15results about How to "Avoid filter effects" patented technology

The utility model discloses an aggregate crushing and mixing integrated equipment relates to aggregate processing technical field, including support, the outer top surface fixed of support has the mixing box, the outer top surface fixed and the through connection of mixing box has the crushing box, the inside of support is provided with screening subassembly, the inside symmetrical rotation of crushing box installs and has rotary axle no.

The invention relates to the technical field of waste gas treatment, and discloses a high-temperature waste gas treatment device with a heat recovery function, the high-temperature waste gas treatment device comprises a rack and a treatment bin fixedly connected to the left wall of an inner cavity of the rack, the inner wall of the treatment bin is rotatably connected with a toothed ring screen, and the bottom of the treatment bin is fixedly connected with an exhaust pipe; a filter cartridge is inserted into the exhaust pipe in a threaded mode, an L-shaped air inlet pipe with the right end abutting against the toothed ring screen in a sliding and sealing mode is installed in the middle of the treatment bin, and a pressure sensor is installed on the upper wall of an inner cavity of the right end of the air inlet pipe. Waste gas is filtered firstly through the toothed ring screen, and when the toothed ring screen is blocked, the adjusting assembly automatically drives the flow guide plate and the toothed ring screen to deflect and cooperates with vibration cleaning of the scraper blade and back flushing of the toothed ring screen, so that online efficient cleaning of an air inlet filtering part is achieved; the problem of poor filtering and heat exchange effects caused by the fact that a traditional waste gas treatment device firstly exchanges heat and then sprays and filters is solved.

This utility model relates to a hemp feeding mechanism for a hemp combing machine, belonging to the field of hemp yarn processing. It includes a carrying body; a conveying mechanism located inside the carrying body; a guiding component located on the upper surface of the carrying body; and a cleaning mechanism located on the right side of the carrying body, comprising a mounting box located on the right side of the carrying body; a negative pressure module connected to the lower surface of the mounting box; and two pipes connected to the front and rear surfaces of the mounting box, with the other ends of both pipes penetrating the carrying body. Through the cleaning mechanism, this utility model utilizes the cooperation between the negative pressure module and the conical sleeve to automatically extract hemp fibers accumulated in the roller groove, preventing short fibers from converging and reducing the roller's gripping force, ensuring the roller is always in a highly efficient working state, reducing conveying failures caused by fiber accumulation, and improving the stability and reliability of the hemp feeding mechanism.

The utility model discloses a flue gas filtering assembly for waste incineration, relates to the field of waste incineration treatment, and aims to solve the problems that in the prior art, flue gas is filtered only through a filter screen, but the amount of particulate matters and dust in the flue gas generated by incineration is large, blockage is caused in a short time when the filter screen is adopted for filtering, and the waste is wasted. Therefore, the smoke discharge is influenced. An L-shaped smoke inlet pipe is fixedly connected to the lower end of the filtering barrel, the upper end of the L-shaped smoke inlet pipe penetrates through the lower end face of the filtering barrel and extends to the lower end in the filtering barrel, an annular pressure water pipe is fixedly arranged in the middle of the interior of the filtering barrel, and a plurality of atomizing nozzles are fixedly connected to the inner side of the annular pressure water pipe in an annular array mode; a filter screen is fixedly arranged at the upper end of the middle of the interior of the filter barrel, a limiting pipe is fixedly arranged in the middle of the filter screen, a rotating shaft is rotationally connected into the limiting pipe, and the lower end of the rotating shaft extends out of the lower end face of the filter screen and is fixedly connected with a plurality of scraping rods.

The filtering device comprises a hollow filtering tank, a conical stainless steel filtering net is installed in an inner cavity of the filtering tank, the middle of the stainless steel filtering net is distributed in a downward protruding mode, and the inner cavity of the filtering tank is divided into a water inlet cavity located on the lower portion and a water outlet cavity located on the upper portion through the stainless steel filtering net; a water inlet pipe communicated with the water inlet cavity is arranged on the side wall of the lower portion of the filtering tank and provided with a water inlet valve, and a water outlet pipe communicated with the water outlet cavity is arranged at the top of the filtering tank and provided with a water outlet valve. According to the utility model, the conical stainless steel filter screen is arranged, and the water body filtering contact area can be increased by utilizing the shape that the middle part of the conical stainless steel filter screen protrudes downwards, so that the impurity filtering effect is greatly improved; and meanwhile, the water flow is filtered from bottom to top, so that the filtered and intercepted impurities can automatically settle down by virtue of self weight, and the impurities are prevented from blocking meshes to influence filtering, thereby improving the filtering efficiency.

