131results about How to "HEPA filter" patented technology

The utility model relates to the technical field of dust removal, and discloses a dust filtering environment-friendly device which comprises a machine shell, a filter element is installed in the machine shell, a lifting ring is arranged on the filter element in a sleeved mode, a cleaning ring is rotatably installed on the inner ring of the lifting ring, bristles are arranged on the inner ring of the cleaning ring and make contact with the outer surface of the filter element, and the cleaning ring is connected with the machine shell. And a driving assembly and a rotating assembly are arranged in the machine shell. Under the action of the motor and the lead screw, automation is achieved in the cleaning process, manual intervention is not needed, and operation convenience and efficiency are greatly improved.

The invention discloses a fish excrement and particulate matter filtering device for a fish tank, and relates to the technical field of fish tank accessories, the fish excrement and particulate matter filtering device comprises an upper cover, a filtering main body box, a drawer outer box, a filtering drawer and a confluence bottom support; the device is small and exquisite in overall design, small in occupied space and suitable for fish tanks of different sizes, the space around the fish tanks is saved through the design, the device is more attractive and elegant, meanwhile, due to the characteristic of modular assembly, a user can flexibly adjust the device according to the actual size and requirements of the fish tanks, and the practicability is high. The water outlet grooves of the three groups of inclined nozzles in the device obliquely spray water to cooperatively drive the filter screen to rotate, so that effective filtering is realized, fish manure and particle impurities are cleaned through physical scouring and rotary centrifugation, the filter screen is effectively prevented from being blocked, the filtering effect is remarkably improved, and meanwhile, the water outlet grooves of the three groups of inclined nozzles are effectively prevented from being blocked. The design of the rotary filter screen and the inclined nozzle also reduces the energy consumption, and conforms to the modern environment-friendly and energy-saving concept.

The utility model relates to the technical field of dust removal equipment, and provides anti-blocking dust removal equipment, which is characterized in that three conical filter elements are sequentially arranged at the middle section position inside an outer tank body from top to bottom, three groups of flushing nozzles are arranged on the tank wall of the outer tank body, and each group comprises four flushing nozzles; the four flushing nozzles in one group are aligned to the surfaces of the conical filter elements, three cleaning liquid guide-out valve pipes which are communicated with the top surface spaces of the three conical filter elements respectively are arranged on the tank wall of the right side of the outer tank body, and four filter element anti-blocking scrapers are uniformly distributed on the top surface of each conical filter element; a rotary driving mechanism for driving the four filter element anti-blocking scrapers on the top surface of each conical filter element to rotate and scrape is mounted in the outer tank body; and a negative pressure air pump is mounted on the left side, close to the lower end, of the outer tank body. The dust removal equipment has the advantages of blockage prevention, efficient filtration, automatic cleaning and the like, is suitable for various industrial production places and environments, improves the air quality, guarantees the health of personnel, and is dust removal equipment with excellent performance.

The utility model relates to a filtering device for recycling wire drawing liquid, which comprises a cylinder shell capable of completing multiple filtering of the wire drawing liquid in sections, the cylinder shell comprises a coarse filtering shell positioned at the axial upper section, a connecting guide shell positioned at the axial middle section and a fine filtering shell positioned at the axial lower section, a coarse filtering assembly, an adjustable communicating pipeline and a fine filtering assembly are respectively arranged in the coarse filtering shell, the connecting guide shell and the fine filtering shell which are connected in sequence, and the coarse filtering assembly and the fine filtering assembly are used for purifying the wire drawing liquid in a manner of constructing a two-stage filtering structure; the fine filtering assembly synchronously completes uninterrupted fine filtering and filter residue cleaning in a partitioned filtering manner; the axial upper end surface and the axial lower end surface of the cylinder shell are respectively provided with a flow inlet and a flow outlet which are used for limiting the inflow and the outflow of wire drawing liquid. The wire drawing liquid filtering device can continuously and continuously perform efficient and high-quality multiple filtering on the wire drawing liquid.

