108results about How to "Reduce deposition" patented technology

The utility model provides a kind of coke balling machine, belong to balling machine technical field, comprising: box, hammering subassembly, sieve plate subassembly, locking mechanism, discharge screening mechanism and dust receiving subassembly;Box is equipped with balling chamber, screening chamber, discharge chamber and dust receiving chamber, is equipped with lining in balling chamber, hammering subassembly is arranged in balling chamber, and hammering subassembly is connected with the output end of driving device;Two sides of screening chamber are equipped with slide respectively, sieve plate subassembly is arranged on slide, and sieve plate subassembly is below hammering subassembly;The device cooperates through sieve plate subassembly, discharge screening mechanism and dust receiving subassembly, improves the separation effect of globular coke and chippings, dust, reduces the problem that chippings mix into finished product or dust accumulation;Sieve plate subassembly is fixed by locking mechanism, both ensure the stability of sieve plate subassembly under high-frequency vibration, avoid structural damage caused by direct rigid contact, to prolong the service life of equipment and keep screening accuracy.

The embodiment of the present application provides an electrolyte, a secondary battery and an electric device, wherein the electrolyte provided by the embodiment of the present application comprises a sodium salt, an organic solvent and an additive, the additive at least simultaneously comprises a B-O bond, a C=C bond and a C=O bond, wherein B in the B-O bond is in an electron-deficient state, so that the additive is acidic, can complex with an acid radical ion of the sodium salt, thereby improving the dissociation degree of the sodium salt and the migration number of sodium ions, and reducing the bulk phase and electrode interface impedance; and the C=C bond and the C=O bond in the additive can effectively reduce the deposition of transition metals such as Mn of the negative electrode, reduce the impedance, can form a highly stable electrode-electrolyte interface structure, can stabilize the positive and negative electrode interface film, and improve the high-temperature storage and cycle performance of the battery, thereby solving the problems that the electrode / electrolyte interface of the existing sodium ion battery is unstable, and is easy to cause the battery to deform and the performance to decay.

The utility model discloses vacuum plating structure and vacuum plating equipment, vacuum plating structure includes: two transition chambers, be located between two transition chambers's plating chamber and be used for conveying transmission mechanism of carrier plate, transmission mechanism is located in the transition chamber, and transmission mechanism of one transition chamber conveys carrier plate to transmission mechanism of another transition chamber, so that the area of carrier plate in plating chamber is completely suspended. Transmission mechanism contains a plurality of transmission wheel groups that are arranged at intervals along the carrier plate conveying direction, and the transmission wheel group is composed of a pair of transmission wheels arranged oppositely, and the carrier plate comprises a plate body and two transmission edge frames respectively arranged on both sides of the plate body, the inner top surface of the transmission edge frame is a transmission surface, the transmission surface is placed on the transmission wheel, and the bottom of the transmission edge frame is an open mouth that is downwardly open. The utility model can reduce the film layer deposition of transmission wheel, reduce the probability of dust generated due to transmission transportation, and effectively improve the uniformity of substrate plating.

The application belongs to the technical field of reaction kettles, and particularly relates to a vertical stainless steel reaction kettle, which comprises a kettle body, a separation cover fixedly connected to the top of the inner side of the kettle body, a sliding connection hole formed in the bottom of the separation cover, a first sealing ring clamped on the inner wall of the sliding connection hole, a stirring shaft slidably connected to the sliding connection hole through the first sealing ring, and a transmission groove formed in the top end of the stirring shaft; a driving device is installed on the top of the kettle body, a driving shaft is fixedly connected to the output shaft of the driving device, a spline is arranged on the shaft surface of the driving shaft, and the driving shaft is slidably connected to the transmission groove through the spline; in the application, the downward guiding of the material by the first spiral blade and the upward pushing of the bottom material by the inclined paddle blade are combined with the lifting movement of the stirring shaft driven by the hydraulic cylinder and the first spring to realize the up-and-down convection circulation of the material in the kettle body, effectively prevent the deposition, eliminate the stirring dead zone, and improve the space coverage capacity of the first spiral blade.

