118results about How to "Good defoaming effect" patented technology

The invention relates to a foam defoaming method and system suitable for a slurry pool in waste gas desulfurization, and belongs to the technical field of waste gas desulfurization. The foam defoaming method comprises the following steps: collecting image information of the slurry pool; according to the image information, whether foam exists in the pulp chest or not is judged; if yes, the current slurry pressure and the current slurry concentration in the slurry pool are obtained; inputting the current slurry pressure and the current slurry concentration into a pre-constructed defoaming agent first feeding amount prediction model to obtain a first prediction amount of defoaming agent feeding; and putting a defoaming agent into the pulp chest according to the first predicted quantity. The method has the beneficial effects that the human efficiency is improved, and the dependence on the experience of personnel is reduced.

The utility model discloses sewage air flotation scum defoaming equipment, and relates to the field of sewage treatment. The utility model relates to sewage air flotation scum defoaming equipment, which comprises a defoaming tank, an air flotation tank, an air flotation tank, an air flotation tank, an air flotation tank, an air flotation tank, an air flotation tank, an air flotation tank, an air flotation tank, an air flotation tank and an air flotation tank, and is characterized in that a feeding hole is formed in the upper end of the defoaming tank; the rotating hollow pipe is vertically and rotatably connected to a central shaft in the defoaming tank; when the slag scraper is used for scraping air flotation scum into the slag pool, the air flotation scum can firstly enter the defoaming tank, then the rotating hollow pipe can be controlled to rotate, and then the rotating hollow pipe can automatically add a defoaming agent into the defoaming tank through the conveying assembly. Meanwhile, the rotating stirring rod can drive the stirring rod to rotate to stir the air flotation scum, so that the defoaming agent and the air flotation scum are uniformly mixed, the defoaming effect and the defoaming speed of the defoaming agent on foam in the air flotation scum are improved, the rotating stirring rod can scatter the foam, and the defoaming efficiency of the foam is further improved.

The utility model relates to the technical field of defoaming equipment, in particular to defoaming equipment for water-based industrial paint, which comprises a defoaming cylinder, a top cover and a base are fixedly connected to the top surface and the bottom surface of the defoaming cylinder respectively, and a storage barrel is fixedly mounted on the top surface of the top cover through bolts. Compared with the prior art, the defoaming device has the advantages that the electromagnetic valve arranged on the hollow pipe is opened through the controller, a defoaming agent in the storage barrel can flow into the spraying disc through the feeding notch, the stirring plate is driven to stir the defoaming agent when the hollow pipe rotates, the situation that the defoaming agent precipitates can be prevented, and the defoaming effect is improved. The spraying disc can rotate along with rotation of the hollow pipe, the defoaming agent is thrown out under the action of centrifugal force, the defoaming agent can evenly fall into the defoaming cylinder and can be more evenly dispersed in water paint, the defoaming effect is improved, the hollow pipe, the spraying disc and the stirring piece can be driven to rotate at the same time through one motor, and the defoaming effect is improved. Noise generated by the motor can be reduced.

The invention discloses a mineral casting prepared based on modified epoxy resin. Diacid is used for modifying epoxy resin to enhance the temperature resistance of the epoxy resin. The compressive strength of the mineral casting and the bonding strength between the epoxy resin and the aggregate are enhanced in a manner of combining the curing agent and post-curing treatment; by adding the dispersed nano silicon dioxide into the epoxy resin, the damping ratio of the mineral casting is effectively improved, and the shock absorption performance of the mineral casting is enhanced.

The utility model relates to the technical field of air separation devices, in particular to a demister for an air separation device, which comprises a demister body, the demister body is applied to an evaporator, the inner wall of the evaporator is fixedly connected with a support block, the inner side of the evaporator is provided with a demister body, and the demister body is lapped on the upper surface of the support block. Through rotation of the worm, the gear can rotate under the action of the worm, the rotating rod drives the scraping plate to rotate, the scraping plate rotates and rubs the lower surface of the first silk screen plate, foam on the first silk screen plate can be broken, attachment of the foam on the first silk screen plate can be reduced, and the service life of the first silk screen plate is prolonged. The foam can be better separated from dropping liquid, the defoaming efficiency and effect can be improved, meanwhile, a second silk screen plate can rotate along with the second silk screen plate under the action of a rotating rod, overlapping and dislocation of holes of the second silk screen plate and holes of a first silk screen plate are achieved through rotation of the second silk screen plate, and the foam can be better broken.

