11results about How to "Improve interception" patented technology

The utility model discloses a kind of anti-slip mould transfer equipment, specifically related to mould transfer equipment technical field, including flatbed transfer trolley, automobile mould is placed in flatbed transfer trolley top, the both sides of flatbed transfer trolley are equipped with limit post, the both ends of limit post are rotatably connected with support rod group;The support rod group includes support rod box, lifting assembly for driving column box along support rod box to do linear movement is equipped in the support rod box, for driving limit post and automobile mould contact to limit automobile mould movement.The utility model is limited to the automobile mould placed in flatbed transfer trolley top by utilizing column box from top, to prevent the phenomenon that it slips in the process of transfer, after use, limit post and support rod group can be rotatably stored in the four sides of flatbed transfer trolley, also cannot occupy the space of flatbed transfer trolley top, ensure that the top of flatbed transfer trolley is not blocked, avoid to increase the operation difficulty for the hoisting of automobile mould.

A centrifugal fan with an air filtering device comprises a machine shell (8), an air outlet pipe (2) of the machine shell is a rectangular pipe body, the air filtering device is installed in the air outlet pipe, the air filtering device is composed of a filter screen (5) and a frame body (6), the filter screen is connected to the frame body, the frame body is of a bent structure, and the filter screen is bent along with the frame body. The filter screen is characterized in that the filter screen is of a curved surface structure after being bent along with the frame body. The centrifugal fan has the beneficial effects that the surface area of the filter screen is larger than the sectional area of the air outlet pipe, so that the interception amount of particulate matters in air can be greatly increased, the cleaning period of the filter screen is prolonged, and the shutdown frequency of the centrifugal fan is reduced; the air filtering device is convenient to assemble and disassemble, and the filter screen is convenient to clean.

The utility model discloses a kind of filter structures of measuring bacterial wet weight, including container a and container b, the container b is nested in container a, the top of the container b is provided with a platform, and the bottom end of container b is provided with support net, the container b is located above the position of support net and is provided with filter membrane, the top of the container a is provided with top cover, the gasket layer is nested in the top cover and is provided with spacer layer. In the utility model, the container b and container a of telescopic can be stable storage to the bacterial body to be filtered, facilitate subsequent filtrate work, cooperate the setting of top cover, gasket layer, platform, annular groove structure, can effectively guarantee the compactness of whole container storage;The upper layer membrane of double-layer membrane is large aperture membrane, part of bacterial body can be pre-filtered, the lower layer membrane is small aperture membrane, can intercept the remaining whole bacterial body, double-layer membrane has higher bacterial body interception flow than single-layer membrane, effectively improve filtrate efficiency, ensure the accuracy of subsequent weighing result.

The invention discloses a micro-electrolysis biological filter system and method for rapidly purifying surface water. The micro-electrolysis biological filter system comprises a porous filter plate, a modified porous reticular filler, a light filter material, an upper filter plate, an aeration device and a backwashing device. According to the micro-electrolysis biological filter, through the combination mode of the modified iron-based porous net-shaped filler and the light filter material, the starting time of a system can be effectively shortened, the removal efficiency and the treatment capacity of pollutants are improved, the occupied area and the construction cost of the system are reduced, and it can be guaranteed that effluent stably reaches the surface IV water or above. The COD removal rate of the biological filter is 60%-85%, the BOD removal rate of the biological filter is 75%-85%, the NH4 < + >-N removal rate of the biological filter is 70%-85%, the TP removal rate of the biological filter is 40%-70%, and the turbidity removal rate of the biological filter is increased by 80%-90%.

The present invention provides an ecological slope protection construction method based on a bacteria-algae symbiotic system, which relates to the technical field of runoff sewage treatment, and includes the following steps: mixing biochar with ceramsite, then reacting for 8 to 20 hours under the conditions of 120 to 160°C and 4 to 6MPa, adding a water retaining agent after cooling, obtaining a microbial carrier material, and then applying it to the surface layer of the river slope protection soil; dividing the river slope protection into tree areas, shrub areas, herbaceous plant areas and emergent plant areas, and planting trees, shrubs, herbaceous plants and emergent plants respectively; spraying the bacteria-algae mixed liquid on the surface of the river slope protection soil to form a biological soil crust. The present invention utilizes the porous structure of biochar to improve soil bulk density and pore structure, and is matched with ceramsite and a water retaining agent to improve soil permeability, moisture content and water holding capacity, promote the growth of bacteria and algae, thereby improving the purification effect, and using vegetation to alleviate the erosion of the river bank by water flow, solving the problem that the flood control measures on the river bank destroy the integrity of the river.

