11results about How to "Reduce dust concentration" patented technology

The utility model relates to a dust explosion protection system for a chemical workshop. The dust explosion protection system comprises a dust removal assembly and a spraying assembly, the dust removal assembly comprises a dust removal box, an air inlet pipe and an air outlet pipe are connected to the dust removal box, a filter cloth frame and a screen plate are installed on the inner wall of the dust removal box, a plurality of pieces of filter cloth are connected between the filter cloth frame and the screen plate, an exhaust fan is installed in the dust removal box, a transmission rod penetrates through the center of the exhaust fan, and a driving motor is installed on the outer side of the dust removal box; a worm is in butt joint with the driving motor, a turbine is meshed with the worm, and the turbine is in butt joint with the transmission rod; the spraying assembly comprises a piston pump, a water inlet pipe and a water outlet pipe are in butt joint with the piston pump, the piston pump comprises a pump shell, a rotary disc is installed in the pump shell, a connecting rod is hinged to the rotary disc, a piston is hinged to the connecting rod, a rotary shaft penetrates through the center of the rotary disc, a first gear is in butt joint with the rotary shaft, a second gear is meshed with the first gear, and the second gear is in butt joint with a worm. And the driving motor can drive the piston pump to operate while driving the draft fan to operate.

The utility model discloses roller polishing equipment capable of adapting to different rollers, which relates to the technical field of roller processing and comprises a base, a mounting frame is fixedly mounted above the base, polishing heads are arranged on the left side and the right side of the top surface of the mounting frame, clamping structures are arranged on the left side and the right side of a supporting frame, and each clamping structure comprises a lower roller and a side roller. The lower rolling wheels and the side rolling wheels fixedly clamp the side edges and the bottoms of the rollers with different diameters, a lifting block is arranged in the supporting frame, the lifting block is slidably connected to a sliding groove in the supporting frame, and a collecting box is fixedly installed in the middle of the supporting frame and is of a drawing structure. The roller polishing equipment capable of adapting to different rollers solves the problems that a traditional clamp is poor in adaptability and low in scrap cleaning efficiency, the dust concentration of a workshop is reduced, the roller polishing equipment is suitable for high-precision polishing of various rollers, and the machining efficiency and the environment safety are remarkably improved.

This invention discloses a dust-blocking device and supporting dust removal system for a tunneling face, as well as its usage method. The device includes a first hinged flap, a first dust-blocking explosion-proof transparent door, a second hinged flap, a second dust-blocking explosion-proof transparent door, a first dust-blocking explosion-proof transparent door outer frame, a first flexible soft-body sealing frame, a second dust-blocking explosion-proof transparent door outer frame, and a second flexible soft-body sealing frame. The first and second dust-blocking explosion-proof transparent doors are symmetrically distributed on both sides of the tunneling machine and are respectively fixed to the first and second hinged flaps. The first and second flexible soft-body sealing frames are respectively fixed to the first and second dust-blocking explosion-proof transparent doors via the outer frames of the first and second dust-blocking explosion-proof transparent doors. This invention has advantages such as simple structure, convenient installation and movement, ability to form a sealed space at the working face, good dust-blocking effect, fast dust removal speed, minimal interference with personnel operations and visibility, strong applicability, and low cost.

The utility model discloses a kind of dust-preventing building waste disposal with sand and stone screening device, including machine body and material cylinder, the machine body inside is fixedly connected with fixed frame, the machine body top is installed with material cylinder, the material cylinder right side is provided with dust-preventing mechanism;Dust-preventing mechanism includes filter device and dust-settling device;Filter device is composed of filter box and negative pressure fan, the filter box input end is connected with dust cover by pipeline, the dust cover is fixed on material cylinder top, the negative pressure fan is installed in filter box right side, filter cartridge is installed in the filter box inner wall, flowmeter is installed between the negative pressure fan input end and filter cartridge, the negative pressure fan output end is connected to dust-settling chamber by pipeline.This utility model is provided with dust-preventing mechanism, can suck dust negative pressure at entrance, and after filtration, remove inclusions garbage, again through water curtain spray realizes wet type settlement, to effectively reduce air dust concentration, improve dust-settling effect, it is convenient for subsequent centralized recovery processing.

The utility model relates to the technical field of tire mold processing, and provides an air hole drill for a tire mold, which comprises a base, the rear side of the base is fixedly connected with a fixing frame, the top of the fixing frame is fixedly connected with an air cylinder, and the bottom of the output end of the air cylinder penetrates through the fixing frame and is fixedly connected with a motor. The hollow drill bit is arranged to be matched with the air inlet pipe, high-pressure airflow is continuously sprayed into the air holes through the air supply holes, the airflow rapidly brings metal scraps generated by machining out of the air holes along surface lines of the drill bit, and the situation that the scraps are accumulated in drill bit grooves to cause clamping or hole diameter errors is avoided; meanwhile, airflow cools the drill bit and the inner wall of the air hole in real time, tool abrasion caused by high temperature is reduced, the service life of the drill bit is prolonged, airflow circulation is formed by combining a filtering and exhausting assembly and a hose, exhausted air containing scraps is conveyed to an air inlet pipe again after being filtered, and continuous cleaning of the scraps and cyclic utilization of the airflow are achieved.