This invention discloses a time-constrained, secure, and controllable data flow method in a cloud-edge environment, belonging to the field of mobile edge cloud computing. Specifically, it involves: First, establishing a communication scenario including an authorizing agency for both the sender and receiver, the sender, edge nodes, a cloud server, and the receiver. Given security parameters, the authorized agency for the receiver runs a global initialization algorithm, outputting public parameters and domain public / private keys. Then, the authorized agency for the sender inputs the public parameters and domain public key, outputting its own domain public / private key. For each sender, an access structure and a valid time interval are assigned, and an encryption key is generated. For each receiver, an attribute set is assigned, and a decryption key is generated. Finally, the sender runs the encryption algorithm and outputs the original ciphertext; the edge node verifies the sender's sending authority and outputs the cleaned ciphertext; and the legitimate receiver decrypts and outputs the plaintext. This invention meets the requirements for secure and controllable data flow in a cloud-edge environment.

The invention discloses a wharf oil gas recovery treatment method which comprises the steps that mixed gas is fed into a shell from a first inlet, a separation device is arranged in the shell, a first cavity is formed between the separation device and the shell, oil gas and a water mixture in the mixed gas are separated under the action of the separation device, and first-stage separation is completed; the mixed gas subjected to primary separation enters a second cavity of the first filtering device, the first filtering device is located in the first filtering device, a fourth cavity is defined by the first filtering device and the separating device, and the mixed gas filtered by the first filtering device enters the fourth cavity from the second cavity; and the mixed gas entering the fourth chamber is conveyed to the first gas outlet pipe from the first outlet. According to the treatment method, gas and liquid in the oil-gas mixture can be effectively separated, and solid particles can be efficiently filtered. The processing method is suitable for an oil and gas transmission system between a ship and a shore-based facility so as to ensure the safety and stability of oil and gas transmission.

The invention relates to the technical field of metal part cleaning devices, and discloses automobile part deoiling equipment which comprises a supporting frame, a cleaning pool is arranged at the top of the supporting frame, an integrated pipeline is arranged on one side of the cleaning pool in a penetrating mode, a collecting box is arranged on one side of the bottom of the supporting frame, the integrated pipeline communicates with the collecting box, and a switch valve is arranged on one side of the collecting box. A lifting plate is slidably arranged on one side of the cleaning pool, and a placement table is arranged at the bottom of one side of the cleaning pool; multiple groups of flushing nozzles are arranged on the inner wall of the cleaning pool, and a cleaning assembly is arranged in the cleaning pool; a screening assembly is arranged at the bottom of the cleaning assembly. The cleaning assembly is used for placing and cleaning automobile parts; and the screening assembly is used for separating the cleaned oil-water mixture from solid impurities. Compared with the prior art, the cleaning efficiency can be effectively improved, the situation that the clamped position cannot be cleaned is avoided, the follow-up waste liquid treatment amount is reduced, and therefore the double effects of cleaning and environment protection are achieved.

The invention provides a self-corrosion permeable pollutant blocking material for underground water treatment and a preparation method of the self-corrosion permeable pollutant blocking material, and belongs to the technical field of underground water remediation. The self-corrosion permeable pollutant blocking material for underground water treatment is prepared from the following components in percentage by mass: 25 to 35 percent of cement, 12 to 18 percent of 2CaSO4. H2O, 8 to 15 percent of fly ash, 25 to 30 percent of grading pore-forming aggregate, 14 to 18 percent of nano pore-forming aggregate, 1 to 1.5 percent of viscosity modifier, 0.5 to 1 percent of early strength agent and 3 to 4.5 percent of modified biomass fiber, a pore matrix is jointly built through grading pore-forming aggregate, nano pore-forming aggregate and modified biomass fibers, the grading pore-forming aggregate and the nano pore-forming aggregate have self-corrosion shells, the pore-forming aggregate is an inactive substance and does not participate in the reaction of silicate cement from the stage before grouting to the hardening stage, and after the material is completely hardened, the pore-forming aggregate is a self-corrosion shell. And the graded aggregate and the nano pore-forming aggregate are converted into permeable pores containing active substances. The material has the advantages of being good in connectivity, high in supporting performance, wide in pollutant treatment capacity, high in pollutant treatment efficiency, long in continuous treatment time and the like, has anti-blocking capacity and can be pumped.

