149results about How to "Achieve self-cleaning effect" patented technology

The invention discloses equipment and a method for detecting the strength of an annular section of a large-diameter TA31 pipe, and relates to the technical field of pipes. According to the annular section strength detection equipment for the large-diameter TA31 pipe, through the design of a composite mechanism, the pipe is placed in the processing mechanism, the pipe space is restrained through the limiting mechanism, the pipe is prevented from moving in the inspection process, danger to workers is avoided, and therefore normal operation of the equipment is kept; the fixing mechanism controls the pipe to rotate and rub with the processing mechanism, so that the effect of cleaning the surface of the pipe is achieved, the situation that stains on the surface of the pipe affect the detection effect is avoided, a hydraulic rod controls a pressing plate to extrude the surface of the pipe, and the detection effect on the annular section strength of the pipe is achieved; therefore, the friction force on the surface of the pipe is increased, the pipe is prevented from shaking in the downward pressing process, and the operation stability is improved.

The invention discloses a waste gas treatment device for new energy industrial automobile production, and particularly relates to the technical field of waste gas treatment.The waste gas treatment device comprises a treatment box, a double-cylinder reverse filtering set is arranged on the lower side of the interior of the treatment box, the bottom end of the treatment box is fixedly connected with a gas suction pipe, and a bidirectional spraying assembly is arranged on the upper side of the double-cylinder reverse filtering set; a self-circulation assembly is arranged on the upper side of the bidirectional spraying assembly, and an air injection assembly is arranged on the upper side of the self-circulation assembly. According to the invention, double cylinders in the double-cylinder reverse filtering group rotate reversely to intercept waste gas in a layered manner and disturb airflow at the same time for preliminary filtering, and then a vertical three-dimensional spraying field is formed through cooperation of the bidirectional spraying assembly and the self-circulation assembly, and a filtering layer in the self-circulation assembly is cleaned; and finally, the adsorption and interception efficiency of small particles is improved through shaking of the air injection assembly, self-cleaning is achieved, and the treated automobile paint spraying waste gas can reach the standard to be discharged.

The invention discloses steelmaking flue gas recovery and waste heat utilization equipment and a use method, and relates to the technical field of flue gas waste heat recovery. Dust in the steelmaking flue gas can be filtered through the filter cartridge before the flue gas enters the heat exchange mechanism, and then the clean flue gas is conveyed into the heat exchange mechanism, so that the inner wall of the heat exchange barrel can be kept in a clean state all the time, the dust in the steelmaking flue gas is prevented from being attached to the inner wall of the heat exchange barrel, heat transfer is prevented from being hindered, and the service life of the steelmaking flue gas is prolonged. The smoke dust scraping assembly can scrape off smoke dust attached to the inner wall of the filter cartridge, the self-cleaning effect can be achieved while the heat of the steelmaking smoke gas is recycled, and therefore the good filtering effect of the filter cartridge is always kept, and the scraped-off smoke dust can be collected in a centralized mode under pushing of an auger. When high-temperature flue gas passes through the heat exchange assemblies, the heat exchange assemblies can rotate around the axes of the heat exchange assemblies, so that surrounding clear water is disturbed, clear water at different positions is stirred and mixed, and water temperature areas at different positions are consistent.

According to the heat exchanger structure with the built-in dirt self-cleaning device, a plurality of high-pressure outlet flow channels are transversely arranged on the top face in a main cavity in parallel, the high-pressure outlet flow channels are arranged in the main cavity in an embedded mode, and a cleaning connector is connected with a four-way electromagnetic valve through a cleaning pipeline; the four-way electromagnetic valve is arranged in the middle of the cold liquid inlet pipe and communicated with the cold liquid inlet pipe, the four-way electromagnetic valve is in linkage control connection with the temperature sensor through a cable, and the temperature sensor is arranged in the middle of the cold liquid outlet pipe. The cleaning structure is further communicated with a cold liquid inlet pipe through a pipeline and an electromagnetic valve, so that water of the cold liquid inlet pipe is directly led out, the inner diameter of the cleaning structure is reduced, the high-pressure cleaning effect is achieved, the electromagnetic valve is further connected with a temperature sensor arranged at the position of a cold liquid outlet pipe, and when the outlet pipe is stably lowered to the limit, the electromagnetic valve is started for cleaning; therefore, the self-cleaning effect of the whole heat exchanger is achieved.

