1336 results about "Cast iron" patented technology

The invention discloses a fluoride salt-free nitrate-free cast iron enamel semitransparent glaze as well as a preparation method and application thereof, and belongs to the technical field of enamel. The semitransparent glaze is prepared from quartz, anhydrous borax, sodium carbonate, potassium carbonate, calcium carbonate, potassium feldspar, zinc oxide, lithium carbonate, zirconium silicate, titanium dioxide, aluminum oxide, trisodium phosphate, antimony oxide, magnesium carbonate and barium carbonate according to a specific mass ratio. The preparation method comprises the steps of raw material mixing, high-temperature melting under a pure oxygen condition, wiredrawing detection, quenching and the like. The semitransparent glaze is completely free of fluoride salt and nitrate, the problems of fluoride emission and environmental protection equipment blockage are avoided from the source, the fluorine content of the product is not detected through detection, the product meets the requirements of European Union REACH regulations, meanwhile, the product has good porcelain surface, luster and low-temperature firing adaptability, and is suitable for cast iron matrixes, the firing temperature is 740-760 DEG C, and the firing time is 2-3 hours. The method can be used for producing green and environment-friendly enamel products.

The invention discloses a safety inspection and replacement tubular column and a using method thereof. The safety inspection and replacement tubular column comprises an oil pipe, at least three water distributors are arranged on the oil pipe, a packer is arranged between every two water distributors, each water distributor corresponds to a water injection layer, the lowest packer is a second-type packer, and the remaining packers are first-type packers; the first type packer is provided with a first back-off safety part, and the second type packer is provided with a second back-off safety part. The packer is provided with a back-off safety mechanism, back-off unscrewing can be carried out when a pipe column is clamped in the later period, anchoring parts are made of cast iron materials, later milling and drilling are facilitated, safety accidents of the underground pipe column are reduced, and safe inspection and replacement of the pipe column are achieved.

The invention belongs to the technical field of brake discs, and relates to a cast iron brake disc ceramic reinforced iron-based wear-resistant coating and a preparation method thereof.The cast iron brake disc ceramic reinforced iron-based wear-resistant coating comprises a brake disc base body, an iron-based transition coating and a composite wear-resistant coating, the composite wear-resistant coating is formed by mixing iron-based alloy powder, B4C ceramic particles and CeO2 rare earth powder; the preparation method comprises the following steps: 1, carrying out laser cladding on iron-based alloy powder on a brake disc substrate to prepare an iron-based transition coating; 2, carrying out ball milling and mixing according to a weight ratio to prepare composite wear-resistant mixed powder; 3, performing laser cladding on the iron-based transition coating with composite wear-resistant mixed powder; the B4C + CeO2 ceramic particles are mixed into the iron-based alloy powder, so that microcracks of the brake disc coating are reduced, the wear resistance and hardness are improved, dust pollution is reduced, the service life is prolonged, and the friction performance better meets the brake disc strengthening requirement.

The invention provides a cooling and temperature control construction method for large-volume radiation-proof concrete, and relates to the technical field of concrete curing. Comprising the steps of manufacturing and installation of mass concrete reinforcing steel bars, laying of mass concrete cast iron circulating cooling water pipes, installation of the mass concrete wall integrated temperature control formwork, layered pouring of mass concrete, cooling water pipe circulating water cooling and plate face water storage maintenance, curing of the mass concrete wall integrated temperature control formwork and center construction of the mass concrete. Monitoring the temperature of the surface layer and the like. The device has the characteristics of reusability, energy conservation and high efficiency.

