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869results about How to "Reduce dust" patented technology

Lifting, transferring and mixing device for coarse aggregate ultra-high performance concrete premix

The coarse aggregate ultra-high performance concrete premix lifting, transferring and mixing device comprises a control system, an aggregate batching system, an aggregate lifting system, a dry mixing main machine system, a feeding vehicle, a steel fiber feeding system and a stirring system, the whole stirring process is automatically controlled and comprises key steps of automatic metering, automatic raw material feeding, mixing and the like, so that manual operation is remarkably reduced, errors and inconsistency caused by manual metering are avoided, and the accuracy and repeatability of stirring each time are ensured; step-by-step feeding of each part is coordinated through a control system, so that the stirring efficiency and the uniformity of concrete are improved; by establishing a relational expression between a concrete mixture stirring uniformity index and parameters such as the stirring time, the stirring speed, the number of stirring blades, the vibration frequency of the two-stage vibrating screen and the like, key parameters in the stirring process are more accurately controlled, and it is ensured that the stirring uniformity of each batch of concrete reaches a preset standard.
Owner:THE FIRST ENGINEERING COMPANY OF CCCC FOURTH HARBOUR ENGINEERING CO LTD +1

Dust treatment method and device for pedestrian area of fully mechanized coal mining face

The invention belongs to the technical field of coal mine dust prevention, and relates to a fully mechanized coal mining face pedestrian area dust treatment method and device.The device mainly comprises a hydraulic support, an injection dust removal device, a dust removal control box, a main control box and a coal mining machine, the hydraulic support is used for supporting a coal mining face, and the injection dust removal device is arranged at the top of the hydraulic support; the device is used for generating negative pressure to suck and purify dust-containing airflow in a pedestrian area below the hydraulic support. The dust removal control box receives working signals of the hydraulic support and the coal mining machine, controls the injection dust removal device and is electrically connected with the main control box and the automatic pressure regulating valve. A locator is arranged on the leeward side of the coal mining machine to identify the position of the coal mining machine The device purifies dust-containing airflow through spray injection, covers a roadway bottom plate and a dust production area of the scraper conveyor, captures and wets coal dust, reduces raised dust and transverse diffusion of dust, reduces the dust concentration of a pedestrian area, improves the working environment and reduces dust harm.
Owner:SHENHUA SHENDONG COAL GRP +2

Flower mud material crushing and conveying line

ActiveCN224198480Ureduce depthLower the height of the feed hopperConveyorsPlastic recyclingMolecular sieveOperational safety
The utility model belongs to the technical field of carbon molecular sieve production equipment, and discloses a flower mud material crushing conveyor line which comprises crushing equipment, a bottom belt conveyor, an inclined lifting belt conveyor and a vibrating screen, a sunken main pit is formed in the workshop ground of a flower mud crushing station, the crushing equipment is installed in the main pit, and the inclined lifting belt conveyor is installed in the main pit. A feeding hopper of the crushing equipment is removed towards the outer side wall, and the bottom of the feeding hopper is connected through a horizontal steel plate, extends and is connected to the workshop ground in a lap joint mode. The bottom belt conveyor is horizontally connected below a discharge port of the crushing equipment, the bottom end of the inclined lifting belt conveyor is connected at the discharge end of the bottom belt conveyor, and the high end of the inclined lifting belt conveyor inputs crushed flower mud materials to a feed port of the vibrating screen. According to the flower mud material crushing conveying line, crushing equipment is installed in a pit mode, the feeding difficulty is lowered, and the operation safety is improved.
Owner:HEBEI HUIXU POLYMER NEW MATERIAL TECHNOLOGY CO LTD

Portable laser range finder

The utility model provides a portable laser range finder, and belongs to the technical field of laser range finders. The mounting box can be used for mounting the laser range finder body; the laser range finder body is fixedly connected in the mounting box and can be used for detecting the distance of an object; the fixing grooves are formed in the mounting box and can be used for accommodating the supporting legs; the two limiting strips are fixedly connected into the fixing grooves and can be used for limiting the supporting legs; the two square grooves are formed in the fixing grooves and can be used for mounting second suction pieces; the two second suction pieces are fixedly connected into the two square grooves correspondingly, and the supporting legs and the mounting box can be fixedly mounted through mutual adsorption of the two second suction pieces and the square grooves; when the laser range finder body is used, after the two supporting legs are swung to be mutually expanded, the supporting rod is shifted to enable the mounting box to support the laser range finder body, then the supporting plate is shifted to support the supporting legs, and the effect of improving use convenience for workers is achieved while the carrying space is reduced.
Owner:ZHEJIANG RONGXIN ENG TESTING CO LTD

