39 results about "Vertical filter" patented technology

The utility model belongs to the technical field of vertical filter presses, and particularly discloses a spray cleaning device for a vertical filter press. The spray cleaning device mainly comprises a guide rail, a driving mechanism, a base, a motor mounting seat, a washing spray gun and the like, the guide rail is arranged in the horizontal direction, the base is connected with the guide rail through the driving mechanism, the driving mechanism is used for driving the base to move in the extending direction of the guide rail, and a first rotating motor and a second rotating motor are arranged at the bottom of the base; the spraying angle of the washing spray gun is adjusted. According to the spray cleaning device disclosed by the utility model, the washing spray gun is hung at the bottom of the base, and the driving mechanism provides power to drive the base to transversely move along the guide rail, so that the filter press is cleaned, and meanwhile, the first rotating motor and the second rotating motor are additionally arranged; and the flushing angle of the flushing spray gun can be adjusted, and the spraying and cleaning effect is effectively improved.

The utility model discloses a vertical filtering device for chemical production, and relates to the technical field of general physical or chemical methods or devices. A vertical filtering device for chemical production comprises a vertical filtering tank, a limiting device is arranged on the vertical filtering tank, the limiting device comprises a movable plate, four fixing frames and four mounting bases, and the outer wall of the other end of a fixing bolt in the limiting device is made to be disengaged from the interior of a fixing bolt groove by screwing the fixing bolt to rotate; then, the fixed frame is turned over by taking the rotating column as the center, so that the outer wall of one end is separated from the interior of the fixed frame groove, and after the movable plate is not limited, the filter element can be taken out from the interior of the vertical filter tank while the movable plate is taken down from the vertical filter tank, so that the filter element is simple and quick to disassemble, and the working efficiency is improved. The situation that a worker needs to open the vertical filtering tank with the help of a special tool and then disassemble the filter element is avoided, and the workload of the worker is effectively reduced.

The utility model relates to the technical field of microbiological devices, and discloses a tubular vertical cell filtering device which comprises a filtering barrel, four sliding grooves are formed in the inner wall of the filtering barrel, a bottom plate is slidably connected to the sides, close to each other, of the inner walls of the four sliding grooves, and a filter body is fixedly connected to the top of the bottom plate. The bottom of the outer wall of the filter barrel is connected with the front side and the rear side of the bottom plate through limiting assemblies through the front side and the rear side so as to limit the bottom plate, two water pipes are fixedly connected to the left side and the right side of the filter barrel, and sealing plates are rotatably connected to the inner walls of the water pipes. According to the utility model, materials are injected from the left top water pipe, filtered by the filter body and discharged from the right bottom water pipe, and when the filter body needs to be cleaned, the two adjusting cranks are rotated in opposite directions, and water is injected from the left bottom water pipe and output from the right top water pipe to backwash the filter body.

The utility model discloses a low-emission silencer of an air compressor, which belongs to the technical field of air compressors, and comprises a waste gas inlet pipe, a vertical filter tank is arranged at the bottom of the waste gas inlet pipe, a transverse connecting pipe is arranged at one end of the vertical filter tank, an emission silencing component is arranged at one end of the transverse connecting pipe, and the exhaust silencing component is arranged at the other end of the transverse connecting pipe. The discharging noise reduction assembly is composed of a first transverse discharging pipe, a filtering assembly and a second transverse discharging pipe, the filtering assembly is arranged at one end of the first transverse discharging pipe, dust and particulate matter can be effectively filtered through a stainless steel funnel-shaped filtering net, discharging pollution is reduced, and through the design of a vertical scraping plate and a detachable circular material receiving pipe, the discharging noise reduction effect is good. The air compressor is more convenient to clean and maintain, the maintenance cost is reduced, the noise of the air compressor can be remarkably reduced through the design of the first sound absorption layer, the second sound absorption layer and the circular silencing pipe, broadband noise, especially low-frequency noise, can be effectively absorbed, and the silencing effect is improved.