The utility model discloses a planting matrix structure for ecological restoration of a mud flat wetland, which belongs to the technical field of planting of the mud flat wetland, and comprises a sharp block, a fixing plate, a soft film, a planting ring, a convex block, a long rod and a round hole, under the action of a sharp block, a fixing plate is pressed to stretch into soil from the side face of a shore, then a bearing structure is dragged and pressed on the upper surface of the shore, a soft film on a frame is attached to the side face of the shore, the multiple planting rings are distributed in an array mode, meanwhile, long rods are matched with round holes, or protruding blocks are inserted into the soil, and the fixing stability of the planting rings is improved; then, the plants are sown or transplanted into the planting rings, so that the planting rings play an auxiliary fixing role; compared with the prior art, the vertical growth of the plants on the mudflat wetland is facilitated, so that the ornamental value of the plants and the interception of suspended particulate matters are improved, and the device has great significance on ecological restoration work of the mudflat wetland.

The utility model discloses a hanging net for side slope ecological restoration soil dressing spray seeding, and relates to the technical field of side slope ecological restoration. Comprising a hanging net body which is used for covering a side slope; the hanging net anchoring pressing plate longitudinally covers the hanging net body in a pressing manner so as to cover the hanging net body and fix the hanging net body on the side slope; the first anchor nails are arranged on the hanging net anchoring pressing plate so as to fix the hanging net anchoring pressing plate on the side slope; the water diversion structure is arranged on the hanging net anchoring pressing plate and used for guiding accumulated water at the slope top position to the slope toe position from the position above the hanging net body. According to the device, the hanging net anchoring pressing plate is arranged on the hanging net body and combined with the anchor nails, the fixing reliability of the hanging net body is improved, meanwhile, the water diversion structure is arranged according to the area occupied by the hanging net anchoring pressing plate, water can be effectively drained to prevent soil from being scoured and taken away by heavy water, meanwhile, soil loss is effectively intercepted in combination with the soil dressing intercepting structure, and the soil dressing effect is improved. And the effect of soil dressing spray-seeding in ecological restoration of the side slope is better promoted.

The invention relates to the field of air filtering equipment, in particular to a mine ventilation dust filtering device which comprises a filtering box, the filtering box comprises a box body, a water tank is installed on one side of the top of the box body, a dust blocking plate is installed on one side in the box body, and a filtering bin is arranged on the other side in the box body; a side edge box is arranged on the side, close to the filter bin, of the dust blocking plate, an activated carbon block is arranged in the side edge box, evenly-distributed through openings vertically penetrate through the middle of the dust blocking plate, fine fluff is arranged on the end face of the side, away from the side edge box, of the dust blocking plate, and a plurality of connecting pipes are fixedly connected to the side, away from the dust blocking plate, of the side edge box; a water filtering box set is fixedly connected to the end, away from the side edge box, of the connecting pipe, a plurality of water filtering boxes are arranged, and water supplementing pipes are arranged on one sides of the water filtering boxes, dust in air can be intercepted and filtered in multiple aspects through multiple procedures, and therefore the ventilation air quality can be greatly improved.

The invention relates to a man-machine verification method and device, electronic equipment and a storage medium, and the method comprises the steps: responding to a man-machine verification request of a user, obtaining a proof-of-work verification code, and displaying the proof-of-work verification code to the user, the proof-of-work verification code being determined based on the request frequency of the man-machine verification request received by a system; in response to a verification operation of the user on the workload proof verification code, verifying user information submitted by the user; in response to verification passing of the user information, obtaining a background image and a geometric verification code, and displaying the background image and the geometric verification code to the user; and in response to the verification operation of the user on the geometric verification code, confirming that the man-machine verification is passed. According to the method, automatic attacks can be effectively resisted, and good user experience can be provided.

This invention relates to a video review method, system, and device based on non-verbal voice and coordination verification. The method includes acquiring the audio track of the video to be reviewed; detecting non-verbal voice events in the audio track and acquiring the event type and occurrence time of the non-verbal voice events; marking the corresponding occurrence time according to the event type to generate a risk identifier; extracting dialogue text within the vicinity of the occurrence time based on the risk identifier, and semantically verifying the risk identifier based on the dialogue text, generating an initial risk quantification value based on the verification result; when the initial risk quantification value is within a preset trigger range, reviewing the video footage within the occurrence time to correct the initial risk quantification value, thereby obtaining a target risk quantification value; and performing differentiated review of the video to be reviewed based on the target risk quantification value. Through the above methods, the accuracy of the review results can be improved.

The invention relates to the technical field of artificial intelligence, in particular to an anomaly detection method and device, electronic equipment and a storage medium, and is used for improving the detection accuracy of anomaly input. The method comprises the steps of obtaining a to-be-detected input text; based on the text features of the input text, determining a classification result of the input text, and when the classification result represents that the input text is suspicious input, extracting suspicious fragments in the input text; and determining an anomaly detection result of the input text based on a target similarity between the suspicious fragment and each abnormal word contained in the blacklist. Therefore, the generalization of the blacklist can be improved, so that the interception of abnormal input of deformation and modification words is improved, the false drop rate is reduced, an input object is more efficiently and effectively prevented from using an abnormal input text, and a text generation image model is induced to generate harmful image content.