This application provides a rainwater harvesting and utilization system for vertical greening buildings, relating to the field of green building. It includes a downpipe and a water storage tank embedded in the base of the building. One end of the downpipe connects to the top of the building, and the other end of the downpipe has a first branch pipe and a second branch pipe. One end of the first branch pipe connects to the downpipe, and the other end has a detachable sealing cap. One end of the second branch pipe connects to the downpipe, and the other end supplies rainwater to the water storage tank. The second branch pipe is equipped with a filter mechanism for filtering rainwater. The water storage tank contains a water pump and a sprinkler pipe. The water pump pumps the rainwater from the storage tank through the sprinkler pipe for watering the plants. This application has the effect of collecting and reusing rainwater without causing silt accumulation and clogging.

The utility model discloses an automobile exhaust filter, and relates to the technical field of automobile manufacturing, in particular to an automobile exhaust filter which comprises a filter body, a fixing device is arranged at one end of the filter body, fixing plates are arranged at the two ends of the fixing device, and first through holes are formed in the fixing plates. A bolt matched with the inner diameter of the first through hole is arranged in the first through hole, the other end of the bolt is in threaded connection with a nut, a filtering box is arranged in the filter, the other end of the filter is in threaded connection with a filtering chamber, a baffle is arranged in the filtering chamber, and filtering cotton is arranged on the inner side wall of the filtering chamber. Through the arrangement of the fixer, the exhaust pipe, the bolt, the nut, the filter, the motor, the water pump, the rotating shaft, the fan, the filter chamber, the filter screen, the redox device, the filter element and the water collecting tank, the automobile exhaust filter has the effect of efficiently filtering automobile exhaust.

The invention discloses a crown block track surface cleaning device in a semiconductor workshop, which comprises a bottom plate, a frame is arranged on the bottom plate, and a first negative pressure fan and a second negative pressure fan are arranged in the frame; a negative-pressure air draft longitudinal cylinder extending upwards is arranged in the frame, and the bottom end of the negative-pressure air draft longitudinal cylinder is connected with a first negative-pressure fan and a second negative-pressure fan through pipelines in a communicating mode. A negative pressure air draft transverse barrel is arranged at the top end of the negative pressure air draft longitudinal barrel, the negative pressure air draft transverse barrel is vertically arranged at the top end of the negative pressure air draft longitudinal barrel, and the negative pressure air draft transverse barrel is communicated and connected with the negative pressure air draft longitudinal barrel; the two ends of the negative-pressure air draft transverse barrel are provided with dust removal modules which protrude downwards and are matched and symmetrical, and each dust removal module comprises a dust removal head cavity. Through non-contact suspended positive and negative air passage cleaning, efficient and automatic cleaning of the crown block rail surface of the semiconductor workshop is achieved, and the cleanliness of the semiconductor production environment is effectively improved.

The utility model belongs to the technical field of crushing and stirring, and particularly relates to crushing and stirring equipment which comprises a foot stool, a box body is mounted on the foot stool, a feeding hole is formed in the side wall of the box body, a filter screen is welded on the side wall of a connecting ring, a rotating rod is rotationally mounted on the inner wall of the box body through a bearing, and a feeding hole is formed in the side wall of the rotating rod. A plurality of groups of cutting knives are mounted on the rotating rod, the rotating rod is fixedly sleeved with a first gear, a rotating shaft is rotatably mounted on the inner wall of the box body through a bearing, the rotating shaft is fixedly sleeved with a second gear, a third gear is fixedly mounted on the inner wall of the filter screen, and the filter screen is driven to rotate while the rotating rod rotates; a filter screen drives raw materials to turn over, the raw materials are evenly dispersed and prevented from being stacked, meanwhile, a cutter is matched to cut the conveyed materials, the raw materials are evenly cut and stirred, the raw materials are prevented from being agglomerated and blocked, the raw materials are evenly dispersed, and the smashing quality is improved.