This application relates to a method for encoding raw video frames, comprising: presampled adaptive offset vertical filtering using a first PSAO parameter combination and presampled adaptive offset horizontal filtering using a second PSAO parameter combination, wherein the first PSAO parameter combination and the second PSAO parameter combination are intended to be applied to the video frame data, wherein the incremental cost (ΔJ) is increased by... i,j Minimize the incremental cost (ΔJ) to jointly select the first and second PSAO parameter combinations. i,j The incremental distortion is defined as a linear combination of the incremental distortion and the incremental rate calculated for a pair of first candidate PSAO parameter combinations and second candidate PSAO parameter combinations. The incremental distortion is equal to the difference between the first distortion calculated by considering the presampled adaptive offset vertical filter and the presampled adaptive offset horizontal filter and the second distortion calculated without applying the presampled adaptive offset vertical filter and the presampled adaptive offset horizontal filter.

The utility model discloses a centrifugal pump with a filtering structure, which relates to the technical field of centrifugal pumps and comprises a centrifugal pump body, a main pipeline communicated and matched with a water inlet end of the centrifugal pump body is arranged outside the centrifugal pump body, an outer box is fixedly connected to the bottom of the main pipeline, and an inlet groove and an outlet groove are respectively arranged at two ends of the bottom of the main pipeline. The inlet groove is far away from the centrifugal pump body, the inlet groove, an inner cavity of the outer box and the outlet groove form a flowing groove, and a transverse filter screen is installed in the outlet groove. A vertical filter screen is installed in the main pipeline, the bottom end of the vertical filter screen corresponds to the end, close to the centrifugal pump body, of the inlet groove, a shaft rod is rotationally arranged on the vertical filter screen, and a melt-spinning belt corresponding to the inlet groove is fixedly connected to the shaft rod. According to the centrifugal pump with the filtering structure, by arranging the structures such as the outer box, the inlet groove and the vertical filter screen, particle impurities are synchronously filtered and collected under pushing of water flow, and the use efficiency of the centrifugal pump is improved.

The utility model discloses a vertical filter which comprises a cylinder body, a filter basket and a sealing cover, the filter basket is arranged in the cylinder body, the sealing cover is detachably connected to an upper opening of the cylinder body, the vertical filter is characterized in that the sealing cover comprises a connecting cover and a gland, the gland is concentrically and rotatably arranged on the upper side of the connecting cover, and the connecting cover is detachably connected with the gland. A flange is arranged at the upper end of the barrel, a positioning notch is formed in the flange in an inwards-concave mode, a positioning protruding block is arranged on the portion, corresponding to the positioning notch, of the connecting cover, a plurality of arc-shaped protruding parts which are gradually increased are arranged on the lower side of the flange at intervals along the circumference, and a plurality of connecting arms are arranged on the gland at intervals along the circumference. A transverse shaft is arranged on one side of the connecting arm and located below the turned-over edge, the transverse shaft rotates along with the gland to abut against the arc-shaped protruding portion so that the gland can be tightly pressed on the connecting cover downwards, and a limiting component capable of driving the transverse shaft to abut against the arc-shaped protruding portion is arranged on the barrel.

The utility model relates to the technical field of dust filtration, and discloses a vertical filter which comprises a filter cartridge, a first connecting port and a discharge port are respectively mounted on the filter cartridge, an ultrasonic filter screen frame is mounted in the filter cartridge and located between the first connecting port and the discharge port, and the first connecting port is connected with the discharge port. The ultrasonic filter screen frame is further provided with a screen used for filtering gas, the ultrasonic filter screen frame is further provided with a pipeline extending out of the filter cartridge, and the outer end of the pipeline is provided with an ultrasonic transducer used for vibrating the ultrasonic filter screen frame. According to the utility model, the ultrasonic transducer is arranged on the ultrasonic filter screen frame, and the ultrasonic filter screen frame can be driven to vibrate through the ultrasonic transducer, so that the ultrasonic filter screen frame can drive the filter screen to vibrate at low frequency, a large amount of dust can fall off under the condition that the filter screen is vibrated, and the phenomenon that the filter screen is blocked is reduced; therefore, the stability of the filter is improved.

