467results about How to "Extended stay" patented technology

This invention relates to the field of biopharmaceutical technology, providing a self-assembled peptide-rhein conjugate, its formulation, preparation method, and applications. The MMP-9-responsive self-assembled peptide-rhein conjugate of this invention, with the sequence Rhein-GFFPLGLAGACE, can respond to abnormally activated MMP-9 in atherosclerotic plaques, self-assembling in situ into a stable nanofiber structure at the lesion site. The rhein in this conjugate exhibits significant anti-inflammatory and antioxidant functions, but its water solubility and oral bioavailability are low. These are significantly improved after conjugation with the peptide, achieving targeted delivery and prolonging retention time. The introduction of the tripeptide ACE, which mimics the function of glutathione, further enhances the conjugate's ability to resist oxidative stress. Furthermore, this conjugate exhibits excellent anti-inflammatory and antioxidant effects, scavenging ROS, inhibiting inflammatory pathways, regulating macrophage phenotype, and inhibiting apoptosis, providing a new strategy for the treatment of atherosclerosis.

The biomass particle hot blast stove comprises a stove body, a feeding assembly, a combustion assembly, a heat exchange assembly and a smoke exhaust assembly. The combustion assembly is arranged in the furnace body, a combustion chamber of the combustion assembly is sequentially divided into a drying pyrolysis area, a main combustion area and a burnout area in the conveying direction of biomass particles, and ordered partitioned combustion of preheating, sufficient combustion and complete burnout of fuel is achieved; the heat exchange assembly comprises a first heat exchange set arranged above the combustion assembly and a second heat exchange set arranged in the circumferential direction of the combustion assembly, and a three-dimensional and multi-layer waste heat recovery structure is formed. The combustion efficiency and the burn-off rate of the biomass particles are obviously improved; through the first heat exchange set and the second heat exchange set, efficient and sufficient recovery of combustion waste heat is achieved, and the overall heat efficiency and the energy utilization rate of the hot blast stove are greatly improved.

The utility model discloses a square slide frame sludge bunker belongs to sludge bunker technical field, including the warehouse body, the side edge lower extreme of warehouse body is installed with the discharge port, and the other side of warehouse body is provided with the two -way hydraulic lock, and the side edge of two -way hydraulic lock is connected with the cleaning assembly, and the both ends of two -way hydraulic lock are connected with the closing plate, and the upper end of closing plate is provided with the partition component, and the inside of warehouse body is provided with the discharge component, the utility model sets up the cleaning assembly, and the slide moves on the electric slide rail, and the cleaning brush moves to the top of warehouse body and stops, and the first one -way hydraulic lock elongation makes the cleaning brush enter the warehouse body, and the slide moves and drives the cleaning brush to move, and the cleaning brush cleans the inner wall of warehouse body, and after cleaning, the slide drives the cleaning brush to move to the top of cleaning water tank, and the first one -way hydraulic lock telescopic drives the cleaning brush to move up and down in the cleaning water tank, and the cleaning liquid in the cleaning water tank cleans the cleaning brush, and the cleaning brush is convenient for the inner wall cleaning operation of warehouse body, and the sewage in the cleaning water tank is discharged from the sewage outlet.

The utility model discloses a perpendicular flow maze grid oil storage formula oil -water separation tank relates to oil -water separation technical field, including container, a plurality of baffle, oil collecting groove and water collecting tank, and the inside of container is equipped with the cavity, a plurality of baffle vertical setting in the cavity, and a plurality of baffle divide the cavity and separate the liquid inlet area, several separation zones and water outlet area that communicate in turn, and liquid can turn back and flow through liquid inlet area, separation zone and water outlet area, and the bottom of separation zone and water outlet area communicates, oil collecting groove sets up in the upper portion of separation zone, and overflow communication between oil collecting groove and separation zone, water collecting tank sets up in the upper portion of water outlet area, and overflow communication between water collecting tank and water outlet area, wherein, the overflow liquid level between oil collecting groove and separation zone is higher than the overflow liquid level between water collecting tank and water outlet area, the perpendicular flow maze grid oil storage formula oil -water separation tank of the utility model can improve the separation effect of oil -water mixture, and the separated grease is difficult to mix with waste water again.