The invention provides a vehicle-mounted control box device, a vehicle-mounted control box method and a program product. A liquid cooling module is arranged on the outer side of a heating element in a vehicle-mounted control box and used for absorbing heat and dissipating heat based on a first instruction of a control module; the dustproof module is used for sucking air to prevent dust from entering based on a second instruction of the control module; the dust removal modules are arranged at the top and the bottom of the vehicle-mounted control box and used for blowing or adsorbing dust based on a third instruction of the control module; and the control module is used for sending at least one of the following instructions based on the state data of the vehicle-mounted control box: a first instruction, a second instruction and a third instruction. In conclusion, according to the technical scheme provided by the invention, through multi-module cooperative control of liquid cooling, pressure dust prevention and automatic dust removal, the purpose of efficient cooling and dust removal without shutdown can be achieved.

The utility model relates to the technical field of underground infiltrating irrigation devices, and discloses a negative pressure self-suction type anti-blocking underground infiltrating irrigation device which comprises an irrigation water storage tank, the side face of the irrigation water storage tank is fixedly connected with a communication transfer pipeline, and the inner side of the communication transfer pipeline is provided with a communication control assembly. One side of the communicating transfer pipeline is fixedly connected with an anti-blocking permeable membrane, the other side of the communicating transfer pipeline is fixedly connected with a negative pressure cavity pipeline, the top surface of the negative pressure cavity pipeline is provided with a negative pressure driving assembly, and the bottom of the communicating transfer pipeline is provided with anti-blocking underground water seepage assemblies which are distributed at equal intervals. The maintenance cost is reduced; the negative pressure driving assembly utilizes negative pressure self-suction, is energy-saving and is suitable for regions with unstable electric power; the communication control assembly accurately controls the irrigation amount by adjusting an internal sealing rotating plate, the water resource utilization rate is increased, the water demands of crops in different growth stages are met, and agricultural efficient water-saving irrigation is promoted.

This invention relates to the field of inlet and outlet gas in high-temperature CVD processes, and particularly to a gas node device for a uniform flow chemical vapor deposition reactor. The gas node device includes a suction pipe (1) connected to the interior of a basic annular groove (3), an annular cover (4) arranged on the basic annular groove (3), and multiple dispersion holes (401) arranged on the annular cover (4). This solves the problems of homogenizing fluid flow and reactor temperature distribution in the CVD reactor. This reduces the deposition of byproducts in the reactor exhaust pipe. The flow distribution along the reactor is uniform; the temperature distribution in the reactor is uniform, resulting in increased reactor life due to gas temperature; and the condensation of byproducts in the reactor is reduced.

The utility model discloses an ultra-thin multilayer silica gel braided tube, which relates to the technical field of silica gel braided tubes and comprises a silica gel braided tube body, a connector assembly is arranged at one end of the silica gel braided tube body, a butt joint assembly is arranged at the other end of the silica gel braided tube body, and the connector assembly is matched with the butt joint assembly. The silica gel braided tube body comprises a pipeline body, an anti-sticking layer is arranged on the inner wall of the pipeline body, and the anti-sticking layer is used for preventing adhesion between the inner wall of the silica gel braided tube body and a conveying medium; the butt joint assembly comprises a second connecting cavity tube fixedly connected to one end of the silica gel braided tube body; the connector assembly comprises a first connecting cavity tube fixedly connected to one end of the silica gel braided tube body, and a positioning rod is fixedly connected to one side of the first connecting cavity tube, so that the silica gel braided tube bodies, the connector assembly and the butt joint assembly are matched together, and the two silica gel braided tube bodies can be quickly assembled and disassembled; the working efficiency of the device is improved, and the requirements of more customers are met.