The invention discloses a casting production device of a corrosion-resistant cast iron cylinder sleeve, and relates to the technical field of cylinder sleeve casting, the casting production device comprises a bottom frame, a bottom shell is fixed on the top surface of the bottom frame, two sliding grooves are formed in the top surface of the bottom shell, the cylinders are fixed on four edges of the top surface of the bottom frame, and the top shell is fixed on the top of the outer wall of the cylinders. An electric hydraulic rod penetrates through and is fixed to the middle of the top face of the top shell, a sliding shell is fixed to the bottom face of the telescopic end of the electric hydraulic rod, the inner wall of the sliding shell is slidably connected with the outer wall of a cylinder, a round mold is arranged in the middle of the bottom face of the sliding shell, a sand mold block and a U-shaped frame are placed in the middle of the top face of the top shell, and the U-shaped frame is fixed to the bottom end in the bottom shell. The sand mold block is clamped and positioned through the two U-shaped frame plates, so that the problem that the casting effect of the corrosion-resistant cast iron cylinder sleeve is poor due to the fact that the sand mold block deviates on the table top is solved.

The invention relates to the technical field of curtain walls, and discloses a curtain wall hyperbolic unit piece profiling jig framing method. Comprising the steps that a profiling backup plate and a profiling supporting plate are connected to form an integrated profiling base body; a pressure sensor array is arranged in the profiling supporting plate and used for detecting node stress distribution of the profiling supporting plate. A positioning U-shaped groove and a limiting steel plate are mounted on the profiling supporting plate; the structural supporting rods are vertically fixed to the surface of the standard part cast iron platform, so that a plurality of assembly supporting devices are arranged on the surface of the platform; the hyperbolic profile is embedded into the curved surface contour of the profiling backup plate of each assembly supporting device along the positioning U-shaped groove for profiling, leaning and positioning, and the clamping force corresponding to the limiting steel plate is adjusted according to the node stress distribution; and the hyperbolic profile is embedded into the curved surface contour of the profiling backup plate along the positioning U-shaped groove for profiling, leaning and positioning, the clamping force corresponding to the limiting steel plate is adjusted according to node stress distribution, framing positioning is completed, and the curtain wall hyperbolic unit piece profiling jig is obtained. The method is accurate in positioning and simple to operate.

A coke product configured to be used in foundry cupolas to melt iron and produce cast iron products is disclosed herein. In some embodiments, the coke product has a Coke Reactivity Index (CRI) of at least 30% and an ash fusion temperature (A FT) less than 1316° C. Additionally or alternatively, the coke product can comprise a fixed carbon content of at least 80% and / or a volatile matter content of no more than 1.0%.

The invention discloses a stirrup assembly type concrete beam column structure, which relates to the technical field of building structures and comprises a prefabricated lower column, a prefabricated upper column, a left superposed beam and a right superposed beam, the prefabricated lower column, the prefabricated upper column, the left superposed beam and the right superposed beam are distributed in a cross-shaped beam column structure; unique double-spiral stirrup configuration is applied to the column body, so that the torsion resistance and the bearing capacity are enhanced; the longitudinal bars and the stirrups are reasonably arranged on the superposed beam, so that the bending resistance and the shearing resistance are guaranteed. At the joint, the T-shaped channel steel plates, the fixing blocks and the hinged tension connecting rods form an energy dissipation system, and earthquake energy is effectively dissipated. The column body connection adopts the combination of a full-grouting nodular cast iron sleeve and a frame-shaped steel belt, and is matched with a post-pouring laminated layer to realize rigid connection. The limiting mechanism anchors a T-shaped channel steel plate through a double-end pull rod and a self-locking nut, a limiting clamping plate and a torsion spring form anti-pulling self-locking, the anti-seismic property of the joint is enhanced by combining a hinged tension connecting rod, and the structural reliability is improved.