Multi-stage vibrating screen classifier for ore concentration

The invention provides a multi-stage vibration screening machine for ore fine selection, and belongs to the field of ore screening, the multi-stage vibration screening machine comprises a screening frame, a multi-stage screening mechanism is arranged on one side of the screening frame and used for conducting multi-stage screening on ore, and a dust falling assembly is arranged on one side of the multi-stage screening mechanism and used for conducting dust falling treatment on the ore being screened. A conveying assembly is arranged on one side of the multi-stage screening mechanism and used for automatically conveying ore needing to be screened into the screening frame. According to the multi-stage ore screening device, by arranging the multi-stage screening mechanism, multi-stage screening of ore is achieved, and the effect of conveniently replacing a screen is achieved; through the arrangement of a vibration motor and a spring, the screening frame can vibrate, and the first screen, the second screen and the third screen are matched for use, so that multi-stage screening can be performed on ores; and the first screen, the second screen and the third screen are connected to the screening frame in a bolted mode, so that a worker can replace the first screen, the second screen and the third screen conveniently according to different ores, and the screening efficiency is improved.
Owner:LIANYUNGANG XINQILI NEW MATERIALS CO LTD

Copper smelting method of Ausmelt furnace without top blowing spray gun

The invention discloses a copper smelting method of an Ausmelt furnace without a top-blowing spray gun, and relates to the technical field of copper smelting of the Ausmelt furnace, and the copper smelting method comprises the following steps: (1) spraying coal powder and mineral powder into a molten pool through an ore gun and a coal gun of the Ausmelt furnace without the top-blowing spray gun; (2) a side-blowing combustion gun of the Ausmelt furnace without the top-blowing spray gun sprays fuel to the molten pool; and (3) when the copper matte reaches the target grade 58-62%, ending the reaction, recording the melt temperature distribution, measuring the viscosity of the slag, and taking the slag sample for analyzing the content of Fe3O4. The Ausmelt furnace without the top blowing spray gun comprises a flue, a baffle, a combustion gun, an ore gun and a coal gun, a flue is arranged on the upper portion of the furnace body, a baffle is arranged below the flue, combustion guns are symmetrically arranged on the furnace body above a slag layer, coal guns are symmetrically arranged on the furnace body at the junction of the slag layer and a molten copper bath, ore guns are symmetrically arranged on the furnace body at a molten copper bath layer, and pressure gauges are arranged on the ore guns and the coal guns.
Owner:NORTHEASTERN UNIV CHINA

Floating suspension type jacket high-pile wharf structure suitable for ultra-large water depth and construction method of floating suspension type jacket high-pile wharf structure

The invention discloses a floating suspension type jacket high-pile wharf structure suitable for ultra-large water depth and a construction method, and belongs to the technical field of high-pile wharfs. The structure comprises a jacket, a pile foundation and an upper structure; the lower part of the upper structure is connected with a pile foundation; the jacket is installed on the lower end face of the upper structure and connected to the pile foundation. The upper structure comprises a sleeve box type pile cap, a cross beam, a longitudinal beam and a laminated panel; the sleeve box type pile cap is installed on the upper end face of the pile foundation. The longitudinal beam system is installed on the upper end face of the sleeve box type pile cap. The cross beams are mounted between the adjacent longitudinal beam systems; and the laminated panel is flatly laid on the surface layer of the upper structure. The structure adapts to a large-water-depth and large-flow-velocity environment by exerting the structural advantages of the structure, and the structure is small in underwater construction work amount, high in assembly degree, small in environmental influence, short in construction period and low in engineering investment.
Owner:CCCC THIRD HARBOR CONSULTANTS

