving part, split piece one includes the split net of being able to intercept large bubble, split net is installed in aeration tank, split piece two includes the brush part one and brush part two rotationally connected in aeration tank, driving part is connected on aeration tank, driving part can drive brush part one and brush part two reverse rotation, to split into small bubble with large bubble, brush part one and brush part two are all in contact with split net, to make brush part one and brush part two can exert pressure to the large bubble that split net intercepts, to make large bubble pass through split net and split into small bubble;The aeration device for wastewater treatment of the present application can improve the aeration efficiency of wastewater, while through brush part one, brush part two and split net can extend the residence time of bubble in wastewater, further improve the aeration efficiency of wastewater.

The utility model provides a kind of multiple combination sealing type roller chain, belong to roller chain technical field.It includes pin shaft and respectively the outer chain plate of being set in the both ends of pin shaft, bushing is set in pin shaft, bushing both ends are respectively set with inner chain plate, roller is set in bushing, clearance fit is formed with lubricating portion between pin shaft and bushing, oil supply path is equipped in pin shaft with lubricating portion intercommunication, bushing both ends are respectively equipped with combination sealing assembly, combination sealing assembly includes the first sealing structure being arranged between bushing and outer chain plate, second sealing structure is also equipped between outer chain plate and inner chain plate outside the first sealing structure side.Lots of sealing structures form multiple sealing barrier in bushing end portion, ensure that can effectively block particle impurity and seawater penetration, can effectively prolong the retention time of lubricating oil, significantly improve the sealing effect and sealing life of bushing end portion.

The present application relates to a kind of welding rod drying equipment technical field, specifically a kind of equipment for the technical core wire of welding rod is dried using electromagnetic heating, comprising: drying box, be provided with feeding assembly and discharging assembly on drying box, feeding assembly can be input into drying box to welding rod, discharging assembly can be transferred to welding rod in drying box outside drying box;Reciprocal return assembly is also provided in drying box, reciprocal return assembly can be supported welding rod input into drying box by feeding assembly, and drive welding rod to reciprocate in drying box and move, to extend the residence time of welding rod in drying box, in turn improve the drying rate of welding rod;It also includes air-drying component, air-drying component is arranged in drying box, including the blower that is rotatably installed in drying box, blower is connected with feeding assembly by deflection component, when feeding assembly act, deflection component can drive blower to deflect relative to drying box, to accelerate the drying speed of welding rod.

The utility model relates to the technical field of atmospheric desulfurization, and particularly discloses atmospheric desulfurization equipment. The desulfurization device comprises a treatment tank, an exhaust pipe fixedly mounted on the treatment tank, an air suction and supply fan for conveying air to be desulfurized into the treatment tank, a first desulfurization component arranged in the treatment tank, and a baffle fixedly mounted on the treatment tank. According to the atmospheric desulfurization equipment disclosed by the utility model, when air is subjected to desulfurization treatment, as the lower partition plate and the upper partition plate are arranged in an up-and-down staggered manner, air to be treated enters the desulfurization filler to be subjected to falling treatment, the contact time between the air and the desulfurization filler can be prolonged; air flows through an S-shaped channel formed between the second flow guide plate and the two first flow guide plates, so that the air is in multiple contact with the atomized desulfurization liquid, the retention time of the atmosphere in the treatment tank is prolonged, the desulfurization effect is improved, and harmful dust in the air is purified.

The application discloses a kind of nanocomposite hydrogel for treating osteoarthritis and its preparation method and application, the nanocomposite hydrogel includes cerium dioxide nanoparticles, the cerium dioxide nanoparticles are modified with hyaluronic acid;Ergothioneine is loaded on hyaluronic acid modified cerium dioxide nanoparticles to form nanocomposite EGT-CeO2@HA;And temperature-sensitive hydrogel carrier, the nanocomposite EGT-CeO2@HA is uniformly dispersed in the temperature-sensitive hydrogel carrier.This composite hydrogel can activate ATF4-dependent pro-survival autophagy pathway, reduce cartilage cell inflammatory damage, and improve cartilage degeneration.