This invention discloses a tungsten inert gas (TIG) shielded welding method and argon protection system for 5083 aluminum alloy pipes. The system includes an argon source, an argon pressure regulating component, a flow regulating component, and a low-emission polymer material gas delivery hose. One end of the gas delivery hose extends into the 5083 aluminum alloy pipe to be welded, supplying gas to the back area corresponding to the weld root. The welding method includes machining a single-sided V-groove at the pipe end, forming a root gap by butt welding, performing argon gas replacement, and using TIG shielded welding for the root pass. During welding, argon gas diffuses through the root gap to the back of the molten pool, achieving back-side protection and assisting in the removal of oxide impurities and fumes. This invention can reduce the risk of argon gas transport contamination, reduce weld shadow defects, improve the stability of the back-side formation of the root pass, and increase welding efficiency.

The present application relates to a kind of FAPi, FAPi intermediate, FAPi modified HSP47siRNA loaded lipid nanoparticles and its application, belong to the field of biological medicine.The inventor constructs a kind of HSP47siRNA loaded lipid nanoparticles (FAPi-LNP / siHSP47) of Fibroblast activation protein inhibitor (FAPi) modification in view of the problems of high morbidity of existing technology liver fibrosis, so far no medicine, and ordinary LNP mainly target delivery to liver parenchymal cell after intravenous injection, and cannot enter the activated hepatic stellate cell (HSC) that plays a key role in the development of liver fibrosis.The expression of HSP47 can be effectively knocked down by the mediation of the high expression of Fibroblast activation protein on the surface of activated HSC, and the content of liver fibrosis marker protein a-SMA can be reduced.Compared with LNP without FAPi modification, FAPi-LNP / siHSP47 actively targets activated HSC after entering liver tissue, enters cell under the mediation of FAP, significantly knocks down the expression of HSP47, reduces collagen deposition, and significantly improves liver fibrosis.

This invention discloses a trifluoromethylselenoquinone derivative, its preparation, and its application. The structure of the trifluoromethylselenoquinone derivative is shown in formula (I). Wherein, the R1 group is selected from H, halogens, C... 1‑5 Alkyl, C 1‑5 One of alkoxy and acetyl groups, and R2 group selected from monosubstituted or unsubstituted phenyl and thiophene groups. This invention is the first to develop a photochemical synthesis method for trifluoromethylselenoquinone derivatives. This method uses visible light as a clean driving force and has the advantages of mild conditions and environmental friendliness. This invention successfully introduces the trifluoromethylseleno group into the naphthoquinone core, constructing a novel functional molecule that integrates the advantages of the naphthoquinone skeleton, fluorine atom, and chalcogenide triple structure, enriching the library of fluorine-containing chalcogenide heterocyclic compounds and providing a novel structural unit for innovative drug development. The compound synthesized in this invention exhibits excellent VDR agonist activity and has good drug development prospects. (I)

This utility model relates to the field of coal tar processing technology, specifically to a coal tar hydrogenation reactor, including a reaction tank. A catalyst box is located at the lower end of the reaction tank, and a mixing mechanism is installed inside the reaction tank. The mixing mechanism includes a first rotating rod and a stirring rod. The top end of the first rotating rod is fixedly connected to the output end of a motor. A spiral blade and a baffle plate are fixedly connected to the outer side of the first rotating rod. The motor drives the first rotating rod to rotate the spiral blade and baffle plate above the inside of the reaction tank to initially mix the coal tar and hydrogen. It also drives the stirring rod to rotate inside the catalyst box to stir the catalyst, achieving dynamic gas-liquid mixing, accelerating the dissolution of hydrogen in the coal tar, reducing gas phase residence time, enhancing reactor mixing efficiency, and simultaneously continuously agitating the catalyst to prevent catalyst caking, improve the utilization rate of active sites, and extend catalyst life.

