204 results about "Removal Units" patented technology

The invention belongs to the technical field of gas separation engineering, and particularly discloses a deep removal method and device for dissolved oxygen in a pregnant solution, and the device comprises an absorption unit and a removal unit. A barren liquor inlet is formed in the upper part of the absorption unit, barren liquor enters from the upper part of the absorption unit, a feed gas inlet is formed in the lower part of the absorption unit, feed gas enters from the lower part of the absorption unit, the barren liquor and the feed gas are in countercurrent full contact in the absorption tower, and oxygen-containing rich liquor is obtained at the bottom of the absorption tower. The rich liquid enters the removal unit from the absorption unit, the rich liquid inlet is located in the upper portion of the removal unit, the lower portion of the removal unit is provided with a replacement gas inlet, replacement gas enters the removal unit from the lower portion of the removal unit, and after the replacement gas is in countercurrent full contact with the oxygen-containing rich liquid, removal gas containing slightly-dissolved gas such as oxygen is formed at the top of the removal unit. The removed gas is discharged or enters a recycling system according to field requirements, and deoxidized rich liquid is sent out from the bottom of the removal unit. A purified gas outlet is formed in the top of the absorption unit, and purified gas is sent out from the outlet.

The utility model belongs to the technical field of polishing machining, and particularly relates to horizontal polishing machining equipment for an edge grinding type box transformer substation shell, which comprises a working table, a polishing device is arranged at the top of the working table, and the polishing device comprises a feeding unit, a polishing unit, a dust removal unit and an impurity removal unit. According to the horizontal polishing machining equipment for the edge grinding type box transformer substation shell, the feeding unit is arranged, the edge grinding type box transformer substation shell to be polished is placed on the top of the containing table, a second telescopic piece is started to push clamping plates to abut against the front side and the rear side of the shell, the shell is clamped, and then a first telescopic piece is started to push a connecting block to drive the containing table to move rightwards; according to the shell polishing and feeding device, polishing and feeding of the shell are achieved, the shell is prevented from shaking during polishing by fixing the shell, the polishing quality is improved, and the problems that in the background technology, the shell is directly placed on a conveying belt in the using process, due to the lack of a fixing device, when a polishing roller makes contact with the shell, the shell shakes, and the polishing quality is affected are solved.

The invention discloses a forging and pressing device for mechanical part machining and a forging and pressing method thereof.The device comprises a forging and pressing execution unit, a self-adaptive positioning unit, a linkage sweeping unit, a supporting and guiding unit and a dust removal unit, all the units are cooperatively matched with airflow through structural linkage, and dynamic positioning, synchronous sweeping and multi-stage dust removal in the forging and pressing process are achieved. In the forging process, the elastic baffle automatically adjusts the position according to workpiece deformation and drives the cleaning structure to operate in a linkage mode, and dead angle cleaning is completed through cooperation of the scraping belt and the wire brushing mechanism. The crushing tooth roller and the negative pressure dust collection channel are cooperatively matched, and shearing and suction removal of large-particle chippings are achieved. The device effectively solves the problems of difficult cleaning of the machining table, workpiece positioning deviation, easy blockage of a dust collection system and the like while ensuring the forging and pressing precision, has the technical advantages of intelligence, self-adaption, high integration level and the like, and is suitable for high-frequency forging and pressing machining scenes under complex working conditions.

The invention belongs to the technical field of plant dust removal and ventilation, and particularly discloses a plant dust removal and ventilation system which comprises an air inlet filtering unit and an air exhaust dust removal unit, the air inlet filtering unit is installed on the upper portion of a plant, and the air exhaust dust removal unit is installed on the lower portion of the plant; an air outlet of the air inlet filtering unit is connected with an air inlet header pipe; one end, far away from the air inlet filtering unit, of the air inlet header pipe communicates with the interior of the plant; the air inlet filtering unit comprises an air inlet fan and a primary filtering module; the primary filter module comprises a filter cartridge and a filter screen, the inlet end of the filter cartridge is connected with an air outlet of the air inlet fan, and the filter screen is located in the filter cartridge; the outlet end of the filter cartridge is communicated with the interior of the plant; the air exhaust and dust removal unit comprises an air exhaust fan, the air exhaust fan is installed inside or outside the plant, an air inlet of the air exhaust fan is communicated with the inside of the plant, and an air outlet of the air exhaust fan is communicated with the outside of the plant. The risk that equipment makes contact with dust can be reduced, stable operation of the equipment is guaranteed, and the service life of the equipment is prolonged.