This utility model discloses a modular electro-oxygen synergistic water treatment device, belonging to the field of industrial water treatment technology. It includes a treatment tank with conduits installed on both sides and electrodes installed on both the front and rear sides. The top of the treatment tank is open and fitted with a cover plate. Multiple positioning holes are provided on the cover plate, with plug plates movably connected within each hole. Multiple slide rails are installed on the front and rear inner walls of the treatment tank, with the same electro-oxygen plate slidably mounted between corresponding two slide rails. Through the positioning holes on the cover plate and the movable plug plates, combined with a unique clamping mechanism, rapid installation and removal of the electro-oxygen plate are achieved. Operators only need to rotate a screw to drive a wedge-shaped top plate, which can then clamp or release the electro-oxygen plate via two insulating clamps. Replacement can be completed without tools, greatly improving maintenance efficiency and operational convenience.

The utility model relates to the technical field of air conditioners, in particular to an intelligent air conditioner heat exchange device with an efficient heat recovery function. The utility model provides an intelligent air conditioner heat exchange device capable of efficiently recovering heat, which can absorb the heat of gaseous Freon through water circulation, prolong the retention time of the gaseous Freon, ensure that more heat is effectively taken away, and improve the heat recovery efficiency. An intelligent air conditioner heat exchange device with an efficient heat recovery function comprises a bottom frame, an outer cylinder and the like, and the outer cylinder is connected to the front portion of the bottom frame. According to the utility model, gaseous Freon enters the second isolation cylinder after passing through the first isolation cylinder at the right part and enters the left area of the outer cylinder after passing through the first isolation cylinder at the left part, and heat on the gaseous Freon is absorbed by water in the circulating water pipe; the effects that the staying time of the gaseous Freon can be prolonged while the heat of the gaseous Freon is absorbed through water circulation, it is ensured that more heat is effectively taken away, and the heat recovery efficiency is improved are achieved.

The utility model belongs to the technical field of waste heat utilization equipment, and particularly relates to a waste heat boiler which comprises a waste heat boiler body and supporting legs, a waste heat recovery structure is arranged above the waste heat boiler body and comprises a filtering mechanism and a recovery mechanism, and the filtering mechanism comprises a supporting plate, a gas guide pipe, an installation plate, a fixing plate and a rotating rod. The top of the supporting plate is connected with the bottom of the recycling box, one end of the waste heat boiler communicates with one end of the gas guide pipe, and the two ends of the mounting plate are connected with the inner wall of the recycling box. According to the waste heat boiler, after flue gas enters the recycling bin, the flow speed is reduced, the retention time is prolonged, the filter screen can effectively intercept solid impurities in the flue gas, pollutant emission is reduced, environmental pollution is avoided, impurities accumulated on the surface of the filter screen can be automatically removed, blocking is prevented, and the filtering efficiency is maintained; and meanwhile, the filter screen can be quickly and conveniently disassembled and assembled, and the working efficiency of the waste heat boiler is improved.

This invention relates to the field of waste gas treatment technology, and discloses a centralized waste gas purification device and process for industrial smelting production. The centralized waste gas purification device for industrial smelting production includes a settling chamber shell. A rectangular frame is arranged above the dust collection hopper of the settling chamber shell. Multiple dust collection plates are horizontally and linearly distributed at equal intervals within the rectangular frame. A movable plate is arranged between adjacent dust collection plates. Multiple air guides are vertically arranged at equal intervals on both sides of the movable plate. Driving components are installed on both sides of the settling chamber shell. The inclined air guides forcibly change the airflow direction and extend the flow path. On the one hand, this increases the residence time of particles, which is beneficial for large particles to escape the airflow and fall into the dust collection hopper. On the other hand, it drives small dust particles to move to the vicinity of the dust collection plates, where the electret material of the dust collection plates can adsorb the small dust particles.