One or more processors of a computing device may receive image data obtained via an image sensor of a camera. The one or more processors may apply one or more horizontal filters to the image data to generate horizontally filtered image data and may apply one or more vertical filters to the image data to generate vertically filtered image data. The one or more processors may generate a first accumulation matrix for the horizontally filtered image data and may generate a second accumulation matrix for the vertically filtered image data. The one or more processors may determine autofocus statistics based on the first accumulation matrix and the second accumulation matrix and may output information to adjust one or more lenses of the camera based on the autofocus statistics.

The feeding mechanism for the vertical filter comprises a feeding hopper arranged on one side of the top of the filter, the lower end of the feeding hopper is connected with an inverted-L-shaped feeding pipe, the free end of the feeding pipe penetrates through the filter and extends into the filter, the inner side of the top of the feeding hopper is connected with a mounting groove in the circumferential direction, and the mounting groove is communicated with the inverted-L-shaped feeding pipe. A mounting groove is formed in the feeding hopper, an annular liquid spraying pipe is arranged in the mounting groove, a plurality of liquid spraying heads are arranged on the annular liquid spraying pipe at intervals, a connecting pipe connected with the annular liquid spraying pipe is arranged on the outer side wall of the feeding hopper, the connecting pipe is connected with external spraying equipment, and a material output assembly is arranged in the horizontal part of the feeding pipe; the mechanism is reasonable in structural design, and blockage in the feeding pipeline and residual substances in the pipeline can be effectively avoided.

The utility model provides a vertical filtering device which comprises a supporting frame and a filtering cylinder arranged on the supporting frame, an interlayer filtering net frame is concentrically arranged in the filtering cylinder, filtering cloth is arranged in the interlayer filtering net frame, a pressing ring is horizontally arranged on the top of the interlayer filtering net frame, and the periphery of the pressing ring is tightly attached to the inner wall of the filtering cylinder. A pressing mechanism capable of extruding the interior of the interlayer filter screen frame is arranged at the top of the filter cartridge, a feeding hopper is arranged on one side of the top of the filter cartridge, the discharging end of the feeding hopper is located above the interlayer filter screen frame, a residue discharging valve is arranged at the bottom end of the filter cartridge, and one side of the lower portion of the filter cartridge is communicated with a liquid discharging pipe; the device is simple in structural design, filtering parts are convenient to replace, the filtering efficiency can be improved, the filtering precision can be guaranteed, and deslagging is convenient.

A grid (1) and a cylinder (4) for a cylinder assembly of a vertical filter press, such as a tower press, are disclosed. The grid (1) is provided with a topography pattern (3) that engages a corresponding inverted topography pattern (8) on the filtrate cylinder (4). The topography patterns (3, 8) direct the flow of filtrate towards the filtrate outlet (7) and reduce the formation of vortices and turbulence of the filtrate, thereby increasing the flow rate of the filtrate through the cylinder. At the same time, the topography patterns (3, 8) improve the secure attachment of the grid (1) on the cylinder (4), thereby allowing an increase in the travel speed of the filter medium during its advancement. As a result, the cycle time of the filtration process can be reduced, and therefore, the overall capacity of the associated filter press is increased. A filtrate cylinder assembly and a vertical filter press are also disclosed.