The invention discloses a coal gangue sorting device without adhesive tape transportation, and relates to the technical field of coal gangue sorting. The device comprises a sorting box used for sorting coal briquettes and gangue, and further comprises an impurity removal unit arranged in the sorting box and comprising a conveying assembly and a discharging assembly, and spiral conveying blades used for conveying the coal briquettes and the gangue are arranged in the conveying assembly; and the sorting unit is arranged in the sorting box and comprises a vibration assembly, a collection assembly and an adsorption assembly. The device has the advantages that lossless conveying of coal briquettes and gangue can be achieved by adopting a rotary conveying mode of the spiral conveying blades, disintegrating slag and dust in the coal briquettes and the gangue can be effectively removed in cooperation with screening and adsorption effects during conveying, and meanwhile efficient separation of the coal briquettes and the gangue can be achieved by utilizing mass difference and adopting a vibration separation mode; and secondary separation is conducted in an airflow blowing mode, part of gangue remaining in the coal briquettes obtained after primary separation is effectively removed, and the separation effect is better.

The application discloses a kind of high-efficiency sand removal and sewage circulation systems for waste plastic cleaning line, including the integration of cyclone sand removal unit, vibration filtration unit, flocculation precipitation unit and clean water recycling unit in order along sewage flow direction;The cyclone sand removal unit includes cyclone sand remover;The vibration filtration unit includes multilayer vibration filter tank, and multiple levels of screen are provided inside along water flow direction;The flocculation precipitation unit includes dosing sedimentation tank, and the dosing sedimentation tank is provided with flocculating agent dosing port;The clean water recycling unit includes clean water tank and recycling water pump, the clean water tank is communicated with the upper portion of the dosing sedimentation tank, the inlet of the recycling water pump is communicated with the clean water tank, and the outlet is communicated with the water end of cleaning line.The application is combined by multistage high-efficiency physical and chemical treatment and automatic control, significantly reduces system land occupation, fresh water consumption and wastewater discharge, solves the problems of traditional process, such as large land occupation, sand cleaning difficulty and high water treatment cost.

The invention relates to the technical field of ammonia-containing wastewater treatment, and discloses an ammonia-containing wastewater turbidity removal and desorption integrated treatment system and a dynamic regulation and control method.The system comprises a pretreatment unit, a turbidity removal unit, a desorption unit, an agent adding unit and a dynamic regulation and control unit; the pretreatment unit is respectively connected with the turbidity removal unit, the medicament adding unit and the dynamic regulation and control unit, the turbidity removal unit is also connected with the separation subunit and the dynamic regulation and control unit, and the separation subunit is also connected with the dynamic regulation and control unit. According to the integrated treatment system for turbidity removal and desorption of ammonia-containing wastewater and the dynamic regulation and control method provided by the invention, efficient turbidity removal and desorption of ammonia-containing wastewater, precise adaptation to water quality fluctuation, optimization of medicament energy consumption and improvement of treatment stability and economical efficiency are realized through superconducting magnetic separation, multi-stage resin tanks and dynamic regulation and control; the technical problems that a traditional process is low in efficiency, high in cost and poor in adaptability are solved.

The invention discloses a supporting and dewatering integrated device and a construction method, and mainly relates to the field of steel sheet piles. Comprising a steel sheet pile body, a flow dividing unit, a mud discharging unit and a grouting unit. The interior of the steel sheet pile body is a cavity, and the steel sheet pile body is provided with a multifunctional processing opening. The diversion unit comprises a plurality of water inlets and a plurality of baffle plates, the water inlets and the baffle plates are arranged on the steel sheet pile body, the baffle plates of the diversion unit separate clear water from silt, and the mud discharging unit is used for discharging separated mud. The device has the beneficial effects that the device is used for construction supporting of the water-rich silty-fine sand geology, supporting, drainage and grouting are integrated, the accident situation caused by the change of the pressure of soil bodies on the two sides of the steel sheet pile in the construction process is avoided, the water body pressure is balanced, meanwhile, slurry rich in original soil bodies can be collected, and the construction efficiency is improved. Compared with a traditional construction method, the construction method has the advantage that the effect is better.

