143results about How to "Increase fineness" patented technology

The invention is applicable to the field of display apparatus and provides a liquid crystal raster module, a two-dimensional / three-dimensional switchover type display apparatus and a driving method thereof; wherein, the liquid crystal raster module comprises two substrates, the electrodes on one of the two substrates are in chessboard type distribution, and the electrode areas and non-electrode areas are all alternatively arrayed in the horizontal direction and vertical direction. In the invention, 3D effect can be observed both from the horizontal direction and vertical direction when the raster is at work, the raster display state switchover is unnecessary, a combination of a segment terminal and a common terminal can be adopted, namely, the electrode lead control display apparatuses on the two substrates of the liquid crystal raster module, the driving mode is simpler, furthermore, the liquid crystal raster pixel size and the pixel interval are larger and the production process is mature, therefore, the cost is low, meanwhile the 3D image synthesis mode of the invention adopts interval dot pixel extraction, thus the subtleness of the image is high.

The invention relates to an amino acid facial cleanser and a preparation method thereof. The amino acid facial cleanser consists of the following components: sodium cocoyl glutamate, a mixture of potassium cocoyl glycinate, hydroxystearic acid and tocopherol, 1,3-butanediol, PEG400 (polyethylene glycol 400), sorbitol, methyl sodium lauroyl taurine, lauryl hydroxysultaine, potassium hydroxide, polyquaternium cationic surfactants, an emulsifier, a dispersant, sodium chloride, essence, a preservative and de-ionized water. The amino acid facial cleanser prepared by the invention is mild and non-irritant, good in skin-friendly and moisturizing properties, rich and thick in foam, good in skin cleanliness after being washed and good in stability, and the paste (the facial cleanser) appears to be pearly, delicate, soft and smooth and the paste has an optimum paste forming temperature.

The invention discloses a pixel array, a display and a method for presenting images on the display. The pixel array is constructed by overlapping a plurality of basic pixel units in a horizontal direction and a vertical direction; the basic pixel units comprise a first sub-pixel group and a second sub-pixel group; the first sub-pixel group consists of first sub-pixels, second sub-pixels and third sub-pixels; the centers of the first sub-pixels, the second sub-pixels and the third sub-pixels are aligned from top to bottom in sequence at first intervals in a vertical direction or aligned from left to right in sequence at the first intervals in a horizontal direction, and the long axis of each sub-pixel is positioned in a direction formed by rotating by 45 degrees in an anti-clockwise direction of the vertical direction; the second sub-pixel group consists of third sub-pixels, first sub-pixels and second sub-pixels; the centers of the third sub-pixels, the first sub-pixels and the second sub-pixels are aligned at the first intervals along the aligning direction of the first sub-pixel group; the long axis of each sub-pixel is in a direction formed by rotating by 45 degrees in a clockwise direction of the vertical direction.

The invention discloses casting molding sand which is prepared from the following raw materials in parts by weight: 250-270 parts of silica sand powder, 40-50 parts of coal ash, 9-12 parts of aluminum hydroxide, 40-45 parts of rice bran, 20-30 parts of iron-ore slag, 20-30 parts of calcium carbonate powder, 1-2 parts of polycarboxylic acid water reducing agent, 1-2 parts of polyacrylamide, 1-2 parts of tung oil, 45-50 parts of aluminum silicate, 30-40 parts of maize straw powder, 22-30 parts of bamboo carbon, 30-40 parts of clay, 14-18 parts of corn meal, 3-4 parts of silane coupling agent KH-550 and a proper amount of water. Due to adoption of coal ash, the fineness and smoothness degree of the molding sand is improved, the formation is easy, and the energy is saved; due to adoption of the straw powder, the corn meal and the like, the air permeability and the high temperature collapsibility are improved; as the stone powder is sintered and is combined with organic binding agents, the plasticity, the dispersity and the air permeability are improved. The casting molding sand is easy to form and make a core, the shrinkage cavity and shrinkage porosity of a cast piece is reduced by more than 91%, and the finished product rate of the cast piece is improved.