The application discloses a rotary air preheater with a multilayer annular heat pipe, relates to the technical field of air preheating, and comprises an outer shell, an inner rotor, a center cylinder, a flue gas inlet, an air outlet, a flue gas outlet, an air inlet, a disturbance mechanism, a ring pipe group, a driving piece and a corrugated plate group. The center cylinder is coaxially arranged at the center position in the outer shell, the inner rotor is rotationally arranged on the outer wall of the center cylinder, the outer wall of the inner rotor is rotationally connected with the inner wall of the outer shell, the inner rotor is driven by the driving piece located at one side of the outer shell, the flue gas inlet and the air outlet are formed in the top end of the outer shell, and the flue gas outlet and the air inlet are formed in the bottom end of the outer shell. The corrugated plate group and the ring pipe group are arranged in the inner rotor, and a plurality of disturbance mechanisms are circumferentially arranged on the inner wall of the ring pipe group. The flue gas and the air are transversely washed to the annular heat pipe, the heat exchange coefficient of the flue gas and the air is strengthened, the deposition rate and deposition amount of ammonium bisulfate on the heated surface can be significantly slowed down, and the safety risk is reduced.

The invention relates to the field of batteries, in particular to a thiophene compound and a preparation method thereof, an electrolyte and a battery. The structural formula of the thiophene compound is as shown in formula I, specifically, the thiophene compound containing cyano and sulfamido is obtained by carrying out electrophilic aromatic amino sulfonylation reaction on a cyano thiophene compound and an amino sulfonyl chloride compound; the electrolyte comprises a solvent, a lithium salt, an additive and the thiophene compound. The electrolyte provided by the invention comprises the thiophene compound containing the cyano group and the sulfamide group, and the thiophene compound not only can participate in film formation of a positive electrode and a negative electrode, but also can be complexed with transition metal ions dissolved out from the electrolyte, so that the high-temperature performance of the battery is synergistically improved.

The application discloses a drainage bag with an antibacterial functional layer and a preparation process thereof, and relates to the technical field of medical materials, and comprises the following steps: adding modified montmorillonite into N, N'-dimethylacetamide, uniformly mixing through ultrasonic, adding a polyurethane film, ultrasonic immersion for 60-120 min, drying, and obtaining a drainage bag substrate; adding polylactic acid into N, N-dimethylformamide, uniformly stirring and mixing, adding modified nano zinc oxide, uniformly mixing through ultrasonic, and then performing electrospinning to obtain an antibacterial coating fiber film; placing the antibacterial coating fiber film on the inner side surface of the drainage bag substrate, high-frequency heat sealing, assembling, and obtaining the drainage bag.

The utility model discloses an automatic sludge detection and pollution discharge device for a water seal tank of a converter purification system, and relates to the field of pollution discharge devices for steelmaking metallurgical equipment.The automatic sludge detection and pollution discharge device comprises a water seal tank assembly, two supporting rods are fixedly connected to the bottom of the water seal tank assembly, and a discharging assembly is arranged at the bottom of the water seal tank assembly; a tight assembly is arranged on one side of the water seal tank assembly; the water seal tank assembly comprises a water seal tank cavity box, a discharging through hopper is arranged at the bottom end of the water seal tank cavity box, a tank cover is connected to the top of the water seal tank cavity box in a clamped mode, a pneumatic adjusting valve is arranged on the top of the tank cover, an intelligent controller is arranged on one side of the water seal tank cavity box, and an ultrasonic mud level meter is arranged in the water seal tank cavity box. The interior of the water-sealed tank cavity box is rotationally connected with a crushing blade assembly; according to the arrangement, sludge detection and treatment effects are added on the water seal tank, and the main purposes of solving sludge accumulation of the device, preventing the whole device from being blocked, avoiding influence on normal work of the device and improving the working efficiency of the device are achieved.

The application belongs to the technical field of traditional Chinese medicines, and particularly relates to a traditional Chinese medicine compound for treating pulmonary fibrosis of diabetes and application thereof. The traditional Chinese medicine compound comprises 70-90 parts of Huangqi, 20-40 parts of Danshen, 10-30 parts of Chuanxiong, 20-40 parts of Beishashen and 40-60 parts of Shanyao. The application also discloses application of the traditional Chinese medicine compound in preparation of a medicine for treating pulmonary fibrosis of diabetes of the type of deficiency of both qi and yin and blood stasis. The traditional Chinese medicine compound has reasonable formula, and uses the traditional Chinese medicine theory scientifically. The raw materials are matched according to the principle of monarch, minister, assistant and guide, and the traditional Chinese medicines are synergistically used, so that the traditional Chinese medicine compound can not only supplement deficiency of both qi and yin of diabetes, but also dredge stasis of collaterals of long-term disease, and achieve good clinical test effect by considering both the symptoms and the root cause.