The utility model discloses a profiling air inlet prefilter, which belongs to the technical field of air inlet pipelines of engines and comprises a shell component consisting of a first shell and a second shell, and the first shell and the second shell are welded to form a closed cavity. An air inlet channel inlet is formed in one end of the cavity, and an air outlet and a dust discharging unit are arranged at the other end of the cavity; and a filtering and separating unit is arranged in the cavity. According to the prefilter with the profiling air inlet channel, through the design of the dust discharging unit, the filtering and separating unit and the profiling flow channel, the particle separating efficiency is improved, the air inlet resistance is reduced, the maintenance frequency of the air filter is reduced, and the energy consumption and the cost are reduced.

The invention relates to the technical field of waste gas treatment equipment, in particular to a novel rotary kiln combined type dust removal system multi-pollutant stepped removal device which comprises a pretreatment unit, a dust removal and denitration integrated unit, a desulfurization and heavy metal removal unit, a deep purification unit, a gas path pipeline and a control system. A gas outlet of the pretreatment unit is communicated with a gas inlet of the dust removal and denitration integrated unit through a gas path pipeline, and a gas outlet of the dust removal and denitration integrated unit is communicated with a gas inlet of the desulfurization and heavy metal removal unit; through the cascade combination design of the pretreatment unit, the dust removal and denitration integrated unit, the desulfurization and heavy metal removal unit and the deep purification unit, graded capture and collaborative removal of pollutants are achieved, the pretreatment unit reduces the flue gas dust load and temperature, the dust removal and denitration integrated unit synchronously completes fine particle filtration and denitration, and the dust removal and heavy metal removal efficiency is improved. The desulfurization and heavy metal removal unit realizes synergistic removal of acid gas and heavy metal, and the deep purification unit ensures that tail gas reaches the standard and is discharged.

There are included a print head printing by ejecting printing agent from a nozzle, a circulation path including an internal flow path of the print head communicating with the nozzle, supplying a printing agent to the print head, and collecting the printing agent not ejected from the print head and through which the printing agent circulates, a removal unit configured to remove dissolved gas in the printing agent, and a control unit configured to control the removal unit and printing-agent circulation in the circulation path. Where the internal flow path is filled with the printing agent, in the circulation path, after first circulation control that the printing agent is continuously circulated for first time while the dissolved gas is removed by the removal unit, the control unit performs second circulation control that the printing-agent circulation performed for second time shorter than the first time is performed intermittently.

The invention relates to the technical field of dust purifiers, in particular to a coal mine movable dust purifier which comprises a safety helmet, a filter assembly is arranged on the lower side of the safety helmet, and a dust removal assembly is arranged at the rear end of the safety helmet. The dust removal assembly and the filtering assembly are arranged, the functions of movable air supply, active dust collection, breathing filtering, automatic cleaning and reverse blowing and the like are modularly integrated, the problems of movable dust removal and personal breathing protection are effectively solved, the dust removal assembly is directly installed on the side face of the rail mine car, and the mine car is used for moving and power supply; the problem that large fixed equipment cannot move along with a working face is solved, workers do not need to carry heavy dust removal equipment during use, the dust removal equipment can be lightly installed, the flexibility is enhanced, multiple sets of dust removal units are allowed to be additionally installed on one mine car through the modular design, clean air support can be provided for multiple workers at the same time, and the working efficiency is improved. The dust removal efficiency and the application range are obviously improved.

The invention belongs to the technical field of separation and collection, and discloses a smelting equipment smoke discharge and dust removal collecting device which comprises a base, an exhaust pipe is communicated with the upper portion of the other side of a cloth bag dust removal unit, and a cyclone separation unit comprises a conical mounting shell. A conveying pipe is fixedly connected to the middle of the conical mounting shell in a penetrating mode, an airflow auxiliary mechanism is fixedly mounted in the middle of the outer side of the conveying pipe and comprises a main mounting ring, a driving ring is arranged above the main mounting ring, a blade flow guide mechanism is mounted on the outer side of the driving ring, and a laser particle size analyzer is mounted on the inner wall of the conical mounting shell. The laser particle size analyzer monitors the particle size and other related parameters in the airflow in real time, transmits data to the central control system, and adjusts the angles of the nozzle and the guide vane and the wind speed of the nozzle, so that the rotation intensity and the flow path of the airflow are changed, and the efficient separation of the particles with different sizes is realized.