The application discloses a micro-bubble stripping device and application thereof in ammonia-nitrogen wastewater treatment. The device comprises a micro-bubble dispersion device, an absorption device and a gas-liquid separation device which are connected by pipelines in sequence. The micro-bubble dispersion device is filled with Janus hollow fiber membranes. The inner diameter of the Janus hollow fiber membranes is 0.1-2.0 mm, the wall thickness is 0.05-0.6 mm, the pore size is 0.05-2.0 um, the water contact angle of the hydrophilic layer is less than 65 DEG, and the water contact angle of the hydrophobic layer is greater than 110 DEG. Air is dispersed into micro-bubbles and contacted with ammonia-nitrogen wastewater. The micro-bubbles have the advantages of large specific surface area, high mass transfer efficiency and long gas-liquid contact time, so that the mass transfer of ammonia-nitrogen in water to gas phase is strengthened, the gas-liquid ratio is reduced, the energy consumption in the stripping process is reduced, and the equipment investment and operation cost in the stripping process are reduced.

The application relates to the technical field of waste heat recovery, in particular to a waste heat recovery type gas-water cooler which comprises a shell, the shell is horizontally arranged, the inner cavity of the shell is divided into a hot water cavity, a heat exchange cavity and a cooling water cavity by a water chamber partition plate, and the hot water cavity, the heat exchange cavity and the cooling water cavity are sequentially arranged along the length direction of the inner cavity of the shell; a gas inlet and a gas outlet are respectively arranged at the top of the heat exchange cavity, the gas inlet is used for receiving medium-low temperature gas, and the gas outlet is used for discharging low temperature gas after heat exchange; a hot water pipe bundle and a cooling water pipe bundle are respectively arranged in the heat exchange cavity, the hot water pipe bundle is communicated with the hot water cavity, and the cooling water pipe bundle is communicated with the cooling water cavity; the hot water pipe bundle is used for recovering gas waste heat, and the cooling water pipe bundle is used for cooling the gas temperature to a required temperature. The waste heat recovery type gas-water cooler provided by the application is convenient for improving the utilization rate of industrial exhaust waste heat.

The present application relates to the field of pharmaceutical preparations, in particular to a long-acting eye composite preparation for improving the symptoms of blepharitis. The preparation comprises a combination of two active ingredients in a therapeutically effective amount, and one or more ion-sensitive polymers or their complex systems, which are used to treat the symptoms of blepharitis caused by Demodex through a special double-cavity drug delivery bottle. By using a specific ion gel matrix concentration and regulating the viscosity of the drug solution before it reaches the eye, the limitations of traditional eye preparations are overcome, the retention time of the drug in the eye is prolonged, the bioavailability is improved, the probability of adverse events is reduced, and the medication compliance is increased.

The utility model belongs to water treatment technical field, specifically discloses a perforated folded plate for sedimentation tank and the sedimentation tank of oblique installation perforated folded plate. The perforated folded plate is the plate -like structure of undulating extension and includes at least three folded plate tops of undulating top end and three folded plate bottoms of undulating bottom end, and the folded plate top of perforated folded plate is adjacent to the folded plate bottom and is provided with a plurality of folded plate holes on or close to the folded plate top. The water inlet and the water outlet of the sedimentation tank are separately arranged in the lower part and the upper part of the pool body, a folded plate support is fixed above the water inlet in the pool body, a plurality of aforementioned perforated folded plates are obliquely arranged on the folded plate support in the pool body, the folded plate top of the perforated folded plate faces upwards and the folded plate bottom faces downwards. The perforated folded plate top of the utility model is provided with the folded plate hole, and the sewage can flow upwards through the folded plate hole, which not only can increase the sedimentation area, but also can realize automatic sludge discharge, has the characteristics of simple structure, wide application range, high sedimentation efficiency and automatic sludge discharge.

The utility model provides commercial gas noodle cooking equipment, which belongs to the technical field of noodle cooking furnaces and comprises a water storage structure, the water storage structure comprises a concave container and a heating mechanism, the heating mechanism can spray high-temperature airflow outwards, an air inlet pipe is arranged at an air outlet of the heating mechanism, the end of the air inlet pipe penetrates through the outer wall of the concave container, and a heating cavity is arranged at the end of the air inlet pipe. High-temperature air flow of the heating mechanism can enter the heating cavity through the air inlet pipe, so that the heating cavity heats the liquid in the concave container; an exhaust assembly is arranged on one side of the heating cavity and can exhaust high-temperature gas in the heating cavity, and meanwhile liquid in the concave container cannot enter the heating cavity; the heating source is not limited to the bottom of the water tank by heating from the inside of the water tank, so that the heating area of the water source is enlarged, water in the water tank can be heated more quickly, and the heating efficiency is improved.

