2119results about How to "Reduce pollution" patented technology

The invention relates to an anti-ant large-core-number fiber ribbon cable comprising a cable core and an outer sheath. The cable core includes loose tubes; and fiber ribbons are sleeved inside the loose tubes. The outer sheath is an outer nylon sheath; and a non-metallic reinforcement layer is arranged between the outer sheath and the cable core. According to the anti-ant large-core-number fiber ribbon cable provided by the invention, with the outer nylon sheath, ants can not bite the sheath, so that the damages on the optical cable by ant biting in a pipe at an area with a serious anti problem are prevented, the normal state of the cable is ensured, and the application region of the cable is extended. The cable based on a simple and reasonable structure has advantages of small cable diameter, high fiber density, large fiber capacity, and low duty ratio and can be laid in a pipe conveniently; and the bending performance is good. During branched connection, 4 to 24 fibers can be melted once, so that the construction time is saved and the manpower cost is lowered, and the construction efficiency is improved. On the basis of the full drying type dielectric structure, branched connection is realized conveniently and usage becomes convenient.

Methods, compositions, and systems for steeping, propagation and fermentation, particularly large-scale operations for production of starch and ethanol and fermentation product streams are provided. Addition of mycotoxin mitigating enzymes or microorganisms expressing mycotoxin mitigating enzymes to steeping, propagation, and / or fermentation tanks, and / or to post-fermentation product streams, mitigates mycotoxin levels in fermentation co-products obtained from mycotoxin contaminated feedstocks.

The invention discloses a preparation method of a high-yield camellia oleifera shell pulp. The preparation method of the high-yield camellia oleifera shell pulp specifically comprises the steps of mechanical grinding, pre-impregnation, mechanical disc grinding treatment, washing, defibering and screening. The preparation method prepares the high-yield camellia oleifera shell pulp through a chemical and mechanical method; the prepared high-yield camellia oleifera shell pulp has the advantages of being high in yield, good in pulping performance and drainability and the like and can be applied tothe fields of paper-based packaging, molding and decorating materials and the like, thereby to some extent easing the stress brought about by shortage in papermaking fiber resources. Besides, a largenumber of waste camellia oleifera shells are applied to the fields of pulping and papermaking to achieve efficient and high-value application of agricultural waste.

The invention discloses a cisatracurium besilate content testing method which comprises the following steps: respectively weighing a test substance and a reference substance in a measuring flask, adding hydrochloric acid for dissolving and metering a volume to a scale, shaking up to prepare a corresponding solution, finally, measuring the solution according to an ultraviolet-visible spectrophotometry, measuring absorbance at a place of a maximum adsorption wavelength of 280nm, and calculating the content of cisatracurium besilate according to an anhydrous substance. According to the cisatracurium besilate content testing method, the solution is simply and conveniently prepared, no organic solvent is used, and the pollution to the environment and the harm to a human body are small. The cisatracurium besilate content testing method is higher in testing speed, and the time of testing each batch of products in average only needs 30 min. A place of a maximum adsorption wavelength of 280 nm is selected, so that the testing accuracy is ensured. The cost of a reagent used in a process of checking each batch of samples does not exceed 20 yuan; the testing cost of each batch of samples by adopting a high-performance liquid chromatography method is not less than 200 yuan, so that the cost of enterprises is greatly lowered.

The invention discloses a semi-solid-state complex no-tillage dry direct seeding method for crop seeds. The no-tillage dry direct seeding method comprises the following steps: S1, keeping a water layer of 1cm-5cm in a ditch, and paving straws obtained by harvesting preceding crops on a ditch surface; S2, applying a base fertilizer on the ditch surface paved with the straws and cleaning the ditch; S3, seeding the crop seeds on the ditch surface, and mixing the crop seeds with semi-solid-state biomass materials, a compound fertilizer and a biopesticide before seeding before seeding seeds, wherein the mixing mass ratio is that the crop seeds to the semi-solid-state biomass materials to the biopesticide is (1-10) to (70-800) to (1-3), and the moisture content of the semi-solid-state biomass materials is 40%-80%; and S4, after seeding the seeds, keeping the ditch surface at a dry state for 3-7 days. According to the semi-solid-state complex no-tillage dry direct seeding method, tillage and combustion of winter crop straws are not carried out, a whole land of field immersing water is not used for irrigation and the water immerses after the seeding, and the biological benefits are obvious; the working energy consumption is reduced, stubbles are not killed by pesticides, haze is reduced and the irrigation water is reduced.