The utility model relates to a multi -head laser cleaning machine, it includes: support frame, the cover, the cover is fixed in the top of support frame, the one side of cover is equipped with observation window, the inspection subassembly is installed in the one side of observation window for the opening and closing observation window, the cleaning subassembly, the cleaning subassembly includes the bearing unit of installation in the top of support frame, at least two groups of cleaning unit of ring and set in the dust removal unit of cover inside of bearing unit outside. The utility model discloses multi -head laser cleaning machine simple structure, through the bearing unit to the metal tubular product of cleaning to be held, through the cleaning unit to the outside wall of tubular product and wash, through the dust removal unit and timely remove the debris and flue gas of washing process, compares with artificial cleaning, has improved the efficiency of cleaning and the qualified rate of finished product after washing, has saved the cost investment of artificial, saves the cost.

The utility model discloses a low-carbon treatment device for environmental protection engineering construction, which structurally comprises a dust removal unit and a water washing unit, the dust removal unit comprises a water washing barrel, an arc-shaped pipe and a fixed block are arranged on the inner wall of the water washing barrel, a spray head is arranged on the arc-shaped pipe, and a filter plate is arranged on the fixed block; the reaction unit comprises a reaction barrel, and a fixing frame is arranged on the inner wall of the reaction barrel. When the flue gas cleaning device is used, flue gas is introduced from one side in the washing barrel, water sprayed by the spray head adsorbs dust particles and then enters the other side in the washing barrel, the dust particles which are not in contact with the water in the flue gas are further filtered by the filter screen, and the cleaning brush sweeps the filter screen to prevent blockage while the flue gas circulates; through double clamping of water washing and physical filtering, dust particles in flue gas are removed, omission caused by single filtering is avoided, the situation that the adsorption effect reaches a saturated state during water washing is avoided, dust particles which cannot be effectively attached are prevented from escaping, and the dust removal effect of the device is improved.

The invention relates to the technical field of numerical control machine tools, in particular to an oil mist collecting device for a numerical control machine tool. The clamping dust removal units are symmetrically arranged and are connected with the mounting shell; the oil mist recovery unit is arranged on the inner side of the mounting shell, connected with the clamping dust removal unit and used for being matched with the clamping dust removal unit to complete oil mist absorption and complete automatic storage of the absorbed oil mist; wherein the oil mist recovery unit comprises an air exhaust assembly, a scraping recovery assembly and a push-pull transmission control assembly, by arranging the oil mist recovery unit and cooperating with the clamping dust removal unit, rapid disassembly and assembly between the equipment and the numerical control machine tool can be achieved, oil mist on the inner side of the numerical control machine tool can be rapidly absorbed, and the oil mist recovery efficiency is improved. The oil mist absorbing device can absorb oil mist, can also clean and collect the filtered oil mist in the absorbing process, can prevent operators from frequently cleaning equipment, ensures the sealing performance of the equipment during use, and further ensures the effectiveness of the equipment for absorbing the oil mist.

The invention provides a recycling and smashing device for PVC plate production. The recycling and smashing device comprises a base, a smashing shell, a feeding shell, a dust removal unit, a collecting and buffering mechanism, a discharging dustproof belt and a feeding dustproof belt. A rack is fixedly installed on the top side surface of the base and provided with a sealing shell and a driving assembly. The crushing shell is detachably mounted at the top end of the sealing shell; the feeding shell is detachably mounted at the top end of the crushing shell, and a feeding dustproof belt is arranged at an inlet port of the feeding shell; the dust removal unit is installed on the side surface of the feeding shell. Under the action of the arranged dust removal unit, dust overflow in the crushing process is effectively reduced, the dust concentration of the working environment is reduced, meanwhile, the treated and collected dust is discharged into the feeding shell again, waste is avoided, the cost is reduced, an air cylinder automatically cleans a filter screen cylinder through a scraping ring, blockage is prevented, and the service life of a filter screen is prolonged; the hydraulic cylinder is driven to temporarily store and automatically discharge the materials under the action of the collecting and buffering mechanism, manual intervention is reduced, and the continuous operation capacity is improved.