The utility model discloses a quantified discharge rice color sorter which comprises a color sorter body, a feeding frame is arranged on the upper surface of the color sorter body, a rotating rod is rotatably connected in the feeding frame, a plurality of splitter plates are arranged on the circumferential side face of the rotating rod, a servo motor is arranged on one side face of the feeding frame, and the servo motor is connected with the rotating rod. A plurality of flow guide plates are arranged on the two opposite surfaces of the inner wall of the feeding frame, a through groove is formed in one side face of the inner wall of the feeding frame, an intercepting filter screen is arranged in the through groove, and a collecting box is arranged on the side, located on the through groove, of one side face of the feeding frame. Rice to be subjected to color sorting is put into the feeding frame, then the servo motor is started, the feeding servo motor drives the rotating rod to rotate so as to drive the splitter plates connected with the peripheral side face of the rotating rod to rotate synchronously, the splitter plates can stir the rice in the feeding frame when rotating, the looseness of the rice in the feeding frame is better, and the color sorting efficiency is improved. And meanwhile, a plurality of accommodating cavities are formed between the rotating rods and the two adjacent splitter plates.

The utility model relates to a mixed solution layering device which comprises a liquid storage tank and at least two partition plates vertically arranged in the liquid storage tank, a gap is kept between the upper side of each partition plate and the top of the liquid storage tank to form a first circulation channel, and one of the front side and the rear side of each partition plate is connected with the corresponding side wall of the liquid storage tank. A gap is kept between the other partition plate and the corresponding side wall of the liquid storage tank to form a second circulation channel, and the second circulation channels formed by every two adjacent partition plates and the liquid storage tank are arranged in a staggered mode; a liquid inlet is formed in one of the front side and the rear side of the liquid storage tank, a first liquid outlet is formed in the other one, a second liquid outlet is formed in the bottom side of the liquid storage tank, and the liquid inlet and the first liquid outlet are located in the sides, away from each other, of the first partition plate and the tail partition plate respectively. The mixed solution layering device provided by the utility model is provided with a plurality of partition plates, so that the liquid flow impact force is dispersed, and the mixed solution is uniformly distributed; second circulation channels formed by every two adjacent partition plates and the liquid storage tank are arranged in a staggered mode, the flowing path is prolonged, the standing time is prolonged, and layering is sufficient.

The application discloses a cable material particle processing material conveying equipment and relates to the technical field of material conveying. The cable material particle processing material conveying equipment comprises a screening box which is fixedly installed in a working area and is provided with a discharge pipe fixedly connected to the bottom of the screening box. The discharge pipe is used for discharging and collecting fine and unqualified particles separated in the screening process. A plurality of screening components are longitudinally and spacedly arranged in the interior of the screening box and are used for performing step-by-step screening on the input cable material particles so that qualified particles are left in the corresponding levels. The feeding box is communicated with the top of the screening box through the arrangement of the lifting assembly, a closed-loop circulation lifting system of the material is constructed, coarse materials which are not screened or preliminarily separated can be continuously sent to the top screening component for re-screening, the overall screening path and the residence time of the material are effectively prolonged, the probability that the un-screened qualified materials are directly discharged as waste materials is reduced, and thus the overall screening completeness and the product yield of the material are improved.

The application discloses a coal pyrolysis method and device for realizing in-situ ring-enriching modification of tar, and the method is as follows: block coal is pyrolyzed to obtain coal tar, semi-coke and pyrolysis gas; the coal tar and a ring-enriching modifier are subjected to in-situ ring-enriching modification reaction in a coal pyrolysis device under hydrogen to obtain coal tar; the in-situ ring-enriching modification reaction temperature is 200-250 DEG C, and the reaction pressure is 101-120 KPa.The coal tar obtained by the method is rich in polycyclic aromatic hydrocarbons and is suitable for being used as a processing raw material of high-density fuel.The device introduces the ring-enriching modification reaction on the basis of the coal pyrolysis, so that the coal tar is subjected to in-situ ring-enriching modification in the pyrolysis, and the obtained coal tar is more suitable for being used as the processing raw material of the high-density fuel.The pyrolysis device has the characteristics of low cost and low heat loss.

