291results about How to "Optional" patented technology

The invention relates to a laser shaping method of a multi-scale functional surface of micronano for semiconductor material, relating to micronano material preparation and laser micromachining technical field; the invention aims at providing a method and a device for preparing femtosecond laser of super-hydrophobic functionalization for microstructural surface based on the semiconductor material and through the systematically technical design of multi-scale surface micro-shaping and microstructural surface processing, and realizing optional and controllable preparation of semiconductor material surface having multi-scale microstructure such as micron, submicron and nano. The invention solves the technical problems such as high cost, low efficiency and difficult operation in traditional preparation methods of microstructural surface with super-hydrophobic function.

The invention discloses a surface modification method for a polymer separation membrane. Under the water solution condition, a dopa compound is easily oxidized by dissolved oxygen in water to generate auto-agglutination-composite reaction in order to generate a firmly attached dopa compound composite layer on the surface of the polymer separation membrane; the dopa compound composite layer contains rich catechol radicals which can form the multi-point hydrogen bonding effect with lactam radicals in polyvinylpyrrolidone, and the polyvinylpyrrolidone is firmly complexed on the surface of the separation membrane; and the polymer separation membrane immobilized with povidone-iodine on the surface can be prepared through the complexation between the polyvinylpyrrolidone and iodine. The method has simple technique, and is suitable for the polymer separation membranes with different materials and shapes; and the modified polymer separation membrane has excellent hydrophily, blood compatibility, contamination resistance and bacterial resistance, so that the important significance is given to improve the comprehensive performance of the polymer separation membrane.

The invention belongs to the technical field of metal ion detection and in particular relates to a rhodamine 6G-based Cu<2+> fluorescence probe molecule as well as a preparation method and an application thereof. The fluorescence probe molecule which takes rhodamine hydrazide as a matrix and has a form of modifying Schiff base by using 3-formyl methylsalicylate has a structure as follows: the probe molecule has no florescence in an N,N-2-methylformanamide solution; the fluorescence intensity is rapidly enhanced and can reach an effect of identification by naked eyes along with the visible color change after Cu<2+> is added; and after sulfur anions are added, sulfur ions are combined with copper ions, coordinate copper ions are released, the rhodamine hydrazide returns to a closed-loop state again, the fluorescence intensity of the system is rapidly reduced, and therefore the reversible operation of the fluorescence probe molecule is achieved. The probe molecule exerts the characteristic of strong anti-jamming capability in the system with coexistence of copper ions and other multiple metal ions and is high in sensitivity and sensitivity and can be well applied to copper ion detection in environment pollution.

The invention discloses a preparation method for a particle reinforced metal-based composite spherical powder material with uniform reinforcing phase distribution. According to the preparation method, after metal powder and reinforced phase powder are mechanically mixed, the mixture is molded through a powder metallurgy technology and sintered to form composite bars, and the composite rods are used for preparing the particle reinforced metal-based composite spherical powder material with uniform reinforcing phase distribution by utilizing a crucible-free smelting gas atomization technology. The composite powder prepared by the method has few impurities and uniform reinforcing phase distribution, is spherical or near-spherical, has excellent fluidity and high apparent density, has unique advantages and irreplaceability when used as raw materials for powder metallurgy, injection molding, 3D printing and the like, and can form a device with excellent comprehensive performance.

The present invention relates to anti-pollution high efficiency isolating liquid for shaft wall cementing operation and its preparation process. The isolating liquid is compounded through adding suspension stabilizer, water reducing agent, tackifier, diluent, viscosity and shearing force increasing agent, weight additive and pH regulator in certain weight proportion into water. One compounding process is a water base process through throwing the said components successively into water in a slurry tank apparatus. One other compounding process is one dry mixture process in a cementing tank apparatus. The isolating liquid has flexible compounding process, high anti-pollution capacity and effective eliminating effect on well wall interface pollutant.