Machine-made sand grinding device

The utility model discloses a machine-made sand grinding device, which relates to the technical field of grinding devices, solves the problem that sieve plates of some existing machine-made sand grinding devices are fixedly arranged in a grinding box, and sieve pores on the sieve plates are possibly blocked when the machine-made sand grinding devices are used, and comprises a box body, and a crushing part and a grinding part which are arranged in the box body, a filter screen is hinged to the inner wall of the box body, a collecting pipe is installed at the position, above the filter screen, in the box body, a collecting box is arranged at the position, below the collecting pipe, of one side of the box body, and a rotating rod is rotationally connected to the interior of the box body. When the gravel crushing device is used, gravel needing to be crushed can be crushed by the crushing part firstly, the crushed gravel can fall on the filter screen, the driving mechanism can drive the rotating rod and the eccentric wheel to rotate, the eccentric wheel can drive the lifting plate and the filter screen to move up and down in a reciprocating mode under the cooperation of the spring, and the gravel on the filter screen is filtered in a vibrating mode; therefore, the condition that the filter screen is blocked can be reduced.
Owner:安徽建工瑞特新材料科技有限公司

Drying equipment for electric smelting zirconium yttrium production

The invention relates to the field of powder drying, in particular to electric smelting zirconium yttrium production drying equipment which comprises a fixing frame, a rotary drum and the like. The fixed frame is rotationally connected with a rotary drum; a plug plate is arranged on the upper side of the drum; a heating pipe is arranged in the rotary drum; a plurality of exhaust ports are formed in the right side of the drum; and a blocking part is arranged on the rotary drum. Compared with an existing mode that a roller or a stirring barrel is used for mixing and drying, double-layer heating is conducted on powder through the heating pipes arranged in the material barrel and the rotating barrel, and the drying efficiency of the powder is improved; secondly, compared with an existing mode that a roller or a stirring barrel is used for mixing and drying, the moving space in the powder mixing process is limited through the area between the rotating barrel and the material barrel, the dust raising condition generated in the powder mixing process is reduced, the surface of the material barrel can be cleaned when the stirring blades of the rotating barrel rotate, powder is prevented from being attached to the surface of the material barrel, and the drying efficiency is improved. The heating effect is influenced.
Owner:JIANGXI XINXIN POWDER NEW MATERIALS CO LTD

Environmentally friendly wet quenching system

The environmentally friendly wet quenching system of the present invention relates to the field of quenching technology in the coking industry, and in particular to a wet quenching system with environmental protection function. The present invention comprises: a quenching car travels along its track, enters and exits the bottom of a quenching tower, and a fixed cover and a top water spraying device are arranged in the quenching tower; a dust removal and whitening equipment is connected to the quenching tower through a pipeline; a movable cover is arranged at the lower part of the fixed cover, and the movable cover moves downward to cover the top of the quenching car; the environmentally friendly wet quenching system also includes a side water spraying device; the side water spraying device has N nozzles, each of which is aimed at a water injection port at the rear of the rear side wall of the quenching car; and each nozzle is provided with a flow regulating valve. The technical solution of the present invention solves the problems in the prior art that the quenching flue gas is highly dissipated, the "white smoke" of the tail gas is serious; the water consumption is large; the quenching time is long; the quenching is not complete, resulting in damage to the coke drying platform and the conveyor belt; the quenching water is highly corrosive to the vehicle body structure, resulting in a short service life of the whole vehicle.
Owner:DALIAN ZHONGKUANG EQUIP MFG

Screening machine for construction waste

The utility model discloses a screening machine for construction waste, which relates to the technical field of construction waste and comprises a recycling bin, a fixing assembly is arranged at the lower end of the recycling bin, a crushing assembly is arranged in the recycling bin, a pushing assembly is arranged in the recycling bin, and a spraying assembly is arranged on the inner wall of the recycling bin. The spraying assembly comprises a circulating pipe fixedly installed on the inner top wall of the recycling box, a spraying head is fixedly installed on the outer wall of the circulating pipe, and a water tank is fixedly installed at the upper end of the recycling box. The screening machine for the construction waste has the advantages that the water tank, the water inlet pipe, the pipe cover, the water pump, the pipeline, the circulating pipe and the spraying head are arranged at the upper end of the recycling box; a worker conveys water to the water inlet pipe and conveys the water into the water tank, the water pump is started to work through the switch module to convey the water into the pipeline, the pipeline conveys the water into the circulating pipe, the water in the circulating pipe is sprayed out from the spray head, the interior of the recycling box is cleaned, and dust in the recycling box is reduced.
Owner:SUQIAN ZHIJIE CONSTR WASTE DISPOSAL CO LTD

