47results about How to "Improve interception efficiency" patented technology

The invention discloses a treatment process of photovoltaic cell production wastewater, and relates to the technical field of industrial wastewater treatment. Comprising the following steps: treating dilute acid and dilute alkali through a reclaimed water recovery membrane system to obtain first produced water and reclaimed water concentrated water; treating the concentrated acid wastewater and the reclaimed concentrated water through a fluorine-calcium crystallization system to obtain defluorinated concentrated water and calcium fluoride crystals; treating the RO concentrated water and the defluorinated concentrated water by a hardness removal recycling system to obtain hardness-removed concentrated water and second produced water; treating the concentrated alkali wastewater through an alkali recovery membrane system to obtain purified alkali and alkali-removed concentrated water; hardness-removed concentrated water and alkali-removed concentrated water are treated by a comprehensive physicochemical system, and then are sequentially treated by a high-power concentration membrane system and a zero-discharge crystallization system to obtain solid wastes. The photovoltaic cell production wastewater treatment process provided by the invention achieves an economical and feasible zero-emission solution.

The utility model relates to the technical field of hydroelectric generators, and discloses a hydroelectric generator with an anti-winding function, which comprises a generator rotor, a support column, an outer shell and a turbine blade, the top end of the turbine blade is connected with a rotating shaft, the outer part of the rotating shaft is connected with a connecting rod, and the outer part of the connecting rod is sleeved with an intercepting sleeve. According to the hydroelectric generator with the anti-winding function, the intercepting sleeve is arranged on the front side of the turbine, the effects of blocking and collecting filiform impurities such as aquatic plants can be achieved, the problem that the filiform impurities are wound on turbine blades and are not easy to clean is solved, a plurality of burrs are arranged outside the intercepting sleeve, the intercepting efficiency can be improved, and the practicability is high. And meanwhile, through cooperation of a connecting rod and an intercepting sleeve, the intercepting sleeve can be detached, so that convenience is provided for cleaning of the intercepting sleeve, and manual operation is facilitated.

The present invention provides a sewage well leakage plugging device and a method of using the same, and belongs to the technical field of municipal facilities. A sewage well leakage plugging device includes a well frame, a well cover, a connecting groove, a water inlet, a filter plate and a drainage unit, wherein the drainage unit includes an upper shell, a drainage groove, a lower shell, a cylindrical groove, a connecting shaft one, blades and a drainage port; the present invention makes full use of the natural power of water flow through the drainage unit composed of the upper shell, the drainage groove, the lower shell, the cylindrical groove, the connecting shaft one, the blades and the drainage port. When ground rainwater flows into the drainage groove through the water inlet, the water flow can smoothly enter the cylindrical groove, drive the blades on the connecting shaft one to rotate along the cylindrical groove, and discharge the water from the drainage port into the well. This design not only achieves rapid drainage without the need for additional power equipment, but also avoids the odor problem caused by the long-term opening of the traditional water inlet, thereby improving the air quality of the surrounding environment.

The invention relates to the related technical field of health information monitoring, and discloses integrated health information monitoring equipment and a use method thereof, the equipment comprises a monitor body, and the monitor body is internally provided with an air inlet end, a processing assembly, a condenser, a sensor, a fan and an air outlet end in sequence. The treatment assembly comprises a shell, a cavity unit capable of rotating in the circumferential direction is arranged in the shell, a baffling channel is formed in the cavity unit, and a filtering assembly with a filtering state and a cleaning state is arranged on the baffling channel. The filtering assembly comprises a first arc-shaped filtering plate forming a rough filtering unit and a second arc-shaped filtering plate forming a fine filtering unit. The cavity unit is driven by the driving assembly to rotate, so that the filtering assembly is switched between the filtering station and the cleaning station; the filter resistance change is detected through the differential pressure detector, and when the filter assembly is located at the cleaning station, the cleaning assembly applies reverse airflow to the filter assembly for cleaning.