The invention discloses a digital twinning-based vertical filter press cloud platform system, which comprises a sensing layer, a network layer, a digital twinning layer and an application layer, and is characterized in that the sensing layer is used for collecting physical parameters of a filter press and carrying out local control; the network layer is used for realizing wireless transmission and communication of data; the digital twin layer is used for constructing a high-precision virtual model of the filter press and realizing multi-physical field simulation and real-time data driving; and the application layer is used for providing digital twinborn visualization, remote control, fault early warning and data analysis functions. By constructing the high-precision virtual model of the physical entity of the filter press, real-time mirroring of the equipment operation state, intelligent optimization of process parameters, early warning of fault risks and digital upgrading of multi-equipment collaborative management are achieved, the production efficiency and the equipment reliability are improved, and the operation and maintenance cost is reduced.

The utility model relates to multi-stage filtering equipment for alkane production, which comprises a vertical filtering tank and is technically characterized in that an air inlet vertical pipe communicated with an air inlet is arranged in the center of the vertical filtering tank, the lower end of the air inlet vertical pipe extends to the bottom of the vertical filtering tank, and a rotatable sleeve is arranged on the outer side of the air inlet vertical pipe. A first-stage filtering assembly, a second-stage filtering assembly and a third-stage filtering assembly are arranged between the rotatable sleeve and the vertical filtering tank, a first flow guide plate is arranged at the position, between the first-stage filtering assembly and the second-stage filtering assembly, of the vertical filtering tank, and a second flow guide plate is arranged at the position, between the second-stage filtering assembly and the third-stage filtering assembly, of the vertical filtering tank; filter screen rings of the first-stage filter assembly, the second-stage filter assembly and the third-stage filter assembly are fixedly connected with the outer wall of the rotatable sleeve, and a radial cleaning brush body tightly connected with the lower surfaces of the filter screen rings is fixed on the inner wall of the vertical filter tank. The equipment improves the filtering efficiency on one hand, and enhances the filtering effect on the other hand.

The utility model discloses a vertical type cleaning agent filtering mechanism which comprises a rotating wheel, a liquid collecting tank, a hanging basket and a filter screen, the rotating wheel is rotatably and vertically suspended above the liquid collecting tank, rotating shafts extending in the axial direction of the rotating wheel are arranged on the front face of the rotating wheel in an annular array mode, the hanging basket is suspended in front of the rotating shafts, and the filter screen is arranged on the hanging basket. A guide sleeve arranged on the rotating shaft in a sleeving mode is arranged on the upper portion of the back face of the hanging basket, the filter screen is arranged on the inner wall of the hanging basket, a first support is arranged on the front face of the liquid collecting tank, and a liquid supply pipe extending to the position above the hanging basket path is arranged on the first support. According to the vertical cleaning agent filtering mechanism disclosed by the utility model, the filter screen in the hanging basket is used for filtering, when the filter screen is blocked after more and more impurities exist in the filter screen, the adjacent hanging basket is switched to the position below the liquid supply pipe, and the filter screen which is replaced or cleaned in the hanging basket is used for continuously filtering the cleaning agent, so that the filtering production is quickly recovered.

The vortex vertical type pump front filter comprises a vertically-arranged filter cylinder, the filter cylinder comprises vertically-symmetrical cylinder bodies and a filter screen arranged between the cylinder bodies in a covering mode, a cavity inner cover with the upper end open is arranged on the lower portion in the filter cylinder, and the lower end of the inner cover is fixedly connected with the cylinder body on the lower side to form a non-open end. A rotatable impeller is arranged in the open end of the inner cover and can drive the inner cover to rotate, a water outlet pipe is fixedly inserted in the center of the cylinder on the lower side, the upper end of the water outlet pipe is closed and extends into the inner cover, water inlet pipes are symmetrically distributed between the water outlet pipe and the inner cover, and the water inlet pipes are communicated with the water outlet pipe; a shaft is inserted in the center of the upper cylinder; the lower end of the shaft is connected with the closed end of the water outlet pipe.