The invention discloses a painting device for the surface of a building wall, which comprises a vehicle body, the vehicle body is fixedly installed on the right side wall of the vehicle body, and the output shaft of the driving motor is fixedly installed with a stirring shaft extending into the paint bucket in a rotating manner. , the right end of the driven shaft is sleeved with a driven bevel gear that meshes with the driving bevel gear, the left end of the driven shaft is coaxially fixed with a runner, the left side wall of the runner is eccentrically hinged with a connecting rod, and the piston A discharge hose is connected between the sleeve and the brush plate, and a first one-way valve is installed on the discharge hose; a fixed pulley is arranged in the car body; the present invention drives the sponge plate to reciprocate up and down through the sleeve block together with the brush plate Movement, and then realize the up and down reciprocating movement of the brush on the wall, paint brushing is more uniform and efficient, the paint is injected into the brush plate intermittently, and there is no need to manually dip the paint, which improves the efficiency of wall painting, and the stirring shaft drives the stirring The leaves rotate and stir the paint to avoid the adhesion of the paint, improve the fineness of the paint, and improve the quality of painting.

The invention discloses a burley tobacco flavor enhancing preparation, which comprises the following ingredients in percentage by mass: 10 to 15 percent of carbohydrates, 1 to 1.5 percent of organic acid, 0.6 to 1.2 percent of neutral protein enzyme and the balance of water, wherein the enzyme activity of the neutral protein enzyme is 100 thousand U / g. The burley tobacco flavor enhancing preparation provided by the invention is favorable for improving the exquisite degree of smoke gas, the intensity is reduced, the impurity odor is covered, the drying degree is lightened, and the aftertaste is improved, wherein the organic acid is added, saccharides can be converted and are absorbed by tobacco leaves, the organic acid and amino compounds can take reaction to generate various kinds of flavor substances, and the effect of enhancing the cigarette flavor is realized; during the burning, the carbohydrates per se can be coked, and the graceful and comfortable coked sweet and fragrant effect is generated; and the protein content in the tobacco leaves can be degraded. The preparation has the advantages that the use is convenient, the preparation is only needed to be sprayed to the tobacco leaf surface, then, the operation is carried out according to normal burley tobacco maturity harvesting standards and a preparation method, the cost is low, the effect is good, and the practicability is high.

The invention relates to a method for preparing acetic acid esterified modified dextrin and crosslinking acetic acid esterified composite modified dextrin, which comprises two methods, i.e., a direct method and an indirect method. The direct method comprises the steps of directly taking malto dextrin or pyrolyzed dextrin as the raw material and carrying out chemical modification, i.e., acetic acid esterification or crosslinking acetic acid esterification; and the indirect method comprises the steps of taking starch as the raw material, carrying out the chemical modification, i.e., the acetic acid esterification or the crosslinking acetic acid esterification, to obtain corresponding starch derivatives firstly, and then dextrinizing after enzymolysis or pyrolysis to obtain a final product. The method for preparing the crosslinking acetic acid esterified composite modified dextrin further comprises two modification sequences, i.e., crosslinking is carried out before esterification, or the esterification is carried out before the crosslinking. The acetic ester or crosslinking acetic ester dextrin derivatives have the characteristics of good stability, high transparence, strong thickening performance, low hygroscopicity, low retrogradation, freeze-thaw stability, excellent emulsibility and the like.

The invention relates to the technical field of filter sticks and discloses an aromatized acetate fiber filter stick which comprises acetate fiber base materials and a piece of moulding paper which is used for wrapping the acetate fiber base materials, and the acetate fibers are compounded with aromatized solid particles. By compositing the aromatized solid particles with the acetate fibers in the filter stick, an suction resistance of the filter stick is appropriate, offensive odor and irritation of smoke can be effectively removed, so that the smell is improved; further to a certain extent, the smoke can be mingled with the spicy smell of the aromatized solid particles to improve and enrich the smell of the smoke, so that the aroma of a cigarette can be enriched, and simultaneously varied and rich tasting experience of a mouth can be achieved.