This utility model discloses a heat treatment fixture for thin-walled annular aluminum forgings, relating to the technical field of heat treatment fixture equipment. It includes a device housing, with a grinding roller at one end and a connecting assembly at the other end. The connecting assembly includes a toothed rack, a bevel gear set, and a first rotating rod. The bevel gear set is located at one end of the toothed rack, and an adsorption assembly is located at the other end. The adsorption assembly includes a dust collection housing, an impeller, and a movable door. This utility model, through the adsorption assembly, adsorbs floating dust around the workpiece, reducing the risk of worker exposure to dusty environments. It also reduces dust accumulation, lowers equipment failure rates, and extends equipment lifespan. The positioning ring limits the position of the receiving bag, facilitating bag replacement and improving the practicality of the adsorption assembly.

This utility model provides a sand fracturing device for coal mine gas drainage wells, including a mixing component, a storage component, and a fracturing pump. The mixing component, storage component, and fracturing pump are respectively mounted on a support, with the fracturing pump located below the mixing component, which is located below the storage component. The mixing component includes a shell and a stirring unit. The stirring unit is mounted on the shell, with one end of the stirring unit located inside the shell. The shell has a first feed inlet and a second feed inlet, which are arranged opposite to each other on the outer periphery of the shell. The first and second feed inlets are respectively used to connect to the storage component. The lower end of the shell has a first discharge outlet. This sand fracturing device for coal mine gas drainage wells replaces the traditional sand fracturing method of feeding sand by its own weight, solving the problem of sand clogging the conveying pipeline during the traditional sand fracturing process, thus improving work efficiency and safety.

This utility model relates to the field of evaporators and discloses an anti-clogging evaporator flow distribution structure, including a flow distributor body. A sealing element is installed at the lower part of the flow distributor body. Multiple flow distribution branch pipes are installed at the lower part of the flow distributor body. An inlet pipe is fixedly connected to the top of the flow distributor body, and multiple connecting pipes are fixedly connected to the bottom of the flow distributor body. A conical flow distribution cavity is formed in the middle of the flow distributor body. An installation sleeve is fixedly connected to the top of each flow distribution branch pipe. A filter element is movably connected inside the installation sleeve, and a sealing ring is fixedly connected to the top of the filter element. In this utility model, by setting up a flow distributor body and setting a conical flow distribution cavity inside it, the gradual contraction characteristic of the conical structure accelerates fluid flow and reduces impurity deposition. At the same time, the cooperation between the filter element and other components facilitates the filtration of impurities, thereby preventing flow distributor clogging and making it more practical.

The present application relates to a kind of probiotic oil agent for improving non-alcoholic fatty liver disease, preparation method and application, the probiotic oil agent includes active ingredient A and active ingredient B, the active ingredient A is mucinophilic Akkermansia Akk11, and the preservation number is CCTCC NO:M2024119;The active ingredient B is Omega-3 fatty acid.The present application is combined with mucinophilic Akkermansia Akk11 and Omega-3 fatty acid, and is prepared into oil agent, and the improvement of NAFLD symptom can play the coordinated synergistic effect, can be used for the prevention and treatment of NAFLD.