1. The name of the design product: vertical filter pressing dewatering integrated machine. 2. The use of the design product: for municipal sludge deep dewatering. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

A grid and a vat for a vat assembly of a vertical filter press such as a tower press is disclosed. The grid is provided with a topographical pattern engaging with a corresponding, inverse topographical pattern on the filtrate vat. The topographical patterns guide the filtrate flow towards a filtrate outlet and reduces the formation of vortices and turbulent flow of the filtrate, hence increasing the filtrate flow rate through the vat. Simultaneous, the topographical patterns improve secure attachment of the grid onto the vat, thereby allowing increased travel speed of the filter medium during advancement thereof. As a result, the cycle time of a filtration process may be reduced, and consequently, the overall capacity of the associated filter press is increased. A filtrate vat assembly and a vertical filter are also disclosed.

One or more processors of a computing device may receive image data obtained via an image sensor of a camera. The one or more processors may apply one or more horizontal filters to the image data to generate horizontally filtered image data and may apply one or more vertical filters to the image data to generate vertically filtered image data. The one or more processors may generate a first accumulation matrix for the horizontally filtered image data and may generate a second accumulation matrix for the vertically filtered image data. The one or more processors may determine autofocus statistics based on the first accumulation matrix and the second accumulation matrix and may output information to adjust one or more lenses of the camera based on the autofocus statistics.

Air filtration device 1 with filter bags 5 comprising: - an upper body 2 from which the air filtered by the device 1 is discharged; - a sedimentation chamber 3 disposed below said upper body 2, and equipped with waste collection means at its lower part; - a vertical filter cartridge 4 comprising a peripheral casing 40 and filter bags 5 extending between said sedimentation chamber 3 and the upper body 2, and attached in the filter cartridge 4 to a lower support structure 6 and to an upper support structure 7; - means for energizing all the filter bags 5 at a predetermined average voltage. Method for mounting and tensioning filter bags 5 in such a device. Corresponding filter bag 5. Installation comprising such a device 1. Drawing: Fig 1

The application discloses a vertical filter press four-time countercurrent washing device and method, relates to the technical field of filter press, and comprises a vertical filter press, a hydraulic pump, a hydraulic station, a air-drying valve, a washing valve, a first pressure transmitter, a feeding valve, a back feeding valve, a feeding pump, a slurry tank, a second pressure transmitter, a cleaning valve, a extrusion valve, a pressure relief valve, a cleaning extrusion water pump, a cleaning extrusion water tank, a first liquid level transmitter, a first water supplement valve, an exhaust valve, a gas-liquid separation tank, a mother liquor valve, a mother liquor tank, a first washing backwater valve and a washing liquid collecting tank. When the filter cake is washed, the extrusion process can be inserted between the washing processes, and each process can be realized by setting corresponding parameters in the touch screen interface, so that the use is more flexible and convenient. The four-time countercurrent washing function can effectively control the water consumption, save resources and reduce the cost.

The vertical filter comprises a shell and a filter element, the filter element and the shell form a water inlet cavity and a water outlet cavity, a water inlet and a positioning groove are formed in the bottom of the shell, a flow stopping channel communicated with the water outlet cavity is formed in the top of the shell, and a flow stopping ball capable of moving up and down to open and close a flow stopping opening is arranged in the flow stopping channel. The positioning groove matched with the upper end of the barreled water in an inserted mode and the water inlet communicated with the water inlet cavity are formed in the bottom face of the shell, the flow stopping channel communicated with the water outlet cavity is formed in the top of the shell, the flow stopping ball is arranged in the flow stopping channel, and the flow stopping ball floats upwards to open the flow stopping opening when the water feeding mechanism feeds water. When the water feeding mechanism stops feeding water, the vertical filter is sunk to close the flow stopping opening, so that the vertical filter is vertically assembled on the barreled water, water feeding is achieved through the flow stopping ball which floats when the water feeding mechanism stops feeding water and sinks when the water feeding mechanism stops feeding water, meanwhile, water is prevented from flowing back when the water feeding mechanism stops feeding water, the next water feeding time is shortened, and the water feeding efficiency is improved. The water feeding speed is increased.