The invention discloses a high-sealing anti-falling prefabricated junction box, and relates to the technical field of junction boxes, the high-sealing anti-falling prefabricated junction box comprises a box body and a box cover, and further comprises a wire hole sealing mechanism and a reinforcing mechanism, the wire hole sealing mechanism comprises a sealed annular air bag, a contraction groove and a pressed air-entrapping part, and the outer wall of the box body is provided with a wire cleaning part corresponding to a threading hole; according to the invention, through the arrangement of the wire hole sealing mechanism, a cable is inserted into the inner side of the box body through a threading hole, so that after the end part of the cable is fixedly connected with the connector bar, a pressed air-entrapping part in the wire hole sealing mechanism can be extruded by a box cover and continuously injects air into the inner side of a sealed annular air bag in the process of manually covering the box cover on the open end of the box body; therefore, the inner wall of the closed annular air bag can be tightly attached to the outer wall of the cable, the gap is reduced, the sealing performance in the box body is enhanced, and water vapor in the external environment of the box body is prevented from entering the inner side of the box body through the gap.

The invention relates to the technical field of vacuum welding, and discloses high-precision automatic mechanical welding equipment in a vacuum environment, which comprises an equipment shell, a supporting seat is arranged at the center position of the bottom of the equipment shell, a static tool seat is fixed at the upper end of the supporting seat, a movable tool seat is movably arranged right above the static tool seat, and the movable tool seat is movably arranged right above the static tool seat. A lead screw is rotationally arranged at the upper end of the edge of the static tool seat, a lead screw thread is arranged in the middle of the lead screw, the lower end of the lead screw is fixed to the inner layer of the static tool seat through a first bearing seat, and the upper end of the lead screw is fixed to the top of the equipment shell through a first bearing seat. A third servo motor is started, through a series of transmission, a coaxial walking gear is driven to move on a gear rail, the whole welding feeding seat is driven to do uniform-speed circular motion around an annular rail, accordingly, a welding flux guide pipe is made to evenly conduct injection welding along the outer edge of a welding seam by a circle, the uniformity is higher, the welding quality is improved, and the welding efficiency is improved. And automatic feeding is achieved, and time and labor are saved.

The utility model discloses a road maintenance management device for pavement disease detection and analysis, which relates to the technical field of road maintenance and comprises a support mechanism, a detection mechanism is arranged at the top of the support mechanism, a display mechanism is arranged on the front side of the detection mechanism, and the support mechanism comprises a base plate. Mounting plates are fixedly mounted on the left side and the right side of the base plate, a fixed square box is fixedly mounted at the top of the base plate, a motor groove is formed in the circle center of the top of the base plate, and the motor groove is located in the bottom of an inner cavity of the fixed square box. Through mutual cooperation of the support mechanism and the detection mechanism, the height of the whole detection mechanism can be adjusted, the storage space can be reduced to the minimum when the detection mechanism is not used or transported, meanwhile, a detection camera, a laser radar sensor and a display mechanism can be protected through cooperation with a herringbone top plate included in the detection mechanism, and the detection accuracy is improved. Rainwater foreign matter erosion is prevented, and the service life is prolonged.

The invention discloses a dish-washing machine spraying waterway system and a dish-washing machine, and the dish-washing machine spraying waterway system comprises an inner container provided with a washing cavity; the water cup is mounted at the bottom of the inner container and is communicated with the washing cavity; the cup lifting filter screen assembly is rotatably mounted in the water cup; the lower spraying arm comprises a spraying arm body and a water conveying pipe, the spraying arm body is located in the washing cavity, one end of the water conveying pipe is connected and communicated with the spraying arm body, the other end of the water conveying pipe penetrates through the cup lifting filter screen assembly and is rigidly connected with the cup lifting filter screen assembly, and the water conveying pipe is used for being connected into a water supply pipeline so as to supply water to the lower spraying arm. According to the technical scheme, the spraying and residue collecting effects of the lower spraying arm of the dish washing machine can be improved, and meanwhile the lifting cup filter screen assembly achieves the self-cleaning effect.