The invention relates to a preparation method of a high-insulating nanometer protective coating, and belongs to the technical field of plasmas. According to the method, a reaction cavity is vacuumized, inert gas is led in to enable a base material to move, monomer steam is led into the reaction cavity, plasma discharging is started, chemical vapor deposition is carried out, and the high-insulatingnanometer protective coating is prepared by conducting chemical vapor deposition on the surface of the base material; the monomer steam is a mixture of at least one kind of low dipole moment organicmatter monomer and at least one kind of polyfunctional unsaturated hydrocarbon and hydrocarbon ramification; and according to the method, the organic matter monomers with the low dipole moment and thehigh chemical inertia are screened out, the free volume and the compactness of the coating are regulated and controlled through the polyfunctional monomer, due to the fact the plasma chemical vapor deposition method can be suitable for many monomers and can be high in controllability on the ingredient and the structure of the formed coating, the deposited coating has the more excellent protectionperformance and insulation performance compared with existing coatings like parylene under the condition that the thickness is the same.

The invention discloses a preparation method of a coating with a thiol compound as a transition layer, and belongs to the technical field of plasmas. According to the method, a sulfydryl-containing thin layer is adopted as the transition layer between the coating and a substrate; before the coating is deposited, the thin layer of 1-10 nm is deposited on the surface of the substrate by using a sulfydryl-containing monomer, wherein the sulfydryl at one end of the monomer reacts with the surfaces of copper, gold, nickel, epoxy resin and the like, so that a chemical bond is formed, the excellent binding property is kept, and the other end of the monomer is polymerized, and has the excellent binding property with the coating on the upper layer. According to the method for depositing the transition layer, the binding force of the coating and the substrate is greatly improved; according to the method , the environmental protection property is high, the deposition temperature is low, the speedis higher, and the controllability of the coating structure and the composition is high, and the selectivity of the monomer is high; the deposition efficiency is high, and the compactness of the obtained organic silicon nano-protection coating is remarkably improved; and the binding force obtained by the coating on different substrates can be improved by 30-50%.

The invention provides a multifunctional titanium implant based on polydopamine modification and a preparation method of the multifunctional titanium implant. The multifunctional titanium implant is prepared as follows: a silane coupling agent is added to the surface of pre-activated titanium metal and subjected to an auto-polymerization reaction with polydopamine, functional groups are grafted onthe surface of a polydopamine coating obtained through the auto-polymerization reaction, and finally, the multifunctional titanium implant is obtained, wherein the bonding strength between the polydopamine coating and the surface of the titanium metal is 4.5-6.5 MPa. The multifunctional titanium implant adopts a porous surface structure, has good cell biocompatibility, has an efficient antibacterial effect on peri-implantitis specific bacteria and particularly has a significant synergistic antibacterial effect on multiple strains. The preparation method of the multifunctional titanium implanthas the characteristics of being simple in process and suitable for promotion.

The invention belongs to the field of materials and particularly relates to a coating-treatment surface modification method for ultrahigh molecular weight polyethylene fibers and fabric of the fibers. To improve adhesion properties of an interface between a resin substrate and the ultrahigh molecular weight polyethylene fibers as well as the fabric thereof and to eliminate or weaken timeliness of material surface plasma treatment, the surface of the ultrahigh molecular weight polyethylene is treated with low-temperature plasma and the fibers or the fabric are then immediately dipped into a coating solution containing epoxy resin, cyanate esters, bismaleimide resin, and the like so as to artificially introduce a designable "composite material interface layer" before compositing the ultrahigh molecular weight polyethylene fibers and the resin substrate, thus enhancing interface adhesive strength with the resin substrate and improving comprehensive properties.