The present invention discloses a three-dimensional display device and a drive method thereof. The device comprises a display panel, and a light control component arranged on the light outlet side of the display panel. The display panel is provided with a plurality of first sub-pixel columns and a plurality of second sub-pixel columns, wherein the first sub-pixel columns and the second sub-pixel columns are alternately arranged along the row direction. The first sub-pixel columns are used for displaying a left-eye view. The second sub-pixel columns are used for displaying a right-eye view. Each first sub-pixel column and each second sub-pixel column contain sub-pixels of all colors. The light control component is provided with light-transmitting stripes and light-shading stripes, wherein the light-transmitting stripes and the light-shading stripes are in the same arrangement manner with each first sub-pixel column and each second sub-pixel column so as to realize the three-dimensional display. According to the technical scheme of the invention, each first sub-pixel column and each second sub-pixel column contain sub-pixels of all colors, wherein the first sub-pixel columns are used for displaying the left-eye view and the second sub-pixel columns are used for displaying the right-eye view. Therefore, the uniformity and the fineness degree of the left-eye view and the right-eye view are improved. Furthermore, the uniformity and the fineness degree of a three-dimensionally displayed stereoscopic image are improved.

The invention relates to a regenerated craft paper. The regenerated craft paper comprises a surface layer, a core layer and a bottom layer, wherein the regenerated craft paper is prepared from the following pulp in percentage by weight: 80-90% of national waste OCC pulp in China and 10-20% of wood pulp, wherein the raw material of the national waste OCC pulp in China is domestic OCC waste paper, and the domestic OCC waste paper comprises 70%-80% of national waste A-grade paper and 20%-30% of national waste BC-grade paper; the wood pulp comprises one or a mixture of more than one selected from unbleached softwood pulp, unbleached eucalyptus pulp and rolled wood pulp in any ratio; and the basis weight of the regenerated craft paper is 95-210 g / cm<2>. The invention also relates to a preparation method of the regenerated craft paper. According to the preparation method, American waste OCC and European waste OCC are not used, national waste OCC in China is used as a main raw material; and the craft paper with the basis weight of 95-210 g / cm<2> can be produced by optimizing a wood pulp ratio, and the craft paper is tough and stable in quality, so the problem of difficulty in production of the craft paper with the basis weight of 95-210 g / cm<2> and with the same quality by using the national waste OCC in China as a material after import waste paper is prohibited in China is overcome.

The invention provides a display device and a driving method thereof. The display device comprises a first display panel, a second display panel and a driving circuit. The first display panel comprises a plurality of first pixel units capable of displaying colors, and each first pixel unit comprises a plurality of sub-pixel units. The second display panel is arranged on the light emitting side ofthe first display panel and comprises a plurality of second pixel units. The distribution density of the second pixel units is greater than that of the sub-pixel units. Therefore, the second display panel is arranged on the light emitting side of the first display panel, when the first display panel carries out image display, gray-scale dimming can be carried out on the second display panel. Therefore, contrast of the display image of the first display panel is changed, and the contrast of the display image of the display device is improved. In addition, the second display panel with the higher resolution ratio is arranged on the light emitting side of the first display panel, so that the fine and smooth degree of image display can be effectively improved, and the resolution ratio of the display device is improved.

The invention discloses a method for improving the resolution ratio of POV scanning LED displayer. The method includes the steps that firstly, n LED lamp strips are distributed in a staggered mode; secondly, the LED displayer is scanned mechanically. The method has the advantages that the LED distribution method of the POV scanning displayer can increase the resolution ratio of the displayer under the same condition that LED lamp beads are packaged, gaps between images are reduced, and the brightness and fineness of the images are improved.