This application relates to a 10G network underlying packet high-speed filtering and interception system and method based on FPGA architecture, including a client MAC module, set at the data link layer, for receiving raw data packets in Ethernet frame format sent by the physical layer, inserting a count value as the identity identifier of the raw data packet to obtain an extended data packet; a risk control module, set at the data link layer and associated with the transport layer, for generating detection results and matching the detection results with the corresponding identity identifier; a MAC parsing module, set at the data link layer and associated with the transport layer, for parsing the extended data packet and obtaining the packet length field of the TCP packet; a forwarding control module, set at the data link layer, for calculating the delay duration, sending the MAC frame containing the TCP packet after the delay duration ends, and determining whether the MAC frame containing the TCP packet has been modified; and a market-side MAC module, set at the data link layer, for receiving the extended data packets sent by the forwarding control module, realizing high-speed packet filtering and interception at the 10G network underlying layer.

This utility model discloses an easy-to-clean filter box, comprising: a filter box body, the filter box body being hollow and forming a first chamber and a second chamber, an air inlet pipe and an exhaust pipe connected to the upper end of the filter box body, and several windows opened on the rear surface of the filter box body, with sealing plates installed inside the windows; an isolation plate, located between the first chamber and the second chamber, with the filter box body fixedly connected to the upper end and both ends of the isolation plate; a support assembly, two of which are stacked vertically, located inside the first chamber; a filter screen, the filter screen being installed on the upper end of the support assembly, the filter screen having a convex structure; and multiple fixing assemblies, multiple of which are installed on both sides of the upper end of each sealing plate. This utility model achieves the dual advantages of high-efficiency filtration and easy cleaning through the easily openable and closable sealing plate, the easily accessible filter screen, and the stable support and fixing structure, and has a stable structure and strong adaptability.

The application discloses a wide-band hat-type feed antenna and belongs to the technical field of satellite communication antennas. The method adopts a light-wall shaped horn loaded with an outer corrugated slot and a choke slot, improves horn and space matching, realizes expansion of a frequency band from 1.6:1 to 2.8:1, loads a slot at the horn mouth and the edge of the choke slot, realizes equalization characteristics of a feed radiation pattern, adopts a small-size sub-reflector to reduce shielding of the reflector, loads double choke slots in the reflector, reduces diffraction of the sub-reflector, and improves antenna radiation efficiency, and uses spline parameterization of the sub-reflector and the main reflector to realize integrated optimization design, so that the frequency bandwidth of the traditional hat-type feed is expanded, and good side lobe and efficiency performance are realized.

The utility model provides a biological filter bed for ecological management of a river channel, which comprises a bed body, a filter material box is arranged on the inner wall of the bed body, and through holes are formed in the inner walls of the bed body and the filter material box; the intercepting mechanism comprises piles arranged on the periphery of the bed body, the inner walls of the piles are in sliding connection with connecting blocks, an intercepting net is arranged on one sides of the connecting blocks, floating balls are arranged on the top of the intercepting net, a balancing weight is fixedly connected to the bottom of the intercepting net, and the intercepting mechanism further comprises limiting blocks fixed to one sides of the connecting blocks; limiting grooves are formed in the inner walls of the piles, the limiting blocks are slidably connected with the limiting grooves, and four mounting grooves are formed in the inner wall of the bed body. The biological filter bed for ecological management of the riverway solves the problem that some existing biological filter beds for ecological management of the riverway are not provided with a function of intercepting garbage, so that garbage or branches and the like floating on the riverway are easy to damage the filter bed.

The invention relates to the technical field of spraying wastewater treatment, in particular to a wastewater treatment device for a spraying assembly line and a treatment method of the wastewater treatment device. The technical problem that an existing wastewater treatment device for a spraying assembly line is difficult to separate impurities separated out from wastewater from water in time, so that the reaction efficiency of the wastewater and a reagent is low is solved. The wastewater treatment device for the spraying assembly line comprises a mounting rack, a treatment box, a sealing plate, a storage frame, a water outlet pipe, a stirring part and the like, the treatment box is fixedly connected to the mounting rack, and six pollution discharge holes are uniformly formed in the treatment box. Impurities can be intercepted by the filtering baffle in the process of rotating along with the wastewater, the impurities filtered out of the filtering baffle are scraped to the position above the sewage discharging hole of the treatment box through the scraping rod, the impurities can fall into the storage frame through the sewage discharging hole of the treatment box, in this way, the wastewater can better react with reagents, the separated impurities can be separated from the wastewater in time, and the wastewater treatment efficiency is improved. The reaction efficiency of the wastewater and the reagent is further improved.