The utility model is suitable for the technical field of automobile part processing, and provides an automobile part paint baking frame which comprises a bottom plate, a rotating shaft is rotatably installed on the bottom plate, a supporting plate is welded to the top end of the rotating shaft, a supporting rod used for leaning on an automobile part is welded to the supporting plate, and a partition plate is fixedly arranged on the supporting rod in a sleeved mode. The cover body is fixedly installed on the bottom plate, and a paint baking lamp used for drying the paint surface of the automobile part is fixedly installed on the inner wall of the cover body; and the rotating mechanism is assembled on the bottom plate and is used for rotating the automobile parts. According to the automobile part paint baking frame provided by the scheme, the technical problem that in the paint baking process of automobile parts, the parts can be overturned only when the paint baking work needs to be stopped, so that the whole paint baking process consumes more time and energy is solved.

The invention belongs to the field of medical isotope separation and preparation, and particularly relates to a method for separating and purifying < 212 > Pb from a thorium solution, which comprises the following steps: 1) leacheate is introduced into a Pb selective adsorption column to pretreat the Pb selective adsorption column, and then < 232 > Th salt solution and leacheate are introduced in sequence; 2) continuously introducing a desorption solution into the Pb selective adsorption column, enabling the desorption solution passing through the Pb selective adsorption column to flow into the Th selective adsorption column, and collecting the outflowing desorption solution; a desorption solution only containing 212Pb is obtained; according to the method, the 212Pb in the high-concentration thorium solution can be separated and purified at the same time. While < 232 > Th impurity entrainment and pollution in a < 212 > Pb product are remarkably reduced, compared with a single-column process, the separation time is basically not increased. The separated 212Pb product has high radionuclide purity and chemical purity at the same time, and can meet related pharmaceutical requirements.

The application discloses a method for preparing a coal-saving agent by using metal treatment wastewater, and comprises the following steps: preparing the coal-saving agent by compounding metal treatment wastewater, penetration and dispersion components, emulsification components, catalytic components and oxidation components; and spraying 0.05%-0.1% of the coal-saving agent in the coal, so that the initial combustion temperature of the coal is reduced by 20-50 DEG C, the burnout temperature is reduced by 20-60 DEG C, and the carbon content of the ash is reduced by more than 5%. The application applies the metal treatment wastewater to the production of the coal-saving agent, changes waste into treasure, promotes the recycling of resources, and realizes harmless treatment of resources.

The invention provides haematococcus alternatus and application thereof. The classification of the haematococcus alternatus is named as Alterrythrobacter sp. H2, and the classification of the haematococcus alternatus is named as Alterrythrobacter sp. The preservation unit is China General Microbiological Culture Collection Center (CGMCC); the address is Institute of Microbiology, Chinese Academy of Sciences, No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing; the preservation date is July 29, 2024, and the preservation number is CGMCC (China General Microbiological Culture Collection Center) No.31487. The alternated red bacillus provided by the invention can degrade various polycyclic aromatic hydrocarbons under various environmental conditions of high salt, high temperature, low temperature, acidity, alkalinity, chromium combined pollution, arsenic combined pollution and the like.

The application provides a process and equipment for removing m-methylaniline and indole in coking nanofiltration concentrated water, a catalyst and a preparation method thereof, and the water quality of the coking nanofiltration concentrated water is as follows: conductivity 21300-34560 muS / cm, sulfate ion 567-1340 mg / L, m-methylaniline 45-78 mu g / L, and indole 23-39 mu g / L; the process comprises the following treatment steps: the coking nanofiltration concentrated water enters the ozone catalytic tower from the bottom of the tower and flows out from bottom to top, and the ozone catalytic tower is internally provided with a modified peanut shell biochar catalyst; after the ozone catalytic reaction, the water quality of the coking nanofiltration concentrated water is as follows: conductivity 21300-34560 muS / cm, sulfate ion 567-1340 mg / L, m-methylaniline 3-7 mu g / L, and indole 1-6 mu g / L.

The present application provides a kind of prevention and control method of green moss in water lily planting pool, specifically belongs to water quality control technical field.The prevention and control method of green moss in water lily planting pool described in the present application includes the following steps: before planting water lily, water injection, water level is controlled at 15~20cm, copper sulfate is applied to kill green moss and its spores, keep water body not to flow during disinfection;After disinfection, apply sodium thiosulfate, and plant water lily;After planting water lily, keep replenishing water, control water level to 40~50cm, when green moss first outbreak, apply mineral fulvic acid potassium and composite bacillus;Subsequent green moss outbreak, apply mineral fulvic acid potassium, or apply mineral fulvic acid potassium and composite bacillus.The prevention and control method described in the present application is safe and efficient, which can quickly and effectively remove green moss without inhibiting the growth of water lily, and also does not affect the harvest of water lily.

