37results about How to "Achieve water absorption" patented technology

The invention provides an oily matte canvas for hand painting. A preparation method of the canvas comprises the following steps: (1) preparing a gel resin layer material; (2) preparing a base coat material; (3) preparing a top coat material; (4) firstly carrying out calendering treatment on a grey cloth, then spraying the gel resin layer and then carrying out drying with a drying oven; (5) spraying the gel resin layer with the base coat, then carrying out drying by adopting the drying oven and then carrying out heating calendering; (6) spraying the base coat with the top coat, then carrying out drying by adopting the drying oven and then carrying out calendering treatment. The prepared canvas has high brightness, strong oil absorbency, saturability and good sense of sagging, is used for decoration, adapts to different pigments and is used for painting artists to select favorite luster according to different background requirements.

The invention discloses a secondary water supply device, and belongs to the technical field of water supply devices. The secondary water supply device comprises a water storage type pressure stabilizing tank, wherein a backflow main pipe is clamped and connected onto the side end surface of the water storage type pressure stabilizing tank; and a pair of anode water wheels and cathode water wheels is arranged inside the backflow main pipe. Through the conversion and utilization of wind energy and municipal water supply pipe network water power, the comprehensive purification of drinking water can be favorably realized; the long-time and uninterrupted drinking water circulation purification effect can also be achieved; through micro electrolysis sterilization, the microbe propagation process is blocked; through the circulation reciprocating action of a descaling brush on the cathode water wheels, the contact area of the cathode water wheels and the drinking water is effectively ensured; the micro electrolysis sterilization and mite removal effect of the drinking water is improved; the multi-stage automatic pressurization effect of the drinking water can also be realized by using an anode shaft, a cathode shaft, a movable vortex disc and a static vortex disc; and the occurrence of problems of insufficient water pressure and the like during the subsequent solid-liquid separation of the drinking water can be avoided.

The invention discloses an automated culture device and relates to the technical field of automated equipment. A placement frame is installed on the inner side wall of a box, a culture box is arranged at the upper end of the placement frame, limiting balls are installed on the outer side wall of the culture box and matched with the side walls of the box, a water-absorbing cotton block is installed at the bottom end inside the culture box, a culture base is installed at the upper end of the water-absorbing cotton block, multiple water-absorbing cotton strips are installed at the lower end of the water-absorbing cotton block, an automatic illuminating device is installed on the inner upper side wall of the culture box, a lifting handle is installed at the upper end of the culture box, the lower end of a water inlet pipe is connected with the lower end of a box body, and the upper end of the water inlet pipe is connected with an automatic water-adding device. The automated culture device automatically adds water, absorbs the water and makes illumination, can achieve rapid installation and detaching, and is convenient to use and easy and convenient to operate.

The invention discloses an air purification humidifier. The air purification humidifier comprises a shell, a filter screen assembly, a humidification assembly and a fan assembly, the humidification assembly comprises a water tank arranged at the bottom of the shell and a humidification component for conveying water in the water tank to the rear side of a secondary filter screen, the humidificationcomponent comprises a positioning frame and absorbent cotton, wherein the positioning frame is used for positioning an upper cover of the water tank in an inserting mode, the absorbent cotton is positioned in the positioning frame, the lower end of the absorbent cotton can be inserted into the water tank after passing through the upper cover, a sliding groove allowing the positioning frame to slide up and down is formed between the inner wall of a shell body in the shell and the positioning frame, a connecting piece detachably connected with the shell body is arranged at the upper end of thepositioning frame, and the height of the sliding groove is not smaller than the depth of the part, inserted into the water tank, of the absorbent cotton. The air purification humidifier has the following advantages and effects that by fixing different positions of the positioning frame, the purpose of water absorption or automatic draining of the absorbent cotton is achieved, it is ensured that the use state of the absorbent cotton can be rapidly changed under different use states of the air purification humidifier, the operation difficulty of a user is reduced, and the user experience of theuser in actual use is improved.

The invention discloses an underwater bionic propel comprising a propeller bracket, a power plant, a piston device, an injection device, a control unit, the aforementioned power plant, the aforementioned piston device, the injection device, the control devices are mounted on the propeller bracket, the input end of the control device is communicatively connected with the output end of the piston device; the output end of the control device is respectively communicatively connected with the input end of the power device and the input end of the injection device, the output end of the power device is cooperatively connected with the input end of the piston device, and the piston device is slidably connected with the injection device. The piston device of the invention mimics the outer membrane muscle of the cuttlefish, the sealed cabin mimics the funnel-shaped abdominal cavity of the cuttlefish, the pressure sensor and the control device mimic the neural control unit of the cuttlefish, and periodically circulates water absorption and spraying, so that the robot obtains continuous power.

The invention discloses a composite humic acid sponge bionic soil matrix and a preparation method and application thereof, belonging to the technical field of material preparation and environmental governance. The preparation method comprises the following steps: mixing polyether polyol and N-methyl pyrrolidone, carrying out stirring in a water bath under the action of a catalyst, a cross-linkingagent and a chain extender, dropwise adding isocyanate to obtain a polyurethane emulsion, and compounding humic acid with the polyurethane emulsion in the foaming stage of polyurethane sponge to obtain the composite humic acid sponge bionic soil matrix. The composite humic acid sponge bionic soil matrix has the same growth effect on plants and the same complexing adsorption effect on pollutant ions as humic acid, and the same portable water absorption effect as the sponge. The method is simple and convenient to operate, uses easily available raw materials, and has low equipment requirements and low cost. The prepared composite humic acid sponge bionic soil matrix is light in weight, uniform in holes, high in water absorption and retention rate, capable of effectively promoting plant growthand purifying water, safe and friendly to environment.