The utility model discloses an MVR (Mechanical Vapor Recompression) evaporating crystallizer with a three-stage defoaming function. The MVR evaporating crystallizer comprises a first cylindrical section, a second cylindrical section, a first conical section, a third cylindrical section and a second conical section which are sequentially arranged from top to bottom, the diameter of the first cylindrical section is smaller than that of the second cylindrical section; the diameter of the third cylindrical section is smaller than that of the first cylindrical section; according to the device, three-stage defoaming is arranged, a main body is arranged to be in the shape similar to a waist drum, the diameter of the middle of the evaporator is large, a sufficient evaporation space can be provided, a large boiling surface is formed, and the flash evaporation efficiency is improved; when a gas-liquid mixed phase obtained after boiling, evaporation and gasification enters the secondary gas-liquid defoaming section, the flow speed of the gas-liquid mixed phase is increased, the high flow speed is formed so that liquid drops can be conveniently removed, the better defoaming effect is achieved, the crystallized salt settling section with the small diameter is adopted, more liquid stays in the evaporation chamber in the middle, and the purpose of rapid gasification is achieved.

The invention discloses a foam-containing pit liquid level measuring device and method.The foam-containing pit liquid level measuring device comprises a sensor, a mounting frame, a stirrer and a storage bin, the mounting frame is fixed above a liquid collecting pool, the sensor, a speed reducer and a feeder are sequentially arranged on the mounting frame from left to right, and a stirring motor is connected to the upper portion of the speed reducer; a stirrer is arranged at the bottom of the speed reducer and extends into waste liquid; the sensor transmits collected signals to the signal processing unit, and the signal processing unit controls the stirring motor, the feeding machine and the pneumatic stop valve after data processing. A defoaming agent is accommodated in the storage bin, and is conveyed into the liquid collecting tank through being communicated with the feeder; the sensor and the signal processing unit are arranged to continuously monitor the real liquid level and the foam height so as to timely discover abnormity and take measures, and automatic control is beneficial to reduction of personal errors, improvement of production efficiency and product quality, reduction of equipment damage and waste water overflow and reduction of environmental pollution.

The invention relates to the technical field of concrete piece forming, in particular to an autoclaved aerated concrete block pouring forming device and method.The autoclaved aerated concrete block pouring forming device comprises a lifting frame provided with a pouring head and a bubble removing mechanism; the bubble removing mechanism comprises mounting seats which are symmetrically arranged and synchronously and reversely move; and a plurality of vibrating heads and a plurality of stirring heads are mounted on the mounting seats. Pouring is carried out in the mode of removing bubbles while pouring is carried out, the pouring efficiency and quality are improved, in the bubble removing process, a vibrating head and a stirring head are matched with each other, bubbles in slurry are fully and efficiently removed, the slurry in the middle is automatically stirred to the two sides through two stirring and homogenizing units in the stirring and bubble removing process, and the stirring and homogenizing efficiency is improved. And the slurry in the mold is homogenized, so that the influence of non-uniform distribution of the slurry on the defoaming effect and efficiency is effectively avoided, bubbles in the slurry are fully and efficiently removed, and the pouring efficiency and quality are further improved.

The present invention relates to the field of devices for film lamination, specifically an automatic laminating device for aluminum-based copper-clad laminates, wherein a defoaming mechanism comprises: a control rod rotatably connected to a frame mechanism; a moving frame threadedly connected to the reciprocating threads of each control rod; a moving frame slidably connected to the moving frame; a pressure wheel group rotatably connected to the moving frame; a slot plate fixedly connected to the frame mechanism; and a guide shaft fixedly connected to the moving frame. The present invention is provided with a pressure wheel group capable of moving along a specific trajectory from the middle to both sides, so that the pressure wheel group discharges bubbles from the middle to both sides, thereby improving the defoaming effect of the present invention on the aluminum-based copper-clad laminate after lamination, and reducing the residual bubbles as much as possible; and a large pressure wheel and a small pressure wheel are provided to cooperate in defoaming treatment, and the small pressure wheel is first contacted with the bubbles, so that the bubbles can be segmented and refined before elimination treatment, thereby improving the ability of the pressure wheel group to treat bubbles, and further improving the defoaming effect of the present invention on the aluminum-based copper-clad laminate after lamination.