This utility model discloses a continuous deoiling device for microcrystalline wax, including a sealed wax melting tank and a deoiling device. The sealed wax melting tank transports the mixture to the inside of a spiral plate heat exchanger via a variable frequency pump. The spiral plate heat exchanger is connected to a high and low temperature integrated machine, which can circulate and cool the coolant flowing inside the spiral plate heat exchanger. The spiral plate heat exchanger transports the crystallized mixture to the inside of a centrifuge. The centrifuge separates the crystallized wax from the filtrate through centrifugal action, and the separated filtrate enters the sealed filtrate tank for recycling. This utility model can achieve continuous deoiling of microcrystalline wax through the synergistic effect of components such as the sealed wax melting tank, variable frequency pump, spiral plate heat exchanger, and centrifuge. At the same time, the curved structure in the channel of the spiral plate heat exchanger forces the fluid to form a strong spiral flow. The high flow velocity and turbulence can scour the wall surface and prevent wax crystals or impurities from depositing.

The application discloses a titanium-based cast iron release agent, which comprises a base and water, and the base is composed of raw materials with the following mass percentages: 20-80% of silicon-based raw materials and 20-80% of titanium-based raw materials; the titanium-based raw materials are flue dust removal ash generated in the electric furnace process of high-titanium slag smelting. The application uses the flue dust removal ash generated in the electric furnace process of high-titanium slag smelting as a titanium raw material to prepare the titanium-based cast iron release agent, realizes the resource recycling of the flue dust removal ash, reduces the pollution to the environment, and improves the economic value; meanwhile, all preparation processes are carried out under normal temperature and pressure conditions, no additional energy is required, and when the titanium-based cast iron release agent is applied to a cast iron machine mold, the surface of the cast iron block can be ensured to be smooth and easy to release.

The utility model provides a kind of for coke coal pre-arrangement gangue intelligent dry method sorting equipment, it belongs to coal sorting technical field, wherein upper layer X-ray generator, upper layer beating device, lower layer X-ray generator and lower layer beating device are all installed on equipment rack, unified dust collector and control terminal are equipped;Upper layer X-ray receiver and lower layer X-ray receiver are respectively arranged in the inner cavity of upper layer sorting conveying device and lower layer sorting conveying device;Upper layer sorting conveying device and lower layer sorting conveying device all include transmission belt, transmission roller and driving motor, transmission roller is fixedly connected in the inner cavity of equipment rack by bearing.Compared with traditional single-layer photoelectric sorting equipment, the utility model uses upper and lower double-layer sorting structure, a single device can process two layers of coal simultaneously, greatly improves the processing capacity of coal, when facing a large number of coal sorting tasks, multiple devices do not need to be used simultaneously, saves sorting time, improves overall production efficiency.

The invention provides a melamine resin powder toughening granulation method and granulation equipment thereof, and relates to the technical field of thermosetting resin.The melamine resin powder toughening granulation method comprises the following preparation processes that firstly, thermoplastic resin powder is added into a solvent to prepare a thermoplastic resin solution; 2, wrapping inorganic rigid particles with a thermoplastic resin solution to obtain a mixture; 3, the mixture is subjected to spray drying and ground into superfine powder, and then the superfine powder is mixed with melamine powder to obtain composite particles; step 4, adding carboxymethyl cellulose and zinc stearate into the composite particle material, and carrying out double-roller pressing by virtue of a pelletizer, so as to obtain a flaky material; step 5, crushing and granulating the flaky material to obtain granules; sixthly, screening the particles through a screen to obtain finished particles; and 7, re-granulating the unqualified material until qualified uniform melamine resin particles are obtained. Through the technical improvement of the three steps of wrapping, spray drying and grinding, on the basis that the toughness and the flowability of the obtained granules are improved, the uniformity of products formed by compression molding is good.