This utility model discloses a material collection device for a mining loader, relating to the technical field of mining loader technology. It includes a conveyor frame and a support frame. The conveyor frame has a material collection frame fixedly installed on its left side. A base is provided on the bottom surface of both the conveyor frame and the material collection frame. A belt conveyor is installed inside the base. There are two supports, fixed to the front and rear sides of the top surface of the material collection frame. The top surface of the supports is connected to the bottom of a motor frame. A motor is mounted on the top surface of the motor frame, and the motor's output shaft is connected to the top of a rotating dispersing and mixing frame inside the support frame. Dust removal units are provided on both the front and rear sides of the material collection frame. This material collection device for the mining loader effectively disperses lumpy materials through the dispersing and mixing frame, preventing feed blockage. It employs a dual dust removal system combining negative pressure filtration and atomized dust suppression, significantly reducing operational dust pollution. An adjustable height limit device is provided to restrict the height of the material to prevent excessively high stacking and potential safety issues.

The utility model relates to a multi-chamber body strip steel sanding line which comprises a dust removal unit, a sand blowing high-pressure fan unit and a sanding chamber body consisting of a plurality of sanding units and a high-pressure fan sand blowing dust removal chamber, the multiple sanding units are sequentially arranged in series in the advancing direction of a steel belt, and each sanding unit comprises a sanding chamber and a dust removal chamber communicated with the sanding chamber. The high-pressure fan sand blowing dust removal chamber is mounted on one side of the sanding unit and communicates with the interior of the sanding unit; the sand-blowing high-pressure fan unit is arranged on the high-pressure fan sand-blowing dust removal chamber and is used for blowing air into the high-pressure fan sand-blowing dust removal chamber; the dust removal unit is installed on the outer side of the sanding chamber body and used for removing dust. The utility model has the effects of reducing the usable area of a workshop, saving energy, reducing the emission of dust-containing waste gas and improving the environment of the workshop.

The utility model relates to the technical field of venturi wet dust removers, and discloses a venturi high-efficiency demisting wet dust remover unit, which comprises a fan section, a cyclone separation and rotation breaking demisting section, a venturi structure section and a mud scraper water tank section, the cyclone separation and rotation breaking demisting section is assembled at the bottom of the fan section, and the cyclone separation and rotation breaking demisting section is assembled at the bottom of the mud scraper water tank section. The venturi structure section is assembled outside the cyclone separation and rotation breaking demisting section, the mud scraper water tank section is assembled at the bottom of the cyclone separation and rotation breaking demisting section, and assembling mechanisms are uniformly distributed among the fan section, the cyclone separation and rotation breaking demisting section, the venturi structure section and the mud scraper water tank section. According to different sites and requirements, the Venturi efficient demisting wet-type dust removal unit can cope with different combined structures, then the overall applicability of the unit is greatly improved, and meanwhile, the better water mist treatment capacity is achieved through direct butt joint of multiple modularization and optimal configuration of the efficient demisting section.

This invention discloses a tunnel segment removal device, comprising a removal unit, a soil-carrying unit, and a traction unit. The removal unit includes a mounting base movably disposed within the tunnel along a front-to-back direction, with a mounting bracket on the mounting base. Multiple robotic arms are mounted on the mounting bracket and are detachably connected to the tunnel segments within the tunnel. The soil-carrying unit is located at the front of the mounting bracket and includes two soil-carrying components arranged in a left-to-right direction. Each soil-carrying component has an upward-facing mounting groove, and the opposite sidewalls of the two mounting grooves are interconnected. The orientation of the two soil-carrying components in the left-to-right direction is adjustable. The traction unit drives the mounting base, enabling it to move along a front-to-back direction. This invention removes tunnel segments within the tunnel using multiple robotic arms, carries loose soil from the removed segments using the mounting grooves, and uses the traction unit to move the removal unit and transport the segments out of the tunnel. This method offers high removal efficiency and low safety risks.

