287results about How to "Depth is easy to control" patented technology

The invention discloses a laser surface micro-processing device and a method thereof. The laser surface micro-processing device consists of a laser, an external light path part, a rotating and moving workpiece as well as a control part controlling the laser and the rotating and moving of the workpiece. After the processed workpiece moves in a rotating way with a main shaft, a pulse signal which shows the rotating position of the workpiece is output by an incremental encoder, thus leading the pulse emitting time of the laser to be coupled with the rotating time of the workpiece and just walking through the rotating distance between two processing points on the workpiece in the clearance time of two or a plurality of pulses; the control signal of an acoustooptic Q switch output by an industrial personal computer after frequency demultiplication controls the laser to output a single-pulse laser beam; a four-shaft moving control card controls the moving of a two-dimensional lead rail and a lead rail to lead the laser beam and the surface of the workpiece to generate feed movement for processing a micro concave cavity and a micro groove. The invention can lead the adverse thermal effect brought by the laser during processing to be reduced to be lowest and can ensure the surface processing quality of a feature to the largest extent simultaneously when considering the processing efficiency and processing cost.

A tunnel ground deep-hole sleeve valve tube grouting construction method is used for treating an operating tunnel and is characterized in that first a construction joint in the tunnel is treated and a polyurethane waterproof material is adopted; then a bore with a certain depth is constructed at an angle in strata, a sleeve valve tube is arranged, a casing material is pre-poured, the sleeve valve tube stays in soil permanently, grout outlet holes are reserved in the grouted sleeve valve tube at intervals, a water-injection rubber hole packer is placed in the sleeve valve tube, and a stop valve is additionally arranged at a grout inlet; during grouting, water is injected into the water-injection rubber hole packer to block a grouting tube, and a to-be-grouted part is grouted by a retreating grouting method; and finally, the grouting effect is checked, and grouting is performed repeatedly if the effect is bad. The tunnel ground deep-hole sleeve valve tube grouting construction method has the advantages as follows: the working efficiency is increased; and the method is implemented in combination with in-tunnel grouting blockage, thus improving and radically changing the physical and mechanical properties of a foundation and a load-bearing action mechanism, increasing soil strength, reducing deformation and achieving the purposes of reinforcing soil and blocking water gaps.

The invention provides a method for preparing an alligatored surface of a light-emitting diode by using PS spheres as template. The method comprises the following steps: (1) performing epitaxial growth according to the conventional method to prepare an epitaxial wafer; (2) paving a layer of one-layer film which comprises closely packed PS spheres on the P-type contact layer obtained through epitaxial growth; (3) mixing precursor which is tetraethyl silicate, metal chloride or metal nitrate with ethanol and water to fill in the gap of the PS spheres of the one-layer film and the P-type contactlayer, standing at room temperature, heating to decompose the mixture and obtain the related oxides; (4) placing the epitaxial wafer in dichloromethane to dissolve the PS spheres, preserving the formed oxides in the gap of the PS spheres and the P-type contact layer on the P-type contact layer according to bowl-shaped periodic arrangement structure; (5) using the formed oxides as mask to perform dry etching on the P-type contact layer and obtain the alligatored surface; and (6) corroding and removing the residual oxides. The invention can be used to prepare the alligatored surface of the light-emitting diode with controllable etching period and depth.

An optical diagnosis and treatment apparatus includes a pulsed light source, an illumination optical system for illuminating a region of a living body through a guide tube, a light condensing means for condensing pulsed light, an optical scan means for two-dimensionally scanning the region, a light detection means for detecting the pulsed light reflected from the region, an operation means for reconstructing, based on an output from the light detection means, a tomographic image of the region, an image display means for displaying the tomographic image based on an output from the operation means and a light intensity switching means for switching the intensity of the pulsed light at least between two levels. The two levels are a level at which vaporization of living body tissue due to multi-photon absorption occurs at a convergence position of the pulsed light and a level at which vaporization does not occur.

A process for modifying the surface of polymer separating membrane by graft reaction includes such steps as immersing the membrane to be modified in supercritical CO2, triggering by free radical trigger or peroxide radical generated by high-energy radiation, diffusing various functional free-radical monomers onto the external and internal surfaces of said membrane by supercritical CO2 fluid, and graft reaction at proper temp and under proper pressure.