The utility model relates to gold ore crushing field, disclose a kind of gold ore jaw crusher, including crushing box, the detachable installation of upper jaw plate and lower jaw plate is separately in the inner wall of crushing box, the detachable installation of screen is in the inner wall of crushing box, the dust absorption box is fixedly connected in the outer wall of crushing box, the fan case is fixedly connected in the lower surface of dust absorption box, the dust collection box is fixedly connected in the lower surface of fan case, the inner wall of dust collection box is penetrated and is provided with sprinkler, the outer wall of sprinkler is fixedly connected with water pipe, the box plug-in board is inserted in the inner wall of dust collection box, the inner wall of box plug-in board is rotatably connected with limit knob. In the utility model, the dust absorption of existing negative pressure fan in fan case is carried out, and after filtration by screen, sedimentation can effectively reduce dust pollution generated in the process of crushing ore, when cleaning dust collection box, only need to rotate limit knob and take out box plug-in board, save time and effort, reduce equipment downtime maintenance time.

The utility model relates to the technical field of automobile door panel processing, and discloses a welding tool for assembling an automobile door panel, which comprises a machine body, a fixed adjusting component and a protective component are arranged above the machine body, the fixed adjusting component comprises a rectangular frame, and a door panel body is placed on the upper surface of the rectangular frame. According to the welding tool for assembling the automobile door panel, through combination of an air cylinder and a rubber pad, stable clamping of a door panel body is achieved, the rubber pad protects the surface of the door panel from being damaged, the adaptability of equipment to door panels of different sizes is enhanced through a limiting rod and a swing piece, the height of a rectangular frame is adjusted through a traction rope, and the door panel is accurately positioned; the welding assembly supports double-face welding, the efficiency is greatly improved, a protective curtain and a collecting frame are matched with a breathable grid plate, welding smoke is effectively extracted and filtered, the air quality is improved, the health of operators is guaranteed, residues are conveniently collected and discharged through the design of a scraper, impurity retention is avoided, the welding process is optimized through the overall structure, and the production efficiency, the environmental protection property and the safety are improved.

The utility model relates to an efficient titanium dioxide crude product classification treatment device which is characterized in that a discharge port of a bucket elevator is connected with an inlet electric three-way valve through a discharge pipe, a first discharge pipe connected with the inlet electric three-way valve is connected into a crude product bin, and a second discharge pipe is connected into a temporary storage bin; a discharging pipe at the bottom of the temporary storage bin is connected with an outlet electric three-way valve, a first material distributing pipe connected with the outlet electric three-way valve is connected into a first magnetic separator, an outlet of the first magnetic separator is connected into a spiral conveyor through a qualified material pipe, and a discharging pipe of the spiral conveyor is connected with an inlet of a bucket elevator; a second material distributing pipe connected with the outlet electric three-way valve is connected into a second magnetic separator, and an outlet of the second magnetic separator is connected with a discharging and packaging system through an unqualified material pipe. The device can quickly isolate abnormal materials from a main production line to enter the temporary storage bin, avoids mixed loading pollution with normal materials, and ensures stable quality of main products.

The utility model relates to the technical field of silk screen printing, concretely to an automatic non - woven fabric silk screen printing device, including conveying mechanism, one side of conveying mechanism is installed with drive mechanism, one side of drive mechanism is provided with printing mechanism, the below of printing mechanism is provided with silk screen, the inside of silk screen is provided with two symmetrical ink blocking mechanism, the both sides of printing mechanism are provided with symmetrical linkage vibration mechanism, the utility model discloses through setting up ink blocking mechanism, utilize the cooperation of softness cover and magnet, form the closed ink cavity between the ink scraping plate and the ink return plate, prevent the ink from escaping to both sides in the printing process, reduce the pollution of ink to silk screen invalid area, reduced the subsequent silk screen cleaning difficulty and workload, through setting up linkage vibration mechanism, in the printing mechanism movement process, utilize the knob to lift up the crank rod and drive the patting ball knock the trembler plate, make the ink even dispersion, improved the evenness and stability of printing quality.

The utility model relates to the technical field of steel cold bending test, concretely is a kind of steel cold bending testing machine workbench, including cabinet, frame, cylinder and cleaning device, frame is fixed on the upper surface of cabinet, cylinder is fixed on the upper surface of frame, and cleaning device is set in one end of frame.The utility model can utilize the magnetic force of magnetic attraction rod to automatically adsorb the debris generated by steel bending, and then the debris is scraped into the box body by motor drive and scraper cooperation, realizing the rapid and efficient cleaning of debris, reducing the accumulation of debris to affect test accuracy and equipment operation, reducing the time and effort of manual cleaning, and improving the cleaning and maintenance convenience of workbench.