The utility model relates to the field of sewage treatment, and discloses an aeration grating for sewage treatment, which comprises an aeration sedimentation tank and a grating machine arranged in the aeration sedimentation tank, the rake teeth are driven by the chain wheel, movable tooth parts are rotationally arranged on the rake teeth, the movable tooth parts are driven to swing so as to shake off impurities, and in a default state, the included angle between the movable tooth parts and the rake teeth is 180 degrees; the aeration pipe is arranged on the inner wall of the aeration sedimentation tank, and a nozzle of the aeration pipe faces the grillage machine. According to the aeration grid for sewage treatment, the air injection direction of the aeration pipe is opposite to the water inlet direction, so that small backflow of inlet water occurs, the time of sewage in the aeration sedimentation tank is prolonged, the sewage repeatedly passes through the grid machine, and meanwhile, the movable tooth part swings and shakes off dirt hooked on the movable tooth part, so that the dirt falls into the slag groove, and the sewage treatment effect is improved. The self-cleaning effect is achieved, and the cleaning mode does not affect the transmission chain wheel.

The utility model relates to the technical field of milling and drilling machines, in particular to a vertical milling and drilling machine with a protection mechanism, which comprises a base, a waste collecting box, a sliding table, a sliding seat and a working table are sequentially arranged above the base, a lifting table is arranged above the waste collecting box, and a motor box is arranged on the side wall of the lifting table. A drill bit is arranged at the output end of the motor box, a protection mechanism is arranged on the outer side of the drill bit, and a dust collection mechanism is arranged on the outer side of the workbench. The protection mechanism comprises a fixed protection cover, the fixed protection cover is arranged outside the top end of the drill bit tip, a rotating protection cover is arranged in the fixed protection cover in a sliding mode, a sliding groove is formed in the fixed protection cover, and a sliding strip is arranged on the outer surface of the rotating protection cover. Through cooperation of the structure, the purposes of preventing metal chippings from splashing out to hurt people and automatically cleaning the chippings are achieved.

The present invention relates to a wheat efficient conveyor for flour processing, and relates to the technical field of flour processing, which comprises a bracket and a feed bin, wherein a horizontal conveying bin is connected below the feed bin, a horizontal screw conveying rod is arranged in the horizontal conveying bin, the feed bin is arranged at the upper end surface of the horizontal conveying bin, the feed bin is arranged at one end of the horizontal conveying bin, an inclined conveying bin is arranged below the horizontal conveying bin, an inclined screw conveying rod is arranged in the inclined conveying bin, the top of the inclined conveying bin is connected to the horizontal conveying bin, a connecting pipe is arranged at the other end, and an end of the horizontal conveying bin away from the feed bin is connected to a discharge pipe, the discharge pipe is arranged at the lower end surface of the horizontal conveying bin, a first filter plate is arranged in the connecting pipe, and a cover plate is arranged on the discharge pipe. The present invention circulates wheat during transportation by arranging a horizontal screw conveying rod, an inclined screw conveying rod and a first filter plate, separates large particle impurities and agglomerated wheat, and is beneficial to improving the quality of subsequent flour processing and improving production efficiency.

The invention belongs to the technical field of strawberry planting, and discloses a strawberry elevated planting water and fertilizer integrated device which comprises a control box, a gravel filter is installed on the rear side of the control box, the gravel filter is fixedly communicated with a laminated filter, and through cooperation of structures such as an outer pipe, an inner pipe, a spiral groove and an inclined hole, a double-layer drip irrigation pipeline is utilized, and the water and fertilizer integrated device is formed. By rotating the adjusting inner pipe, the drip irrigation point position can be adjusted, long-time drip irrigation at the same point position is avoided, each strawberry plant can uniformly receive fertilizer irrigation, the drip irrigation density can be adjusted, the drip irrigation rate can be adjusted in cooperation with a machine body, the device effectively adapts to the plant growth condition, constant-speed and accurate drip irrigation is achieved, it is ensured that the plant growth environment is basically consistent, and the quality is improved; the double-layer pipeline of the outer pipe and the inner pipe is adopted for drip irrigation, compared with a traditional mode that two single-layer pipes are used, the number of branches is reduced, the water pressure needed by a single planting box can be effectively reduced, more production lines can be increased, and therefore the strawberry planting yield is increased.