This utility model relates to the field of hydraulic machinery, specifically to a mechanical pump. A conical filter screen is located at the inlet, providing a large flow area and high interception efficiency, effectively blocking large particles of impurities in the water and preventing them from entering the pump body and causing damage or blockage. When water flows through the filter screen, impurities gradually accumulate on its surface. If not cleaned promptly, this leads to a slower flow rate and increased pressure within the mechanical pump. The microcontroller receives data from sensors, makes judgments, and controls an electric ball valve to open for flushing. Furthermore, the water flow from the flushing inlet drives a flushing turbine, which in turn drives a cleaning brush to clean the filter screen. This invention solves the problems of existing mechanical pumps being prone to clogging, requiring manual cleaning after clogging, which increases water flow resistance, reduces pump efficiency, and can even cause shutdowns.

This utility model belongs to the field of chemical equipment technology, specifically a catalyst addition device for a reaction vessel, including a reaction vessel body; a guide pipe is fixedly connected to the top of the reaction vessel body; the guide pipe penetrates the surface of the reaction vessel body; a support rod is fixedly connected to the bottom of the guide pipe; and a feed inlet is provided at the top of the guide pipe. Through the filter plate structure, this design is not only simple and convenient to operate, but also intercepts mechanical impurities and crystals in the catalyst through the filter plate, preventing impurities from entering the reaction system, thereby significantly reducing the impurity content in the product, such as metal ions and solid particles, improving product purity and stability, and further improving processing quality. Moreover, the mechanical vibration achieves an anti-clogging function, reducing downtime caused by cleaning the filter device and greatly improving production efficiency. Compared with complex electronic induction or hydraulic backwashing systems, it has the advantages of simple structure and low maintenance cost.

The utility model relates to the technical field of liquid filtration, particularly relate to a filter assembly and flow measuring instrument, its effective circumvention hard impurity leads to the risk of sensing unit jam, component wear and tear, and has reduced the cleaning difficulty of self, including: filter drum, the inside of filter drum is provided with filter cavity, and both sides of filter drum are provided with liquid inlet and outlet, the towed ring is fixedly set on the inner side wall in filter drum, and the lowest point of towed ring is set below liquid inlet, and the highest point of towed ring is set above liquid outlet, the top cap is covered and set at the top end of filter drum, and the connecting place of top cap and filter drum is provided with sealing assembly, the filter groove is provided with the hanging ring on the filter groove, and the filter groove sets up inside filter drum, and the hanging ring is set on towed ring.

The invention relates to an environment simulation test box for air tightness detection equipment, the environment simulation test box comprises a detection chamber for placing a detection object and an environment simulation device arranged in the detection chamber, the environment simulation device comprises a water outlet mechanism and an air blowing mechanism, the water outlet mechanism is arranged at the top end in the detection chamber to drive liquid to fall down along the vertical direction, and the air blowing mechanism is arranged in the detection chamber. One end of the backflow device is communicated with the water retaining chamber, the other end of the backflow device is communicated with the detection chamber to form internal circulation flow of airflow, the water retaining chamber is communicated with the detection chamber in the horizontal direction, and the air blowing mechanism is arranged in the detection chamber and is far away from one side of the water retaining chamber; the water retaining chamber is arranged in the detection chamber to drive airflow and rainwater in the detection chamber to flow towards the water retaining chamber, a plurality of sections of bent airflow channels are arranged in the water retaining chamber, and the bending direction of the bent airflow channels changes along the vertical direction to force the airflow to repeatedly change the flowing direction in the channels so as to intercept water mist in the airflow. And water mist is prevented from entering the blower device.