The invention relates to the technical field of air conditioning equipment, in particular to a fresh air purification combined type energy-saving air conditioning all-in-one machine which comprises an outer shell, an air inlet module comprises a mixed air inlet pipeline, a fresh air inlet pipeline and a circulating air inlet pipeline, and the opposite faces of the fresh air inlet pipeline and the circulating air inlet pipeline are each provided with an insertion opening; a partition plate is slidably mounted between the fresh air inlet pipeline and the circulating air inlet pipeline, a rotating shaft is rotatably mounted at one end of the mixed air inlet pipeline, an electric control air cylinder is mounted at the upper end of the partition plate, two resistance rods are mounted on the side face of the partition plate through an L-shaped sliding rail and a sliding block, and the rotating shaft is fixedly sleeved with a resistance wheel. According to the air conditioning equipment, the partition plate is driven to move between the fresh air inlet pipeline and the circulating air inlet pipeline, flexible switching of three air inlet modes of fresh air inlet, circulating air inlet and mixed air inlet is achieved, the proper air inlet mode can be selected according to different use scenes and requirements, and the applicability of the air conditioning equipment is improved.

This invention relates to the field of electronic digital data processing technology and discloses a risk identification and early warning method and system for border inspection terminal operation areas. The method includes: acquiring the perception tags, spatiotemporal trajectories, and business execution stub data of controlled targets; extracting category identification identifiers and kinematic parameters; calculating feature distribution parameters using a kinematic constraint model and comparing them with a preset logical threshold; determining misidentified tags; triggering logical correction operations; resetting the category identification identifiers using task instructions to generate a smooth sequence; reconstructing the topology of the logical judgment area based on the operation's spatiotemporal density parameters; calculating displacement trend deviation values; and outputting early warning data. This invention eliminates the non-steady-state semantic jitter of the perception front end through causal arbitration in the digital logical space, ensuring that risk judgment is supported by physical conservation laws, achieving precise alignment between the perception space and the physical operation scenario, and improving the penetrating identification capability of abnormal behavior.

The utility model belongs to the field of filling devices, and particularly relates to a filling device for printing ink preparation, which comprises a base, the outer side of the base is slidably connected with a placing plate, an adjusting mechanism is arranged in the base, the upper end of the base is provided with a PLC (programmable logic controller) control box, and the upper end of the base is fixedly connected with a fixing frame. A filling pipe is fixedly connected to the interior of the fixing frame, a pump pipe is fixedly connected to the upper end of the filling pipe, an inclined plane strip is fixedly connected to the interior of the pump pipe, and a waterproof proximity switch is fixedly connected to the interior of the inclined plane strip. The waterproof proximity switch, the movable rod, the floating ball and other structures are additionally arranged in the filling pipe, the filling pipe is inserted into a packaging container in the using process, when the filling pipe is nearly full, the floating ball drives the movable rod to move up and down through buoyancy, and when the movable rod makes contact with the waterproof proximity switch, filling can be stopped; therefore, the situation of filling filtration or insufficient filling can be effectively avoided.

The utility model discloses a water supply and drainage filtering device for a water conservancy project, and relates to the technical field of water conservancy project drainage. Comprising a water inlet pipe and a water outlet pipe, and the filtering structure is arranged between the water inlet pipe and the water outlet pipe and is used for filtering drained water of the water conservancy project. Through the arrangement of the filter structure, the adsorption plate, the filter plate and the microporous filter screen are arranged in the filter cavity, so that water supply and drainage can be filtered, and the adsorption plate, the filter plate and the microporous filter screen can be regularly cleaned through the arranged cleaning head, so that a filter medium is prevented from being blocked by impurities, the filter efficiency is kept, and smooth water flow is ensured; accumulation of dirt and sediments can be reduced, the risk of aging and damage of equipment is reduced, the service life of the equipment is prolonged, the cleaning head can avoid water flow interruption or incomplete filtration caused by blockage of the filter plate or the filter screen, and long-term stable work of the water supply and drainage system is ensured.