The utility model relates to the technical field of plane rotary screen, especially a plane rotary cleaning screen screen device with self-cleaning brush, which comprises a screening and flow changing frame, the left side of the screening and flow changing frame is fixedly connected with an upper plane rotary screen plate and a lower plane rotary screen plate, the top of the upper plane rotary screen plate is fixedly connected with a stable guard frame, the top of the stable guard frame is connected with a locking assembly, the surface of the locking assembly is connected with an upper guard plate, the bottom of the right side of the upper guard plate is fixedly connected with an adjusting frame, a driving motor is fixedly installed on the inner wall of the adjusting frame, the output end of the driving motor is fixedly connected with a threaded rotating rod, the utility model can filter and screen materials by using the stepped screen plate and screen holes, and the driving control moving brush plate is used to comb materials and clean impurities, so that the multiple screening and self-cleaning effect in the process of screening materials by the plane rotary screen is realized.

The utility model discloses an industrial roller shutter door guiding device capable of reducing abrasion, which relates to the field of roller shutter doors, and comprises a roller shutter door leaf, a support base is fixedly mounted at the bottom end of the roller shutter door leaf, guide components are mounted on two sides of the support base, and sliding rails are sleeved on two sides of the roller shutter door leaf. According to the anti-falling device for the roller shutter door, due to the arrangement of the anti-falling assembly, when the device is damaged and the roller shutter door leaf rapidly falls down, an anti-falling clamping block and an inclined clamping block can be rapidly thrown out of an anti-falling middle shaft due to centrifugal force at the moment, and the anti-falling clamping block is just clamped into an anti-falling clamping groove at the moment; when the roller shutter door leaves fall, the anti-falling middle shaft is clamped by the inclined clamping block and the anti-falling clamping block, then the anti-falling middle shaft and the rolling shaft cannot rotate, the roller shutter door leaves can rapidly stop falling, safety accidents caused by falling of the roller shutter door due to motor faults or connection looseness are prevented, the use safety of the roller shutter door is improved, and the safety of a user is guaranteed.

The modularized filtering device for the air compressor comprises a protective shell, a ventilation cover is fixedly installed on the upper end face of the protective shell, a limiting supporting ring is installed on the inner side of the upper end of the protective shell, a filtering net is arranged on the upper end face of the limiting supporting ring, and a first damping sealing ring is arranged on the side edge of the upper end face of the filtering net. A partition mounting frame is mounted on the inner side of the first damping sealing ring, and a plurality of bidirectional ventilation mechanisms are fixedly mounted at the upper end of the partition mounting frame. A first supporting spring is arranged in the middle of the upper end face of the partition mounting frame, an air guide frame is fixedly mounted on the outer side of the middle of the partition mounting frame, and a vibration motor is fixedly mounted on the upper end face of the air guide frame. Air entering the air compressor is filtered, the filtering pressure of a filter element of the air compressor is effectively reduced, the service life is prolonged, dust blockage is avoided, the air compressor can be self-sealed, and the sealing effect of the air compressor is kept when the air compressor is not used.

The utility model relates to the technical field of pipeline cleaning, in particular to a deashing device and an exhaust pipe convenient for cleaning an exhaust passage of a single crystal furnace, which comprises a deashing piece, a scraping sleeve component and a driver, the driver is provided with a driving rod for mounting the deashing piece and the scraping sleeve component, and the driver drives the driving rod to drive the deashing piece and the scraping sleeve component to linearly reciprocate. The scraping sleeve assembly comprises a plurality of scraping sleeve pieces used for cleaning the ash removal pieces, and the ash removal pieces are provided with ash removal cavities allowing the scraping sleeve pieces to penetrate through in a reciprocating mode. According to the dust removal device, the driver drives the dust removal part and the scraping sleeve part to be telescopically matched for use, various dust, particles, fine substances or oily substances and other residual substances accumulated on the inner side wall of the exhaust pipe can be removed, and the dust removal part is cleaned through the scraping sleeve part after being scraped on the inner side wall of the exhaust pipe; the effects of automatic cleaning of the exhaust pipe wall and the self-cleaning function are achieved, the pipe wall is cleaned regularly and regularly, cleaning of the pipe wall can be completed without manual cleaning, the cleaning efficiency is improved, and the cleaning convenience is improved.