The invention discloses a drought-resisting and water-saving method for triticeae crops in a river valley region of Tibet, and relates to the technical field of agricultural irrigation. The method comprises the steps of dividing planting land into a sand-gravel layer, a mixed layer and a soil layer from bottom to top according to the soil properties 15-20 days before sowing the triticeae crops, wherein the height of the sand-gravel layer is 0.6 m-0.9 m, the height of the mixed layer is 0.3 m-0.6 m, and the height of the soil layer is 0 m-0.3 m; laying a plastic water-stop plate at the bottom of the sand-gravel layer, and filling the water-stop plate with sand and gravels; filling the mixed layer with original mixed layer soil and soil modifier; filling the soil layer with the original soillayer soil, crop straw and soil water-retaining agent; covering the top of the soil layer with black mulching film. The drought-resisting and water-saving method is particularly suitable for plantinghighland barley in the river valley region of Tibet, and has good effects of resisting drought and saving water.

The invention discloses a lightweight and thin knitted fabric. The gram weight of the fabric is not greater than 80 g/m<2>, 30D/36F cross special-shaped cross section functional polyester yarn is adopted for weaving the fabric, and a water-absorbing and quick-drying aid is added during post-finishing treatment after the fabric is dyed and shaped. The invention also discloses a lightweight and thin knitted running T-shirt which is sewed from the lightweight and thin knitted fabric. The lightweight and thin knitted fabric and the lightweight and thin knitted running T-shirt are lightweight and breathable and have a good water absorption and quick drying effect.

The invention discloses a high-pressure double-cavity multipurpose water delivery mechanism and belongs to the field of civil water delivery machinery. The high-pressure double-cavity multipurpose water delivery mechanism is composed of a transmission shaft II, a transmission frame, a bearing I, a transmission shaft I, a water inlet cavity, a ball cardan, a piston rod, a piston, a water inlet, a motor, a flange coupling, a tank, a water outlet, a water delivery channel and a water outlet cavity. The high-pressure double-cavity multipurpose water delivery mechanism achieves water suction and pressurizing according to the principle that reciprocating piston motion can form pressure difference, and meanwhile, by matching with a check valve to control liquid flow direction, achieves high-pressure water delivery in different environments to meet production requirements in real life. The high-pressure double-cavity multipurpose water delivery mechanism is simple in operation and applicable to water delivery in various environments.

The invention discloses an interchange structure for covering an existing road on a newly-built expressway, which comprises a covering surface, and the covering surface comprises a first covering surface, a second covering surface and a third covering surface; comprising a noise reduction and water absorption device which is arranged on one side of a covering face. Comprising covering surface connecting assemblies and a pouring device, and a first covering surface, a second covering surface and a third covering surface are fixedly connected through the covering surface connecting assemblies and the pouring device. According to the interchange structure for covering the existing road on the newly-built expressway, the covering surface is composed of the first covering surface, the second covering surface and the third covering surface, and when the bridge surface of an interchange overpass is repaired, the first covering surface, the second covering surface or the third covering surface can be selected through repairing area combination, so that the bridge surface is covered; due to the fact that the covering faces comprise the first covering face, the second covering face and the third covering face, the covering faces are convenient to transport, repair and splice.

The invention discloses a project whole process consulting, detecting and accepting device which comprises a test box body, an upper partition plate and a lower partition plate are arranged in the test box body in the vertical direction, and an upper cavity, an inspection cavity and a lower cavity which are formed by the upper partition plate and the lower partition plate in a separated mode are formed in the test box body. A through hole for communicating the inspection chamber with the lower chamber is formed in the lower partition plate in a penetrating manner; when each detection item of the building material is tested, the lifting clamping driving assembly, the detection pressing assembly, the detection drainage assembly and the like are matched, so that the testing efficiency of the building material is greatly improved, and the labor intensity of testing workers is reduced; the integrated detection on the heat conductivity coefficient, the sound insulation performance, the compression performance, the bending performance, the water absorption rate and the like of the building material is realized.

The invention aims to solve the cleaning problem of an exhaust fan, and discloses a cleaning device special for a coal mine exhaust fan. The cleaning device comprises a first motor; a rotating shaft is mounted on the right side of the first motor; an inserting frame is fixedly mounted at the right end of the rotating shaft; a second handle is fixedly mounted on the left side of the first motor; a material containing box is fixedly mounted in front of the first motor; a second motor is installed on the left side of the material containing box; a fixing frame is fixedly connected between the second motor and the material containing box; a stirring rod is installed on the right side of the second motor; heating blocks are evenly installed in the material containing box; a material passing pipe is fixedly installed in the middle of the upper side of the material containing box; a fourth motor is installed above the material passing pipe; a connecting frame is fixedly connected between the fourth motor and the material passing pipe; and a second auger is connected between the fourth motor and the material passing pipe. Coal mining is carried out in a mine, then the stirring structure and the heating blocks are used for drying and smashing the coal mine, and the exhaust fan is cleaned through the coal mine.