The invention discloses a vertical filter press for preparing aluminum oxide and a use method of the vertical filter press, and belongs to the technical field of vertical filter presses. The filter press comprises a base, a mounting frame, a first hydraulic cylinder, a pressing plate, a machine base, a plurality of layers of upper clamping plates, a plurality of layers of lower clamping plates, filter cloth, a cleaning tank, a supporting mechanism and a driving mechanism, the supporting mechanism drives the movable frame and the cross rod to move through the motor, the upper clamping plate and the lower clamping plate can be temporarily supported, rapid opening and closing of the ends of the clamping plates are achieved through an inserting rod and connecting rod structure, and the filter cloth is convenient to replace. The driving mechanism drives the filter cloth to move through clamping of the upper pressing roller and the lower pressing roller, and is integrated with an adjustable and automatic locking tensioning roller mechanism, so that convenient adjustment of the tensioning degree of the filter cloth and stable operation are realized. The problems that filter cloth of a traditional vertical filter press is tedious to replace, tensioning adjustment is inconvenient, and cleaning is not thorough are solved, and the filter press has the advantages of being safe to operate, convenient and fast to maintain and high in filtering efficiency.

The utility model relates to water treatment equipment technical field, concretely relates to a double -tower cyclone type nanometer silicon filter device, including horizontal double -deck tower body, cyclone water distribution unit, nanometer silicon fine filter filter medium and pulse gas -water backwash device, cyclone water distribution unit sets up in the import end of horizontal double -deck tower body. The scheme changes the traditional vertical filter to horizontal structure, and is equipped with double -deck structure, can be used in series also can be used in parallel, changes the equipment height to reduce 40% after horizontal structure, equipment floor area reduces 80%, filter material more height reduces 50%, can realize higher filtration flow rate (40 50m / h), lower backwash intensity, backwash water volume reduces 80%; And change the traditional multi -media filter material (quartz sand, anthracite filter material etc.) to nanometer silicon fine filter filter medium, the filtration precision is higher, and the filter material is not easy to be cemented, and the filter material loss is less in operation, and the backwash period is longer, and the filter material does not need to be replaced, and can be supplemented regularly.

The utility model relates to the technical field of vertical filters, in particular to a vertical filter convenient to disassemble and assemble, which comprises a barrel, a limit ring arranged on the outer wall of the barrel close to the top, a sealing cover arranged above the limit ring, a filter cartridge arranged above a clamping ring, filter cotton arranged in the middle of the inside of the filter cartridge, and a through groove arranged at the bottom of the filter cartridge. A sleeve is arranged on the inner wall, close to the top, of the cylinder body, a round hole is formed in one side of the sleeve, clamping blocks are symmetrically arranged on the outer wall of the sleeve, and a fixing ring is arranged on the outer wall, close to the bottom, of the cylinder body in a sleeving mode; according to the vertical filter convenient to disassemble and assemble, a sleeve is matched with a clamping groove in an inserted mode through a clamping block, the sleeve is limited and matched with the top position of a filter cartridge, the shaking influence after the filter cartridge is installed is reduced, a sealing cover is matched with an inserting groove in a limiting ring in an inserted mode through an inserting block, and the sleeve is matched with a first groove, so that manual taking-out and replacement and internal cleaning matching are convenient; and residues filtered in the cylinder body are preliminarily cleaned and discharged in time under the cooperation of the residue discharge pipe with the valve.