The utility model belongs to the field of hollow glass, particularly relates to hollow glass with a self-cleaning structure, and aims to solve the problems that when an existing cleaning wiper moves upwards, residual stains are pushed to move upwards, at the moment, the stains are adhered to the inner wall of the top of a frame above the glass, and the cleaning difficulty is increased. A glass main body is fixedly mounted in the frame, and a scraping plate is arranged on the surface of the glass main body; the glass cleaning device further comprises a lifting assembly, the lifting assembly is located in the frame, and the scraping plate can be driven by the lifting assembly to move up and down and scrub the surface of the glass body. According to the self-cleaning device, the self-cleaning function is achieved, the efficient and stable self-cleaning effect is achieved through the design of special materials and a mechanical structure, meanwhile, secondary pollution in the cleaning process is avoided, and the self-cleaning device has high practical value and market prospects.

The utility model relates to the field of livestock breeding equipment, and discloses a novel water trough for livestock breeding, which comprises a water trough main body, and is characterized in that an automatic water adding mechanism is fixedly connected to the left side of the top end of the water trough main body, the water trough main body is connected with a cleaning mechanism, and the automatic water adding mechanism comprises a water storage tank; a mounting frame is fixedly connected to the right side of the inner wall of the water storage tank, sliding grooves are formed in the front side and the rear side of the interior of the mounting frame, a check block is arranged in the mounting frame, sliding blocks are fixedly connected to the front side and the rear side of the exterior of the check block, and a fixing rod is fixedly connected to the bottom end of the check block. According to the automatic water feeding device, the automatic water feeding function of the water feeding device is achieved, then the burden of breeding personnel is relieved, the working efficiency of the breeding personnel is improved, the self-cleaning capacity of the water trough is achieved, the purity of drinking water is guaranteed, and the drinking water is prevented from affecting the body health of cattle and sheep.

The utility model discloses a kind of self-cleaning device of polyester yarn carding roller of rotor spinning machine, it is related to spinning machine cleaning technical field, specifically including machine body, the machine body inside rotation is installed with carding roller body, the machine body inside rotation is installed with rotor, the bottom of the inside of machine body is fixedly installed with cleaning assembly, one end of the carding roller body is fixedly installed with driving motor, the cleaning assembly includes motor, the output of the motor is fixedly installed with connecting shaft, a plurality of de-fuzzing teeth are rotatably installed on the connecting shaft, the de-fuzzing tooth one side is fixedly installed with torsion spring, the bottom of the inside of machine body is provided with collection box, and the side wall of collection box is inserted with cleaning plate.The utility model, by motor driving the rotation of de-fuzzing tooth on connecting shaft, utilize the contact of de-fuzzing tooth and carding roller body surface, by de-fuzzing tooth, the lint adhered to the surface of carding roller body is cleaned, realize the self-cleaning effect of spinning machine carding roller.

According to the fluff suction system of the roving frame, air firstly enters a negative pressure box along a negative pressure pipe assembly, then is filtered by a metal filter screen frame and then is discharged from a centrifugal fan, fluff is filtered by the metal filter screen frame, and therefore the fluff in the air is reduced, and the fluff suction system is environmentally friendly; after the batting is sucked and filtered through negative pressure for a period of time, the centrifugal fan is turned off firstly, and in the process that the negative pressure box is moved to the leftmost end between the rails through the power mechanism, the communicating pipe penetrates through the inserting opening, then overcomes the elastic force of the elastic assembly and drives the push plate and the metal filter screen frame to move rightwards; the second sealing ring abuts against the peripheral side of the connecting port of the negative pressure box and the centrifugal fan so as to prevent batting from falling to the connecting port of the negative pressure box and the centrifugal fan, then the negative pressure dust collector is started, the batting collected by the metal filter screen frame in the negative pressure box is sucked into the negative pressure dust collector, and the effect of conveniently cleaning the batting accumulated in the negative pressure box is achieved.