The present application relates to the technical field of water body bacteria inactivation, and particularly relates to a bacteria inactivation method based on micro-nano bubble ozone synergistic reaction, comprising the following steps: mixing and conveying ozone gas dissolved water and initial sewage to a front reactor to output as dissolved air sewage; conveying the dissolved air sewage to a reaction tank; obtaining the pressure of a plurality of pressure sampling positions of a conveying pipeline conveying the dissolved air sewage; determining the merging state of micro-nano bubbles in the conveying pipeline; determining an abnormal area in the merging state of the micro-nano bubbles; determining the bubble merging amount of the abnormal area based on the obtained conveying pipeline pressure of the position where the connecting port is located and the average pressure in the conveying pipeline behind the connecting port; determining the dosing amount of alkaline substances and the replenishment amount of the dissolved air water; and continuously conveying the dissolved air sewage from the front reactor to the reaction tank to complete the bacteria inactivation operation, so that the cavitation effect of ozone micro-nano bubbles is strengthened and the solubility of ozone in water is improved.

The utility model relates to an esterification kettle condenser belongs to the technical field of condensing equipment, including condenser shell, raw material storage tank, the outside of raw material storage tank is equipped with preheating jacket, and the condenser shell includes two end head boards, and the both end head boards are connected with condensing cylinder through flange, and the upper and lower end inner walls of condensing cylinder are fixed with upper hole plate and lower hole plate respectively, and the lower part of upper hole plate is equipped with middle hole plate, and the upper hole plate is equipped with condensing pipe, and condensing pipe is covered with condensing outer sleeve pipe, and the bottom of lower part's end head board is equipped with condensing liquid outlet pipe, and the middle of lower hole plate is equipped with exhaust pipe, and the upper end head board is equipped with cloth gas pipe of connecting exhaust pipe, and the condensing cylinder is equipped with cooling water inlet pipe, and the condensing cylinder below middle hole plate is equipped with cooling water outlet pipe of connecting preheating import. The utility model increases the retention time of steam in the condenser, increases the condensing effect, and the heat recovery use of the heat energy of the cooling water after heat exchange can be carried out through the cooling water outlet pipe and be input into the preheating import of preheating jacket, saves the energy source.

This invention relates to the field of tobacco processing technology, and particularly to a sweet-scented granular tobacco stem and its processing technology. The processing technology includes the following steps: S1, Preparation of coarse granular tobacco stem: The tobacco stem raw materials are screened by size, washed, stored, pressed, cut once, and cut twice to obtain coarse granular tobacco stem; S2, Popping the stem in a popcorn machine: The coarse granular tobacco stem is fed into a popcorn machine for roasting, kept warm and pressurized, and then quickly depressurized to normal pressure to obtain granular tobacco stem with a uniform microporous structure; sieving; S3, Flavoring the tobacco stem: The sieved granular tobacco stem is fed into a roasting equipment, a natural sweetener is added, and roasting is performed, controlling the moisture content between 12-14%, to obtain the finished sweet-scented granular tobacco stem. The sweet-scented granular tobacco stem obtained by this invention has a regular and uniform shape, rich flavor layers, and a long aroma retention time. The overall quality of the tobacco stem is significantly improved, and it can be effectively applied to cigarette production to enhance the competitiveness of cigarette products.

This application relates to a live streaming interaction method, apparatus, live streaming system, electronic device, and computer-readable storage medium in a live streaming room. The method includes: in response to a viewer's operation of entering a recommended channel to watch a live stream, loading and displaying a live streaming aggregation interface of the recommended channel from a live streaming server; obtaining multiple recommended anchors issued by the live streaming server, and displaying a switchable live streaming room of a main anchor and the live streaming room covers of each recommended anchor on the live streaming aggregation interface; receiving the live streaming content of the main anchor's live streaming room forwarded by the live streaming server and displaying it on the live streaming aggregation interface; in response to a viewer's operation of interacting with the main anchor on the live streaming aggregation interface, executing the live streaming interaction between the main anchor and the viewer, and synchronizing the interactive content generated by the live streaming interaction on the recommended channel to the main anchor's live streaming room. This technical solution increases the number of followers of recommended anchors and increases the daily active users of the live streaming platform.