An automatic control system for sewage treatment comprises a grating filter box, an adjusting tank, an anaerobic tank, an aerobic tank, a flocculation tank and a water storage tank, and further comprises a mixer, a filter press and a PLC control cabinet, and the grating filter box, the adjusting tank, the anaerobic tank, the aerobic tank, the mixer, the flocculation tank, the filtering and purifying tank and the water storage tank are sequentially communicated; the flocculation tank is further connected with a second sludge pump, an outlet of the second sludge pump is communicated with the aerobic tank and the filter press respectively, and a water outlet of the filter press is communicated with the regulating tank; a water level sensor for monitoring the water level is arranged in the anaerobic tank, a water quality sensor is arranged in the aerobic tank, and a concentration sensor is arranged at the bottom in the flocculation tank; a defoaming device is laid at the upper end of a pool opening of the aerobic pool, and a plurality of defoaming soft heads facing the interior of the aerobic pool are arranged in the defoaming device. By arranging the defoaming device, foams generated in the aerobic tank can be eliminated, reduction of nitrogen and phosphorus removal efficiency is avoided, and meanwhile, environmental pollution caused by foam overflow is prevented.

The invention discloses a production method of superfine viscose staple fibers. The superfine viscose staple fibers are 0.4-0.44 dtex in single line density, 38-41 mm in length, 2.16-2.48 cN / dtex in dry breaking strength, 1.20-1.49 cN / dtex in wet breaking strength, 18.21% in dry elongation, 80%-87% in whiteness and 0.4-0.6 mg / 100g in defect. By adjusting technological parameters in the processes of dipping, aging, yellowing and ripening and filtering and defoaming after ripening, large-diameter particles and impurities easy to precipitate in spinning raw rubber are removed, it is guaranteed that the diameter of viscose particles meets the production requirement of superfine viscose, and meanwhile the problems of yarn breakage and unstable forming are avoided. The spinneret orifice which is more suitable for superfine viscose fiber production is designed, and the problem that the spinning property of viscose is affected due to the radial expansion effect and large-degree energy loss of viscose trickle at an outlet of the spinneret orifice is solved. The prepared superfine super viscose staple fiber is smaller in single-line density span and higher in fiber quality.

The invention provides a mixing and defoaming system for preparing base-material-free AB glue, which comprises a mixing tank, an annular transition tank fixedly sleeved on the periphery in the mixing tank, an annular defoaming tank fixedly sleeved on the periphery of the annular transition tank, a stirring component mounted in the mixing tank, an annular scraper plate mounted on the inner top of the mixing tank and abutting against the tank wall, and a defoaming component mounted on the inner top of the annular scraper plate. The annular scraping plate can lift to scrape glue on the tank wall, the bottom of the mixing tank pumps glue into the annular transition tank through a first glue pumping assembly, the top of the annular transition tank is provided with a second glue pumping assembly for pumping glue into the annular defoaming tank, and the annular defoaming tank is internally provided with an annular piston in a matched mode; and a plurality of glue outlet holes connected with the second glue pumping assembly are formed in the circumferential bottom of the annular piston. According to the system, the mixing tank body and the defoaming tank body are integrated, and the transition tank body is additionally arranged between the mixing tank body and the defoaming tank body, so that the occupied area is small, the pipeline layout is simple, rubber adhered to the stirring assembly and the tank wall is convenient to remove, and the defoaming effect is good.

The application provides a continuous foam rectification separation and purification device, which comprises a rectification tower and a defoaming cylinder; a stirring assembly is arranged in the defoaming cylinder, and the stirring assembly is connected with a driving mechanism; the stirring assembly comprises a circular pipe; a plurality of uniformly distributed cross pipes are fixedly connected around the circular pipe, and the cross pipes are provided with a plurality of liquid outlet holes in the length direction; a lifting mechanism is installed in the defoaming cylinder and connected with a connecting pipe fixedly connected with the top end of the circular pipe; a conveying mechanism is used for conveying a defoaming agent into the circular pipe; a feeding assembly is installed at the top inlet of the defoaming cylinder; the feeding assembly comprises an inner cylinder, an outer cylinder and an expansion pipe, a spiral channel is arranged between the inner cylinder and the outer cylinder, a plurality of micropores are arranged on the inner cylinder wall and communicated with the inner cylinder, and the plurality of micropores are uniformly distributed in the length direction of the channel; the expansion pipe is connected with the inner cylinder, and the bottom end of the expansion pipe is rotationally and sealingly connected with the top end of the connecting pipe. The preliminary defoaming during feeding and the secondary defoaming in the defoaming cylinder improve the defoaming effect.