The utility model provides a novel air -cooled steam cooler belongs to cooler technical field. It solved the problem that the existing air -cooled steam cooler lacks filter structure, causes impurity to enter the inside of organism, influences spare part loss and overall service life. The novel air -cooled steam cooler, including organism and the screw hole position of fan installation on the organism, the organism has two convex platforms that protrude outward, the fan is two and is covered in the outside of corresponding convex platform through screw respectively, the convex platform end face is provided with annular groove, is provided with a plurality of installation groove positions that communicate with annular groove on the inside of convex platform, the skeleton filter screen is clamped in annular groove, and the skeleton filter screen includes skeleton ring and filter screen part, and is equipped with a plurality of positioning parts positioned in corresponding installation groove position between skeleton ring and filter screen part, and the inner wall of positioning part has arc -shaped clamping groove's arc -shaped clamping section, and the outer ring of filter screen part has the hoop ring. The utility model has the advantages of efficient filtration and prolonging overall service life.

The utility model provides a kind of air purification device, it is related to purification equipment technical field, solve the technical problem that fixed purification equipment is difficult to meet different scene needs.The air purification device, including main body, filter assembly, purification assembly, bottom plate, universal wheel;Main body is installed on bottom plate;Filter assembly is set in main body, to carry out physical filtration to air;Purification assembly is set in main body, and it is side by side with filter assembly and is arranged, for carrying out chemical purification to air;Universal wheel is installed in main body bottom.The utility model is used for the air purification of multiple scenes.

The application discloses a kind of fine-grained vanadium-titanium iron concentrate filtration pretreatment methods, comprising the following steps: fine-grained vanadium-titanium iron concentrate and water are mixed and the mass fraction of the fine-grained vanadium-titanium iron concentrate in the obtained suspension is adjusted to predetermined concentration, obtain first slurry;First slurry is passed through demagnetizer, and demagnetization is carried out, and second slurry is obtained;Second slurry is treated with ultrasonic wave, and third slurry is obtained;Third slurry is mixed with a predetermined amount of flocculating agent and then sent into a magnetic separation column after stirring, the operating parameters of the magnetic separation column are adjusted, the height difference between the mixed slurry in the magnetic separation column cylinder and the overflow surface is controlled, and the mass fraction of fine-grained vanadium-titanium iron concentrate in the fourth slurry flowing out of the magnetic separation column is controlled to be a predetermined concentration, and the flocculating agent is prepared from corn starch;Vacuum filtration is carried out on the fourth slurry.It is beneficial to increase the agglomeration diameter of fine-grained vanadium-titanium iron concentrate particles before filtration, reduce the moisture content of the product obtained after filtration of fine-grained vanadium-titanium iron concentrate, and improve the filtration efficiency.

This invention relates to the field of functional filtration materials technology, specifically to a gradient interlocking knitted-woven composite filter cloth. It comprises a woven dual-pore structure superoleophilic and oil-guiding surface layer, a knitted three-dimensional fluffy structure superoleophobic filter core layer, a conductive electret transition layer with a textured surface that eliminates static electricity and adsorbs fine oil mist, and a woven continuous microgroove structure superoleophobic and oil-draining bottom layer. These four layers are composited from top to bottom, forming an interlocking weave structure. The pore size of the filter core layer decreases gradually from top to bottom, while the pore size of the oil-draining bottom layer increases gradually from top to bottom. The overall pore size of the filter cloth first decreases gradually from top to bottom, then increases gradually. This filter cloth achieves graded and precise filtration through multi-layer composite structure and gradient pore size design. The interlocking weave structure enhances the overall structural stability, while also possessing multifunctional properties such as directional oil guidance and drainage, conductive electret antistatic properties, and more.

The utility model discloses a novel stop valve which comprises a shell, an upper sealing gasket is fixedly connected to the side inner wall of the shell, an upper rotating plate is rotationally connected to the interior of the shell, an upper conveying pipe is embedded in the upper rotating plate, a rotating rod is fixedly connected to the upper surface of the upper rotating plate, and a rotating handle is fixedly connected to the upper end of the rotating rod. A lower sealing gasket is fixedly connected to the side inner wall of the shell, a lower rotating plate is rotationally connected to the interior of the shell, a lower conveying pipe is embedded in the lower rotating plate, the lower end of the upper conveying pipe and the upper end of the lower conveying pipe are in threaded connection with a filter box through a connector, filler is arranged in the filter box, and a protective cover is rotationally connected to the front surface of the shell through a hinge; the right surface of the shell is fixedly connected with an input pipe, the left surface of the shell is fixedly connected with an output pipe, and through the devices, fluid on-off control, sealing leakage prevention, impurity filtration and convenient maintenance of the filter box can be achieved.