The invention discloses a fluoride-salt-free and nitrate-free cast iron enamel zirconium white glaze as well as a preparation method and application thereof, and belongs to the technical field of enamel. The zirconium white glaze is prepared from quartz, borax pentahydrate, magnesium carbonate, potassium carbonate, potassium feldspar, zinc oxide, aluminum hydroxide, calcium carbonate, zirconium silicate, sodium tripolyphosphate and lithium carbonate according to a specific mass ratio. The preparation method comprises the steps of raw material mixing, high-temperature melting under a pure oxygen condition, wiredrawing detection, quenching and the like. The zirconium white glaze is completely free of fluoride salt and nitrate, the problems of fluoride emission and environmental protection equipment blockage are avoided from the source, the fluorine content of the product is not detected through detection, the product meets the requirements of European Union REACH regulations, and meanwhile, the zirconium white glaze has good porcelain surface, luster and firing adaptability, is suitable for cast iron matrixes, has the firing temperature of 740-760 DEG C and the firing time of 87-87 hours, and can be widely applied to cast iron substrates. The method can be used for producing green and environment-friendly enamel products.

The present invention pertains to the fields of materials engineering and nanotechnology. More specifically, the invention discloses the use of an iron alloy comprising a mass quantity of a niobium species as a vehicle component material and a method for adjusting the mechanical properties of a metallic material comprising the incorporation of a niobium species. The products comprising use of the inventive iron alloy exhibit remarkable properties, such as improved mechanical properties combined with reduced weight, resulting in an exponential performance gain. In one embodiment, the alloy used in the invention is called Steeron, because it has steel characteristics while being a cast iron.

The invention belongs to the technical field of laser cladding, and particularly relates to a TiC-Fe-Cr coating powder material for an automobile brake disc and a preparation method and application of the TiC-Fe-Cr coating powder material. The coating powder material is prepared from 60%-80% of TiC powder, 15%-30% of Fe powder, 4%-11% of Cr powder and 0.8%-2.2% of polyethylene glycol through mixing, wet grinding, spray drying, compression molding, sintering crushing and spherical densification treatment, and the coating powder material is attached to the surface of the brake disc in a laser cladding mode. By utilizing the arrangement, the invention provides a coating powder material which solves the problem of lack of a special laser cladding material for an aluminum alloy brake disc and overcomes the technical bottlenecks that a traditional grey cast iron brake disc is heavy in weight, quick in abrasion, capable of generating dust and easy to rust and an aluminum alloy brake disc is low in hardness and poor in abrasion resistance.

The invention provides a high-speed laser cladding metal ceramic coating, a cast iron brake disc and a preparation method and application of the cast iron brake disc. The high-speed laser cladding metal ceramic coating comprises the following preparation raw materials in percentage by mass: 40%-60% of stainless steel, 10%-20% of SiC, 10%-30% of ZrO2, 5%-10% of Ti and 1%-2% of CeO2. According to the coating, the hardness, the wear resistance, the friction coefficient and the toughness of a cast iron matrix can be remarkably improved, and the braking requirement of a motor vehicle under the extreme working condition can be well met. The invention further provides the cast iron brake disc and a preparation method and application thereof.

The iron casting waste cast iron scrap recycling and smelting device comprises a supporting bottom plate, an electric arc furnace and a supporting frame are connected to the middle of the top of the supporting bottom plate, a plurality of graphite electrodes are connected to the bottom of the supporting frame, and a second electric cylinder is connected to the position, between the electric arc furnace and the supporting frame, of the top of the supporting bottom plate; a driving motor is connected to the top telescopic power end of the second electric cylinder, a rotating disc and a fixed supporting rod are connected to the top power end of the driving motor, a cover plate matched with the electric arc furnace is connected to the end of the fixed supporting rod, and a protective inner sleeve is connected to the top of the cover plate and located on the outer side of the inserting hole; the bottom of the supporting plate is connected with a protective inner sleeve connected with the protective inner sleeve in a sleeved mode. Compared with the prior art, the device has the advantages that the electric arc furnace can be covered in a sealed mode through the cover plate capable of rotating and ascending and descending, spraying around the electric arc furnace can be prevented, meanwhile, the inner sleeve and the outer sleeve are arranged at the positions of the inserting holes, spraying cremation can be prevented, and therefore safety is greatly improved.