The invention mainly discloses a landscape river aeration device and aeration method. The technical scheme is as follows: the device comprises a mounting rack, a gas inlet unit, a main pipeline, an aeration pipe and a rotary impeller, wherein the main pipeline is connected with a gas-liquid mixture and a bubble generator; the gas inlet unit comprises an air inlet pipe, a high-pressure water inlet pipe and an oxygen gas inlet pipe; the aeration pipe is composed of four aeration branch pipes which communicate with each other end to end; a connecting pipe is arranged between the two aeration branch pipes which are symmetrically arranged; the rotary impeller is installed on the connecting pipe; and the aeration branch pipes and connecting pipes are respectively provided with a sprayer on which a diaphragm is covered. The method comprises bubble aeration and surface aeration, has the advantages of simple installation, stable structure, favorable firmness and reasonable design, and is beneficial to implementing large-scale high oxygen solubility of the water body and enhancing the oxygen dissolution efficiency. By arranging the diaphragms, the aeration pores can not be easily blocked, thereby prolonging the service life of the aeration pipe, reducing the cleaning frequency and lowering the maintenance cost.

The invention provides a preparation method for a high-insulation hard nanometer protection coating of a composite structure, belonging to the field of plasma technology. According to the method, a reaction cavity is vacuumized and inert gas is introduced to allow a substrate to move, so organosilicon monomers with low dipole moment and high chemical inertia are screened out; the free volume and compactness of a coating are regulated and controlled through multifunctionality monomers, so the coating is allowed to have insulating properties and excellent protection performance and wear resistance at the same time; and an organosilicon coating is deposited on the coating with high insulating properties, and surface hard treatment is carried out so as to form a hard coating with a compact structure. The high-insulation hard nanometer protection coating provided by the invention has more excellent protection performance, insulating properties and wear resistance compared with conventionalcoatings such as parylene under the condition of same thickness. The preparation method provided by the invention overcomes the problems of poor wear resistance, too great thickness, low production efficiency and the like of conventional parylene coatings; and through hard treatment, a composite wear-resistant silica structure is increased in the coating, and the hardness and wear resistance of the coating are effectively improved.

The invention provides a preparation method of an in-situ synthesis low-pressure cold spraying CuNiCoFeCrAl2.8 high-entropy alloy coating. The method comprises the following steps that Cu powder, Ni powder, Co powder, Fe powder, Cr powder and Al powder are uniformly mixed to obtain powder for cold spraying, and then low-pressure cold spraying is carried out on the surface of a metal matrix so as to obtain a mixed powder coating, and then induction remelting in-situ synthesis is carried out to obtain the CuNiCoFeCrAl2.8 high-entropy alloy coating. According to the method, the low-pressure coldspraying technology is used, the cold spraying powder is subjected to low-pressure cold spraying on the matrix, the induction remelting in-situ synthesis is carried out, the CuNiCoFeCrAl2.8 high-entropy alloy coating is obtained, an alloying reaction is sufficient, the microstructure of a mixed powder coating forms a high-entropy alloy structure with a body-centered cubic structure from a pure metal in situ, the high-entropy alloy coating is formed, the structure is compact, the porosity is low, the high-entropy alloy structure is stable in structure, few in impurities, excellent in mechanicalperformance, high in strength and high in hardness, and good in wear resistance and corrosion resistance; and the thickness of the CuNiCoFeCrAl2.8 high-entropy alloy coating is 100 microns-3 millimeter, the preparation equipment is simple, and the process is convenient.

The invention discloses an environment-friendly soft heat-insulating toilet seat and a manufacturing process thereof. On one hand, the environment-friendly soft heat-insulating toilet seat comprises a plastic seat frame which is made of original plastic grains, wherein the plastic seat frame is provided with a plurality of reinforcing ribs; a plurality of adhesion holes are formed at the periphery of the plastic seat frame; a polyurethane (PU) layer is wrapped outside the plastic seat frame through PU material foam molding; and the PU layer also passes through the adhesion holes to be tightly adsorbed to the plastic seat frame. On the other hand, the manufacturing process of the environment-friendly soft heat-insulating toilet seat comprises the following steps of: 2.1, preparing the original plastic grains into plastic grains, preparing the plastic seat frame by high-temperature high-pressure injection molding, taking the plastic seat frame out after the plastic seat frame is cooled; and 2.2, filling PU material into the plastic seat frame in the step 2.1 to form the toilet seat by foam molding. The toilet seat has the advantages of softness, comfortable seat feeling, heat preservation, safety and environmental friendliness and the like, and is easy to wash and keep clean.