The embodiments of the present invention relate to the field of interrupt control technology, and disclose methods, devices, systems, equipment, media and products for processing interrupt information. The method includes: determining the interrupt information to be sent; obtaining configurable information including an interception enable flag and an interception feature; when the interception enable flag indicates that interception is turned on and the interrupt information to be sent matches the interception feature, the interception status of the interrupt information to be sent is determined. Based on the configurable information, the interception status of the interrupt information matching the interception feature is determined to avoid a large amount of repetitive interrupt information being accumulated at the host, thereby improving the efficiency of the host in processing interrupts. The configurable interception method improves the control flexibility. Based on the interception statistical characteristics of the interception behavior, the configurable information is feedback-adjusted to improve the accuracy of the configurable information and the interception efficiency.

This utility model relates to the technical field of floating debris interception boxes in water conservancy projects, specifically to a steel structure floating debris interception box for water conservancy projects. It includes a central floating box and two side floating boxes, each composed of a steel frame and a floating net. The side walls of the central floating box and the two side floating boxes are provided with interception openings. Two steering adjustment components are included, each comprising two electric push rods fixedly installed on the outer wall of the central floating box. The output ends of the two electric push rods are fixedly connected to hinge seats. Two transverse slide rails are fixedly connected to the outer wall of the side floating boxes. This utility model allows adjustment of the interception direction and angle of the side floating boxes, adapting to different water flow directions and floating debris distributions. It also enables rapid active draft adjustment of the floating debris interception box, allowing it to intercept floating debris at different water depths, thus improving the interception efficiency of the floating debris interception box.

The invention discloses a water quality detection sample extraction device, and relates to the technical field of water sampling, the water quality detection sample extraction device comprises a peristaltic pump, a peristaltic pipe is installed on the peristaltic pump, one end of the peristaltic pipe is in butt joint with an extension pipe, the other end of the extension pipe is detachably connected with a sieve pipe, and a sieve plate is slidably arranged on the inner wall of the water inlet end of the sieve pipe in the axial direction; a main shaft collinear with the axis of the screen pipe is rotationally installed in the screen pipe through a bearing, one end, away from the screen plate, of the main shaft is fixedly connected with a paddle, the other end of the main shaft is hinged to a winding rod, a through hole is formed in the center of the screen plate, the winding rod penetrates through the through hole, and the screen plate does not break away from the winding rod all the time in the moving process. According to the water quality detection sample extraction device, the paddle and the winding rod are arranged in the screen pipe, aquatic plants can be intercepted before making contact with the screen plate, due to the fact that power comes from negative pressure generated by the pump, additional power is not needed, screen holes can be prevented from being blocked, meanwhile, the aquatic plants can be automatically cleaned through the screen plate after stopping, and the water quality detection sample extraction device is convenient to use. And subsequent use is facilitated.

The application discloses the technical fields of network security management and a network security protection method and device, an electronic terminal and a storage medium. The method comprises the following steps: obtaining crawler user data and non-crawler user data obtained by a target anti-crawling system after anti-crawling identification of access data generated in each unit period; based on the crawler user data and the non-crawler user data, feature running information corresponding to the target anti-crawling system in each unit period is extracted; based on the feature running information corresponding to adjacent unit periods, a feature running trend correlation result of the target anti-crawling system between adjacent periods is determined, and adjacent unit periods satisfying the feature running trend correlation are obtained; and based on the feature trend node distribution of the target anti-crawling system in a preset detection period, a corresponding security protection strategy is adopted for the target anti-crawling system. The application can improve the efficiency and accuracy of anti-crawling system identification and interception.