The utility model relates to a cast iron base with a dust removal function and a grinding and polishing workstation, and belongs to the field of mechanical equipment. The dust removal base comprises a base body and is structurally characterized by further comprising a dust removal system which is matched with the base body. A threading groove is formed in the bottom of the base main body, a dust removal groove is formed in the top of the base main body, a grating net plate is arranged above the dust removal groove, a sedimentation tank and a water storage tank are further arranged at the top of the base main body, a filter plate is arranged between the sedimentation tank and the water storage tank, the dust removal groove is located above the sedimentation tank, and the grating net plate is located above the water storage tank. A liquid level sensor is arranged in the reservoir, a first flushing slope and a second flushing slope are arranged on the two sides of the dust removal groove correspondingly, and a first flushing groove and a second flushing groove are formed above the first flushing slope and the second flushing slope correspondingly; the first flushing tank and the second flushing tank are both matched with a circulating mechanism in the dust removal system.

The present invention relates to the technical field of insulator production, and discloses a forming mold for an insulator, which includes an upper mold and a lower mold. An upper injection cavity is formed on the bottom surface of the upper mold, and a lower injection cavity is formed on the top surface of the lower mold. The insulator is correspondingly engaged with the lower injection cavity. Exhaust holes are formed at both front and rear ends of the lower injection cavity. A frame-shaped air groove is formed on the top surface of the lower mold. The exhaust holes are connected to the air groove. Annular grooves are formed on both front and rear sides of the lower injection cavity. An annular ring is engaged in the annular groove. A clamping block is provided at the top end of the annular ring. Clamping grooves are formed at the front and rear of the upper injection cavity, and the positions of the clamping grooves correspond to the positions of the clamping blocks. The inner wall of the annular ring is fitted to the cast iron parts before and after the insulator. The present invention is beneficial to avoiding the influence of gas in the mold cavity on the material flow, and at the same time avoiding the difficulty in mold opening caused by the formation of negative pressure during the reciprocating production process, and is beneficial to cooperating with external devices to pick up the insulator.

The invention discloses a casting structure and method for improving box opening efficiency and an obtained casting, and belongs to the field of cast iron metallurgy, the casting structure comprises a sand core area, a casting area and the casting area, at least one hoisting hole is formed in the casting area, a hoisting through part is fixedly installed at the hoisting hole, the hoisting through part is of a through structure, and the left side and the right side of the hoisting through part are communicated with the outside; and the hoisting middle through part is filled with sand. According to the invention, sand removal is guided in the through part of the through type hoisting, comprehensive sand removal does not need to be carried out on an inner cavity of a large casting, the sand removal workload is obviously reduced, the labor intensity of casting box opening can be obviously reduced, and the production efficiency is improved.

The utility model discloses a cast iron pan blank positioning perforating machine, which relates to the technical field of pan blank processing, and comprises an equipment platform, support legs are fixedly connected at four corners of the bottom surface of the equipment platform, a perforating mechanism is arranged on the upper side of the equipment platform, the perforating mechanism comprises a cross rod, and inclined rods are fixedly connected at two ends of the cross rod. The bottom ends of the inclined bars are fixedly connected to the two sides of the equipment platform, the inclined bar on one side is slidably connected with a sliding sleeve, a U-shaped rod is arranged on the lower side of the sliding sleeve, the sliding sleeves are hinged to the two ends of the U-shaped rod, and one end of the U-shaped rod is fixedly connected with a fan-shaped worm wheel. The device has the beneficial effects that the punching assembly is hinged to the sliding sleeve through the U-shaped rod, the fan-shaped worm wheel is arranged on the U-shaped rod, the angle of the U-shaped rod is adjusted through the fan-shaped worm wheel under the control of the worm, meanwhile, the self-locking function is achieved, adjustment of the punching angle can be achieved, the punching angle can be perpendicular to the tangent plane of the position of a through hole in the arc face of a pot blank, and the punching efficiency is improved. And moreover, the angle is more stable after being adjusted, and slipping and deviation during drilling and tapping are prevented.

