39results about How to "Reduce the difficulty of filtering" patented technology

Preparation of L-pectin sugar is carried out by: processing corn bran with glycase, degrading the corn bran said above with thin acid of 1%-5%, regulating pH3.5-5.5 and collecting supernatant, desalting and removing impurities the supernatant with ion exchanging resin, inoculating yeast and fermenting, removing hetero-monosaccharides, crystallizing the fermented liquid to obtain final product. Itis chemical process combined with biologic one, with simple procedure and high yield and good quality.

The invention discloses a production and preparation method for solid poly-aluminum chloride. The production and preparation method comprises the following steps of: (1), heating up 1.32-1.4 tons of hydrochloric acid with concentration of 20%-30% to 90 DEG C to 110 DEG C, adding 0.55-0.6 ton of bauxite for reacting for 1-2 hours under a constant temperature; (2), adding 0.3-0.4 ton of calcium aluminate powder for polymerizing to obtain a liquid poly-aluminum chloride solution; (3), adding fluorite which is 4-5 times silica gel by weight, and reacting for 15-30 minutes under the constant temperature; (4), filtering the reacted aluminum chloride solution by a filter press; and (5), drying the filtered aluminum chloride solution at a high temperature to obtain the solid poly-aluminum chloride. According to the preparation method disclosed by the invention, silicon fluoride with low viscosity is generated by the fluorite and the silica gel with high viscosity in the silica gel reaction solution in a polymerized aluminum chloride solution in a production process, so that the filtering difficulty is greatly reduced and the filter cloth can be recycled after being cleaned, thereby shortening the production time, reducing the production cost, improving the solid content of the liquid aluminum chloride and improving the market competitiveness of the products.

The present application relates to a data processing method and a storage medium for detecting lane lines. The method includes: obtaining the pixel coordinates of at least one lane line sample from the image according to a first preset rule, wherein the first preset rule is used to obtain the pixel coordinates in the y direction of the image; After the coordinates are converted into points in the coordinate system of the unmanned vehicle, multiple sampling point data are obtained; the multiple sampling point data are filtered according to the second preset rule to obtain the target sampling point set, and the second preset rule uses Filtering the non-target sampling points on the lane line under the coordinate system of the unmanned vehicle; performing curve fitting processing on the set of target sampling points, if the radius of curvature corresponding to the curve obtained by the fitting processing is greater than the preset threshold, Then output the lane line, otherwise give up the output. The data processing method and storage medium for detecting lane lines provided by the present application can provide high-quality lane line data for an automatic driving system.

The invention discloses a water pollution treatment device capable of automatically replacing a filter screen. The device comprises a box body, and an inlet hopper groove with an upward opening is formed in the top wall of the box body; an upper separation pipe with an upward opening is arranged on the top wall of the box body and is arranged on the right side of the inlet hopper groove; a precipitation separation cavity is formed between the inlet hopper groove and the bottom wall of the upper side separation pipe; a lower-layer discharge groove with a downward opening is formed in the bottomwall of the precipitation separation cavity; sealing plates are symmetrically arranged on the top wall and the bottom wall of the lower-layer discharge groove up and down; a hydraulic cylinder chutewith a rightward opening is formed in the left end wall of the precipitation separation cavity; a standing separation mechanism is arranged in the hydraulic cylinder chute; the right end wall of the precipitation separation cavity is fixedly connected with a middle-layer discharge pipe; a turntable cavity is formed in the bottom wall of the right end of the middle-layer discharge pipe, a disc is arranged in the turntable cavity, the disc is fixedly connected with a turntable shaft, and the turntable shaft is rotatably connected with the box body. Therefore, the filtering difficulty is greatlyreduced, filtered substances are separately collected, the water pollution treatment efficiency is relatively high, and the continuous improvement of the device treatment capacity is ensured.

The present invention relates to a filter device, more particularly to a waste lubricating oil coupling filter device. Including recovery box, pretreatment box, booster, booster rod, pretreatment roller, scraper, sinking pipe, knocker, treatment pipe, motor seat, filter frame, filter screen II and device base. The waste lubricating oil is layered to treat the lubricating oil with different impurity content separately to increase the filtration efficiency and filtration quality; the relatively clean waste lubricating oil is pushed into the treatment pipe by the push plate for further treatment, which reduces the difficulty of filtering the filter I and prevents clogging. At the same time, the service life of the filter screen I is increased; the waste lubricating oil containing a large amount of impurities and metal particles is peeled off by a cylindrical electromagnet that can be lowered and rotated in combination with a scraper, and the preliminary treatment lubricating oil is obtained by the recovery box and the filter screen II for processing. Further processing is beneficial to increase filtration efficiency and filtration quality.