The invention discloses a light paper surface sizing method, belonging to the technical field of pulping and papermaking. The light paper surface sizing method comprises the steps of starch dissolution, starch pasting reaction, and amylase inactivation, dilution, cooling as well as batching for the starch. By improving a traditional oxidized starch surface sizing method, and adopting corn starch, starch amylase, liquid calcium and a water repellent agent to perform a surface sizing technology, the light paper surface sizing method disclosed by the invention has the advantages of not only improving whiteness, glossiness, surface fine and smooth degree and surface intensity of the light paper, but also reducing consumption of a sizing agent in a light paper production process, and having an important significance on improving quality of the product and lowering the production cost.

The invention provides a display device, a preparation method thereof and a method for converting a color gamut standard of the display device. The display device comprises a display panel, wherein the display panel comprises a display substrate and a plurality of pixel units, the pixel units are arranged on the first surface of the display substrate, each pixel unit comprises a plurality of sub-pixels, the sub-pixels comprise variable sub-pixels, and the variable sub-pixels are used for emitting light in at least one preset color according to the preset color gamut standard. Therefore, the color cast phenomenon of the display device can be improved by the light, emitted by the variable sub-pixels, in the preset color, then the displaying smoothness degree, color purity, the color gamut and various optical characteristics of images of the display device are improved, the display device can meet the requirements of different color gamut standards, and the situation that the displaying smoothness degree, the color purity, the color gamut and various optical characteristics of the images are reduced due to different color gamut standards is avoided.

The invention discloses a traditional Chinese medicinal composition for preventing and treating parasites of fish. The traditional Chinese medicinal composition comprises, by weight, 40-60 parts of artemisinin, 10-20 parts of garlic, 10-12 parts of soapberry fruits, 10-12 parts of eucalyptus robusta smith, 10-12 parts of reed rhizomes, 10-12 parts of cyrtomium fortune, 8-10 parts of pumpkin seeds, 8-10 parts of wormwood, 8-10 parts of cocklebur fruits, 6-8 parts of sticktight, 8-10 parts of pine needle meal, 8-10 parts of mulberry stem powder, 10-20 parts of molasses, 0.1-0.3 part of compound bacteria, 0.3-0.5 part of citric acid and 40-60 parts of water. The traditional Chinese medicinal composition has the advantages that multiple traditional Chinese medicinal herbs are selected, the citric acid is added for palatability adjustment, anti-stress ability and immunity of fish bodies are improved through compatible and synergistic effect, parasitic diseases of the fish under high-density cultivation conditions are effectively prevented, survival rate of the fish is increased, and production level and economic benefit are improved.

The invention discloses fish feed. The fish feed comprises, by weight, 80-100 parts of pasture, 30-40 parts of fruit waste, 20-30 parts of malt, 6-8 parts of cottonrose hibiscus leaves, 6-8 parts of knoxia root, 6-8 parts of albizia flower, 4-6 parts of centella, 4-6 parts of rhizoma phragmitis, 4-6 parts of fragrant bulbophyllum, 4-6 parts of pericarpium citri reticulatae viride, 4-6 parts of sticktight, 12-14 parts of pine needle meal, 12-14 parts of mulberry stem powder, 10-20 parts of fresh filter mud, 0.5-0.7 part of biological enzymes, 3-8 parts of molasses, 0.5-0.7 part of citric acid and 40-60 parts of water. The fish feed takes the pasture and the fruit waste as the main raw materials; meanwhile, diversified Chinese herbal medicines are added, and the molasses and the citric acid are supplemented for adjusting palatability; and through the synergistic effect of compatibility of medicines, the anti-stress capability and resistibility of fish organisms are improved, the phenomenon that fishes get illness in the condition of high-density feeding is effectively prevented, the survival rate of the fishes is improved, and the production level and economic benefits are increased.