The utility model discloses a flue gas heat energy recovery device with a purification function, which relates to the technical field of flue gas waste heat purification and recovery and comprises a waste heat recovery frame, a purification cylinder for extracting flue gas is assembled at the top of the waste heat recovery frame, and the waste heat recovery frame comprises a frame body fixedly connected to the bottom of the purification cylinder. A bottom plate with the middle protruding is fixed in the frame body, and L-shaped plates fixed to the front inner wall and the rear inner wall of the waste heat recovery frame are arranged on the two sets of inclined tops of the bottom plate. The flow speed of the water body is reduced through the heat exchange assembly, heat in smoke is fully transferred into the water body in cooperation with the smoke flowing in the S-shaped track in the unit space, the indirect contact area of the smoke and the water body is increased through the arrangement of the flow dividing pipe, and under the limitation of the blocking piece, the heat in the smoke is fully transferred into the water body. And the time for storing the flue gas in each group of unit space is prolonged, so that the recovery efficiency of the waste heat in the flue gas can be improved.

This utility model relates to the technical field of energy recovery, and in particular to a waste heat recovery device for magnesium sulfate production, which can store heat for subsequent use and improve energy utilization efficiency; it includes a heat storage tank, a heat storage component, a plug-in component, a heat utilization component, and a flow guiding component. The heat storage component is installed inside the heat storage tank, the plug-in component is installed on the top of the heat storage tank, the heat utilization component can export and utilize the heat in the heat storage component, and the flow guiding component is installed inside the heat storage tank.

The present invention relates to the field of biomedicine, and more particularly, the present invention relates to a complex of PTH protein or an active fragment thereof and an antibody or a fragment thereof that specifically binds to PTH, and a related use thereof in disease treatment.

This invention relates to the field of desulfurization technology for reclaimed rubber, specifically a desulfurization treatment device and method for waste tire reclaimed rubber, comprising: a treatment tank, on which a gas guide pipe is installed, the gas guide pipe having an "L"-shaped structure; a support arm, connected to the gas guide pipe, the support arm having multiple pressure relief ports equidistantly arranged on one side facing the bottom of the treatment tank; a pressure sensing component, connected to the gas guide pipe, the pressure sensing component being able to drive the support arm toward or away from the bottom of the treatment tank according to the pressure in the gas guide pipe; a guide plate, disposed in the treatment tank and cooperating with the pressure relief ports, enabling the gas and liquid in the treatment tank to rotate; and a linkage component, connecting the pressure sensing component and the guide plate, the linkage component being able to drive the guide plate to rotate to change its deflection angle when the pressure in the gas guide pipe changes, thereby increasing the retention time of the waste gas in the purification liquid and improving the treatment effect.

The utility model discloses a mini midline catheter, which relates to the technical field of medical instruments and comprises a catheter sheath, an expansion sheath and a protective sleeve, the catheter sheath comprises a catheter joint, a protective sleeve and an implantation catheter, the expansion sheath comprises an expansion joint, a locking ring and an expansion catheter, the catheter sheath is wrapped outside the expansion sheath, and the protective sleeve is sleeved outside the expansion sheath. The implantation catheter is wrapped outside the expansion catheter, the length of the expansion catheter is larger than that of the implantation catheter, the catheter connector is connected with the locking ring Luer, and the implantation catheter is made of a material with the biological risk assessment end point reaching the long-term or lasting contact level of circulating blood externally connected into a medical device. The dilation catheter and the dilation joint are connected through an injection molding and rubber coating process, and the implantation catheter and the catheter joint are connected through an injection molding and rubber coating process. The mini midline catheter is convenient, accurate and safe to operate, and the infusion time is prolonged compared with an indwelling needle scheme.

This application relates to the field of lithium hexafluorophosphate production technology, specifically disclosing a high-efficiency reactor for lithium hexafluorophosphate production. The reactor includes a reactor body and a stirring shaft positioned at the center of the reactor body. A motor is fixedly connected to the top of the stirring shaft. A circular opening is formed at the center of the top of the reactor body, and a flange seal connects to an air inlet cylinder extending into the reactor body. A channel is formed at the center of the top of the air inlet cylinder, through which the stirring shaft extends into the bottom of the reactor body, forming an air inlet chamber between the stirring shaft and the air inlet cylinder. An air inlet pipe is provided at the top of the reactor body, extending into the reactor body, with its end penetrating the air inlet cylinder and communicating with the air inlet chamber. Gas is transported from top to bottom along the air inlet chamber into the reactor to participate in the reaction, resulting in a long residence time of the reactant gas in the reactor, thus ensuring that most of the gas participates in the reaction and improving reaction efficiency.