The utility model provides a gas-liquid separation structure and a coffee brewing machine. The gas-liquid separation structure is used for being installed and fixed in a machine body of the coffee brewing machine and comprises a shell and a flow blocking assembly. The shell is used for being installed and fixed in a machine body, a gas-liquid separation cavity is formed in the shell, and a liquid inlet, a liquid outlet and an exhaust port which are communicated with the gas-liquid separation cavity are further formed in the shell; the flow blocking assembly is fixedly installed in the gas-liquid separation cavity and arranged opposite to the liquid inlet, the flow blocking assembly divides the gas-liquid separation cavity into a first slow flow area, a second slow flow area and a third slow flow area which are sequentially communicated, the first slow flow area is located at the first end of the shell and communicated with the liquid inlet and the second slow flow area, and the third slow flow area is located at the second end of the shell and communicated with the liquid inlet and the third slow flow area. The third slow flow area is located at the second end of the shell and communicated with the liquid outlet and the second slow flow area, and the second slow flow area is located between the first slow flow area and the third slow flow area. The gas-liquid separation structure can effectively improve the brewing effect of coffee.

The application relates to the technical field of carbon dioxide mineralization, and particularly discloses a carbon dioxide capture and mineralization integrated test device and method. The device comprises a gas source module, a gas mixing module, a carbon dioxide absorption module and a carbon dioxide mineralization reaction module. The mineralization reaction kettle has a pressure-bearing kettle body and a hollow layer. The mineralization reaction kinetics process is characterized by monitoring the physical and chemical indexes of the reaction system, so that efficient mineralization of carbon dioxide is realized. A gas flow stirring device is arranged in the absorption module. The mixed gas is self-driven to rotate and is dispersed into micro-bubbles, so that the carbon dioxide absorption is strengthened. The device can be switched between the absorption-mineralization circulation loop and the direct mineralization connection state. The device is compatible with wet mineralization, dry mineralization and cementation material carbonization curing functions, and is suitable for carbon dioxide mineral storage and resource utilization research.

The utility model provides glass fiber composite membrane material surface modification equipment which comprises a pool body, a winding device and an unwinding device, the winding device and the unwinding device are arranged on two sides of the pool body, the unwinding device comprises a first washing pool, a soaking pool and a second washing pool, and a plurality of upper guide rollers and a plurality of lower press rollers are arranged in the soaking pool. Each lower pressing roller is respectively arranged below each upper guide roller and is staggered with each upper guide roller; each lower pressing roller is arranged at the bottom in the soaking pool and forms a W shape with the position of each upper guide roller. Compared with the traditional modification equipment, the film material is penetrated into the soaking tank from the washing tank, the lower pressing rollers and the upper guide rollers in the soaking tank are used for guiding the film material, and as the lower pressing rollers and the upper guide rollers are in the W shape in the soaking tank, the film material wound on the lower pressing rollers and the upper guide rollers is also in the W shape, the film material can be uniformly soaked in the soaking tank, and the film material can be uniformly soaked in the soaking tank. Through the arrangement, the standing time and the soaking area of the membrane material in the soaking pool can be effectively increased, and the modification processing efficiency of the membrane material is improved.

The present application relates to the field of steel smelting, and discloses a method for removing inclusions in steel, comprising the following steps: S1, bottom argon blowing is performed on molten steel in a ladle at a first argon blowing flow rate; S2, power ultrasound is applied to the molten steel at a first frequency to refine argon bubbles; S3, power ultrasound is applied to the molten steel at a second frequency lower than the first frequency to promote diffusion of the refined argon bubbles; and S4, bottom argon blowing is performed on the molten steel at a second argon blowing flow rate lower than the first argon blowing flow rate. By refining the size of the argon bubbles and changing the motion trajectory of the argon bubbles, the present application improves the contact probability of the argon bubbles and non-metallic inclusions in the molten steel, and strengthens the removal effect of the non-metallic inclusions by the ladle bottom argon blowing process.