The utility model discloses a thermal power plant air preheater with nickel titanium alloy function coating belongs to air preheater technical field, a thermal power plant air preheater with nickel titanium alloy function coating includes the shell, a layer nickel titanium alloy function coating covers the shell outside, the heat exchange subassembly is rotationally arranged in the shell, the shell upper and lower sides are provided with the air inlet, the air outlet, the smoke outlet and the smoke inlet respectively with heat exchange subassembly intercommunication, this technical scheme can set up nickel titanium alloy function coating, can prevent the wall thickness thinning of air preheater because of abrasion, reduce the air preheater's air leakage rate, improve equipment overall integrity, and then reduce the maintenance use cost, can reduce the environmental pollution caused by the abrasion problem of air preheater simultaneously.

The present invention relates to a composition for controlling wood pests and use thereof. Specifically, the composition of the present invention comprises dimethyl disulfide (DMDS) and carbon dioxide (CO2) as active ingredients to control pests present in or occurring on wood. The composition of the present invention replaces bromomethane, thereby minimizing environmental pollution, ensuring uniform diffusion of the composition, and having excellent control efficiency.

The application discloses a quaternary solid waste-based soil stabilizer (GSCP) for a base layer, which is composed of slag (GGBFS), steel slag (SSA), calcium carbide slag (CS) and phosphogypsum (PG) and has a weight ratio of GGBFS:SSA:CS:PG=56:24:12:8. The stabilizer forms C-S-H colloid and ettringite (AFt) through alkaline activation and sulfate activation, does not need to add cement or chemical activator, is used for stabilizing silty clay and steel slag mixed soil, and significantly improves the unconfined compressive strength, splitting tensile strength, water stability and freeze-thaw resistance. Compared with a traditional cement-based stabilizer, the application reduces carbon emission by 82% and cost by 31.25%, provides a low-carbon and economical solution for road engineering, and is suitable for the base layer and the subbase layer of a secondary road or above.

The utility model discloses a kind of paint spraying equipment for ship parts, the utility model relates to paint spraying equipment technical field.It is including: liquid storage shell, the top of the liquid storage shell is fixedly connected with recovery assembly, the inner wall of the liquid storage shell is fixedly connected with spray assembly;The spray assembly includes stepper motor, the top of the stepper motor is fixedly connected with rotating shaft, the outer wall of the rotating shaft is fixedly connected with fixed rod, and the fixed rod is along the central axis of rotating shaft annular array arrangement, the top of the fixed rod is rotatably connected with rotating rod, this paint spraying equipment is by setting spray assembly, fixed rod makes circular motion with rotating shaft, and the paint spraying angle of spray head can be adjusted by rotating rod, limit disc, plug post and top spring etc. Component, so that spray head can realize all-around paint spraying to ship parts, and this paint spraying equipment reaches the purpose of paint spraying equipment for ship parts.

This invention discloses a device for recycling and reusing leather processing waste, belonging to the field of leather processing waste treatment technology. The device includes a frame, on which are mounted a feeding hopper, a dual-shaft crushing mechanism, a negative pressure adsorption chamber, and a dust recovery assembly. The dual-shaft crushing mechanism includes a crushing shaft with anti-entanglement blades, an elastic scraper ring, and a reciprocating feeding rod, with a pull-out screen below. The negative pressure adsorption chamber is connected to the dual-shaft crushing mechanism via a connecting duct. The dust recovery assembly includes a cyclone separator, a filter cartridge, and a dust collection box connected in sequence. A compression chamber with an automatic top-loading plate is located below the dust collection box. This invention effectively solves the problem of waste entanglement and blockage through the synergistic action of the anti-entanglement blades, the elastic scraper ring, and the feeding rod; negative pressure adsorption combined with cyclone separation and filtration improves recycling efficiency and reduces dust pollution; the automatic top-loading and shaping of the compression chamber facilitates transportation and reuse. It has the advantages of high automation, high recycling efficiency, and good environmental performance.

The application discloses a method for co-production of aviation kerosene precursor and carbon nanotubes from waste oil, which comprises the following steps: catalytic pyrolysis: under an inert atmosphere, oil compounds are subjected to catalytic pyrolysis under the action of a catalyst, and products are condensed to obtain non-condensable gas and liquid aviation kerosene precursor; non-condensable gas purification: CO2 and moisture in the non-condensable gas are removed to obtain purified gas; chemical vapor deposition: under the action of a foamed metal catalyst, the purified gas is subjected to chemical vapor deposition to obtain carbon nanotubes. The application realizes preparation of aviation kerosene precursor with hydrocarbon selectivity over 80% through catalytic pyrolysis, and has strong practicability in fuel deoxygenation; through reforming and upgrading of the non-condensable gas, preparation of carbon nanotubes is realized, and the added value of pyrolysis products is greatly improved. The application has a short path and low pollution degree, realizes resource utilization of waste oil, achieves the purpose of environmental protection, and has application value in the fields of energy and environmental protection.