The invention discloses a preparation process of a stainless steel water tank integrating water filtering, and belongs to the field of kitchen utensil manufacturing. The process aims at solving the problems that an existing water tank needs to depend on an external filter basket and is inconvenient to use and difficult to clean. The core of the method is that after a water tank main body is formed, laser micro-texture pretreatment, preparation of a porous metal ceramic transition layer through atmospheric plasma spraying and preparation of a polymer precise filter membrane through ultrasonic spraying and sintering are sequentially performed on a water filtering functional area preset at the bottom of the water tank, and super-hydrophobic modification and edge sealing are performed on the filter membrane. By constructing a gradient composite functional structure of the high-strength porous transition layer, the precise microporous filter membrane and the super-hydrophobic surface, an efficient and durable physical filtering function is permanently integrated into the water tank body for the first time, and an external filter basket is replaced. The obtained water tank product has excellent filtering efficiency, extraordinary durability, extreme easy-to-clean property and good water permeability, and the integrated innovation of the function and the structure of the water tank is realized.

The utility model relates to the technical field of pigment production, and discloses an inorganic pigment mixing dust removal device which comprises a pigment mixing device, a negative pressure device, a dust collector and a preliminary interception assembly, the pigment mixing device comprises a stirring bin used for mixing inorganic pigments, and the negative pressure device comprises an air pump arranged on the stirring bin; the dust collector comprises a collecting box arranged at the air inlet end of the air pump, a backflow valve is arranged on the inner side of the lower end of the collecting box, the preliminary intercepting assembly comprises a collecting pipe used for communicating the collecting box with the stirring bin, and filter cloth is arranged on the inner side of the collecting pipe; through cooperative use of the negative pressure equipment, the dust collector and the preliminary intercepting assembly, pigment particles in airflow can be preliminarily intercepted and collected, flying pigment dust intercepted by a filter element is collected through shaking of filter cloth and a collecting box, the flying pigment dust is poured into the bin body at regular time through a backflow valve, the intercepting efficiency is improved, waste of pigment can be avoided, and the environment is protected. The device has the advantages of pigment recovery and waste prevention.

The invention provides an anti-unmanned aerial vehicle interception path planning method and system based on deep learning, and relates to the technical field of anti-unmanned aerial vehicle, and the method comprises the steps: firstly obtaining the real-time motion information of an unmanned aerial vehicle, the basic state information of interception equipment, and the dynamic change information of an environment; inputting the real-time motion and environment dynamic change information of the unmanned aerial vehicle into the trajectory prediction model to generate a future trajectory prediction result of the unmanned aerial vehicle; generating an initial interception path based on the future trajectory prediction result of the unmanned aerial vehicle and the basic state information of the interception equipment; calculating a matching deviation between the initial interception path and the trajectory prediction result, and adjusting to obtain a coupled and matched interception path; and controlling the interception equipment to move according to the interception path, and feeding back actual movement data to the trajectory prediction model for parameter iterative updating. According to the invention, the success rate and reliability of anti-unmanned aerial vehicle interception are improved.

This utility model relates to the field of waste interception technology and discloses a waste interception device for the inlet of a hydropower plant unit. It includes an inlet channel, a filter screen (two sets) housed within the inlet channel cavity, a fixing component between the two sets of filter screens, a waste discharge component within the fixing component cavity, and a scraper between the two sets of filter screens. An installation cavity is located above the inlet channel, housing a drive unit and a discharge pipe. By setting two sets of filter screens and the fixing groove to form a trapezoidal structure, the filtration area is expanded to improve impurity interception efficiency, and the flushing force of the water flow is used to gather impurities to the front of the fixing groove for subsequent centralized cleaning. Simultaneously, the cylindrical space formed by the fixing groove and the arc-shaped pipe provides a collection area for waste. The scraper, shaped like a fan and fitting against the outer wall of the arc-shaped pipe, combined with its lifting action, can thoroughly clean impurities from the gaps in the filter screens and the outer wall of the arc-shaped pipe, avoiding cleaning dead zones.