The application discloses a filtering device for sealing and leak detection test fluorine oil, which comprises a flow director, a buffer oil storage tank and a filtering assembly connected in series; the filtering assembly comprises a filter core group, a differential pressure measurement assembly and an optical monitoring assembly; the differential pressure measurement assembly comprises a differential pressure sensor body and a pressure lead pipe; the differential pressure sensor body is connected in parallel to both ends of the filter core group through the pressure lead pipe; the filter core group comprises at least two filtering units connected in series; the optical monitoring assembly comprises a laser emitting unit, a transparent detection pipe and a photoelectric receiver; the transparent detection pipe is arranged between the two filtering units; the laser emitting unit and the photoelectric receiver are arranged on both sides of the transparent detection pipe; the laser emitting unit emits laser which passes through the transparent detection pipe and is received by the photoelectric receiver. The multi-stage filtering is more efficient; the differential pressure measurement assembly can indirectly monitor the filter core state; and the optical monitoring assembly can monitor the fluorine oil.

The present invention discloses a safety type communication cabinet, which relates to the technical field of communication cabinet equipment, and aims to provide a safety type communication cabinet that can filter the air entering the cabinet and prevent blockage. The technical key points include a cabinet, an air intake hood is provided on the side of the cabinet, a front air intake component is provided on the outside of the air intake hood, and the inside is connected to the inside of the cabinet, and an air intake fan is provided at the connection position, a linkage component for controlling the opening and closing of the front air intake component is provided in the air intake hood, and a negative pressure supplement component for balancing the internal and external air pressure is provided at the bottom of the air intake hood. The technical effect is that by setting the front air intake component and the linkage component, the connecting rod flips the front filter bin in the front air intake component, so that the filter hole inside the front filter bin is exposed to the outside of the air intake hood, and then the external airflow enters the air intake hood through the front filter bin, and the airflow is filtered to prevent dust from entering the cabinet.

The utility model discloses a cooling fan for a resistor cabinet. The cooling fan comprises a cabinet body; the cooling mechanism is arranged on one side of the cabinet body, and the cooling mechanism is used for cooling the interior of the cabinet body; the air outlet assembly is arranged on the other side of the cabinet body, and the air outlet assembly is used for discharging air flow in the cabinet body; the cooling mechanism comprises a mounting shell, a fan body and two flow guide covers, the mounting shell is fixedly connected to one side of the cabinet body, the fan body is arranged in the mounting shell, and the flow guide covers are arranged on the side, close to the cabinet body, of the mounting shell. According to the cooling fan for the resistor cabinet provided by the utility model, through the arrangement of the cooling mechanism, the interior of the cabinet body can be well cooled, dust and impurities are prevented from entering the cabinet body to influence the use of internal elements, and moisture in introduced airflow can be well filtered; and the situation that water enters the cabinet body to influence the use of internal elements is reduced.

The utility model discloses efficient perch culture filtering equipment, which relates to the technical field of culture equipment and comprises a mounting box body, an efficient filtering unit and an impurity discharging unit, the efficient filtering unit comprises a water storage barrel, a water collecting pipe opening, a fine net film, an annular water tank, a turning and raising plate and an impeller. Aquaculture wastewater in the water storage cylinder can be in an active state through stirring and turning, water in a rotating state obtains impulsive force, when the aquaculture wastewater makes contact with the fine net film close to the side wall, fish manure and other fine sundries in the wastewater can be isolated outside, clear water enters the water collecting pipe opening, and the water collecting pipe opening is sealed. The device is further provided with an impurity discharge unit, and a PLC controls a motor and a waterproof motor to intermittently and alternately operate, so that circulating switching between the filtering state and the pollution discharge state of the device is achieved, and the device is high in practicability. Therefore, the culture wastewater in the fishpond can be stably filtered for a long time.