The present invention discloses a flow channel assembly for a membrane element, the flow channel assembly comprises: a flow channel element, the flow channel element is concaved inwards to form a plurality of concave structures and is convex outwards to form a plurality of convex structures, and the plurality of concave structures and the plurality of convex structures are distributed in a staggered manner; the flow channel element comprises a water inlet section, a transition section and a water outlet section in the first direction, and the density of the multiple concave structures and the density of the multiple convex structures are gradually increased in sequence along the water inlet section, the transition section and the water outlet section. Through the gradient design that the density of the concave-convex structures of the water inlet section, the transition section and the water outlet section is gradually increased, water flow resistance at the water inlet end is reduced, pressure loss is reduced, and it is guaranteed that water flow enters rapidly and stably; the transition section realizes stable transition of water flow from a low-resistance state to a high-turbulence state and prevents the water flow from impacting the surface of the membrane; the high-density concave-convex structure at the water outlet end generates strong turbulence to effectively scour a concentration polarization layer on the surface of the membrane, low resistance and high turbulence are both considered, the scale deposition risk is reduced, and the service life of the membrane element is prolonged.

This invention discloses a method for rapidly adjusting the furnace conditions of a lean-burn electric arc furnace, belonging to the field of pyrometallurgical nickel smelting technology. The method includes: measuring the height of the frozen layer inside the lean-burn electric arc furnace; when the frozen layer height is greater than 650 mm, simultaneously implementing coordinated control operations to reduce the slag oxidation depth (making the converter slag magnetic iron content <25%) and increase the reducing agent addition rate of the lean-burn electric arc furnace; after adjustment, measuring again, if the frozen layer height is less than 600 mm, restoring to normal process parameters; otherwise, repeating the adjustment until the target is met. This invention establishes a rapid response and upstream-downstream coordination mechanism based on the frozen layer as a criterion, which can effectively reduce the magnetic iron content in the slag, quickly eliminate excessively thick frozen layers, significantly improve slag fluidity, and ensure the stable and efficient operation of the lean-burn electric arc furnace system.

The utility model relates to indoor water purification equipment which comprises a machine shell, a pre-filtering system, a filtering system, a control system and a water production system are arranged in the machine shell, and a water supply system is arranged outside the machine shell. Wherein the pre-filtration system is used for filtering particles with the particle size of 20-150 microns in tap water, the filtration system is used for producing drinking water containing mineral substances, the water production system is used for storing the drinking water produced by the filtration system, the water supply system comprises a water supply pipeline, and the inlet end of the water supply pipeline is communicated with the outlet end of the water production system; a variable-frequency water pump and a stop valve are sequentially arranged on the water supply pipeline, a water taking opening is formed in the tail end of the water supply pipeline, and the control system is used for circulation and closing of all the pipelines. The utility model mainly aims to provide indoor water purification equipment, which can shorten the filtering process and can keep the balance of mineral substances in drinking water at the same time.

The utility model discloses an integrated micro -fluidic chip for continuous synthesis noble metal nanometer material, including the first wave -shaped reaction area, second wave -shaped reaction area, spiral protection area and separation area that connect gradually on the chip, the first wave -shaped reaction area has first access and second access, be equipped with third access and fourth access on the first connecting pipeline, and the outlet of second wave -shaped reaction area is connected spiral protection area through second connecting pipeline, is equipped with fifth access on second connecting pipeline, the inlet end of separation area has sixth access, and the outlet end has the first export and second export apart, wave -shaped reaction area and spiral protection area all are provided with random barrier structure in top portion. The utility model can realize the integrated operation of nanometer particle seed generation, nanometer particle synthesis and protection, reduce the cumbersome step in the traditional nanometer particle making process, reduce the batch difference that traditional method cannot avoid.

The utility model discloses a kind of air conditioner condensate water recycling devices, it is related to condensate water recycling technical field, including water collecting pool, the import of water collecting pool is connected with the drainage port of air conditioning unit via water collecting pipeline, the outlet of water collecting pool is connected with the water inlet of cooling tower via drive source;Filtering water tank for filtering impurities in its pipeline is arranged on the water collecting pipeline, filtering element is arranged in filtering water tank, so as to divide the tank cavity of filtering water tank into the front cavity connected with the water inlet of filtering water tank and the rear cavity connected with the water outlet of filtering water tank, and the rear cavity bottom height is lower than the front cavity bottom height.The water collecting pipeline in the utility model is directly connected with air conditioning unit and cooling tower, forms closed loop recycling path, ensures that condensate water is directionally transported;Filtering water tank is arranged in recycling path simultaneously, two-stage filtering element built-in filtering water tank is arranged in water flow direction in turn, realizes progressive interception of physical impurities, provides the water supply source of preliminary purification for cooling tower.