Provided is an accelerating tube which comprises at least three accelerating cavities and side coupled cavities, wherein each side coupled cavity is coupled to the adjacent accelerating cavities and at least one side coupled cavity is provided a switch assembly therein. The switch assembly at least comprises a switch element. The switch element is movable so that a specific value of a coupling coefficient between the side coupled cavity and the accelerating cavity coupled thereto at the upstream of a beam channel to a coupling coefficient between the side coupled cavity and the accelerating cavity coupled thereto at the downstream of the beam channel is adjustable when the resonant coupling phase of the adjacent accelerating cavity coupled to the side coupled cavity is unchanged. Since the accelerating tube may vary among various modes according to beam energy requirements, beam energy is provided with good selectivity and an electron beam with continuously changed beam energy can be acquired.

The invention discloses a preparation method for an organic silicon nanometer hard protective coating, and belongs to the technical field of plasmas. In the method, a reaction chamber is vacuumized, an inert gas is charged to enable a base material to move, monomer steam is charged, chemical vapor deposition is carried out, and an organic silicon nanometer coating is prepared on the surface of the base material through the chemical vapor deposition; and the component of the monomer steam is the mixture of at least one organic silicon monomer containing double bonds and a Si-Cl structure or a Si-O-C structure or a Si-N-Si structure or a Si-O-Si structure or a cyclic structure, and at least one polyfunctional unsaturated hydrocarbon and hydrocarbon derivative, charging for the monomer steam is stopped, oxygen and / or vapor is charged, and hard treatment is carried out on the surface of the organic silicon nanometer coating. According to the preparation method disclosed by the invention, the traditional organic carbonate hydroxide compound monomer is replaced by the organic silicon monomer, each silicon atom at least provides 1-4 active sites, high activity is achieved, a part of oxygen is introduced into the monomer, organic silicon can be oxidized into nanometer silicon dioxide, and the hardness of the coating can be greatly increased due to a dispersion strengthening effect.

The invention relates to a method for manufacturing marbleizing decorating plates, which comprises a step of plate processing, a step of pretreatment and a step of spray finishing, wherein the step ofspray finishing comprises the following steps: firstly, racking an aluminum veneer or an aluminum profile; secondly, performing dust blowing, and spraying a priming paint and a finishing paint on thesurface of the aluminum veneer or the aluminum profile; thirdly, naturally levelling the priming paint and the finishing paint on the surface of the aluminum veneer or the aluminum profile, and thenperforming scattering spray finishing and leveling at least two times; and finally, drying and solidifying the aluminum veneer or the aluminum profile, and naturally cooling the aluminum veneer or thealuminum profile. The marbleizing decorating plate manufactured by the method not only has the decoration advantages of marbles, but also avoids the defects and the limitations of the marbles. The marbleizing decorating plate has the advantages of abundant and subtle pattern colors, vivid marble imitating effect, greatly reduced unit area weight, and greatly improved security level. The marbleizing decorating plate has greatly reduced construction difficulties and correspondingly shortened construction period.

The invention discloses a can-type container, which consists of frame structure and can body in the frame structure, wherein the frame structure contains the opposing front end frame and back end frame and side beam in connection with coroner part between front and back end frames, which concludes multiple longitude beams on the periphery of can; two ends of longitude beam connects the corresponding frame of front and back end frame; the can body is a sealing can with multiple arc blocks connected by longitude beams. The invention can bear certain inner-pressure and guarantee the bulk need as large as possible, which improves the transportation efficiency and economical benefit.