The utility model belongs to the technical field of livestock breeding equipment, particularly relates to a livestock breeding feed crushing device, and aims to solve the problems that straw needs to be manually guided into a feeding port of a crushing machine in an existing device, uniform conveying of the straw is difficult to guarantee through manual feeding, the load of the crushing machine in the working process is unstable, the crushing effect is affected, and the crushing efficiency is affected. According to the scheme, the straw smashing device comprises a smashing machine, and a feeding frame is installed at a feeding opening of the smashing machine; the feeding device has the advantages that through cooperation of the concave-convex structure of the feeding plate and the feeding bevel teeth, the grabbing force on straw is enhanced, the feeding efficiency is improved, material loss is reduced, accurate transmission of the gear and the inner gear ring is achieved, stable and automatic feeding is achieved, the labor cost is reduced, and the product quality is guaranteed; the dust concentration of a workplace is greatly reduced, and a healthy and clean working environment is created.

This utility model provides a sorting and unloading device for a laser cutting machine with correction function, comprising a main frame, a transfer and diversion unit, a boxing correction unit, a storage box unit, a box supply unit, and a control unit. The transfer and diversion unit consists of a picking mechanism and a screening mechanism, while the boxing correction unit includes a position adjustment mechanism and a correction mechanism. The box supply unit encompasses a box loading mechanism, a transfer mechanism, and a storage mechanism. This device optimizes the intelligent sorting process by integrating the screening mechanism with the transfer and diversion unit to achieve automatic classification of unloaded parts, eliminating the traditional manual sorting step. Its vertical layered design significantly saves horizontal space. It is adaptable to the unloading areas of various types of cutting machines, and its modular structure allows for quick and convenient adjustment, while also providing workpiece position correction functionality. The entire process is automated, greatly reducing manpower requirements; operation only requires monitoring. The dust collection system significantly reduces dust concentration in the working environment, improving automation and effectively reducing labor intensity.

This utility model relates to the field of powder material packaging technology, and discloses an intelligent pre-made thickener dust-free packaging device, including a material conveying system, a metering and packaging system, a sealing and conveying system, and a control system. The material conveying system consists of a buffer silo, a vacuum feeder, a receiver, an air source pump, and a Roots pump. The receiver is connected to an external finished product silo, and the vacuum feeder conveys the powder material to the buffer silo in a sealed manner. The metering and packaging system includes a lifting bottom-fill packaging machine, a weighing module, and a bag clamping device. The bag clamping device fixes the packaging bag and seals it with the outlet of the lifting bottom-fill packaging machine. The weighing module is located below the packaging bag and measures in real time. The sealing and conveying system consists of an automatic seam heat sealer and a conveyor, with the conveyor sequentially connecting the metering and packaging system and the automatic seam heat sealer. In this utility model, the entire process is sealed, resulting in a low dust emission rate and a low dust concentration in the workshop, meeting environmental protection requirements.

The utility model relates to lime powder recycling technical field, concretely relates to a lime powder recycling device for lime powder processing, including the casing, the casing includes the lower frame, the upper frame is connected with the lower frame upper end thread, the upper frame inside is equipped with the recovery subassembly for collecting the lime powder in air, the recovery subassembly includes the motor, the motor is fixed in the upper frame inside through the support, the motor output shaft drives the fan blade rotation to enter the casing inside along the lower frame with the mixed air containing lime dust, the upper frame inside is equipped with the filter group, and the lime powder remains in the lower frame after the mixed air passes the filter group, and the filtered air is discharged along the upper frame top, and the fan blade is rotated through the motor drive, and the mixed air containing lime dust is sucked into the casing inside, and after filtering through the filter group, the lime powder remains in the recovery bin in the lower frame, and the effective recovery of lime powder is realized.

The utility model relates to building material processing technical field, concretely is a kind of mixed device for building material processing, including mixing tank, the upper surface of mixing tank is provided with feed inlet, the below of mixing tank is provided with discharge gate, the surface of mixing tank is provided with processing device, processing device includes the shaft pole rotationally connected with the inner wall of mixing tank, the inner wall sliding connection of shaft pole has slide bar, the surface fixed connection of slide bar has multiple stirring rods, the utility model, by setting processing device, driving assembly can drive shaft pole rotation, to drive stirring rod rotation, simultaneously, cylinder can make stirring rod move up and down in shaft pole, make stirring rod can fully contact the building material of each position in mixing tank, and auxiliary assembly can scatter the material falling in feed inlet to all around, carry out preprocessing, make material can be more evenly distributed in tank, ensure that various materials are fully mixed, greatly improve the uniformity of mixing.

The utility model relates to the technical field of plastic processing and environmental protection, and discloses a feeding and dust removing device of a double-stage plastic granulating unit, which comprises a main body component and a dust remover, an air inlet pipe is connected onto the dust remover, and the other end of the dust remover is connected with an air outlet pipe; the dust removal assembly is arranged at one end of the air inlet pipe and comprises a dust removal piece and a cleaning brush, a connecting rod is fixed to one end of the cleaning brush, a driving rod is fixed to one end of the connecting rod, a moving rod is hinged to one end of the driving rod, a collecting frame is arranged on one side of the moving rod, a door body is arranged on the inner wall of the collecting frame, and a door shaft is inserted into the inner wall of the door body. The dust remover has the advantages that when the dust remover is started, dust on the filter screen can be cleaned, the filter screen is cleaned when the dust remover is started, dust accumulated on the filter screen can be removed in time, the filter screen is kept in a good transparent state, it is ensured that the dust remover can suck dust-containing air with high efficiency at the beginning of operation, the dust is effectively filtered, and the dust remover is safe and reliable. A relatively low dust concentration in a workshop is maintained, and a clean environment is created for production.