The application relates to a concrete processing equipment and relates to the technical field of building equipment, which comprises a protective shell, a groove column fixedly connected to the outside of a driving assembly, a plurality of stirring blades fixedly connected to the outside of the groove column, a connecting column a fixedly connected to the top of the groove column, a circular ring fixedly connected to the outside of the connecting column a, a plurality of long scrapers fixedly connected to the bottom of the circular ring, a plurality of short scrapers fixedly connected to the outside of the circular ring, and an anti-blocking disc fixedly connected to the lower end of the outside of the groove column. The application has the effects that the groove column is driven to rotate by starting the motor to drive the rotating shaft, the stirring blades and the circular ring are synchronously rotated, the long scrapers and the short scrapers connected to the circular ring are synchronously rotated to clean the inner wall of the stirring barrel and the edge of the barrel opening, grooves are arranged on the outside of the stirring blades and the groove column, the equipment is prevented from being blocked, and the self-cleaning effect is achieved.

The utility model belongs to the technical field of self-priming pumps, and particularly relates to an efficient filtering type self-priming pump which comprises a bottom plate and a filter cartridge, a base is arranged at the top of the bottom plate, a pump body is arranged at the top of the base, a water inlet pipe is arranged on the right side wall of the pump body, a connector is arranged on the left side wall of the filter cartridge, and a water outlet pipe is arranged on the right side wall of the filter cartridge. According to the efficient filtering type self-priming pump, in the process that the efficient filtering type self-priming pump is used for pumping water, the cleaning brush is driven by the impact force of water flow to rotationally clean the filter screen, the self-cleaning effect is achieved, and the efficient filtering type self-priming pump is convenient to use. The problem that the filter screen is blocked after long-time use is avoided, efficient filtering is facilitated, and the water supply capacity of the self-priming pump is guaranteed.

The present invention discloses a filtering treatment device and a treatment method for smoke dust treatment, and the present invention relates to the technical field of smoke dust filtration. By setting a primary, secondary and tertiary filter assembly, dust of different particle sizes in the smoke can be filtered step by step from large particle size to small particle size, so as to achieve the effect of multi-stage filtration of smoke dust. Compared with the traditional single-layer filter bag filtration method, the present invention enables the dust in the smoke to be fully filtered; the primary, secondary and tertiary filter assemblies can continuously clean the surface of the filter bag passing through the dust cleaning assembly while rotating, so as to achieve the effect of self-cleaning by using the power of smoke dust. When the dust cleaning assembly cleans the primary, secondary or tertiary filter assembly, the primary, secondary and tertiary filter assemblies can still be in normal working state, and the smoke filtration process will not be interrupted, thereby ensuring the continuity of the smoke filtration process, and can also protect the filter bag to the greatest extent, and extend the service life of the filter bag.

The invention discloses an automatic deviation correcting device for artificial turf conveying and relates to the technical field of blocky artificial turfs.The automatic deviation correcting device comprises a production frame and a storage frame and further comprises a guiding device.A production hole is formed in the top of the production frame, traction equipment is fixedly installed on the inner wall of the production hole, and a placing frame is fixedly installed on the top of the production frame; a servo motor is fixedly installed on the front side of the containing frame, the guiding device comprises a guiding rod, a rubber plate, a guiding disc and a containing block, the containing block moves in the direction away from the servo motor to drive a deviation rectifying rod to move, and the deviation rectifying rod moves to drive a deviation rectifying plate to move; the deviation correcting plate moves in the direction away from the servo motor to conduct deviation correcting operation on the block-shaped artificial turf on the top of the production frame, the moving direction of the turf can be effectively controlled by using the combination of a guide disc and a rubber plate, and therefore deviation of the block-shaped artificial turf is reduced, and the efficiency of follow-up deviation correcting operation is further improved.