Feeding device

The utility model discloses a feeding device which comprises a prismatic hopper, a sealing plate mechanism and a blanking slope mechanism, the prismatic hopper is of an inverted-prismatic-table-shaped empty shell structure with an upper opening and a lower opening, a sealing plate mechanism is arranged at a discharging opening in the bottom of the prismatic hopper, a body of the sealing plate mechanism is a sealing plate of a plate-shaped structure, the sealing plate is in sliding fit with the discharging opening of the prismatic hopper, a fixing frame is fixed to the side wall of the bottom of the prismatic hopper, and a discharging slope mechanism is rotationally matched with the fixing frame. A main body of the discharging slope mechanism is a material guiding slope, the material guiding slope is of a slope structure with baffles on the two sides, the upper end of the material guiding slope is fixed to a deflection shaft, the deflection shaft is rotationally matched with the fixing frame, a connecting rod is fixed to the deflection shaft, and the other end of the connecting rod is rotationally matched with the telescopic end of a second air cylinder. The non-telescopic end of the second air cylinder is rotationally matched with the prismatic hopper side through a hinged support. The device has the beneficial effects that the feeding flow speed can be adjusted, and raised dust can be attracted.
Owner:MONIER (HUBEI) CONSTR TECH CO LTD

Rice crushing and grinding device

The invention belongs to the technical field of rice processing, and particularly relates to a rice crushing and grinding device which comprises a workbench, a rice crushing box is arranged on the workbench, and a rice crushing assembly is arranged in the rice crushing box. Through the arrangement of the feeding dust removal assembly, dust mixed in rice is separated and removed by adopting a free falling body method, the rice falling on a guide plate and fine particles are layered, and then the layered fine particles are removed according to the weight difference, so that the degree of the dust mixed in the rice is reduced; in addition, the rice falling on the flow guide plate and fine particles can be layered by adopting a free falling body method, and then the layered fine particles are removed according to the weight difference, so that the quality of the processed rice can be improved by reducing the dust and the fine particles of the rice; and the rice is equivalently conveyed to the rice crushing assembly at a uniform speed to be crushed, so that the situation that the rice is hoarded due to too high rice feeding speed at the rice crushing assembly and the crushing efficiency of the rice is influenced is avoided.
Owner:LUAN XIANFENG RICE CO LTD

Efficient heat dissipation type server case shell

The invention relates to an efficient heat dissipation type server case shell, and relates to the technical field of server cases. The efficient heat dissipation type server case shell comprises a shell body and a filter screen, the shell body is further provided with a cleaning mechanism, the cleaning mechanism comprises a cleaning frame and a driving assembly, the cleaning frame is provided with a plurality of bristles, the bristles extend into meshes in the filter screen, and the driving assembly drives the cleaning frame to rotate. And the driving assembly is used for driving the cleaning frame to move in the height direction of the filter screen, so that dust in meshes of the filter screen is brushed off by the bristles. The computer case shell has the effect of ensuring the heat dissipation effect of the computer case shell.
Owner:XINCHENG KUNSHAN WUJIN TECH CO LTD

Positive pressure and negative pressure combined precise ventilation hog house

The utility model relates to a positive pressure and negative pressure combined precise ventilation hog house, which comprises a hog house body, a suspended ceiling is arranged in the hog house body, the internal space of the hog house body is divided into an upper ventilation area and a lower breeding area by the suspended ceiling, a plurality of ceiling windows are arranged on the suspended ceiling, and the suspended ceiling is connected with the hog house body. The ceiling window is communicated with the ventilation area and the breeding area. The utility model provides a ventilation system with combined use of positive and negative pressure fans, which not only can reduce the temperature in a pig house in a large area and remove dust, but also can enable fresh air to be accurately and uniformly blown away on the body surfaces of pigs, so that the air quality in the pig house is kept at a better level, and the ventilation quantity and the energy consumption are reduced while the effective wind speed is not reduced. The wind speed, the pressure and the temperature in the pig house are distributed more uniformly, and the phenomenon of heat accumulation or local supercooling of a traditional pig house is avoided.
Owner:WENS FOODSTUFF GROUP CO LTD