This invention belongs to the field of catalyst preparation technology, specifically disclosing a catalyst for the hydrogenation of carbon dioxide to low-carbon olefins, its preparation method, and its application. The preparation method is as follows: An aqueous solution of the target metal salt is prepared, a precipitant is added for co-precipitation, and the solution is filtered, washed, dried, and calcined to obtain the corresponding metal oxide. An aluminum source, triethyl phosphate, a silicon source, and an imidazole derivative template agent are added to deionized water, and mixed to form a concentrated gel. The resulting concentrated gel system is heated to crystallize without the addition of a mesoporous pore-forming agent. The crystallized product is separated, washed, dried, and calcined to obtain a molecular sieve. The metal oxide and the molecular sieve are physically mixed and ground at a mass ratio of 1:10 to 10:1 to obtain a composite catalyst. This invention, through the synergistic effect of triethyl phosphate and the concentrated gel system, induces a non-classical growth mechanism to achieve multi-level pore self-assembly, without the need for additional mesoporous template agents, and significantly reduces the amount of template agent used. The composite catalyst exhibits mild acidity and excellent diffusion performance.

The utility model relates to portable crop pest killer technical field especially portable crop pest killer, including pest killer shell, the pest killer shell is provided with connecting mechanism, the connecting mechanism contains the first assembly of setting in the pest killer shell upper section, the second assembly is provided with in the pest killer shell middle section, the third assembly is provided with in the pest killer shell lower section. Portable crop pest killer adopts the physical pest killing mode of double pest killing lamp first pest killing lamp and second pest killing lamp combination airflow suction, avoids the use of chemical pesticide, effectively reduces the pollution to the ecological environment such as soil, water source, the top drive motor drives the fan blade to produce downward airflow, the bottom exhaust fan provides strong suction, both cooperate with each other, accelerate the pest to move to the pest killer inside and transport to the collecting cylinder, again cooperate with the control of the falling rhythm of the pest of rotary plate and fixed baffle, significantly improve the pest trapping and collection efficiency, and the pest killing effect is greatly promoted.

A conveying device for an intelligent coating production line of elevator components, comprising a linear conveying device and a turnover device, the turnover device comprising a passive turnover unit arranged at the lower end of the linear conveying device and translating with the movement of the linear conveying device, and a turnover driving unit fixedly arranged in a paint spraying chamber and used for driving the passive turnover unit to rotate. The passive turnover unit on the linear conveying device cooperates with the turnover driving unit in the paint spraying chamber to realize the function of turning over the elevator components conveyed into the paint spraying chamber. The paint spraying structure in the paint spraying chamber only needs to be arranged on one side to realize full spraying of the elevator components, which improves the spraying efficiency, simplifies the paint spraying structure, and has the advantages of reducing pollution, high practicality and good economy.

The utility model relates to an automatic slag discharging device for metallurgical slag, and aims to solve the problems that the slag cooling efficiency is low and the slag discharging process is not environment-friendly. The device comprises an L-shaped cooling pipe with a bent bottom, wherein the upper section of the L-shaped cooling pipe is communicated with a slag discharge port of the metallurgical furnace; the circulating cooling part is arranged on the cooling pipe and is used for cooling slag; the dispersing part comprises a rotating power mechanism, a rotating shaft and a dispersing plate, dispersing holes are densely distributed in the dispersing plate, the dispersing plate is located below the slag discharging opening, the rotating shaft is driven by the rotating power mechanism to rotate, slag is discharged from the dispersing holes under the action of gravity and centrifugal force and dispersed into particles, and rapid cooling and subsequent recycling treatment are facilitated; the blades are arranged on the rotating shaft and located above the slag discharging opening, and the blades rotate synchronously when the rotating shaft rotates; one end of the waste gas discharge pipe is communicated with the top of the cooling pipe, and the other end is connected with a waste gas treatment system for discharging and treating waste gas generated by slag cooling. According to the utility model, the slag cooling efficiency is improved, and the slag discharging process is more environment-friendly.