The invention discloses gas-containing soda water and a preparation method thereof, and relates to the technical field of food beverages, the gas-containing soda water comprises the following components by mass: 0.1%-1.5% of silver birch juice, 0.01%-0.1% of baking soda, 0.00001%-0.0001% of a licorice extract, 0.005%-0.1% of a lemon extract and the balance of water, and the gas-containing soda water has a carbon dioxide gas capacity (20 DEG C) of 3.0-4.2 times. According to the gas-containing soda water provided by the invention, the four components are combined and added into the gas-containing soda water, so that the gas-containing soda water has more bubbles, the sizes of the bubbles can be changed, the bubbles become more stable and firm, the retention time of the bubbles in an oral cavity is prolonged, the gas loss rate is remarkably reduced, and the taste is stronger. In addition, the combination of the components can also significantly improve the overall taste and flavor of the gas-containing soda water, so that the gas-containing soda water becomes softer, richer and more durable.

The utility model relates to the paint storage technology field for coating processing, specifically relates to a paint storage device for coating processing, including sleeve, the inside of sleeve is equipped with rectangular groove, the utility model passes through screw thread connection sleeve to top cover, the annular press cover of top cover bottom is down-pressing and is pasted in the top port department of storage bin, indirectly fixes to storage bin, prevents the up and down slide of storage bin, through the detachable setting of storage bin, when the different paint is stored, it is convenient to take out and replace or clean, and when paint storage, the gas below thirty degrees Celsius higher than ten degrees Celsius can be entered through the air inlet pipe and is discharged through the air outlet pipe, the paint in storage bin is cooled, avoids the water -based paint low temperature condensation or high temperature volatilization because of high temperature weather, through the bolt push -down pressure ring, the extrusion of sealing washer is carried out, makes sealing washer better and tightly fixed groove and storage bin top, plays better sealing effect.

The application discloses injectable long-acting collagen and a preparation method and application thereof, and belongs to the technical field of collagen preparation. The application solves the problems of rapid degradation and insufficient mechanical property of collagen after injection into the body, and the problem of inability to have biological safety, good biological activity and injectability. The long-acting collagen is prepared by taking methoxypolyethylene glycol active ester and collagen as raw materials. Amide reaction is caused between the methoxypolyethylene glycol active ester and lysine residues on the collagen, hydrophilic PEG is introduced on the surface of the collagen, a hydration layer is formed, biological enzymes are hindered from contacting the collagen, collagen degradation is delayed, and the single-arm structure of the methoxypolyethylene glycol active ester can avoid product agglomeration and abnormal viscosity caused by excessive cross-linking. The long-acting collagen has a long retention time in the body, has no obvious cytotoxicity, has high biological safety, and maintains cell proliferation, migration and adhesion activity and biological repair functions.

This invention relates to the field of traditional Chinese medicine preparation technology, specifically to a blood-activating and meridian-clearing traditional Chinese medicine composition with agarwood as the principal ingredient. The composition comprises the following raw materials in parts by weight: 5-15 parts modified agarwood complex, 40-60 parts compound extract powder, 1-3 parts broken-cell-wall scorpion powder, 20-50 parts filler, and 0.5-2 parts lubricant. This invention improves the efficient release of the effective components of agarwood as the principal ingredient by using the modified agarwood complex, ensuring the stability of the core efficacy of agarwood and extending the retention time of its core components. The addition of compound extract powder scientifically combines blood-activating and blood-nourishing herbs, ensuring powerful meridian clearing while replenishing qi and blood, reducing the side effects of long-term medication, and improving patient safety. The broken-cell-wall scorpion powder reduces the risk of sensitization and poisoning, breaking the cell walls of the scorpion to fully release the core analgesic peptides and antithrombotic peptides, thus improving gastrointestinal absorption efficiency.