The utility model belongs to the technical field of micro-channel reaction equipment, and particularly discloses a micro-channel reactor which comprises a cooling water pipe, a feeding pipe, a plurality of U-shaped pipes and a discharging pipe, the cooling water pipe is communicated with a plurality of water feeding pipes, each water feeding pipe is communicated with two water feeding branch pipes, the plurality of U-shaped pipes are sequentially communicated in an S shape, and the discharging pipe is communicated with the U-shaped pipes. Each water feeding branch pipe is communicated with the connecting position of the corresponding U-shaped pipe, each U-shaped pipe is composed of a jacketed pipe and an inner pipe, the jacketed pipes are connected to the inner pipes in a sleeved mode, the feeding pipe, the discharging pipe and the U-shaped pipes are all communicated with water return pipes, each water return pipe is provided with a water return thermometer and a water return valve, and the connecting position of each U-shaped pipe is provided with a water feeding thermometer. The micro-channel reactor can effectively improve the reaction uniformity, stabilize the pressure and improve the production safety, the design of the jacketed pipe can effectively reduce heat loss and maintain the heat balance of a reaction system, cooling water enters the multiple branch pipes synchronously, and the stability of the temperature and the pressure of the inner pipe can be maintained.

The utility model discloses a biomass pyrolysis gas catalytic device, and particularly relates to the technical field of biomass pyrolysis, the biomass pyrolysis gas catalytic device comprises a reaction furnace and a heating device, the top of the reaction furnace is provided with a feed port and a gas inlet, and the bottom of the reaction furnace is provided with a discharge port and a gas outlet; a plurality of layers of sealing drawing plates which can slide along the reaction furnace and can be drawn out are arranged on one side surface of the reaction furnace, the sealing drawing plates are used for placing ore catalysts, and the heating device is connected with the reaction furnace and is used for heating the reaction furnace. The deactivated catalyst can be conveniently and quickly replaced, the reaction stability is improved, and the reaction efficiency is improved.

This invention relates to the field of feminine hygiene products, and discloses a feminine hygiene product and its preparation method. The feminine hygiene product is prepared from a functional phase solution, a gel matrix solution, an aqueous lactic acid solution, and an aqueous sodium lactate solution. The functional phase solution is obtained by mixing deionized water, glycerin, fructooligosaccharides, and chitosan quaternary ammonium salt. The chitosan quaternary ammonium salt is obtained by mixing an aqueous acetic acid solution, chitosan, and an aqueous 2,3-epoxypropyltrimethylammonium chloride solution. The gel matrix solution is obtained by mixing deionized water and poloxamer 407 powder. This invention uses poloxamer 407 as a temperature-sensitive gel matrix. When body temperature is reached, the hydrophobic polyoxypropylene segments in its molecules dehydrate and self-assemble to form a three-dimensional network gel structure, thereby transforming the liquid product into a semi-solid gel that can adhere tightly to the mucous membrane, prolonging the action time of the active ingredients.

The utility model discloses a layered and opposite type sinking burner for ladle roasting, including gas pipeline, primary air casing, secondary air casing and tertiary air casing, the upper end of gas pipeline is used for with gas supply pipeline intercommunication and the lower end opening forms gas spout, the gap between primary air casing and gas pipeline forms primary air channel, the gap between secondary air casing and primary air casing forms secondary air channel, the gap between tertiary air casing and secondary air casing forms tertiary air channel, and primary air channel, secondary air channel and tertiary air channel are all used for with preheating combustion air pipeline intercommunication, and the lower end opening of primary air casing forms primary air spout, and the lower end opening of secondary air casing forms secondary air spout, and the lateral wall of tertiary air casing is equipped with a plurality of tertiary air spout. Can guarantee the full mixing of gas and combustion air, and can make full use of the heat of high temperature flue gas, and can carry out effective afterburning treatment to the unburnt component remaining in high temperature flue gas.

A continuous solid-liquid reaction device for gas treatment belongs to the technical field of flue gas desulfurization and manganese resource recovery equipment and comprises more than three reaction kettles which are connected in series through gas guide pipelines, each reaction kettle is provided with a gas inlet pipe joint, a feeding pipe joint, a gas outlet pipe joint and a discharging pipe joint, and a gas distribution device communicated with the gas inlet pipe joint is arranged in each reaction kettle. A stirring device is also arranged; the gas distribution device comprises more than two layers of gas distribution pipes which are communicated through a communication pipeline; a plurality of gas distribution holes are formed in the side walls of the gas distribution pipes; the stirring device comprises more than two layers of stirring paddles, and the stirring paddles are arranged above each layer of gas distribution pipe. The core design of'mixing gas with liquid without mixing 'is adopted, the gas distribution device is combined with stirring, so that gas is uniformly released in a small bubble form, the retention time is prolonged, and multi-stage full utilization of the gas is realized in cooperation with the gas series design. And multi-layer graded gas distribution is matched with layered stirring, so that gas-liquid-solid three-phase contact is sufficient, the reaction is stable, and deposition and short circuit are avoided.