The invention relates to a transmission electron microscope sample loading net, which pertains to the measurement field of nano-materials. The invention includes a support part and a circuit part, the support part includes a metal ring (1), the circuit part includes two electrodes (2), an element which is ready to be measured and a phase change material amorphous thin film (5), the electrodes (2) are insulatedly bonded with the metal ring (1), the phase change material amorphous thin film (5) is evenly distributed between the two electrodes (2), the phase change material thin film (5) is amorphous, the element which is ready to be measured is positioned in the phase change material amorphous thin film (5) or is integrated on one electrode (2). The connection lines in the invention are characterized by erasable property, the higher voltage is added on the both ends of the electrodes, or the loading net is directly done with certain laser pulse irradiation, so the phase change material thin film is completely amorphous, the formed current path disappears, the optional and repeated erasable properties of the measurement circuit are realized.

The invention relates to a composite solid electrolyte with high ionic conductivity and a preparation method thereof, belonging to the technical field of solid electrolyte for lithium ion batteries. The composite solid electrolyte is composed of inorganic solid electrolyte, polymer electrolyte and lithium salt. The mass ratio of inorganic solid electrolyte, polymer electrolyte and lithium salt is0.2-0.8: 0.2-0.8: 0.05-0.5. The invention prepares inorganic solid electrolyte nanofibers by electrostatic spinning, prepares vertically oriented inorganic solid electrolyte skeleton by freeze castingmethod, and pours polymer and lithium salt to form composite solid electrolyte. Nanofibers instead of nanoparticles have obvious advantages in the preparation of intact and uniform inorganic solid electrolyte skeleton and the formation of fast Li + transport pathway, which can significantly improve the room temperature ionic conductivity of the electrolyte, up to 10<-4>S.cm<-1>. By adjusting thesize of nanofibers and freeze-casting conditions to control the skeleton structure, so as to regulate the comprehensive properties of the electrolyte.

The invention discloses an intelligent power-saving socket and a working method thereof. The socket comprises a socket shell and a socket circuit, wherein the socket circuit comprises a control unit, an infrared detection unit, a relay trigger unit and a power supply unit; and the relay trigger unit is connected with a power wire of a display. When the infrared detection unit detects that a person leaves or comes back, the control unit begins timing; when the time is smaller than a specified value, the relay trigger unit does not make response; and when the time is greater than the specified value, the relay trigger unit works to turn on or turn off the power supply of the display. The infrared detection unit is arranged below the computer display, and can accurately judge whether a person uses the computer so as to realize intelligent determination of the turn-on and turn-off functions of the power supply of the display according to the leaving and coming condition of the personnel.

The invention belongs to the field of textiles, and relates to a negative poisson's ratio two-dimensional warp knitting fabric and a weaving method thereof, wherein the negative poisson's ratio two-dimensional warp knitting fabric comprises two parts which are a ground structure part and a deformation part. The method for weaving the negative poisson's ratio two-dimensional warp knitting fabric comprises that warp knitted tulle net fabrics are used as based fabrics, and the based fabrics loss balance to left and right tilt by adding an action of front weaving which produces a force to the based fabrics on the plane direction, thereof forming a warp knit structure with negative poisson's ratio effect, and obtaining negative poisson's ratio two-dimensional warp knitting fabrics. The weaving method is low in cost and simple in operation. The negative poisson's ratio two-dimensional warp knitting fabric is obvious in negative poisson's ratio effect, simple in weaving method and wide in actual application scope of two-dimensional fabrics, and further can be expanded to the field of three dimensional fabrics.