The invention relates to the technical field of medical instruments, in particular to an ERCP novel bile duct stent and a preparation method thereof.The bile duct stent prepared through the preparation method has certain antibacterial ability by using an AMP-Chol12 peptide chain with the antibacterial ability, the bacterial membrane structure is destroyed through the electric charge effect, bacterial death is caused, and the bile duct stent has a certain antibacterial ability. Therefore, the bacterial infection risk is reduced. The physical antibacterial mechanism does not depend on chemical release, so that the antibacterial property is lasting, silver ions and antibiotics are not contained, bacterial drug resistance is not caused, meanwhile, good biocompatibility is achieved, the lubricating property can be improved, friction and damage are reduced, and bile sludge deposition is reduced.

The utility model discloses a kind of upper and lower guide bearing oil cooling devices of hydropower station unit, it is related to the cooling technical field of hydroelectric equipment, including upper end plate, lower end plate, cooler pipe shell, multiple cooling pipes, upper end cover and lower end cover, the inside of upper end cover is separated into upper seepage chamber and water outlet chamber by upper partition, the inside of lower end cover is separated into lower seepage chamber and water inlet bin by lower partition, and water inlet bin is formed with water inlet chamber one and water inlet chamber two by partition plate;The bottom end of lower end cover is provided with water inlet pipe one and water inlet pipe two, water drain pipe one is installed on upper end cover, water drain pipe two is also branched on water drain pipe one, the cooler pipe shell of the design adopts double-pipeline parallel structure and shortens process, selects big pipe diameter red copper pipe, reduces deposition area, with good heat conduction performance, increase the contact area of cooling medium and oil, improve cooling efficiency, can also effectively reduce dirt deposition simultaneously, in addition, realize reverse flushing by switching valve flow direction, realize automatic dirt cleaning.

The present application relates to sewage treatment technical field, disclose sewage treatment device and sewage treatment method, sewage treatment device includes container, diaphragm, light source and reflux pipe, the inside of container is accommodating cavity, diaphragm is arranged in the container, diaphragm separates accommodating cavity into first area and second area, diaphragm is suitable for small molecule and dissolved solid pass, light source is arranged at one side of second area, reflux pipe is connected with first area and second area, the present application adopts diaphragm and separates the container into two spaces, sludge can only react in first area, microalgae can only carry out photosynthesis in second area, after photosynthesis, microalgae is backflowed to first area by reflux pipe, can improve sludge activity, reduce sewage treatment aeration energy consumption, improve sewage treatment nitrogen and phosphorus removal effect, reduce CO2 emission in the process of sewage treatment, to realize the goal of coordinated efficiency of sewage treatment of pollution reduction and carbon reduction.

The application discloses a coarse particle flotation machine, and particularly relates to the technical field of flotation machines, which comprises a flotation bin, a flotation mechanism, a driving mechanism, a scraping mechanism and a feeding mechanism, and further comprises a protection mechanism and a deposition treatment mechanism. Through the arrangement of the protection mechanism, the first jetting ports arranged in an inclined manner can spray upwardly moving rotating air flow to the inner wall of the flotation bin during the working process of the flotation machine. On the one hand, the coarse particles can be effectively reduced in deposition at the bottom or the corners, and when the coarse particles sink due to gravity, the upwardly moving rotating air flow can push the particles to move along a spiral track, prolong the residence time of the particles in the bubble enrichment area, and increase the collision frequency of the particles and the bubbles. On the other hand, the sprayed gas can form bubbles, the bubbles can collide with the coarse particles in the ore pulp, provide buoyancy for the upward floating of the coarse particles, reduce the deposition of the particles, and thus improve the recovery rate of the coarse particles and the flotation efficiency.