The utility model discloses a double -segment type star extinguisher, specifically related to the technical field of star extinguisher, including the jar body, the one end fixedly connected with the air inlet pipe of jar body, the other end fixedly connected with the air outlet pipe of jar body, the inside of jar body is provided with double -segment shunt mechanism, double -segment shunt mechanism includes two baffle no.

This invention belongs to the field of fuel cell thermal management technology, and particularly relates to a battery cooling system and its control method based on a microtube bundle heat exchanger and countercurrent collision jet atomization. The system includes: a fuel cell stack, a microtube bundle heat exchanger connected to the fuel cell stack via a coolant circulation loop, a cathode drainage recovery unit, and a countercurrent collision jet atomization unit comprising a fan and an atomizing spray module. The fan, atomizing spray module, and microtube bundle heat exchanger are arranged sequentially. The airflow direction generated by the fan rotation and the direction of the water mist sprayed by the atomizing spray module are opposite to each other, so that the water mist sprayed by the atomizing spray module initially moves towards the direction of the fan. After its speed decreases to zero, it is driven by the airflow generated by the fan to move in the opposite direction and flows through the gaps within the microtube bundle heat exchanger, serving as shell-side fluid to cool the tube-side fluid within the microtube bundle heat exchanger.

The application is suitable for the technical field of soil improvement, and provides a salt discharging rotary tillage equipment for saline-alkali soil improvement, which comprises a rotary tillage support, a mounting seat, a soil crushing harrow, a harrow head, a storage box and a hydraulic motor, the mounting seat is installed on the rotary tillage support, the soil crushing harrow is installed in the middle part of the mounting seat, the harrow head is installed at the bottom of the soil crushing harrow, the storage box is installed on the side wall of the soil crushing harrow, the hydraulic motor is installed on the side wall of the storage box, and the equipment further comprises a digging assembly installed in the interior of the storage box and used for digging the soil in the shallow layer of the saline-alkali soil, and a clearing assembly arranged in the interior of the storage box and used for pushing the gravel in the groove of the saline-alkali soil to the two sides; the application has the beneficial effects that the ground on the two sides of the groove is compacted in the turning process through the partition plate, so that the soil layers on the two sides of the groove are more compacted and not easy to collapse, the time for the groove to be left after excavation can be effectively prolonged, and the frequency of the operation personnel to carry out the digging operation is reduced.

The utility model discloses a drying device of even heating for traditional chinese medicine processing, including support frame, support frame rotation sets up upper drive link and lower connecting rod, both connection and drive the rotation of the inclined drying box. The frame is sleeved on the drying box, and the frame is connected with the slide bar through the rotating shaft, the slide bar slides on the vertical slide, and is assisted by the power assembly, guarantees the stable rotation of drying box. The drying box is provided with detachable door panel to facilitate traditional chinese medicine taking and placing. The hot -blast machine sends hot -blast to the drying box through the lower connecting rod, and the guide plate in the lower connecting cover optimizes the hot -blast path, and the upper connecting cover is provided with narrow small ventilation groove and slows down the hot -blast exhaust speed, and the drying box is provided with filter screen and prevents traditional chinese medicine accumulation. The device solves the problems of uneven drying, poor equipment stability, inconvenient operation and heat energy waste of traditional drying device, improves traditional chinese medicine drying quality and efficiency, realizes energy -conserving and stable operation.

The utility model provides a kind of asphalt softening stirring device for bridge construction, it is related to asphalt processing technical field, including base, base top end is provided with electric annular turntable, electric annular turntable drive ring inside is provided with softening stirring mechanism, softening stirring mechanism is used to store asphalt and stirring auxiliary material;Softening stirring mechanism feed inlet one end is provided with heating mechanism, the utility model can be matched with the drainage hole of inner wall of inner tank feed inlet between outer tank and inner tank airflow cavity, when being sprayed fire heating to inner tank inside, the airflow generated makes the drainage hole produce negative pressure, and then extract airflow cavity internal gas flow, hot air flow enters airflow cavity inside from inner tank discharge port side, the heating temperature of the outer wall of inner tank is carried out, reduce the temperature difference in inner tank, improve the effect of asphalt softening mixing.