The invention relates to a tower grounding resistance measurement apparatus without dismounting of a grounding down lead, and a measurement method thereof. The structure of the apparatus is characterized in that a control unit is connected with a power supply module and a measurement protection circuit; the power supply module is connected with an inverted variable-frequency power supply and a current injection point; and he current injection point is connected with a current measurement circuit and a tower foot. The measurement protection circuit is connected with a voltage measurement circuit and a current measurement circuit; the current measurement circuit is connected with a host sending module and a host receiving module; the host sending module and the host receiving module are connected with a current sensor; and the current sensor is connected with tower feet. With the apparatus and method, the wiring difficulty of the test field can be reduced; the work efficiency can be improved; an advanced test means can be provided for the tower grounding resistance test work; and the heavy work of grounding down lead dismounting and cable arrangement work during the previous field testing can be substantially simplified.

The invention provides a preparation method for a high-insulation nanometer protection coating with a modulation structure, belonging to the technical field of plasma. According to the method, a reaction cavity is vacuumized and inert gas is introduced to allow a substrate to move; a low dipole moment-organosilicon / fluorocarbon modulated multilayer compact structure is formed through a manner of alternative preparation of a low dipole moment organic coating and an organosilicon coating or an organic fluorocarbon coating, so the stress of the coating can be reduced while the toughness of the coating is improved; meanwhile, since the low dipole moment-organosilicon / fluorocarbon structure has a transverse interface, when a corrosion medium is used for corrosion of the coating, corrosion develops along a transverse direction when the corrosion medium encounters the transverse interface, so longitudinal corrosion penetrating the coating is hard to form and the corrosion medium is preventedfrom penetrating the coating and corroding protected materials and device; moreover, the modulated nanometer layered structure has superlattice effect, and dislocation accumulation formed among layers, so the coating is more unlikely to breakdown and has improved resistance to underwater energization.

The invention relates to a production method of a paper wair, in particular to a folding method of a combined square box. The square box is composed of four identical components, and the production method of each component includes: taking a rectangular paper which is short in transverse direction and long in longitudinal direction, and working out folding lines; according to an upper transverse front folding line, folding a transverse rectangle 3 downwards, and then according to an oblique line front folding line 7, folding and sticking the right side portion of the transverse rectangle 3; according to a lower transverse front folding line, a longitudinal front folding line 5, an oblique line front folding line 6 and a longitudinal reverse folding line 8, forming a box corner; completing a component; working out four identical components, and pairwise connecting the four components in an inserted and synclastic mode in the clockwise direction; inserting a component A into a component B, inserting the component B into a component C, inserting the component C into a component D, and inserting the component D into the component A; and inserting an inserting part 11 into an interlayer of a part to be inserted 12, and inserting a sharp angle 10 of a box bottom into an interlayer below a right triangle 9. Due to the assembly type structure, a relatively big box can be produced with a relatively small piece of paper, the component is ingenious in conception and fancy in combination effect, folding and learning are easy, and the height of the box can be designed freely, and selectivity is strong.

The invention relates to a mixing device in the chemical industry, and in particular to a combined type layered fluid partition mixing device and its application. The fluid partition mixing device has a layered structure, is respectively provided inside with independent resident chambers for containing different fluids and a mixed chamber for containing the mixed fluid, each resident chamber is respectively communicated with the mixed chamber through a layered partition channel, and the layered partition channels with different fluids passing through are arranged independently and alternately from top to bottom, and different fluids in the resident chambers outflow respectively through the corresponding layered partition channels, and the outflow fluids are arranged alternately in layers, and mixed in the mixing chamber and outflow; and the fluid partition mixing device can be used for liquid-liquid mixing, liquid-gas mixing or gas-gas mixing. The mixing device of the invention is simple for processing and convenient for maintenance, and is mainly used for rapid mass transfer, heat transfer and polymerization, nitration, sulfonation, esterification, diazotization, coupling, acid-base neutralization and other various chemical reactions.