The present invention relates to the technical field of cutting fluid recovery and treatment, and discloses a workstation for multi-stage treatment of cutting fluid, the device comprising a secondary liquid tank, a separator, a chip collection vehicle, a primary liquid tank and a cleaning box fixedly installed in the middle of the top of the secondary liquid tank, a separation box fixedly installed on one side of the cleaning box, and further comprising: a tertiary liquid tank fixedly installed on the top of the cleaning box, a conveying assembly provided on one side of the separator, a cleaning assembly provided inside the separation box, and a filter press assembly provided on the top of the tertiary liquid tank; the conveying assembly comprises a mounting groove and a conveying chain plate fixedly installed inside the mounting groove, and a mounting plate is symmetrically fixedly connected to the top of the mounting groove, which solves the problem that after the cutting fluid brings chips into the water tank, cast iron and powdery chips are deposited in various corners of the water tank, and fine needle-shaped and flaky chips float on the liquid surface, affecting the normal operation of the water tank.

The invention discloses a centering rotary feeding device, belongs to the technical application field of numerical control inverted lathes, and is used for solving the feeding problem of a large inverted lathe. The device comprises a rotary feeding device and a workpiece centering device, the rotary feeding device is based on a rotary base, longitudinal movement of a sliding seat is achieved through a linear rail and a driving system, a feeding table is driven to rotate by 360 degrees in cooperation with a rotary bearing with a gear ring, and the feeding table is provided with a self-adaptive material table; the workpiece centering device is based on the centering base, the left centering arm and the right centering arm are driven by the bidirectional driving system to move synchronously, and quenching pads on the inner sides of the centering arms are arranged in a V shape to achieve automatic centering of workpieces. The device is made of cast iron materials, so that the rigidity is improved, the maximum bearing capacity is 3200 Kg, the feeding stroke is not smaller than 2500 mm, self-adaptive clamping and precise centering of workpieces can be achieved, the machining auxiliary time is saved, support is provided for development of large inverted lathes, and the device can also be used for other equipment needing feeding and discharging of heavy workpieces.

To provide CV graphite cast iron that is not expensive and exhibits high strength from the surface to the internal region, a heat-treated product of CV graphite cast iron, and a method for producing the same.SOLUTION: This CV graphite cast iron is composed of graphite, carbides, and a matrix, and contains, based on the total amount of the CV graphite cast iron, 3.50 to 3.90 mass% of C, 1.50 to 2.00 mass% of Si, 0.85 to 1.15 mass% of Mn, 0.025 mass% or less of P, 0.025 mass% or less of S, 0.006 to 0.013 mass% of Mg, 1.65 to 1.85 mass% of Cu, 0.60 to 0.80 mass% of Ni, 0.45 to 1.00 mass% of Mo, 0.20 to 0.40 mass% of V, 0.20 to 0.40 mass% of Cr, the balance being Fe and inevitable impurities. The carbon equivalent, defined as the total of C and one-third of Si, is 4.00 to 4.50 mass%.SELECTED DRAWING: Figure 1

A brake disc for a disc brake may have a braking band made of gray cast iron or steel, provided with two opposite braking surfaces, each of which defines at least partially one of the two main faces of the disc. The disc is provided with a base layer constituted by steel having a nickel content of at most 15% which covers at least one of the two braking surfaces of the braking band.