The invention provides a transmission assembly and a power tool. One form of the power tool includes a rotatable driven member for releasably gripping and rotating a working element and a transmission assembly for transmitting rotation from a motor to the driven member. The transmission assembly includes a rotatable input shaft and first and second rotatable output shafts. In a first speed setting the input shaft is selectively lockable together with the first output shaft so that the locked input shaft and first output shaft rotate in unison to drive rotation of the driven member at a first speed of rotation relative to a speed of rotation of the motor. In a second speed setting the input shaft is selectively lockable to the second output shaft so that the locked input shaft and second output shaft rotate in unison to drive rotation of the driven member at a second speed of rotation relative to the speed of rotation of the motor. Another form includes a torque controller operable for controlling torque supplied from the motor to the driven member to render the driven member stationary when the amount of torque supplied from the motor to the driven member exceeds a pre-determined level. Another form includes a switch mechanism for adjusting the transmission assembly between the first and second speed settings and for rendering the torque controller operable or inoperable. Another form includes a torque controller for use with a power tool and operable for controlling torque transmitted from an input shaft to an output shaft.

The invention discloses a dustproof construction base plane slotting device. The dustproof construction base plane slotting device comprises a base plate and supporting legs arranged on the bottom ofthe base plate; a dust collector and a screw are arranged at the position, on one side of a vertical plate, of the base plate, the screw is evenly marked with scale marks, the screw penetrates the plane of the base plate, the bottom is rotatably connected with a supporting plate through a convex block, the bottom of the supporting plate is provided with a rotation mechanism through a guide block,limiting rods are arranged on the inner sides of limiting plates, two sets of cutting blades are fixedly arranged on the rotation mechanism through locking nuts in screw joint, a dust collection pipeon the dust collector penetrates the plane of the base plate, and the bottom communicates with two sets of dust collection covers through guide pipes, and cover opening directions of the dust collection covers are arranged in a manner of facing the cutting blades. The slotting depth and the width control can be achieved, operation is convenient, in the slotting process, generated dust is absorbed, air pollution is reduced, the device can be subject to linear movement, and linear slotting work can be facilitated.

The invention discloses an ultrasonic imaging detecting method of a mushroom type root part of blades of a steam turbine and a phased array energy transduction device. According to the invention, the ultrasonic phased array detecting method and the energy transduction device which are adopted are good in acoustic beam accessibility; ultrasonic emitting acoustic beams can be changed through wedge blocks, thus the acoustic beams can enter the mushroom type root part of the blades to cover all key detecting parts so as to compressively image and inspect a component with a complex geometric shape; the focus dimension, the depth of a focusing area and the directions of the acoustic beams can be optimally controlled under the condition that a probe is not moved or is moved slightly; and the detection speed, the scope, the resolution ratio, the signal-to-noise ratio and the sensitivity can be improved; and furthermore, the imaging is clear, and the reflection echo of a defect can be quickly and accurately positioned.

The invention discloses a chip separation method for a 3D stacked chip encapsulator. The method comprises the steps that acoustic scanning micro-detection is conducted on the internal structure of a 3D stacked chip encapsulated ULSI sample to determine a region to be ground and the area of the region to be ground; the 3D stacked chip encapsulated ULSI sample is fixed to a grinding table through hot molten wax; grinding is conducted, wherein a grinding drill bit, the grinding intensity and the grinding direction are selected according to the area of the ground region, an encapsulating material and chips are removed, and the region is ground to a protective layer covering the surface of a target chip; a chemical etching method is adopted to remove the protective layer. According to the chip separation method, grinding is used as a main mode, and chemical etching is used as an auxiliary mode; a specific local region is removed through grinding, and the internal structure of the lower chips and bonding wires of the lower chips are not damaged; the protective layer covering the surface of the target chip or chip binder is removed through the chemical etching method, and then the target chip is exposed; the internal structure of the obtained target chip and the bonding wire on the target chip are complete and not damaged, and therefore subsequent electrical logging analysis is facilitated.

The invention relates to an improvement on a proton exchange membrane fuel cell stainless steel bipolar plate and a preparation method thereof. The invention is characterized in that: a CrxN plating layer is formed on the surface of a stainless steel bipolar plate by adopting ion injection, wherein x is between 0.06 and 10. The obtained bipolar plate has lower contact resistance and higher corrosion resistance; the contact resistance is only between 20 and 30 ohm cm2 under a condition of 150N / cm2 pressure; corrosion current is between 2 and 3 muA / cm2 under a simulation PEMFC corrosive environment; the corrosion resistance is higher than that of a pure metal plating layer and a nitride plating layer; and the properties are similar to those of electric arc ion nickel plating, chromium nitride and the like. The improvement adopts Cr ion and N ion injection, has the advantages of lower equipment requirement, simple process and low modification cost, is easy to control components and depth of the plating layer, can accurately control surface CrxN type and is suitable for commercial production of the bipolar plate. The injection temperature is only between 100 and 250 DEG C, so low energy consumption is required, high-temperature thermal treatment is saved, and influence on the size of a flow channel formed by stamping stainless steel plates is less.