The present application belongs to the technical field of wet-process phosphoric acid and resource comprehensive utilization, and discloses a method for preparing phosphoric acid and calcium chloride by decomposing medium and low grade phosphate rock with by-product hydrochloric acid. (1) The phosphate rock is mixed with a hydrochloric acid solution, sodium chloride is added, and after reaction, solid-liquid separation is performed to obtain an acidolysis solution; (2) the acidolysis solution is separated and treated to obtain a phosphoric acid solution and a calcium chloride solution; (3) the calcium chloride solution is neutralized and purified by using a stepwise pH value control method; (4) the purified calcium chloride solution is concentrated, sodium chloride is precipitated and separated due to solubility difference, and is returned to step (1) for recycling, and the concentration, crystallization and drying are continuously performed to obtain a calcium chloride product. The present application effectively solves the problems of difficult solid-liquid separation and low value of by-product calcium chloride caused by the generation of silica gel in the acidolysis process of medium and low grade phosphate rock, the decomposition rate of the phosphate rock is more than 98%, high quality phosphoric acid is obtained, the full utilization of by-products is realized, and the production cost and energy consumption are significantly reduced.

The invention provides a data set automatic processing method and device, equipment, a medium and a product, and the method comprises the steps: obtaining sample data in a to-be-processed data set, inputting the sample data into a data filtering pipeline, and obtaining screened sample data outputted by the data filtering pipeline, each data filtering module is used for determining the mass fraction of the sample data on each mass dimension, and when the mass fraction of the sample data on the mass dimension corresponding to the data filtering module is higher than a threshold value of the data filtering module, the sample data is filtered by the data filtering module and enters the next data filtering module; optimizing the data filtering module on the basis of the filtering condition of the data filtering module on the sample data; and generating a processing data set based on the quality scores of the screened sample data in each quality dimension. The stability of the data set processing result can be improved.

This invention relates to a blue light blocking optical film for display screens. Several sampling points are selected on the display screen. Based on measured data from each sampling point, the spectral radiant power corresponding to each sampling point is obtained. Based on the spectral radiant power of each sampling point, the blue light radiation energy corresponding to each sampling point is calculated according to the spectral radiant power and a blue light hazard weighting coefficient. The blue light radiation energy corresponding to each sampling point is compared with a corresponding safety threshold. Based on the comparison result, a blue light radiation filtering coefficient is assigned to the sampling point. Surface fitting is performed based on the data of each sampling point to generate a blue light radiation filtering coefficient distribution function that the blue light blocking optical film should have. Based on this, the blue light blocking optical film is prepared. This blue light blocking optical film is more in line with actual conditions and can be used to adhere to the outermost LCD screen, OLED screen, MiniLED screen, or Micro LED screen.

The invention discloses a method for preparing horse-derived immune globulin F (ab ') 2 by a sodium caprylate precipitation process, and belongs to the technical field of biological pharmacy and plasma immune globulin separation and purification. According to the method, horse source immune plasma is used as a raw material, enzymatic hydrolysate containing immune globulin F (ab ') 2 is obtained through protease enzymolysis, sodium caprylate is added to serve as a selective precipitator, non-target impure protein is selectively precipitated, and target protein F (ab') 2 is kept in the solution. After a clear feed liquid is obtained through solid-liquid separation, membrane separation or chromatographic purification treatment can be further carried out according to needs, and a horse-derived immunoglobulin F (ab ') 2 product is obtained. The precipitate formed by the invention is suitable for industrial filtration operation, solves the problems of low recovery rate of the existing ammonium sulfate precipitate and difficulty in filtration of the free octanoic acid precipitate, improves the feasibility and stability of the process, and improves the product recovery rate.

This utility model relates to the technical field of bacterial culture preparation devices, and in particular to a bacterial culture preparation device, comprising: a first filter having a first filter membrane, the first filter input end being connected to a first supply pump; a second filter having a second filter membrane, the second filter input end being connected to the first filter output end; and a third filter having a third filter membrane, the second filter input end being connected to the second filter output end; wherein the diameter of the pores on the first filter membrane is larger than the diameter of the pores on the second filter membrane, and the diameter of the pores on the second filter membrane is larger than the diameter of the pores on the third filter membrane. This utility model is beneficial for removing impurities from bacterial culture samples and enriching the bacterial culture.

The utility model discloses a kind of formation tank scale removal devices, including formation tank, tank liquid, liquid suction pump, liquid suction pipeline, conical container, large gate valve, liquid accumulation tank, glass observation port, small gate valve, liquid discharge port, liquid return pipeline.Tank liquid is contained in formation tank, and tank liquid in the bottom of formation tank is sucked by liquid suction pump through liquid suction pipeline, and liquid suction pipeline is connected in lower portion of conical container with 30 °, so that tank liquid rotates in container, and clarified tank liquid is returned to formation tank through liquid return pipeline, scale deposition is in lower portion, and enter liquid accumulation tank through large gate valve, and after being observed through glass observation port, it is discharged by small gate valve of liquid discharge port.The device can effectively remove tank liquid scale, solve electrode foil crushing and piercing problem.