The invention relates to the technical field of crushing or cutting combination, in particular to a grinder for tomato crushing. According to the scheme, high-pressure compressed gas in a gas supply box is pumped in high-pressure cavities of a first gas knife and a second gas knife to form a balanced sheet gas flow in the length directions of the first gas knife and the second gas knife correspondingly after a gas flow passes through a narrow, fine and thin gas outlet, and the generated sheet gas flows are utilized, so that cutting crushing of tomatoes is achieved. The sheet gas flow formed by the second gas knife directly acts on a sector plate on a conical groove after cutting off the side portions of the tomatoes, an grinding disc rotates accordingly, the tomatoes enter a lower grinding disc from a grinding passageway, and thus the thorough grinding crushing effect on the tomatoes is achieved through the grinding effects of the upper grinding disc and the lower grinding disc.

According to a processing method of a high-calcium minced fish product, subcritical water and acetic acid are used to jointly treat fish bones, high-pressure microjet is adopted to perform super-refinement on the fish bones, the refined fish bones and unfrozen minced fish are uniformly mixed and blended, glutamine transminase is added for a crosslinking reaction, and finally, the high-calcium minced fish product is produced through sectioned microwave heating. The subcritical water is used for treating the fish bones in combination with acetic acid, the fish bone softening speed can be reduced effectively, and dissolving out of calcium ions can be promoted; through high-pressure microjet treatment, fish bone particles can be greatly reduced, discomfort of the high-calcium minced fish product after the fish bones are added is reduced and the fineness of the product is increased; the super-refined fish bones and the minced fish can be fused to form an overall network structure through glutamine transaminase crosslinking and the uniformity of the high-calcium minced fish product is enhanced; microwave heating can make the high-calcium minced fish product quickly cross a gel degradation temperature zone, and the quality of the high-calcium minced fish product can be improved through high / low-power sectioned microwave heating.

The invention relates to the technical field of filter sticks and discloses a spice composite particle filter stick. The spice composite particle filter stick comprises a cellulose acetate fiber substrate and molding paper wrapped outside the cellulose acetate fiber substrate, and treated piquancy solid particles are compounded on cellulose acetate fibers. The piquancy solid particles are compounded in the cellulose acetate fibers of the filter sticks, suction resistance produced by the filter sticks is applicable, miscellaneous gas and irritation of smoke can be removed, and taste suction is improved. Cigarette smoke brings spice of the piquancy solid particles out to some extent, abundant and full degree of the smoke is improved, cigarette aroma is strengthened, and simultaneously abundant taste sense experience is produced in the oral cavity.

The invention discloses a control method, particularly discloses a control method for improving finished product tobacco leaf quality based on leaf position characteristics, and belongs to the technical field of tobacco cultivation technology. The control method for improving finished product tobacco leaf quality based on the leaf position characteristics controls the number of tobacco leaves to improve the finished product tobacco leaf quality in the growth process of tobacco. According to the control method, after the working procedure of topping and reserving 20 blades is executed, the finished product tobacco leaf quality is improved through the working procedure of removing part of blades at the leaf positions on the top and / or bottom again.

The invention provides feed for improving the meat quality of yellow-head catfish and a preparation method thereof. The feed is characterized by being prepared from the following ingredients in percentage by mass: 0.08 to 0.1 percent of choline chloride, 0.2 to 0.5 percent of lutein, 0.05 to 0.1 percent of astaxanthin, 2 to 3 percent of pine needle powder, 2 to 3 percent of monocalcium phosphate, 10 to 15 percent of bean pulp, 5 to 10 percent of peanut meal, 10 to 15 percent of chellocken meal, 15 to 20 percent of imported fish meal, 3 to 4 percent of fish oil, 25 to 30 percent of flour, 15 to 20 percent of miscellaneous meal, 0.1 to 0.3 percent of trace elements and 0.1 to 0.15 percent of vitamins. The trace elements are formed by mixing iron methionine, zinc methionine and manganese methionine; the vitamins are formed by mixing vitamin A, vitamin D, vitamin E, vitamin K, vitamin C and vitamin B.