An intelligent dispensing device based on the results of diagnosis and treatment of traditional Chinese medicine, including a housing, the housing is provided with a holder, the holder is connected to the outlet pipe, the outlet pipe is provided with a flow meter and a first electric valve, the holder is provided with a storage tank, and the storage tank is connected to the The feeding pipe is provided with a second electric valve and a photoelectric sensor, a weighing device is installed in the casing, a heating device is installed on the weighing device, a medicine bowl is arranged on the heating device, a blower is arranged in the casing, and a blower is installed in the casing. There is a vacuum cleaner, which also includes a controller located outside the casing. This device is suitable for automatic cooking of Chinese medicinal materials at home or in places such as hospitals and clinics. This device removes the mixed powder dust in the medicinal materials, improves the cleanliness of the medicinal materials, and can reduce the difficulty of filtering the medicinal soup after boiling. The medicinal materials are kept in a cool and ventilated place, which can prolong their storage life. The medicinal materials in the storage tank can also be boiled for many times. Compared with the large-scale medicinal preparation and grasping system, this device can automatically complete the medicinal material measurement, powder removal, water addition, Cooking and other work.

The invention discloses a method for demagging ground phosphorite and preparing MgHPO4.3H2O. The invention is characterized in that ground phosphorite is subjected to demagging pretreatment by using a composite demagging agent mainly comprising phosphoric acid as well as a demagging activating agent and a demagging stabilizer, thereby removing magnesium impurities from the ground phosphorite and enhancing the grade of the ground phosphorite; after demagging, the solid phase obtained by liquid-solid separation is the high-grade concentrate powder which can be used as a production raw material for phosphorus chemical industry; and a chemical coprecipitation-oriented crystallization process is utilized to recycle magnesium in the demagging waste liquor, thereby preparing the MgHPO4.3H2O product. After the original medium / low-grade ground phosphorite is treated by the method disclosed by the invention, the mass percent of P2O5 is enhanced by 0.1-5%, the total mass content of P2O5 is increased by 0.1-3%, the condition of severe phosphorus loss in the existing pretreatment method is changed, the removal rate of the magnesium oxide mass content is up to 75-98%, and the purity of the prepared MgHPO4.3H2O is up to 90-98%.

The invention discloses a waste solid garbage treatment system, which includes a crushing device and a permeate treatment device. When the garbage is crushed by the crushing device, the permeate is separated, and is sent to the UASB reactor of the permeate treatment device by a conveying pump for crushing. The device includes a crushing shell, the crushing shell has a built-in active crushing roller driven by a driving motor, the active motor is fixed on the side wall of the crushing shell, and the two sides of the rotating shaft of the driven crushing roller matched with the active crushing roller are sleeved on the Among the shaft sleeves, each shaft sleeve is fixedly connected with the output shaft of the avoidance pneumatic cylinder; the bottom wall of the crushing shell is fixedly connected with a lifting pneumatic cylinder, and the output shaft of the lifting pneumatic cylinder is fixedly connected with a moving plate, and the moving plate is provided with at least one penetration hole.

The invention discloses a viscose filtering resistance detection method, which includes the following steps of firstly, adding 2-3L of viscose into a cylinder, closing the cylinder, leading air into a compressed air inlet and applying constant pressure, opening a valve of a viscose tube, feeding the viscose through a filter screen while timing, and measuring viscose flow P1 after three minutes; secondly, retiming and measuring viscose flow P2 after six minutes; and finally calculating the viscose filtering resistance Kw according to the formula:{(2-P2 / P1) / (P1+P2)}X100000X0.6. The detection results can reflect internal performance of viscose indirectly and have fine reproduction property. The viscose filtering resistance detection method is high in efficiency and accuracy.

The invention relates to a rainwater treatment system and treatment method for a sponge city, comprising a placement frame, a material cutting and anti-blocking device, and a water collection and filtration device. The sliding mode is connected with the unloading anti-blocking device; the invention solves the problem of the sewer opening being blocked by fallen leaves on the ground and some urban garbage caused by urban greening by cleaning up the leaves and other garbage accumulated by rainwater at the sewer opening to the unloading. Thereby causing problems such as road surface water; the present invention separates the garbage from the sewage, so that the garbage can be collected better, and at the same time, it also reduces the difficulty of filtering the sewage in the sewer, thereby reducing the frequency of manual work in the sewer.

The invention discloses a preparation method of aramid fiber 1414 fiber composite material, which belongs to the technical field of artificial fiber and composite material. The present invention uses poly-p-phenylene terephthalamide and terephthaloyl chloride as raw materials, and through polymerization, spinning and post-treatment, the temperature, viscosity, time, content, spinning speed, tension and other condition parameters in the production process are adjusted. The strict control can effectively ensure the stable production process based on aramid 1414 fiber composite materials, and at the same time, improve the quality of the target composite materials to meet market demand.