The application discloses a kind of compact embedded industrial computer, the vertical filter screen is fixed in the two parts of main body front and back, the horizontal support shaft is fixed in the middle of two ends of main body left and right, and the front and back of two parts of left and right ends are respectively threadedly connected with limiting bolt, two support shafts are respectively rotationally connected with horizontal and present 'L' type mounting seat, mounting seat is equipped with the through hole for inserting bolt, each limiting bolt is respectively penetrated in mounting seat, and is inserted with mounting seat clearance.This application can avoid supporting socket from supporting seat by inserting limiting protrusion and limiting hole, and the silicon strip of ratchet shape can prevent data plug from supporting seat while facilitating data connector insertion, so as to ensure the stability of insertion, the characteristics that limiting shaft can rotate in limiting groove and can slide forward and backward, whether upper ratchet and lower ratchet are engaged by controlling incomplete ratchet gear, so as to adjust the up-down angle and front-back position of supporting frame compared with supporting seat.

Packed bed gel material cleaning vessel, has an internal processing volume, to contain the gel, delimited by a circumferential, axially extending, upright vessel wall at both axial ends sealed by a top vessel wall and an opposite bottom vessel wall, the internal processing volume is above 10 litre; sensors of the vessel monitor the filling level of the vessel. A bottom filter completely covers the vessel bottom wall A circumferential, axially extending, cylindrical vertical filter is provided a short radial distance, e.g. between 1 and 20 millimetre internally from, parallel and concentrically with, the upright vessel wall, providing a torus like flow gap concentrical with the upright vessel wall.

The utility model relates to an automatic cleaning vertical filter which comprises a tank body, a filter element assembly, a water inlet pipe, a water outlet pipe and a blow-off pipe, a plurality of adjustable supporting legs are uniformly distributed on the side wall of the lower end of the tank body along the circumference, each adjustable supporting leg comprises a supporting steel frame and an adjustable steel frame detachably mounted on the supporting steel frame, and the adjustable steel frames are connected with the filter element assembly. A plurality of first open grooves are formed in the outer side of the supporting steel frame in the longitudinal direction at intervals, and a plurality of second open grooves are formed in the adjustable steel frame in the longitudinal direction at intervals. During operation, the adjustable steel frame is moved and adjusted up and down along the supporting steel frame, when the adjustable steel frame is adjusted to a proper position, a bolt penetrates through a second open groove and a first open groove, then nuts are screwed into the two ends of the bolt, and the supporting steel frame and the adjustable steel frame are fixed through the bolt and the nuts, so that the supporting height of the tank body is adjusted; and a certain adjustable steel frame can be independently adjusted, so that the adjustable steel frame can be mounted on the ground with different heights, and the practicability is higher.

The utility model belongs to the technical field of vertical filter presses, and particularly discloses a fault detection device for a vertical filter press. The fault detection device mainly comprises a vertical frame, a mounting seat, a lifting mechanism, a visual camera and other structural components. Wherein the vertical frame is vertically arranged on one side of the vertical filter press, and other structural components are all arranged on the vertical frame. A mounting seat is arranged on the vertical frame, and a visual camera is arranged in the mounting seat; according to the fault detection device, faults occurring in the operation process of the vertical filter press are detected by adopting the visual camera, the problems such as filter cloth deviation or incapability of rotating a roller and the like are found in time, and meanwhile, the detection height of the visual camera is adjusted by matching with the lifting mechanism to drive the mounting seat to move up and down in the extension direction of the vertical frame; the detection angle of the visual camera is adjusted by arranging the rotating motor on one side of the visual camera, and detection of working state information of different positions of the vertical filter press is achieved.

A video coding system is provided that generates merge mode with motion vector difference (MMVD) candidates and reduces resource usage. The system receives data to be encoded or decoded as a current block of a current picture of a video. The system identifies a plurality of MMVD candidates with different offset positions based on merge candidates of the current block. The system generates reference samples of the identified MMVD candidates. The system reconstructs the current block or encodes the current block into a bitstream using the generated reference samples. The system processes MMVD candidates in different groups: a first group of vertical MMVD candidates and a second group of horizontal MMVD candidates. The system generates reference samples of the identified MMVD candidates by applying a vertical filter to source reference samples of the horizontal MMVD candidates and then applying a horizontal filter to an output of the vertical filter.