The invention relates to a fish feed produced from cassava starch factory waste residues and orange wastes, and a preparation method thereof. The fish feed comprises, by weight, 60-80 parts of cassava starch factory waste residues, 30-40 parts of orange wastes, 20-30 parts of beer residues, 10-15 parts of bean dregs, 15-20 parts of rice bran, 8-10 parts of soybean meal, 6-8 parts of argy wormwood, 6-8 parts of honeysuckle flower, 2-4 parts of Sowthistleleaf Tasselflower, 2-4 parts of isatis root, 2-4 parts of Oroxylum indicum, 8-10 parts of pine needle powder, 22-24 parts of waste sugarcane molasses, 1.6-1.8 parts of composite bacteria and 0.3-0.5 parts of citric acid. The feed is obtained through combined fermentation of multiple raw materials, the citric acid is used to adjust the palatability, and the argy wormwood, honeysuckle flower, Sowthistleleaf Tasselflower, isatis root and Oroxylum indicum are added and have synergism, so the stress resistance and the resistibility of fish bodies are improved, the disease incidence of fish under a high-density breeding condition is improved, the survival rate of the fish is improved, and the production level and the economic benefit are increased.

The invention relates to a fish feed prepared by adopting arabian jasmine flower residues as raw materials, and a preparation method thereof. The fish feed is prepared from the following raw materials in parts by weight: 80 to 100 parts of the arabian jasmine flower residues, 30 to 40 parts of forage grasses, 20 to 30 parts of beer residues, 10 to 15 parts of corn flours, 15 to 20 parts of corn grits, 8 to 10 parts of peanut brans, 6 to 8 parts of coffee senna seed, 6 to 8 parts of common andrographis herb, 2 to 4 parts of fragrant bulbophyllum, 2 to 4 parts of herba houttuyniae, 2 to 4 parts of herb of spanishneedles, 8 to 10 parts of pine needle meal, 10 to 20 parts of sugar cane molasses, 0.8 to 1.2 parts of compound bacteria, 0.5 to 0.7 part of citric acid, and 40 to 60 parts of water. The feed adopts the arabian jasmine flower residues as the raw materials, the arabian jasmine flower residues are fermented, the citric acid is assisted for adjusting the palatability, and meanwhile, Chinese herbal medicines are added, so that the anti-stress capability and the immunity of fishes are improved through compatibility and synergistic effect, the probability that the fishes getting sick under a high-density raising condition can be reduced, the survival rate of the fishes is improved, and the production level and the economic benefit are improved.

The invention discloses a building paint spraying device with a purification function, and belongs to the technical field of building paint. The device comprises a stirring box, universal wheels, a first motor and a small air compressor; supporting columns are fixedly connected to four corners of the bottom of the stirring box; four sets of the universal wheels are arranged; the four sets of universal wheels are arranged at the bottoms of the four sets of supporting columns correspondingly. The bottom of the stirring box is fixedly connected with a discharge pipe communicated with an inner cavity of the stirring box; a first control valve is mounted on the discharge pipe; a stirring shaft assembly is horizontally, transversely and rotationally connected to the lower middle portion of the inner cavity of the stirring box, and the first motor is fixedly arranged on the left side wall of the stirring box. Through mechanical stirring and air injection stirring of the stirring shaft assembly, the stirring efficiency of paint can be improved, and the stirring fineness of the paint can also be improved; and through an air purification assembly, indoor air can be effectively purified, andthe situation that the health of a worker is affected due to the fact that the worker inhales a large amount of dust and harmful gas is avoided.

The invention discloses macadimia nut snowflake cookies and a making method thereof and belongs to the technical field of food processing. The snowflake cookies comprise the following raw materials in parts by weight: 290-310 parts of marshmallow, 200-220 parts of cakes, 55-70 parts of butter, 150-170 parts of milk powder, 6-8 parts of flavoring powder, 120-150 parts of mixed nut kernels and 30-50 parts of preserved vegetables and fruits, wherein the flavoring powder is matcha powder or chocolate powder. The invention further provides a method for making the macadimia nut snowflake cookies. The macadimia nut snowflake cookies made by using the method are nutrient and healthy, diverse in taste and beautiful in overall appearance.