The invention discloses a gear hub motor lubricated by liquid lubricating oil. The gear hub motor comprises a left end cover, a right end cover, a main shaft an a hub, wherein the left end cover sleeves the main shaft through a first bearing and a first oil seal; an oil filling opening is formed in the left end cover, the right end cover or the hub; the right end cover sleeves the main shaft through a second bearing and a second oil seal; the left end cover is connected with the right end cover through a seal ring and the hub; the left end cover is connected with a solar gear ring through a reducing mechanism; the solar gear ring is fixed on the motor; and the solar gear ring is driven to rotate through the motor, so that the left end cover is driven to rotate through the reducing mechanism to drive the hub to rotate. A two-stage reduction planetary gear reducer mechanism is adopted under the premise of keeping a through shaft structure, so that the reliability of the hub motor structure is ensured; the high-speed performance of a disc-type coreless DC motor can be fully developed; the reducing mechanism is lubricated by the liquid lubricating oil; and the transmission efficiency of the motor is high.

The invention discloses an oil cylinder locking device. In order to realize the safe and fast locking goal of an oil cylinder of a gate hydraulic hoist, the oil cylinder locking device comprises a locking seat, a locking post and a locking claw, wherein the locking seat is connected with a cylinder body, the locking post is arranged in the locking seat and is connected with a piston rod, the locking claw is arranged between the locking post and the locking seat and can limit the downward movement of the locking post, the locking claw is driven by a servo device to be locked or released, when the locking claw is released, the locking post can freely and vertically move relative to the locking seat, and when the locking claw is locked, a locking post head positioned at the upper part of the locking post is placed on the locking claw. The oil cylinder locking device has the advantages that the stress along main stress coupling elements (the locking post and the locking claw) is uniform and reasonable, a servo mechanism is compact, the servo stroke is short, the servo motive power source selectivity is high, and the locking problem of the oil cylinder of the Liyang tail water accident gate hydraulic hoist is solved.

The invention relates to a process for treating oily sludge through hot steam. The process comprises the following steps that an oily sludge stock solution is pumped into a pre-treatment system through a pipeline, and the dehydration rate of sludge reaches 93% to 98% under the process conditions that the sound intensity ranges from 0.5 W / cm<2> to 0.8 W / cm<2>, the frequency ranges from 5 kHz to 25 kHz, the action time ranges from 3 min to 8 min, the demulsifier dosage ranges from 0.2% to 0.7%, the temperature ranges from 60 DEG C to 80 DEG C, and sedimentation is conducted for 1 h to 2 h; then the oily sludge stock solution is sent into a smashing unit, and large particles are ground into microparticles; the pretreated dehydrated sludge is conveyed to a heat treatment system through a closed conveyor belt, the pretreated dehydrated sludge meets with a hot steam jet flow vertically in a treatment trough of the heat treatment system, the oily sludge is directly decomposed into individual components, and organic matter such as heavy oil and asphaltene in the oily sludge is subjected to pyrolysis under the action of a mesoporous pyrolysis catalyst. According to the process, water of oily sludge is efficiently removed, the treatment intensity of the subsequent process is reduced, most of crude oil in the oily sludge can be recycled, the organic matter such as the heavy oil and the asphaltene can be subjected to pyrolysis due to high temperature heating, and the efficiency and quality of recycled oil can be improved.

The invention relates to a heat exchanger, in particular to an air conditioner finned tube type heat exchanger which comprises a plurality of U-shaped tubes and a plurality of fins sleeved parallelly on the U-shaped tubes, wherein the tube diameter of each U-shaped tube is 7mm; two rows of connecting holes for the U-shaped tubes to insert are formed on the fins, and the two rows of connecting holes on the fins are staggered in an equilateral triangle arrangement, namely the hole distance between two adjacent holes in the same row is equal to the hole distance between two adjacent holes in the different rows. The heat exchanger has the advantages of good heat exchanging effect, high energy efficiency ratio and low cost; and the heat exchanger carries out the optimization design for the dimensions and the sizes of fracture holes and the preference for the included angle between the two upright sections and the airflow direction, thereby effectively reducing the pressure loss on the air side, improving the heat transfer efficiency and meeting the requirement of the air conditioner with ever-growing energy efficiency ratio.