A kind of decentralized domestic sewage quality low consumption treatment system, it is related to domestic sewage treatment field, including sewage treatment enclosure, the inner chamber top of the sewage treatment enclosure is equipped with mesh filter assembly for intercepting large block impurities in domestic sewage at open position, the bottom of the sewage treatment enclosure is equipped with multiple medium filter layer, biological treatment layer and disinfection layer from top to bottom respectively, the mesh filter assembly includes intercepting net bag one, several intercepting net bag two are arranged in the inner chamber of the intercepting net bag one, the utility model discloses by multilayer level collaborative processing, the efficient removal of suspended solids, organic matter, nitrogen and phosphorus and pathogen in domestic sewage is realized, and mesh filter assembly can be partially disassembled maintenance, avoid the influence of shutdown on overall operation, the system has the characteristics such as small footprint, low investment, low operating energy consumption, maintenance is convenient, especially suitable for rural, scenic spot etc. Dispersed scene, with environmental friendliness and economic feasibility.

The utility model relates to the technical field of energy storage, in particular to an energy storage equipment electric control prefabricated cabin which comprises a box body, a cover plate hinged to the top of the box body, handles symmetrically arranged on the upper surface of the cover plate, heat dissipation nets symmetrically arranged on the back of the box body and used for ventilation, a plurality of battery modules arranged at the bottom end in the box body, and a protection groove formed in the inner wall of the box body. A protection pad with a protection effect is arranged in the protection groove, and heat dissipation assemblies are symmetrically arranged on the two sides of the battery module; according to the electric control prefabricated cabin for the energy storage equipment, the heat dissipation water pipes are arranged on the two sides of the battery modules, so that the distance between the battery modules is increased, heat generated in the working period of the battery modules is dispersed, and the situation that heat is excessively concentrated and is not beneficial to heat dissipation is avoided; under the action of water flow, circulating flow is achieved, heat dissipation treatment on accumulated heat in the box body is achieved, and a protection pad in the protection groove plays a buffering role and is used for protecting equipment in the box body.

The peculiar smell purification device with the waterproof function comprises a shell, an intelligent switch and a ballast are arranged at the top of the shell, an air inlet and an air outlet are formed in the two ends of the shell respectively, and a filter screen, a first photocatalytic plate, an ultraviolet lamp, a second photocatalytic plate and a draught fan are sequentially arranged in the shell in the air direction; a layer of titanium dioxide photocatalyst is arranged on the surfaces of the first photocatalytic plate and the second photocatalytic plate; when the intelligent switch is turned on, the fan rotates, air enters from the air inlet, is filtered by the filter screen and flows out from the air outlet under drainage of the fan after making contact with the first photocatalytic plate and the second photocatalytic plate for reaction, and super-hydrophobic nets are arranged at the air inlet and the air outlet and used for preventing water vapor from entering the shell. The efficient peculiar smell purification device not only has a waterproof function, but also can remove peculiar smell more efficiently.

This utility model discloses an integrated CO2 heat pump system for fresh air supply, comprising a housing with a fresh air inlet and a fresh air outlet; a primary and secondary efficiency filter, a first heat exchanger, and a second heat exchanger are sequentially installed inside the housing along the fresh air flow direction; the heat pump system using carbon dioxide as refrigerant includes a compressor, a four-way valve, an expansion valve, and a closed refrigerant circuit, the circuit being connected through the four-way valve port so that the compressor exhaust passes sequentially through the first heat exchanger, the expansion valve, and the second heat exchanger before returning to the compressor; a variable frequency fan is installed between the second heat exchanger and the fresh air outlet; temperature and humidity sensors are respectively installed on the outdoor and indoor sides; the controller connects the sensors, the four-way valve, the compressor, and the fan, and has the advantages of dynamically switching between cooling / heating / dehumidification modes and adjusting the fan speed according to environmental parameters.

The application discloses a design method of pollution load grading buffer zone based on DEM, and relates to the technical field of environmental protection and ecological engineering, and the method comprises the following steps: obtaining a high-precision digital elevation model of a target region and extracting topographic and hydrological characteristic parameters; calculating the pollution load index of each spatial unit through a built composite pollution load index model, and dividing the target region into high, medium and low pollution load areas; according to a preset mapping rule library, matching different ecological zone design schemes for different pollution load areas, wherein the scheme comprises an ecological zone width, a vegetation configuration structure and engineering structure parameters; and based on a hydrological and water quality model, simulating the efficiency of the design scheme and iteratively optimizing the parameters to generate final engineering drawings. The application realizes dynamic division of pollution load inflow grade areas according to terrain parameters, and matching of different ecological zone types, widths, vegetation structures and engineering parameters.