A fully automatic edge grinding machine for rearview mirror lenses

The present invention provides a fully automatic edge grinding machine for rearview mirror lenses, comprising: a processing water tank, which is provided with an inclined surface inside; a suction cup motor assembly, which is arranged in the processing water tank and is used to fix the lens and drive it to rotate; a grinding assembly, which is arranged above the suction cup motor assembly and is used to grind the lens; a material transporting assembly, which is arranged above the suction cup motor assembly and is used to transport the lens; a water spraying pipe is also arranged on the grinding assembly, and the water spraying pipe is used to spray water on the lens; a waste water outlet is also arranged at the bottom of the processing water tank; the lens is placed on the suction cup motor assembly through the material transporting assembly, so as to complete the fixing of the lens; the lens is ground through the grinding assembly, and water is sprayed on the grinding position through the water spraying pipe, so that the ground dust is mixed with the water, thereby reducing dust; at the same time, there is no need for operators to load and unload materials, the degree of automation is high, and the harm of dust to operators is reduced.
Owner:TAIZHOU XINGYU VEHICLE PARTS CO LTD

Prefabricated equipment pipeline combined partition wall, mounting structure and mounting method

The invention relates to the field of fabricated buildings, in particular to a prefabricated equipment pipeline combined partition wall, an installation structure and an installation method.The combined partition wall comprises an ALC batten wall, galvanized square steel tube keels, equipment pipelines and cement fiberboards, and the galvanized square steel tube keels are fixedly installed at the left end and the right end of one face of the ALC batten wall in the vertical direction correspondingly; an equipment pipeline is installed in a cavity between the galvanized square steel tube keels at the two ends, a cement fiberboard is installed on the outer sides of the galvanized square steel tube keels, the two ends of the cement fiberboard are fixed to the galvanized square steel tube keels, and the cement fiberboard covers the outer vertical face of the cavity between the galvanized square steel tube keels at the two ends. Reserved pipeline installation holes are formed in the upper end and the lower end of the cement fiberboard respectively, equipment pipelines are exposed in the reserved pipeline installation holes, when the combined partition wall is installed, the two sides of the combined partition wall are connected with a field assembly wall body respectively, and the surfaces of the connected wall bodies are flush. The pipeline is convenient to install, on-site groove removing is not needed, and the construction environment can be improved.
Owner:绿筑建筑设计(上海)有限公司 +1

Restoration device

The invention provides a restoration device for wafer restoration. The restoration device comprises a first base; the driving roller is arranged on the first base, the driving roller is used for driving the wafer to rotate, and the rotating axis of the driving roller is parallel to the rotating axis of the wafer; the restoration assembly comprises a positioning piece and a supporting assembly, the positioning piece is used for being in positioning fit with the positioning notch of the wafer, and the supporting assembly can ascend and descend relative to the driving roller; and the restoration assembly is arranged on the driving assembly and is in driving fit with the driving assembly, so that after the positioning piece is in positioning fit with the positioning notch of the wafer, the supporting assembly is driven to ascend to lift the wafer and separate from the driving roller. According to the restoration device, the restoration assembly and the driving assembly are arranged, the positioning piece in the restoration assembly is in linkage fit with the supporting assembly through the driving assembly, and after the positioning piece is in positioning fit with the positioning notch of the wafer, the wafer is separated from the driving roller, so that friction between the driving roller and the wafer is avoided.
Owner:SEVENSTAR SEMICONDUCTOR TECHNOLOGIES CO LTD