This invention relates to the field of wastewater treatment technology, and in particular to a circulating water treatment system and method for a high-density sedimentation tank. The system includes a tank body with a top plate fixedly installed on its upper surface. A mixing zone and an inclined tube sedimentation zone are respectively arranged at the front and rear of the inner side of the tank body. A guide tube is fixedly installed between the mixing zone and the inclined tube sedimentation zone. A drive shaft is installed on the inner side of the guide tube via a drive mechanism. A guide vane is fixedly installed at the lower end of the drive shaft. A defoaming disc is fixedly sleeved on the outer surface of the drive shaft, near the top of the guide tube. This invention achieves efficient defoaming and flow stabilization through rotating defoaming ribs and a lower arched surface, preventing sludge from floating. Simultaneously, it automatically switches the rotation state of the defoaming ribs based on changes in liquid level, performing synchronous defoaming during normal operation and automatic relative rotation for self-cleaning during maintenance. This significantly improves sedimentation efficiency and reduces maintenance difficulty.

The application discloses a power monitoring multifunctional instrument convenient to install, and relates to the technical field of multifunctional instruments.The power monitoring multifunctional instrument convenient to install comprises a protection device.The power monitoring multifunctional instrument convenient to install is characterized in that a cover plate slides in the inner side of a slide rail, so that the cover plate is convenient to disassemble and place components;the monitoring instrument is supported by a supporting plate, so that the monitoring instrument is convenient to fix;the monitoring instrument is extruded by a clamping mechanism, so that the clamping mechanism can fix components;the components are reduced to shake, the components are reduced to shake in the equipment, the stability of the components is improved;air flow is transported into the protection shell by a treatment device, so that the treatment device can ventilate and radiate heat, the temperature of the components in the equipment is prevented from being too high, the components are prevented from malfunctioning, moisture in the air flow is absorbed during the air supply of the treatment device, so that water vapor and dust are reduced to enter, the pollution of the equipment by the outside is reduced, and the equipment is kept to normally operate.

The invention discloses a water conservancy monitoring device for water conservancy facilities, and relates to the technical field of water conservancy monitoring devices. Comprising a base, and a vertical frame is mounted on the base; a mounting frame is mounted on the vertical frame, a control box is mounted on the mounting frame, and a control module and a power supply module are arranged in the control box; a water level detection mechanism is mounted on one side of the vertical frame; a water quality detection mechanism is mounted on the base; the water quality detection mechanism comprises a detection box, a liquid box and a contact type water quality detection assembly are arranged in the detection box, a probe of the contact type water quality detection assembly is located in the liquid box, the liquid box of the detection box is connected with a pumping assembly, the pumping assembly is used for pumping water into the liquid box, and the liquid box is further provided with a drainage pipe. By arranging the water quality detection mechanism, the water quality detection mechanism can work based on a pumping pump, water is pumped through a pumping pipe and conveyed to the liquid tank, water quality information in the water tank is detected through a contact type water quality detection assembly, and the water is discharged through a drainage pipe after detection is completed.

The utility model discloses a hollow type inverted arch arched trestle which is characterized by comprising a pair of trestle units, the pair of trestle units are arranged side by side, each trestle unit comprises an arched bridge section and a supporting bridge section which are arranged in an up-and-down stacked mode, an interval space is formed between each arched bridge section and the corresponding supporting bridge section, leakage holes are distributed in the arched bridge sections, and the leakage holes are communicated with the supporting bridge sections. And a plurality of storage plates are arranged in the interval space and are used for receiving stones and silt falling from the leaking holes. The utility model solves the problem that the traffic of vehicles is influenced by the accumulation of silt on the bridge floor.

The invention relates to the technical field of biomass fluidized beds, and discloses an internal circulation biomass fluidized bed device coupling coal-fired boiler gas supply device and method, the internal circulation biomass fluidized bed device coupling coal-fired boiler gas supply device comprises: a non-equidistant screw feeder for conveying biomass raw materials; and the output end of the non-equidistant spiral feeder is fixedly connected with the gasification furnace. According to the internal circulation biomass fluidized bed device coupling coal-fired boiler air supply device and method, the stirring device is arranged, air flows sprayed out through the oblique air spraying opening enable materials to generate rolling and fluidizing effects in a gasification furnace, the materials make more sufficient contact with the air, the reaction rate and gasification efficiency are improved, and the gasification efficiency is improved. The airflow can stir the materials, prevent the materials from accumulating or dead angles in the gasification furnace and keep the reaction environment in the gasification furnace stable, and the airflow can optimize heat transfer and material reaction and reduce energy waste, so that the efficiency and reliability of the whole system are improved.