The utility model discloses a hydraulic oil one-way transmission mechanism, a steering gear and a fuel vehicle, and belongs to the technical field of hydraulic oil transmission mechanisms. The hydraulic oil one-way transmission mechanism comprises a shell and a movable diaphragm arranged in the shell, and the shell comprises a liquid inlet and a liquid outlet; a one-way transmission channel for hydraulic oil to be transmitted from the liquid inlet to the liquid outlet is jointly defined by the movable diaphragm and the shell, and when the hydraulic oil enters the one-way transmission channel from the liquid outlet, the movable diaphragm deforms under the pressure effect of the hydraulic oil. And therefore, the one-way transmission channel is blocked by abutting against the shell. According to the hydraulic oil one-way transmission mechanism, automation and precision of closing of the one-way transmission channel are achieved, normal transmission of hydraulic oil from the liquid inlet to the liquid outlet is met, backflow of the hydraulic oil can be effectively prevented, and the structural design of the hydraulic oil one-way transmission mechanism is optimized.

The utility model discloses a special three-way device for blocking prevention of an ash conveying pipeline of a coal economizer, which comprises a three-way body provided with a horizontal inlet, a horizontal outlet and an inclined outlet, a large-aperture filter screen is arranged at the horizontal outlet of the three-way body, and a flange of the inclined outlet of the three-way body is connected with a detachable blocking plate through a bolt. The blocking plate is used for sealing the inclined outlet; flanges are arranged at the inlet and the outlet of the tee body, and corresponding counter flanges are arranged at the flanges of the horizontal inlet and the horizontal outlet. According to the utility model, the large-aperture filter screen is arranged at the horizontal outlet of the tee joint body to intercept sundries conveyed along with fly ash, and the blockage can be conveniently and quickly cleaned through the design of the detachable blocking plate. In addition, an arc-shaped or spiral guide plate is adopted, so that the flowing path of the coal ash is optimized, the impact on the filter screen is reduced, and the service life of the filter screen is prolonged.

The invention relates to the technical field of sewage treatment, and discloses a sewage circulation treatment device for meat product processing, which comprises a treatment box body, a self-cleaning filtering mechanism, a driving motor, a waste treatment mechanism, a waste collection and compaction mechanism and a transmission mechanism, an arc-shaped filter sieve is arranged in the treatment box body, and the self-cleaning filter mechanism drives a cleaning scraper blade to scrape slag in real time through a rolling cleaning frame; a single driving motor synchronously drives a scraper maintenance brush to clean a scraper through a transmission mechanism formed by a belt pulley and a bevel gear, assists the scraper in guiding filter residues, and drives a pressing plug to compact waste through a reciprocating pressing driving assembly. The device integrates filtration, self-cleaning, filter residue transfer and compaction full processes, is simplified in structure and low in energy consumption, effectively avoids sieve pore blockage, realizes filter residue volume reduction, improves treatment efficiency and operation convenience, and is suitable for pretreatment of high-solid-content sewage in meat product processing.

The application discloses an intelligent control electric geotechnical barrier system and a construction and operation method thereof, characterized by comprising an electric geotechnical barrier device and an intelligent control device, wherein the electric geotechnical barrier device comprises a cathode row and an anode row arranged vertically and in parallel, the cathode row comprises at least two cathode electrode plates and a plurality of cathode conductive cores wrapped in the cathode electrode plates and distributed at equal intervals, and the gap between the two adjacent cathode electrode plates is filled with a permeable reaction wall; the cathode row comprises at least two anode electrode plates and a plurality of anode conductive cores wrapped in the anode electrode plates and distributed at equal intervals, and the gap between the two adjacent anode electrode plates is filled with an anode backfill soil; and the intelligent control device comprises a power module and a monitoring and control module, and the advantage is that the active interception, in-situ repair and intelligent control can be combined, and the efficient, durable and intelligent interception and repair of groundwater pollutants can be realized.