The present invention relates to the technical field of heat exchange devices, and in particular to a device for recycling exhaust gas emitted from the production of lignite, which solves the problems in the prior art of low recycling rate of exhaust gas emitted from the production of lignite, serious environmental pollution, and insufficient utilization of combustible gas and waste heat. A device for recycling exhaust gas emitted from the production of lignite, including a mounting frame, which serves as a supporting structure for the entire system, and is loaded with a combustion component, a smoke filter component, a heat exchange component, a particulate purification component, and an exhaust component, to ensure that each component closely cooperates and operates efficiently. The present invention effectively improves the combustion efficiency of combustible gases in the exhaust gas and the recycling rate of waste heat through multi-stage purification and heat exchange treatment, reduces the emission of harmful substances, and at the same time ensures the cleanliness of the exhaust gas and the final emission quality, thereby achieving efficient and environmentally friendly utilization of the exhaust gas and promoting the green and sustainable development of the lignite industry.

The utility model discloses a PHA material straw which comprises an outer straw body, an inner straw body is in threaded connection with the interior of the upper end of the outer straw body, an upper connecting ring is arranged at the lower end of the outer straw body, a plurality of elastic petal pipes are connected to the lower end of the upper connecting ring, and a lower connecting ring is connected to the lower ends of the elastic petal pipes. The lower end of the lower connecting ring is provided with an inverted-cone-shaped puncture suction head, the upper side of the outer portion of the inner suction pipe is connected with a limiting ring, the upper end of the upper connecting ring is connected with a connecting sealing pipe, the connecting sealing pipe is inserted into the lower end of the outer suction pipe and tightly attached to the outer wall of the inner suction pipe, and the lower end of the inner suction pipe is internally connected with an upper connecting frame. Through threaded connection of the outer suction tube and the inner suction tube and deformation control of the elastic petal tubes, switching between the straight suction function and the filtering suction function is achieved, the elastic petal tubes are tightly attached to form a sealed connection straight tube during straight suction, the elastic petal tubes are bent to form filtering gaps during filtering suction, the structure is simple, and the functions are diversified.

The utility model relates to a high-speed filter, which aims to solve the technical problem that the existing metallurgical wastewater filter is low in filtering efficiency, and adopts the technical scheme that a plurality of T-shaped filter heads are respectively arranged at a water inlet pipe and a water outlet pipe, and a second-layer filtering device is arranged in the middle of a furnace body. The wastewater can be efficiently filtered through the device; a backwashing device is arranged below the second-layer filter, and the grate is flushed regularly to prevent blockage; according to the utility model, a plurality of T-shaped filter heads are respectively arranged at the water inlet pipe and the water outlet pipe, the grate and the water cap are arranged in the middle of the furnace body, and wastewater can be efficiently filtered through the device through three-layer filtration.

The invention discloses molten iron spheroidizing equipment for nodular cast iron well lid production, and relates to the technical field of molten iron spheroidizing equipment.The molten iron spheroidizing equipment comprises a mounting frame, a guide rail is arranged on the mounting frame, a ladle trolley and a hydraulic push rod which move along the guide rail are arranged on the guide rail, the hydraulic push rod is arranged on the mounting frame, and the output end of the hydraulic push rod is connected with a lifting plate; and the driving mechanism is used for driving the lifting plate to vertically lift. The device has the advantages that splashing and disordered diffusion of flue gas are inhibited from the source by combining an under-liquid feeding mode of the material guide pipe with enclosure sealing of the sleeving cylinder, the negative pressure flue gas treatment system realizes immediate capture and efficient filtration of reaction flue dust, the working environment is remarkably improved, self movement of the ladle vehicle is creatively utilized as a power source, and the energy consumption of the ladle vehicle is reduced. The scraping assembly and the lifting rapping mechanism are driven in a linkage mode, automatic removal of splashing residues and inertial dust removal of the filtering unit are completed respectively, and self-maintenance of key functional components is achieved.

The utility model relates to dust absorption device technical field discloses a dust collector with noise reduction structure, including the shell, the outside fixed connection of shell has the cleaning mechanism, the inside fixed connection of cleaning mechanism has the filter structure, the outside fixed connection of cleaning mechanism has the connecting mechanism, the filter structure includes the frame, the inside slide connection of frame has the filter plate, the outside fixed connection of filter plate has the connecting block no.