The utility model relates to the technical field of combustion tower discloses a high -efficient heating's resistance heating wire combustion tower, including the tower body, the first baffle is fixedly arranged in the tower body, the inner chamber is fixedly arranged in the upper end of tower body, the air inlet is fixedly arranged in the inner chamber upper end, the second baffle is fixedly arranged in the inner chamber, and the connecting pipe is fixedly arranged in the lower end of one side of inner chamber. In the utility model, the gas enters the inner chamber through the air inlet, and forms the cyclone again under the action of helical second baffle in the inner chamber, prolongs the gas residence time, promotes the incomplete combustion pollutant to continue oxidizing decomposition in the residual high temperature environment, ensures the complete purification, the first baffle and second baffle all adopt the spiral structure, can effectively prolong the gas residence time, improves the combustion fullness and decomposition rate, simultaneously, makes the gas fully use the heat, reduces the energy waste, and secondary purification does not need the additional energy consumption, reduces the energy consumption.

This invention relates to a pH-responsive hydrogel composite dressing, its preparation method, and its application, belonging to the field of biomedical materials and drug delivery technology. The pH-responsive hydrogel composite dressing comprises a hydrogel matrix and engineered exosomes and platelet-rich plasma uniformly loaded within the hydrogel matrix. The hydrogel matrix comprises a three-dimensional dynamic cross-linked network formed by a Schiff base reaction between an amino-containing polysaccharide derivative and an oxidized aldehyde-containing polysaccharide derivative. The engineered exosomes are derived from donor cells subjected to pathogen-associated molecular pattern stress treatment. The dressing provided by this invention possesses both toxin capture and immunometabolic regulation functions, achieving synergistic therapeutic effects against MRSA-infected diabetic wounds.

The present application relates to waste gas treatment technical field, specifically to a kind of acrylic resin waste gas treatment filter equipment, including main body, the main body inside is equipped with purification cavity, the main body circumferential outer wall is fixedly connected with shunt pipe, the shunt pipe bottom is equipped with several air pipes, the air pipe bottom end is penetrated to the inside of purification cavity;The inside of the purification cavity is provided with purification device, the purification device includes rotation installation in the center position of the inside bottom of purification cavity drive shaft, the inside of the purification cavity is located at the top position of drive shaft and is provided with limit frame, the center position of the limit frame bottom is penetrated and is equipped with docking interface.This application is through gas distribution plate, push plate and filter assembly linkage, to establish gas-liquid mixing neutralization system, improve the neutralization of acidic substances and the absorption efficiency of soluble VOCs, reduce the subsequent pollutant load, push plate, filter assembly and other collaborative impurities, clean filter screen, prevent secondary pollution, prolong the service life of filter material.

The utility model relates to the technical field of precoated sand, and discloses a regeneration type precoated sand oscillation device which comprises a box body assembly, a heating assembly is installed at the top of the box body assembly, an oscillation assembly is placed at the bottom of the heating assembly, and a discharging assembly is arranged on one side of the oscillation assembly. The flattened material is uniformly heated through the heating pipe, the surface coating softening of the material is facilitated, the difficulty of subsequent oscillation treatment is reduced, the metal strip can repeatedly jump when falling after being adsorbed by an electromagnetic plate through the cooperation of the electromagnetic plate, the metal strip and a first spring, and the separation effect is enhanced; light impurities generated in the vibration process are separated out through negative pressure generated by the draught fan, then the impurities are collected to the designated position in a centralized mode through the collecting pipe, environmental pollution and manual cleaning cost are reduced, materials subjected to vibration can be discharged through the discharging hopper through overall cooperation of the spring type discharging assembly, leakage of the materials is avoided, and the service life of the materials is prolonged. And manual intervention is effectively reduced.