The invention discloses an efficient metal cleaning agent and a preparation method thereof, and belongs to the technical field of chemical cleaning agents, and the efficient metal cleaning agent comprises the following components in parts by weight: 10-18 parts of builder, 4-15 parts of surfactant, 0.2-0.8 part of solubilizer, 1-1.5 parts of corrosion inhibitor, 0.2-0.5 part of antirust agent, 1-2 parts of complexing agent, 0.2-0.8 part of preservative, 0.5-1.5 parts of potassium alkylolamide phosphate and 0.5-1 part of defoaming agent. And the balance of deionized water. According to the surface active agent, N-(2-aminoethyl)-3-aminopropyl tetrasiloxane, D-(+)-gluconic acid delta-lactone, epoxy chloropropane, glycerol and the like are used as raw materials, and the obtained metal cleaning agent has good defoaming capacity and deoiling cleaning capacity, meets the requirements in metal cleaning and is high in practicability.

The present invention relates to the field of paste resin production, specifically a paste resin latex VCM circulation purification and removal system and process, including a VCM gas-liquid separation tank and a VCM gas-liquid separation tower, the two are connected in series through a VCM circulation pipeline and a discharge pipeline; the feed pipeline transports the original latex containing VCM monomers to the VCM gas-liquid separation tank for stirring, and VCM is separated from the latex during the stirring process and discharged into the VCM exhaust pipeline; the latex containing the remaining VCM gas phase enters the VCM circulation pipeline and is steam-heated to 70-80°C, and the heated latex enters the VCM gas-liquid separation tower in a vacuum environment, and VCM is recovered by spraying; the latex falling into the bottom of the tower enters the VCM gas-liquid separation tank again through the discharge pipeline, and the cycle is repeated until the latex VCM monomer content in the VCM gas-liquid separation tank reaches less than 200ppm, and the finished latex can be discharged to the next process. The present invention can remove VCM in the latex to the greatest extent, and at the same time solve the problems of agglomeration of the inner wall of the traditional stripping tower and easy clogging of the steam nozzle.

The invention relates to the technical field of liquid beverage defoaming, in particular to a liquid beverage filling and defoaming device which comprises a mounting plate and further comprises a telescopic pipe, a filling pipe, a pushing mechanism, an injection mechanism and a switching mechanism, the pushing mechanism comprises a guide rod and a pushing assembly, and the injection mechanism comprises an injection pipe, a temporary storage cylinder, a transmission assembly and a lifting assembly. The switching mechanism comprises a traction assembly, a conveying pipe, a plurality of discharge pipes, a plurality of storage tanks and a plurality of stirring assemblies, the conveying pipe is fixedly arranged between the input port and the communicating pipe, each stirring assembly is inserted between one storage tank, and the traction assembly is arranged between the lifting assembly and one stirring assembly. According to the liquid beverage filling and defoaming device, the double defoaming effect can be achieved by shortening the filling height and adding the defoaming agent, and the defoaming effect of the device is further improved.

The utility model relates to negative pressure bubble removing technical field especially automatic negative pressure bubble removing device, including mounting support, the mounting support both sides interval through the air -tight component, barograph and connecting pipe are provided with, and the air -tight component inside interval setting of barograph and connecting pipe, connecting pipe one end is connected with external negative pressure equipment, and the mounting support one side is provided with positioning assembly, and the positioning assembly outside interval is provided with support rod, and the support rod upper end is fixed with laser sensor. The application is through the setting of air -tight component and positioning assembly, has realized to the automatic negative pressure bubble removing of the reagent of higher viscosity, and can adapt to the reagent bottle use of different size, when using, the mode of comprehensive negative pressure bubble removing and knocking bubble removing, effectively promoted the bubble removing effect and bubble removing efficiency, simultaneously, through the annular setting of eight groups of rubber ball, and the knocking point can cover the whole lateral wall of reagent bottle simultaneously, and the energy distribution is more uniform, and the bubble removing effect is better.