Novel prop pulling winch

The utility model discloses a novel prop pulling winch, and relates to the technical field of mining equipment, the novel prop pulling winch comprises a base, a vehicle body is arranged on the base, the vehicle body comprises a winding drum, a rope is wound on the winding drum, the novel prop pulling winch further comprises a first-stage cleaning assembly and a second-stage cleaning assembly, the first-stage cleaning assembly is used for cleaning the rope in winding, and the second-stage cleaning assembly is used for cleaning the rope on the winding drum; the first-stage cleaning assembly comprises a concentric-square-shaped piece fixed to one side of the winding drum, the other side of the concentric-square-shaped piece is movably connected with a follow-up brush assembly, one end of a rope movably penetrates through the concentric-square-shaped piece and the follow-up brush assembly and then extends outwards, and the follow-up brush assembly movably abuts against the outer portion of the rope. The secondary cleaning assembly comprises a steel wire roller brush which movably abuts against the winding drum. The problems that in the prior art, after a rope on a winding drum is used for a long time, a large amount of dust or soil is likely to be attached to the rope, the running resistance is increased in the winding or paying-off process, and the service life of the rope is shortened are solved.
Owner:SUZHOU MINING EQUIP MFG CO LTD

Civil air defense door frame assembling and welding tool

The invention relates to the technical field of civil air defense door frames, and discloses a civil air defense door frame assembling and welding tool which comprises a workbench, a clamping and assembling mechanism and a welding mechanism, a plurality of table legs are fixedly connected to the periphery of the bottom of the workbench correspondingly, and vertical plates are fixedly connected to the two ends of the top of the workbench correspondingly. The clamping and assembling mechanism comprises a forward and reverse motor fixedly connected to the center of the bottom of the workbench, when a second supporting table is extruded, the second supporting table pushes an extrusion rod, the extrusion rod drives an air pressure plate to move, the air pressure plate extrudes inert gas in a gas box, and the inert gas is conveyed into the gas box; inert gas enters the diffusion hopper through the bent pipe in the gas box, the inert gas is discharged outwards through the diffusion hopper, and the inert gas is diffused through the diffusion hopper, so that the inert gas is sprayed to the welding position of the door frame, and contact between iron in the door frame and oxygen in air is reduced. Therefore, the occurrence of oxidation reaction is reduced, the generation of ferric oxide is reduced, and the working quality of the device is enhanced.
Owner:王彬 +1

Green and environment-friendly concrete aggregate conveying device

The utility model relates to an environment-friendly concrete aggregate conveying device, which belongs to the technical field of concrete production and comprises a support frame, a fixing frame is fixed at the top of the support frame, and a driving motor penetrating into the fixing frame is fixed on the back of the fixing frame. A transmission assembly fixed to an output shaft of the driving motor is rotationally connected into the fixing frame, mounting frames are fixed to the front side and the rear side of the fixing frame, and rotating rods are in threaded connection with the bottoms of the mounting frames. According to the green and environment-friendly concrete aggregate conveying device, when a driving motor drives a transmission wheel to rotate, a transmission belt can move, so that a cleaning assembly can clean the transmission belt, certain water mist can be generated through the arranged sweeping assembly, and then the situation that a large amount of flying dust affects the working environment is effectively avoided; and the cleaning assembly is located at the bottom of the transmission belt, cleaning can be conducted in the running process, and therefore the surrounding environment is effectively protected.
Owner:四川佰汇混凝土工程有限公司

Sample double-end-face grinding device

The utility model relates to the technical field of test instruments, and discloses a sample double-end-face grinding device which comprises a rack, a positioning table arranged on the rack in a sliding mode, a fixing device arranged on the positioning table and grinding heads arranged on the two sides of the rack and further comprises a dust cover rotationally arranged on the positioning table. The dustproof cover can rotate to cover the outer side of the fixing device, receding grooves allowing the grinding head to pass through are formed in the two side walls, facing the grinding head, of the dustproof cover, and the receding grooves penetrate to the lower surface of the dustproof cover in the direction facing the positioning table. And the polishing head can slide in the receding groove. The dust pollution can be reduced.
Owner:FUZHOU RAILWAY CONSTR ENG QUALITY INSPECTION CO LTD +1