This invention discloses a photovoltaic module frame removal device, comprising a short-side removal unit and a long-side removal unit formed at the frame removal station. The long-side removal unit includes a side-support wheel module for gradually supporting the long frame from its first end, and a moving module for driving the side-support wheel module to move from the first end to the last end of the long frame. The long-side removal unit also includes a first-end auxiliary module linked with the side-support wheel module, wherein the first-end auxiliary module includes a constraint seat and a shifter. This invention, on the one hand, through the coordinated movement of the constraint seat and the side-support wheel module, gradually peels the long frame from the module while maintaining a consistent peeling angle, significantly reducing the probability of deformation of the module caused by the long frame during peeling and effectively improving the stability of peeling quality; on the other hand, by keeping the peeling point and constraint point aligned with the long side of the module as a reference, it improves the flatness of the long frame after removal, not only saving frame removal space but also significantly increasing the success rate of long frame detachment and recovery.

The utility model belongs to the technical field of dust removal, and particularly relates to rapid dust removal environmental protection equipment which comprises a dust removal box and an air inlet pipe, the air inlet pipe is fixedly connected to the left end in the dust removal box, the right end in the dust removal box is fixedly connected with an exhaust pipe, and the inner end and the outer end of the dust removal box are connected with dust removal mechanisms. The dust removal mechanism comprises dust removal units and a disassembly and assembly unit; and the dust removal units are arranged at the inner and outer ends of the dust removal box. When the environment-friendly equipment capable of rapidly removing dust is used, a water pump and a motor are started, an output shaft of the motor rotates to drive fan blades to rotate to suck external air containing dust into a dust removal box, meanwhile, water at the bottom end in the dust removal box is sucked into a connecting pipe through the water pump, then enters a spraying head and is sprayed out downwards, and dust in the air entering the dust removal box is removed; and then the spray water containing dust falls onto the filter plate, is filtered by the filter plate and then remains at the bottom end of the dust removal box to be pumped out by the water pump again.

Provided is an elevator guide rail cleaning device that can control the amount of chemical solution supplied and has a high cleaning effect. [Solution] The cleaning device comprises: i) a device base 40 configured to be movable on a guide rail; ii) an injection unit 5 having a nozzle 50 arranged so that its injection port faces the guide section of the guide rail, and in an operating mode, supplying chemical liquid to the nozzle 50 to inject the chemical liquid onto the surface of the guide section; and iii) a control unit that controls the operation and non-operation of the injection unit 5. iv) a removal unit 6 having scrapers 61, 63 that can be brought into contact with and separated from the surface of the guide section, and in an operating mode, bringing the scrapers 61, 63 into contact with the surface of the guide section to remove deposits from the surface of the guide section as the device base 40 moves.

The invention relates to the field of steelmaking slag treatment, in particular to a casting slag treatment chamber which comprises a base layer, a fence and a dust removal unit, the fence surrounds the periphery of the base layer to form a slag storage cavity used for containing casting slag, a notch is formed in the fence so that a pouring opening used for pouring the casting slag can be formed in one side of the slag storage cavity, and the dust removal unit is arranged at the other side of the slag storage cavity. The pouring opening is used for conveying the casting residues into the residue storage cavity, the dust removal unit is arranged at the top of the fence, and the dust removal unit communicates with the residue storage cavity and is used for sucking air in the residue storage cavity; through cooperative use of the components, the casting residue treatment chamber contains casting residues through the base layer, hot residues generated in the casting residue pouring process are prevented from splashing everywhere through the enclosure, the danger degree during hot splashing is greatly reduced, the safety of operators in the field during work is guaranteed, and the casting residue treatment chamber is suitable for large-scale production. And the problem of environmental pollution caused by smoke dust overflow during casting residue treatment is effectively solved.

The invention relates to the technical field of cooling and dust removal devices, and discloses a cooling and dust removal device and method for civil construction of a thermal power plant. The cooling and dedusting unit comprises a first spraying mechanism and second spraying mechanisms arranged on the two sides of the first spraying mechanism. The third spraying mechanism is folded on the second spraying mechanism; the initial states of the two groups of second spraying mechanisms are crossed and folded, and the two groups of second spraying mechanisms are used for carrying out centralized spraying on a local serious dust raising area and inhibiting dust raising diffusion; the two second spraying mechanisms are in a horizontal posture after being unfolded and used for conducting large-range spraying, cooling and dust removal on the dust raising area. By arranging the first spraying mechanism, the foldable second spraying mechanism and the third spraying mechanism, the local spraying density can be improved, high-concentration flying dust can be rapidly pressed, the problem that traditional equipment is poor in local serious flying dust coping capacity is solved, a flying dust area with an ultra-large range can be covered, and the effective operation range is remarkably expanded.