This utility model discloses a thickener foam elimination structure, comprising: a thickener treatment tank, a rake frame arranged within the thickener treatment tank, and multiple sets of scraper components vertically supported on the rake frame. The multiple sets of scraper components are arranged sequentially and at intervals along the circumference of the treatment tank, moving in response to the fluctuations in the slurry surface within the thickener treatment tank, thereby scraping the mineralized foam in the thickener treatment tank towards the center and causing it to accumulate. A thickener bridge is also erected above the thickener treatment tank, and a spray system is mounted on the thickener bridge. The spray system is used to spray the supernatant from the upper layer of the thickener treatment tank or externally supplied washing water onto the mineralized foam, driving the mineralized foam towards the center of the thickener treatment tank and simultaneously defoaming the foam. This novel structure effectively reduces processing costs, prevents mineralized foam from overflowing outwards through overflow outlets located on the outer periphery of the thickener treatment tank, and significantly reduces the amount of defoamed mineral particles carried away by the overflow.

The present invention relates to the technical field of defoamers, and discloses a method for preparing a polyether-modified silicone defoamer. The present invention uses the hydroxyl contained in silicon dioxide and γ-glycidyloxypropyltrimethoxysilane to obtain epoxy-modified nano-silica through hydrolysis and condensation reaction. Cardanol, ethylene oxide, epoxy-modified nano-silica, etc. are used as raw materials, and modified polyether is obtained through ring-opening polymerization. Octamethylcyclotetrasiloxane, aminopropyltriethoxysilane, etc. are used as raw materials, and modified hydrogen-containing silicone oil is obtained under the catalytic reaction of concentrated sulfuric acid. Modified hydrogen-containing silicone oil and modified polyether are used as raw materials, and chloroplatinic acid is used as a catalyst to obtain polyether-modified silicone oil. Then, it is used as the main body, and a polyether-modified silicone defoamer is prepared by adding silicone paste, a thickener, etc. Thereto. The polyether-modified silicone defoamer prepared by the present invention has excellent defoaming effect and stability.

The invention relates to the technical field of defoaming agents, and discloses an emulsion type defoaming agent with excellent stability and a preparation method thereof.The preparation method comprises the steps that white carbon black and graphene are modified and react to obtain modified filler, the modified filler and hydrogen-containing silicone oil are subjected to an addition reaction to obtain modified organic silicon, and the modified organic silicon is subjected to a reaction to obtain the emulsion type defoaming agent. The modified organic silicon, the thickening agent, the emulsifying agent and the deionized water are stirred and mixed to obtain the emulsion type defoaming agent with excellent stability, the white carbon black and the graphene of the defoaming agent have a synergistic effect and are matched with each other, after modification, the defoaming agent can be uniformly dispersed in a matrix to form a more stable defoaming system, the stability of the product is enhanced, the preparation process is simple, and the preparation method is suitable for industrial production. The foaming agent has the advantages of easily available raw materials, low cost, capability of rapidly eliminating and preventing foam generation, effective improvement of the production efficiency, good stability, difficult layering phenomenon, and good dispersibility and storage stability.

The invention discloses a modified organic silicon defoaming agent as well as a preparation method and application thereof, and belongs to the field of papermaking defoaming agents. The preparation method comprises the following steps: firstly, carrying out addition reaction on hydrogen-containing silicone oil, alkyne and enol to obtain an alkyne modified organic silicon defoaming agent intermediate; performing high-temperature phase inversion emulsification on the alkyne modified organic silicon defoaming agent, docosanol, octadecanol and an emulsifier to obtain the alkyne modified organic silicon defoaming agent. The modified organic silicon defoaming agent obtained by the preparation method disclosed by the invention is applied to a papermaking section, not only can quickly eliminate foams on the surface of a system, but also can remove small bubbles attached to the surfaces of fine fibers in pulp, so that the gas content of a paper machine system is reduced, the operation efficiency of a paper machine is improved, and the modified organic silicon defoaming agent has the characteristics of no toxicity, no harm, simple process and the like.

The utility model relates to a foam scum defoaming device of a mineral processing thickener. The foam and scum defoaming device of the ore dressing thickener comprises a defoaming driving motor, a defoaming driving belt mechanism, a rotating brush shaft and rotating brush blades, the defoaming driving motor is installed on the side edge of a walkway platform of the thickening pool, a motor rotating shaft of the defoaming driving motor is in transmission connection with a rotating brush shaft through a defoaming driving belt mechanism, rotating brush shaft fixing devices are rotatably installed at the two ends of the rotating brush shaft, and the rotating brush shaft fixing devices are fixedly installed on the side edge of the walkway platform. The rotating brush shaft is arranged along the side edge of the aisle platform and is parallel to the side edge of the aisle platform, and the rotating brush blades are evenly and detachably installed on the rotating brush shaft. Defoaming is conducted through the rotary brush blades, and the rotary brush blades have the two functions of cutting, namely, cutting a large foam layer into small blocks and directly breaking foam and releasing metal ore and agents; operation is simple and convenient, and use is safe, flexible and reliable.