The invention discloses a tool provided with cutting chip flow guiding capillaries and functions and a machining method of the tool, relates to the tool in which the flow guiding capillaries are formed initiatively at the bottoms of cutting chips, and belongs to the field of mechanical manufacturing. The tool is characterized in that a texture array is arranged on the surface (1), on one side of the flowing direction of the cutting chips, of the tool; the texture array is formed by combination of micro-bulge (6) arrays and micro-groove (2) arrays; and the micro-bulge (6) arrays and the micro-groove (2) arrays are sequentially arranged along the flowing direction of the cutting chips. According to the tool, when a wet cutting machining mode is adopted, the direction of pouring or spraying is aligned with the direction of the capillaries or micro-grooves. Friction between the tool and the cutting chips is reduced; and cutting fluid reaches a bonding zone and a sliding zone, so that cutting force and cutting heat are lowered, and the service life of the tool is prolonged.

The invention provides a manufacturing method for stepped silicon germanium source / drain structures, which includes firstly, providing a silicon substrate, wherein a grid structure, first gap walls on two sides of the grid structure and second gap walls on two sides of each first gap wall are formed on the silicon substrate, secondly, performing multiple times of ion implantation technology by different directions and depths to form a first amorphous state region in the silicon substrate on two sides of each second gap wall and form at least one second amorphous state region in the silicon substrate below the second gap walls, thirdly, removing the second gap walls, fourthly, removing the first amorphous state regions and the second amorphous state regions to form a stepped recess, and fifthly, forming a doped stepped silicon germanium source / drain structure in the stepped recess. Compared with the prior art, the manufacturing method for stepped silicon germanium source / drain structures can reduce etching procedures and lower control difficulty of the etching process.

The invention discloses an indoor decoration perforating apparatus. The indoor decoration perforating apparatus comprises a cylinder body, a sleeve fixedly installed at the right end of the cylinder body and a feeding apparatus installed in the cylinder body, wherein the periphery of the right end of the sleeve is provided with an outer threaded section, the outer threaded section is provided with an adjusting sleeve in a threading manner, the right end of the adjusting sleeve is rotatably provided with a cover cylinder, a funnel hole is formed in the side wall of the cover cylinder, a dust collection bag is installed at the outer side end of the funnel hole, the feeding apparatus comprises a slide frame installed in the cylinder body in a sliding manner and a push rod fixedly installed at the left end surface of the slide frame, the left end of the push rod penetrates through the cylinder body, the tail end is fixedly provided with a push handle, slide grooves extending leftwards and rightwards are symmetrically installed on the cylinder body, a slide strip is installed in each slide groove in a sliding manner, the slide strips are fixedly connected with the slide frame, a drive motor is fixedly installed in the slide frame, an output shaft of the drive motor is fixedly provided with a rotating shaft, and the right end of the rotating shaft is detachably provided with a drill bit.

The invention relates to a processing method of nanometer-sized and micron-sized holes, which comprises the following steps: (1) a base material is cleaned, and dirt on the surface is removed; (2) photoresist is spin-coated, and after exposure and development, a substrate is formed; (3) micro-nano composite structure metal particles are deposited on the surface of the substrate; and with a magnetic core as a center, the surface of the micro-nano composite structure metal particle is plated with a metal nanoparticle plating composed of a plurality of nano-gold, -silver or -aluminium particles;(4) the photoresist is removed with only a micro-nano composite structure metal particle dot array left; (5) laser is adopted to irradiate the substrate while a uniform strong magnetic field is applied, so that processed holes are formed by processing; (6) after nanometer-sized holes or micron-sized holes with a target hole diameter, shape and depth are achieved, laser irradiation is stopped and the uniform magnetic field is removed, and thereby a finished product is obtained. The processing method proposed by the invention can process blind holes or through holes with a hole diameter being 100nm or more and any nanometer-sized shape, is environmentally friendly, and is easy to operate, and the processed hole diameter, shape and depth can all achieve a controllable effect.

A dual damascene process is provided. A substrate having a conductive area is provided. An etching stop layer, a dielectric layer and a patterned hard mask layer are sequentially formed on the substrate. A first opening is formed in the dielectric layer exposed by the patterned hard mask layer. A first material layer having a high etching selectivity with respect to the dielectric layer is deposited to fill the first opening. A portion of the dielectric layer and the filling material layer are removed to form a trench and a second opening. The filling material layer exposed by the second opening is removed to expose part of the etching stop layer. A portion of the etching stop layer is removed to form a third opening. A conductive layer is formed in the trench and the third opening.

The invention discloses a display panel, a display device and a manufacturing method of the display panel. The display panel comprises a TFT substrate, a Micro-LED located on the TFT substrate and a light reflection layer at least wrapping the side wall of the Micro-LED, and the light reflection layer enables light emitted by the Micro-LED to be guided out from the top of the Micro-LED. The reflective layer at least wraps the side wall of the Micro-LED; the light emitted by the Micro-LED can be reflected on the light reflecting layer; therefore, the emitted light is emitted from the top of theMicro-LED as much as possible, the light emitting efficiency is improved, the display effect is enhanced, in addition, the light reflecting layer can be manufactured through BP equipment, for example, in the manufacturing process, the colloid exposure depth and the gluing uniformity are easy to control, and therefore the manufacturing difficulty of the light reflecting layer is low.