The invention provides a low-carbon environment-friendly rust-proof treated cast iron machine body blank and a rust-proof process thereof, and relates to the technical field of rust-proof treatment. The thickness of an oxidation film in the cast iron machine body blank subjected to low-carbon environment-friendly rust-proof treatment is 5-25 microns, the porosity of the oxidation film is not higher than 15%, and the binding force of the oxidation film is not lower than 5 Mpa. According to the low-carbon environment-friendly cast iron body blank obtained through the rust prevention process, a compact oxidation layer is generated on the surface and the inner hole wall of the cast iron piece, and then the corrosion resistance of the cast iron piece is improved. And moreover, the problem that the engine body is rusted during circulation processing in a factory can be solved without spraying paint on the outer surface of the engine body, so that the energy consumption is greatly reduced, the low-carbon and environment-friendly effects are realized, the production efficiency is improved, and the manufacturing cost is reduced.

The invention relates to the technical field of steel wear-resistant materials, in particular to an anti-scouring dredge pump composite impeller and a preparation method thereof. The dredge pump composite impeller comprises a dredge pump impeller base body and a ceramic particle composite area, wherein the ceramic particle composite area is arranged in a local easy-to-wear area of the tip end of the dredge pump impeller base body; and the ceramic particles adopted in the ceramic particle composite area are ZTA ceramic particles with Al2O3 and ZrO2 complex phases. The service life of the composite impeller of the dredge pump is more than two times that of a high-chromium wear-resistant cast iron impeller, the hardness is high, the service life of the impeller can be remarkably prolonged, and the slurry conveying efficiency of the dredge pump can be remarkably improved.

The invention relates to the technical field of cast iron alloys, in particular to a preparation method of high-carbon-equivalent gray cast iron, which comprises the following steps: taking scrap steel as a main material, taking scrap castings, silicon carbide and a carburant as auxiliary materials, and smelting according to a determined raw material ratio and a determined carbon equivalent value range; sampling smelted molten iron to obtain a first cooling curve of the molten iron, extracting characteristic points, performing thermal analysis to determine the metallurgical state of the molten iron, and adjusting the content of pre-inoculated silicon carbide or analyzing the possibility of over-inoculation; pre-inoculation is conducted on the smelted molten iron, the smelted molten iron is secondarily sampled to obtain a second cooling curve of the molten iron, feature points are extracted, the pearlite form is determined, and the sensitivity index of the smelted molten iron to inoculation is calculated according to the change condition of the feature points of the first cooling curve and the second cooling curve. Through pre-inoculation adjustment and tapping inoculation and pouring inoculation, the problems that graphite is thick and large and the performance is reduced easily due to high carbon equivalent are solved.

The invention relates to gray cast iron and a smelting method thereof, in particular to high-strength gray cast iron and a smelting method thereof. According to the high-strength gray cast iron and the smelting method thereof, the defect that in the prior art, alloying is adopted for improving the strength of the gray cast iron, and consequently the texture of the gray cast iron is poor is overcome, the tensile strength of an attached casting test bar of the high-strength gray cast iron is larger than 300 MPa, and the hardness is larger than 190 HB; the metallographic structure of the high-strength gray cast iron in an as-cast state can achieve more than 98% of pearlite, less than 1% of cementite and more than 90% of A-type graphite, and the strength and the metallographic structure of the alloyed gray cast iron are effectively improved.

A compression forming die for a powder metallurgy dumbbell comprises an upper die part, a middle die plate, a lower die part, an upper die stripping driving part, a lower die stripping driving part, a dumbbell head upper die core, a feeder, an operation table and a material receiving plate. Through the combination of an upper die part, a middle die plate, a lower die part, an upper die stripping driving part, a lower die stripping driving part, a dumbbell head upper die core, a feeder, an operation table and a material receiving plate which are of a specific structure, powder metallurgy powder is pressed at a time, and a powder metallurgy precision dumbbell product can be obtained. The defects of large boundary dimension precision error, rough surface, high energy consumption, heavy pollution, no energy conservation, environmental protection, long production period and high cost in the production of cast iron type steel dumbbell products can be overcome. Energy can be saved, consumption can be reduced, the production cycle can be shortened, the production cost can be reduced, the product quality can be improved, and the market competitiveness can be improved.