The utility model discloses a self-pressurization defoaming device, which belongs to the technical field of auxiliary equipment for mineral flotation, and comprises a nozzle for injecting pressurization defoaming water, the nozzle comprises a water injection chamber, a first pressurization chamber, a conical chamber and a diffusion chamber which are sequentially and coaxially arranged and communicate with one another. The conical cavity is in a truncated cone shape, and the end, with the large bottom face area, of the conical cavity communicates with the columnar first pressurization cavity. The diameter of the end face, communicated with the first pressurizing chamber, of the conical chamber is larger than that of the first pressurizing chamber, and the diameter of the end face, communicated with the diffusion chamber, of the conical chamber is smaller than that of the first pressurizing chamber. The device is simple in overall structure and convenient to operate and use, and has a good defoaming effect on traditional and unbreakable foams.

The invention discloses an anti-corrosion engine coolant and a preparation method thereof, and belongs to the technical field of engine coolants.The method comprises the steps that a stabilizer is prepared, a dispersing agent is prepared, and materials are mixed; the preparation of the stabilizer comprises the steps of hydrothermal reaction and coating. The hydrothermal reaction comprises the following steps: mixing ethylene glycol and deionized water, stirring at room temperature, adding graphene oxide, and stirring to obtain a graphene oxide dispersion liquid; the preparation method comprises the following steps: mixing aluminum chloride and deionized water, stirring at room temperature, adjusting the pH value to 7-8, and stirring to obtain an aluminum source; mixing sodium polyacrylate and deionized water, and stirring at room temperature to obtain a sodium polyacrylate solution; mixing the graphene oxide dispersion liquid with an aluminum source, stirring at room temperature, dropwise adding a sodium polyacrylate solution, stirring, carrying out a hydrothermal reaction, and centrifuging; the engine coolant prepared by the invention has the advantages of good anti-corrosion effect, good hard water stability, low probability of cavitation erosion in use, good defoaming effect, good cooling effect and good high-temperature stability.

The utility model relates to the technical field of dispersion tanks, and discloses a dispersion tank for fire retardant coating processing, which comprises a tank body, a first floating plate, a second floating plate, a plurality of connecting blocks, a connecting structure and two telescopic rods, a stirring structure is arranged in the tank body, a one-way structure is arranged at the vertical position of a rod body of the stirring structure, and the one-way structure is connected with the first floating plate. A scraping plate is fixedly arranged on one side of the one-way structure, the connecting blocks are connected with one another through connecting structures, the first floating plate is connected with the connecting block close to the center position, the second floating plate is connected with the connecting block close to the tank wall position, and defoaming needles are fixedly arranged on the bottom sides of the connecting blocks. And through the liquid level difference formed by the fireproof coating during stirring, the connecting blocks between the first floating plate and the second floating plate can be conveniently made to form a step type, the defoaming needles can be attached to the liquid level for defoaming, and the defoaming effect is improved.

The invention belongs to the field of mechanical equipment, and particularly relates to a hydraulic control system of heavy-load mechanical equipment. The hydraulic module is used for providing hydraulic power for heavy-load mechanical equipment; the hydraulic oil inlet pipeline is used for conveying hydraulic oil in the hydraulic oil tank to the hydraulic module; the hydraulic oil return pipeline is used for conveying the hydraulic oil in the hydraulic module back to the hydraulic oil tank; the air pressure balancing device is used for balancing air pressure inside and outside the hydraulic oil tank; and the oil foam eliminating device is used for eliminating oil foam in the hydraulic oil tank. The air bag is protected through the cover cap, the air bag has enough protection space in the cover cap, in addition, the inner supporting frame is further arranged to prevent blockage, and air in the oil tank can be simply and rapidly replaced with inert gas; by arranging the oil foam eliminating device, oil foam in the hydraulic oil tank can be effectively eliminated, the defoaming effect is good, and therefore the stability of hydraulic transmission of the hydraulic module can be effectively kept.