The invention relates to the technical field of crushing mechanical equipment, and provides a jaw crusher for manufacturing concrete blocks by crushing and regenerating concrete solid waste, which comprises a rack, a crushing main body, a feeding channel and a dust removal unit, the crushing main body is arranged on the rack and is provided with a crushing cavity; the feeding channel is arranged above the rack and used for conveying materials, and a discharging opening of the feeding channel covers a feeding opening of the crushing cavity. The dust removal unit is arranged on one side of the rack and used for removing dust in the feeding channel and the crushing cavity. The dust removing unit comprises a dust removing tank, a dust filtering cylinder and a dust cleaning piece; the dust removal tank is used for collecting gas containing dust; the dust filtering cylinder is arranged in the dust removing tank and is used for filtering dust in the gas; and the dust cleaning piece is used for cleaning dust accumulated in the dust filtering cylinder. According to the technical scheme, the problems that in the related technology, a large amount of dust is generated when a crusher crushes materials, the body health of field workers is harmed, and meanwhile the surrounding environment is polluted are solved. The cleanliness of an operation environment is improved, and the body health of field operation personnel is protected.

This invention discloses a dust removal device used in the battery recycling process, relating to the field of dust removal equipment technology. It includes: a reaction dust removal unit comprising a reaction component mounted on a fixed support, a guide component inside the reaction component, a recycling component at the bottom of the guide component, and a water curtain component on one side of the recycling component; a conical tank on the fixed support; a connecting pipe on one side of the conical tank; a buffer component inside the conical tank; a return spring inside the buffer component; and a push plate at the other end of the return spring, with the push plate slidably connected to the buffer component. After dust and harmful gases enter the reaction component, they impact the buffer component for cushioning and guidance. The water curtain component draws ammonia water from the recycling component and sprays out three layers of water curtain. After the dust and gases impact the water curtain, they come into large-area contact with the ammonia water, causing the harmful gases to react, lowering the temperature, and adsorbing large heavy metal particles which fall into the recycling component. The ammonia water is filtered and recycled.

The invention relates to the technical field of energy conservation and environmental protection, in particular to a modular multifunctional dust removal system and method.The modular multifunctional dust removal system comprises a supporting frame, a dust accumulation box, a dust inlet pipe, a detection module, a dust collection module and at least two dust removal modules, and each dust removal module comprises a dust removal box body, a dust inlet, a dust outlet and an exhaust port; a first channel and a second channel are arranged in the dedusting box body in parallel, a dedusting unit is arranged in the first channel, and a channel blocking unit is arranged in the second channel; the channel blocking unit comprises a check block which reciprocates in the radial direction of the second channel so that the first channel and the second channel can be in a one-through one-blocking state at the same time. The detection module is arranged on the dust inlet pipe, the dust collection module is configured to provide negative pressure for the interior of the dust removal system, the reasonable dust removal system can be combined as required through flexible configuration and expansion among the dust removal modules, and bypass shutdown maintenance can be performed through channel adjustment even if one dust removal module breaks down.

The application discloses an online quick maintenance metal membrane dust removal device and method for coal gas purification, and relates to the field of coal gas purification. The device comprises a main body structure, a clean gas chamber, a filter chamber and a conical hopper which are sequentially arranged from top to bottom in the main body structure; a top cover is arranged on the top of the clean gas chamber, and a lifting hole is arranged on the top cover; a plurality of metal membrane filter bags are arranged in the filter chamber, a corresponding spray pipe is arranged above each metal membrane filter bag, and a manhole door is arranged on the wall surface of the main body structure corresponding to the spray pipe; the height of the clean gas chamber is greater than the height of the metal membrane filter bag; a plurality of main body structures are arranged, each main body structure serves as a dust removal unit, and the plurality of main body structures are arranged in parallel; the device can realize quick maintenance of the dust removal unit, replace harmful gas in the dust removal unit, ensure the safety of the working environment of personnel, and realize online maintenance.