The invention discloses a donkey-hide gelatin blood-nourishing granule raw material mixing process and a mixing device thereof. The mixing device comprises a hollow mixing tank and a plurality of supporting legs installed at the lower end of the mixing tank, an inner tank is arranged in an inner cavity of the mixing tank, a feeding hopper is inserted in one side of the top wall of the inner tank in a penetrating mode, and a mixing mechanism is arranged in the inner cavity of the inner tank and penetrates through the top wall of the inner tank; a discharging mechanism connected with the mixing mechanism is also arranged in the inner cavity of the inner tank; the mixing mechanism comprises stirring wheels which are symmetrically and rotatably mounted in an inner cavity of the inner tank, a plurality of stirring claws are arranged on the stirring wheels at equal intervals, the center shafts of the stirring wheels extend towards the close sides and are rotatably connected with a rotating box in a penetrating mode, and the center shafts of the stirring wheels all penetrate through the side wall of the rotating box and are fixedly sleeved with driven bevel gears. The problems that in the prior art, the mixing efficiency is low, pasty raw materials cannot be mixed, medicinal raw materials are likely to splash out, mixing dead angles are likely to be generated, and the mixing quality is poor are solved. The device is especially suitable for fully mixing the donkey-hide gelatin blood-nourishing granules.

The invention discloses a civil-engineering soil crushing device and a working method thereof. The civil-engineering soil crushing device comprises a bottom plate, a screening box, a transfer box anda box body, wherein the bottom of the screening box, the bottom of the transfer box and the bottom of the box body are fixedly connected to the top of the bottom plate; a slide rod is fixedly connected on the top between the two sides of the inner wall of the screening box; slide blocks are connected at the two sides of the slide rod in a sliding mode; a screening frame is fixedly connected between the tops of the two slide blocks; the left side of the screening box is fixedly connected with a cross rod; and one end of the cross rod penetrates through the screening box and extends to the outerpart of the screening box. The invention relates to the technical field of civil-engineering. According to the civil-engineering soil crushing device and the working method disclosed by the invention, soil can be filtered before soil is crushed, so that stones in the soil can be filtered, and therefore, damages on a blade are avoided; before the soil is crushed, the stones in the soil can be filtered to avoid damages on the blade; and an uniform-speed loading way is adopted, so that soil can be completely crushed at uniform speed.

The invention discloses a multi-material mixing device for building construction. The device comprises a shell, and material guiding boxes are movably connected to the top face of the shell in a left-right symmetry mode. The bottom faces of the material guiding boxes are not closed, the bottom faces of the material guiding boxes penetrate through the shell, feeding pipes are fixedly connected to the top faces of the material guiding boxes, and the feeding pipes communicate with the material guiding boxes. The top face of each feeding pipe is arranged in a funnel shape, annular plates are movably connected to inner cavities of the feeding pipes, scraping plates are fixedly connected to the outer side walls of the annular plates, and long holes are formed in the side walls of the sides, away from the center of the shell, of the feeding pipes. Most construction material mixing devices in the prior art lack material filtering mechanisms in the using process, so that the mixed materials are not fine enough and cannot meet the partial construction requirements easily, and most of the existing construction material mixing devices for construction can only stir materials in the same direction and can easily cause non-uniform material mixing.

The invention discloses a paint spraying device capable of recycling paint. The paint spraying device comprises a first box body, wherein a cavity with an opening in the right side is formed in the first box body; a longitudinally-symmetrical connecting rod is fixed to the left side of the first box body; and a connecting shaft is fixed to the front side of the vertical section of the connecting rod. The paint spraying device is a device capable of collecting and recycling floating paint. The device can be used for uniformly spraying paint on a vertical wall surface and a horizontal wall surface; meanwhile, a locking mechanism is arranged, so that the stability of the device under two conditions can be guaranteed; the device can increase the paint spraying area and the paint spraying fineness; meanwhile, the size of a paint spraying opening can be changed, so that different requirements can be met; and the device can reduce paint floating in the air in order to lower waste.