Device and method for cleaning surface of return belt through aerial fog

The invention belongs to the technical field of belt conveyor cleaning, and discloses a device and method for cleaning the surface of a return belt through aerial fog. The aerial fog cleaning device is mainly used for cleaning pollutants on the surface of a return belt of a belt conveyor, the cleanliness of a belt carrier roller is detected in real time in the belt cleaning process, the cleaning strength is controlled, a belt wiper is installed on the rear portion of the aerial fog cleaning device, residual cleaning water on the belt is removed in time, an air blowing device is further arranged on the rear portion of the wiper, and the air blowing device is used for blowing air. Compressed air is used for purging the surface of the return belt to thoroughly blow-dry moisture on the surface of the belt, so that the return belt is thoroughly cleaned at the head of the belt conveyor, and secondary adhesion of materials on the surface of the belt is avoided. The belt cleaning device can thoroughly clean adhesive materials on the surface of a belt, can adjust a cleaning scheme according to the belt cleaning condition in real time, has the characteristics of water saving and low dust, can prolong the service life of the belt, reduces return belt blanking, and saves manpower and material resources for cleaning blanking materials.
Owner:BAOSHAN IRON & STEEL CO LTD

Water grinding wheel machine

The utility model belongs to the technical field of grinding machines, and particularly relates to a water grinding machine which comprises a mounting frame, an upper mounting plate arranged on the mounting frame, a mounting box fixed on the upper mounting plate, a bidirectional motor mounted on the mounting box, a ceramic grinding wheel mounted on the bidirectional motor, a lower mounting plate mounted on the mounting frame, a water tank mounted on the mounting plate and a water pump mounted on the lower mounting plate. The water tank communicates with a first water conveying pipe and is provided with a shunt valve, the water pump communicates with a second water conveying pipe, the mounting box is provided with a water valve, the shunt valve communicates with a shunt pipe, the water valve communicates with a cooling pipe, the cooling pipe is provided with a sprinkler head, and the upper mounting plate is provided with a backflow assembly. By starting the water pump, cooling water in the water tank flows through the first water conveying pipe, the second water conveying pipe, the water distributing pipe and the cooling pipe, so that the cooling water can be sprayed out of the water spraying head, the temperature in the grinding process is effectively reduced, sintering of the ceramic grinding wheel due to friction overheating is prevented, the service life of the ceramic grinding wheel is prolonged, and dust is reduced; and the working environment is optimized.
Owner:SICHUAN HAICHENG CARBON PROD CO LTD

Ventilation system for file storage room

The invention relates to the technical field of archive repository air conditioning, in particular to a ventilation system for an archive storage room, the archive storage room comprises an archive room, a control room, a reading room and a ventilation room, the archive room is internally provided with a plurality of archive cabinets for storing paper archive files; the ventilation system comprises an indoor ventilation structure for circulating ventilation of the interior of the archive room. According to the file cabinet, through circulating ventilation, air filtration and sterilization treatment of the indoor ventilation structure and effective removal of moisture through the condensation dehumidification box, the risk that files are damaged due to moisture, mildew, insect pests and the like is remarkably reduced. Especially for paper archives, air circulation and dehumidification treatment effectively prevent moisture from eroding the archives, and the archives are kept dry and intact. Through multiple filter screen filtration and ultraviolet sterilization, air in the file room becomes fresher and cleaner, and dust, peculiar smell and bacteria in the air are reduced.
Owner:WUHAN TUODAO TECHNOLOGY DEVELOPMENT CO LTD

Environment-friendly dust falling device for coal mining

The invention belongs to the technical field of coal mining dust fall, and particularly relates to a coal mining environment-friendly dust fall device which comprises a supporting frame, two baffles are symmetrically installed on the two sides of the upper end face of the supporting frame, a fixing frame is installed on one side of the upper end face of the supporting frame, a conveying belt is installed in an inner cavity of the supporting frame, and a second rotating shaft is rotationally connected into one side of the supporting frame. One end of the second rotating shaft is fixedly connected with the conveying belt, and a spraying and dust falling assembly is arranged in the lower end of the fixing frame. The problems that when coal mining is carried out on a coal rock layer of a mine through a coal mining machine, a conveying frame is usually installed below the coal mining machine, then coal briquettes collected by the coal mining machine are collected through the conveying frame, meanwhile, the coal briquettes are conveyed to a conveying belt through the conveying frame, and the coal briquettes are conveyed out of the mine through the conveying belt; if dust falling treatment is not carried out on the coal, a large amount of dust can be generated when the coal falls on the conveying belt, and the operation environment and sight of workers are affected.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI

Belt conveyor with dustproof structure

The utility model discloses a belt conveyor with a dustproof structure, which relates to the technical field of belt conveyors and comprises a conveyor shell, a driving motor and a conveying belt, and the driving motor is mounted on one side of the outer wall of the conveyor shell. When the belt conveyor with the dustproof structure is used, water mist is sprayed through the cleaning structure for dust falling treatment, then dust dissipation is prevented, harm to the body of a worker is reduced, the water mist spraying area of the atomization spray head corresponds to the requirements of people, passing ores are cleaned, then the workload of subsequent procedures is reduced, and the working efficiency is improved. According to the belt conveyor, the working efficiency is improved, so that the effect of facilitating dust falling and ore cleaning is achieved, falling of the ore is buffered through the auxiliary mechanism, the ore is prevented from directly colliding with the conveying belt, then raised dust generated by collision of the ore and the conveying belt is reduced, and the effect of facilitating buffering is achieved when the belt conveyor is used.
Owner:贾伟

Saline-alkali soil improvement method based on low-salt organic material

The invention discloses a saline-alkali soil improvement method based on a low-salt organic material. The method comprises six steps of saline-alkali soil detection, organic material selection, organic material pretreatment, organic material application, soil irrigation and soil pH value adjustment. According to the steps of organic material pretreatment and organic material application, it is ensured that the saline-alkali soil fertilization improvement effect is good, the method has the advantage of being good in improvement effect, and the problems that in the using process of an existing saline-alkali soil improvement method, in the using process, low-salt organic materials are inconvenient to efficiently improve the saline-alkali soil, and the soil quality is poor are solved. The problems that if low-salt organic materials cannot be fully utilized, the soil improvement effect may not be obvious, soil salinity cannot be effectively reduced, the soil structure cannot be effectively improved, supplement of the organic materials is lacked, the organic matter content of the soil is difficult to increase, and the fertility and the water and fertilizer retention capacity of the soil are affected are solved.
Owner:INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS

High-cleanliness intelligent dust removal equipment

The utility model relates to the technical field of dust removal, and discloses high-cleanliness intelligent dust removal equipment which comprises a displayer and an adjusting rod, supporting blocks are fixedly connected to the two sides of the rear end of the displayer, a shell is fixedly connected to the rear ends of the supporting blocks, and a stroke groove is formed in the left side of the shell; a stroke block is slidably connected into the stroke groove, and first through holes are formed in the top and the bottom of the rear end of the shell correspondingly. According to the high-cleanliness intelligent dust removal equipment, a stroke block is moved downwards to enable an adjusting rod to drive a telescopic rod, the telescopic rod drives a scraper to move, the surface of the scraper is tightly attached to the surface of a displayer through the tensile force of a tension spring on the telescopic rod, and the cleanliness of the displayer by the scraper is greatly improved; and the surface of the display is cleaned by moving the scraping plate, so that dust on the surface of the display is reduced, the cleanliness of the display is improved, and a user can use the display conveniently.
Owner:ZAOZHUANG HUIQUN ENVIRONMENTAL PROTECTION EQUIP CO LTD

Construction device for preparing modified ardealite highway subgrade

The invention discloses a construction device for preparing a modified ardealite highway subgrade. The construction device comprises a construction vehicle, raw material boxes arranged on the construction vehicle side by side, a material mixing mechanism arranged in the construction vehicle, a compaction mechanism arranged on the rear side of the construction vehicle and a control system in the construction vehicle. Raw material boxes on the construction vehicle are sequentially a water tank, a cement box, a modified phosphogypsum powder box, a clay powder box and a cement mortar box from the rear side to the front side. The material mixing mechanism comprises a material discharging auger assembly, a material mixing rocking hopper, a material discharging box and a humidifying spray head; the compacting mechanism comprises a dragging plate, a first pressing roller and a second pressing roller. Raw materials are dried in advance and loaded into the respective box bodies respectively, mixing in advance is not needed, raw material waste is avoided, the proportioning proportion can be adjusted at any time according to needs, the raw materials are discharged into the mixing rocking hopper according to the proportion to be shaken up, sieved and fall down, then the raw materials are laid on a road in two layers through humidification, and the raw materials are compacted step by step to reduce flying dust, so that the road quality is improved. And the raw materials absorb water and agglomerate, so that the strength of the roadbed is improved.
Owner:ANHUI SANJIAN ENG +1