The application discloses a wire mesh defoaming device and a drying tower thereof, and relates to the drying technology field.The wire mesh defoaming device comprises a mounting frame, a supporting cylinder is rotatably sleeved in the opening of the mounting frame, a defoaming wire mesh is bolt-connected to the opening on the surface of the supporting cylinder, a C-shaped frame is bolt-connected to the top of the mounting frame, a transmission box is bolt-connected to the top of the C-shaped frame, a rotating shaft is key-connected to the hole at the shaft center of the supporting cylinder, the top of the surface of the rotating shaft is rotatably sleeved with the hole of the C-shaped frame, a supporting rod is bolt-connected between the surface of the rotating shaft and the inner wall of the supporting cylinder, a connecting piece is bolt-connected to the right side of the bottom of the mounting frame, the droplets gathered on the surface of the defoaming wire mesh are thrown out by the centrifugal force generated by the rotation of the supporting cylinder, the defoaming efficiency is improved, and for the excessively viscous droplets, the defoaming wire mesh can be scraped by a scraping mechanism during the rotation, the droplets on the surface of the defoaming wire mesh are scraped off, and the defoaming effect is improved.

The invention relates to the technical field of lubricating oil, in particular to an energy-saving type lubricating oil composition for industrial gears and a preparation method of the energy-saving type lubricating oil composition. The lubricating oil composition is prepared from an extreme pressure anti-wear agent, a friction modifier, an anti-corrosion and anti-rust agent, an antioxidant, a demulsifier, an anti-foaming agent, a viscosity index improver and base oil, the extreme pressure anti-wear agent is prepared from more than one of zinc butyl thiocarbamate boride, calcium pentadecyl borate, calcium pentadecyl thioborate, thiophosphoric triester and butyl triphenyl thiophosphate; the friction modifier comprises more than one of molybdenum alkyl thiophosphate, molybdenum amine ester, a molybdenum carbamate complex, nitrogen-containing boric acid ester, phosphate and benzotriazole fatty amine salt. The energy-saving lubricating oil composition for the industrial gear has outstanding oil film thickness, extremely low friction coefficient and excellent defoaming capability, can help an industrial gear system to save energy consumption during working, and effectively improves the efficiency of a transmission system.

The present invention relates to the technical field of building materials, and more specifically to a method for preparing a composite wind power tower frame mortar. The method comprises the following steps: plasma modified composite cement; foamed spherical pore CaO·ZrO 2 Preparation of surface modified cement. The present invention is carried out by adding Ca(OAc) 2 and 2-3 parts by weight of Zr(NO 3 ) 4 ·5H 2 Preparation of CaO·ZrO 2 In the process of obtaining the gel, a foaming agent is added, ball milling and calcination are performed to obtain foamed spherical CaO·ZrO 2 , foamed spherical CaO·ZrO with porous structure 2 It can increase the surface contact area during the mixing process with surface modified cement to increase the bonding capacity, and provide a stable framework, so that when the sulphoaluminate cement undergoes hydration reaction to form calcium aluminate, it can better fill the gaps after the mortar hardens, maintain a stable hardened structure, and maintain a high compressive strength from the early to late stages of the mortar hardening.

The invention belongs to the technical field of foam adhesive tapes, and provides a PE foam double-sided adhesive tape and a preparation process thereof, the PE foam double-sided adhesive tape sequentially comprises a pressure-sensitive adhesive layer, a PE foam layer, a pressure-sensitive adhesive layer and a release layer from top to bottom; the pressure-sensitive adhesive is prepared from the following raw materials in parts by weight: 20 to 25 parts of butyl acrylate, 20 to 25 parts of 2-ethylhexyl acrylate, 6 to 9 parts of methyl methacrylate, 8 to 16 parts of hydroxyethyl acrylate, 3 to 5 parts of 3-methacryloxypropyltrimethoxysilane, 1 to 4 parts of an emulsifier, 0.3 to 0.8 part of an initiator and 3 to 6 parts of modified magnesium hydroxide. According to the PE foam double-sided adhesive tape provided by the invention, the structure and the thickness of each layer are effectively regulated and controlled, so that the manufactured PE foam double-sided adhesive tape is not easy to deform, has a good shockproof buffering effect, and is excellent in adhesive force and high-temperature retentivity at the same time.