The utility model relates to a mining filling drainage device which comprises a box body, a feeding stirring part is arranged at the top of the box body, a drainage pipe and a support are arranged at the bottom of the box body, and a filtering device is obliquely arranged in the box body. The filtering device comprises a plurality of frames which are obliquely inserted into the box body at intervals, the inner surface of each frame is connected with a filter screen, and filter holes of the filter screens are sequentially reduced from top to bottom; each frame is slidably inserted between two supporting strips, and the supporting strips are symmetrically arranged on the inner side wall of the box body in pairs; the frame is fixedly connected with the box body in contact with the frame through a plurality of positioning pins; a moving frame is arranged above each filter screen and is connected between the two side walls of the box body in a sliding manner, and a cleaning brush is arranged at the bottom end of each moving frame and is positioned on the upper surface of the corresponding filter screen. According to the device, efficient filtering and convenient cleaning are achieved through the multi-stage filter screen design and the movable frame cleaning brush mechanism, the problems that in a traditional device, disintegrating slag is mixed into a water body and the filter screens are blocked are effectively solved, and thorough separation of the disintegrating slag and the water body and long-term effectiveness of the filter screens are guaranteed.

The invention relates to the technical field of acid salt deslagging, in particular to a quick deslagging device and method for producing humate. The feeding hole is formed in one end of the shell; the discharge hole is formed in the other end of the shell; the rotating shaft is arranged on the shell, a driving source is arranged at one end of the rotating shaft, and the driving source is used for driving the rotating shaft to rotate; the mounting disc is arranged on the rotating shaft, a plurality of sets of supporting columns are arranged on the mounting disc, and separating boxes are arranged on the supporting columns; a filter plate is arranged on one side of the separation box and is used for filtering the humate slag; an agitating assembly; the stirring assembly is arranged at the bottom of the shell and is used for stirring the humate mixture mixed at the bottom of the shell during deslagging; a compression assembly; and in the discharge hole, the compression assembly is used for carrying out centralized compression on the humate slag.

The utility model relates to clean operating room material delivery technical field especially an intelligent delivery window of real -time monitoring cleanliness, including fixed frame, the inside lower extreme of fixed frame is equipped with the transmission cavity that front, rear end opening, the front, rear end opening position hinged joint of transmission cavity possesses the toughened glass window of self -locking module. The utility model discloses an intelligent delivery window of real -time monitoring cleanliness is integrated particle counter, differential pressure sensor and data display module in the inside, and real -time monitoring and display the cleanliness parameter in the window, and linkage with clean room control system simultaneously, and the delivery window is locked when the alarm is automatically reported when exceeding the standard, prevents pollution diffusion, through the filter chamber of n shape structure being opened in the fixed frame inside and being located transmission cavity periphery, the detachable high -efficient filter is installed in the filter chamber inside, can high -efficiently filter the air in transmission cavity, cooperate the ultraviolet sterilizing lamp of being arranged on the inner wall, greatly promote internal cleanliness.

The invention discloses a working face dust removal, spraying and fresh air system for a coal mine, and belongs to the technical field of coal mine underground environment governance and occupational health safety. The system comprises a track hoisting and moving device, a wet-type vortex dust removal fan, a spraying and dust falling device, a fresh air device and an automatic control system. The structural frame is hung on the moving trolley through the hanging chain and is driven by the driving main machine to move dynamically along the track. The dust removal fan adopts the combination of a radial mixing type impeller and a dewatering vortex wheel, so that powerful dust collection and dry and comfortable exhaust are realized; the spraying device realizes intelligent avoiding and spraying stopping through a personnel proximity sensor; the fresh air device is of a double-channel structure, and positive-pressure clean fresh air is provided for the breathing area through four-stage deep purification. The problems that traditional equipment is installed and fixed, functions are split, people are prone to getting wet, and breathing guarantee is lacked are solved, integrated cooperation of full-working-face dynamic cruise control, precise dust suppression and medical-grade fresh air supply is achieved, and the safety and comfort of underground operation are remarkably improved.