The invention discloses a testing device suitable for impact resistance of a hydraulic rock drill, which is characterized in that the testing device comprises a cast iron platform, a hydraulic rock drill propelling device is fixed on the cast iron platform and can drive the hydraulic rock drill to move back and forth, and a hydraulic rock drill energy conversion device is fixed on the cast iron platform and can drive the hydraulic rock drill to move back and forth. The impact energy of the hydraulic rock drill can be converted into heat energy. The device for testing the impact resistance of the hydraulic rock drill can truly simulate the actual working condition of field impact of the hydraulic rock drill, bear the long-time full-power impact of the hydraulic rock drill, complete the durability test of the hydraulic rock drill in a laboratory, shorten the design research and development period and save the design research and development cost. Meanwhile, the testing device is easy and convenient to use and operate, small in needed space and low in cost, only the matched hydraulic rock drill impact supporting frame needs to be replaced according to different types of hydraulic rock drills, adaptability is high, and functions are complete.

The invention discloses a cast iron cylinder sleeve structure and alloy component optimization method based on friction and wear performance prediction, and belongs to the technical field of material science and machine manufacturing. The problems that a traditional cylinder sleeve alloy design method is low in efficiency and the material performance of the designed cylinder sleeve alloy is limited are solved. The method comprises the following steps: collecting an existing large-cylinder-diameter engine sample, and carrying out metallographic characterization and microhardness test on an engine cylinder sleeve to obtain cylinder sleeve structure characteristics and alloy component data; the wear volumes of different parts are obtained through a friction wear experiment, and then the wear rate is calculated based on the wear volumes. After tissue characteristic data, alloy component data and frictional wear test data of the cylinder sleeve are collected, the data are imported into different machine learning models, the models learn the corresponding relation between the tissue characteristic data and the frictional wear performance of the existing cylinder sleeve, and optimization of material tissue and alloy components is guided according to the prediction result of the optimal model. The method can be applied to optimization of cylinder sleeve structures and alloy components.

The anode carbon block with the concave-convex groove tables at the top is mainly applied to assembly configuration of an anode conductive device of an aluminum electrolysis cell and electrolytic aluminum production. In order to overcome the technical defects that in the prior art, a circular anode carbon bowl is constructed on an anode carbon block, then an anode steel claw head is inserted into the anode carbon bowl, and an anode conductive device formed by assembling the anode carbon block and an anode steel claw together by casting a ferrophosphorus ring is high in connection voltage drop, high in assembly energy consumption, complex in process and high in construction cost, the invention provides an anode conductive device. The invention discloses a technical scheme of a novel construction connection mode of an anode carbon block and an anode conductive metal structure. The anode carbon block is characterized in that an upper boss design of the anode carbon block is changed into a flat-top design, and two left-right symmetrical anode conductive concave grooves and an anode conductive convex platform which are used for constructing and installing an anode conductive cross beam are constructed on the flat-top anode carbon block. The invention relates to an anode conductive cross beam.

The invention belongs to the technical field of anti-freezing solutions, particularly relates to an anti-freezing cooling liquid and a preparation method and application thereof, and provides an all-organic heat transfer system anti-freezing cooling liquid which contains efficient all-organic adsorption acid and an anti-corrosion inhibition additive, has better anti-corrosion and anti-rust capabilities on various metals, and has a good anti-freezing effect. And the anti-corrosion agent has excellent anti-rust function for soldering tin, cast aluminum, cast iron, steel, brass, red copper and the like, especially the anti-corrosion performance of a wet cylinder sleeve of a heavy-duty vehicle. The lubricating oil has excellent cavitation erosion resistance and pitting corrosion resistance, and has an excellent protection effect on an engine cooling system. The anti-freezing cooling liquid product is free of precipitates, stable in performance, safe, non-toxic, green and environment-friendly.