The invention discloses a method for adhering and combining a zirconia prosthesis and a natural tooth. The method has the advantages that an existing sand blast process for processing is not used, thesurface of dental-department zirconia ceramic is milled, material mechanical damage is avoided, micro-ornamentation is formed on the surface of the dental-department zirconia ceramic to perform surface roughening under the condition that the later mechanical strength of the ceramic is unaffected so as to increase the specific surface area of the zirconia ceramic, and the zirconia prosthesis and the natural tooth are adhered and combined by using resin as the adhesive through methods such as surface processing, coating and novel sand blast.

The present invention provides a radar pulse compression output minor lobe inhibition method based on windowing processing. The method comprises the steps of: performing pulse compression processing of a known echo signal of a radar, outputting a pulse compression signal A, loading a window function to the pulse compression signal at a frequency domain, performing inverse Fourier transform to allow the pulse compression signal to be equal to an ideal output signal on a time domain, and solving the window function, wherein the ideal output signal is namely a pulse compression signal at a set position for minor lobe inhibition; performing pulse compression processing of the radar echo signal to be inhibited, loading the window function to the pulse compression signal to perform processing, and obtaining an ideal output result of minor lobe inhibition. The radar pulse compression output minor lobe inhibition method is low in calculation complexity, can achieve shape maintenance of the width and the shape of the main lobe, can flexibly control the minor lobe features of a pulse compression result, and can be deeply controlled.

The invention discloses a lateral flow immune test strip based on an ordered micro-nano structure. The lateral flow immune test strip is used for detecting a target in an analyte. According to the test strip, a base is used as a substrate, a sample pad, a conjugate pad, a chromatography pad, an ordered micro-nano structure detection pad and an absorption pad are sequentially distributed on the substrate from left to right, the sample pad is a target loading area, nanoparticles capable of being coupled with a target are combined on the conjugate pad, the ordered micro-nano structure detection pad is arranged on the chromatography pad, and a detection area and a quality control area are distributed on the ordered micro-nano structure detection pad; the sample pad and the conjugate pad are overlapped together, the conjugate pad and the chromatography pad are overlapped together, the ordered micro-nano structure detection pad is fixed on the chromatography pad, and the chromatography pad and the absorption pad are overlapped together; in practical application, when a sample reaches a detection area, multi-target detection can be realized by collecting signals; the test strip has the advantages of short detection time, simplicity and convenience in operation, low cost, simultaneous detection of multiple targets and the like, and is expected to be widely applied to the field of rapiddetection.

The invention relates to the technical field of medical instruments, in particular to a medical bone drill. The medical bone drill comprises a shell and a drill bit. The medical bone drill is characterized in that a rotating shaft, a one-way bearing, a drive wheel, a forward bevel gear, a bevel pinion, a reset spring and a trigger are arranged; the back portion of the drill bit is fixedly connected with the shell through the bearing, the shell is in a gun shape, the rotating shaft is arranged in the shell, the forward bevel gear and the one-way bearing are arranged on the rotating shaft, the two ends of the rotating shaft are respectively connected with the shell, the one-way bearing is fixed in the drive wheel, the bevel pinion is arranged on one side corresponding to the drive wheel, the bevel pinion is fixedly connected with the drill bit, the lower end of the drive wheel is fixedly connected with the trigger, and the trigger is connected with the shell through the reset spring. Through the adoption of the structure, the medical bone drill has the advantages of being simple in structure, controllable in drilling speed and drilling depth, convenient to control and short in operation time, and pains of patients are fewer.

The invention discloses a drilling device for construction and decoration. The drilling device comprises a barrel body, a sleeve and a feeding device, wherein the sleeve is fixedly installed on the right end of the barrel body, the feeding device is installed in the barrel body, an external thread section is formed on the periphery of the right end of the sleeve, a regulating sleeve is installed on the external thread section in a thread fit mode, a cover barrel is fixedly installed on the right end of the regulating sleeve, the feeding device comprises a sliding frame which is installed in the barrel body in a sliding mode and a push rod which is fixedly installed on the left end surface of the sliding frame, the left end of the push rod passes through the barrel body, a push handle is fixedly installed on the tail end of the push rod, chutes which extend from left to right are symmetrically formed in the upper and lower parts of the barrel body, sliding bars can be installed in the chutes in a sliding mode, the sliding bars are fixedly connected with the sliding frame, a driving motor is fixedly installed in the sliding frame, a rotating shaft is fixedly installed on an output shaft of the driving motor, the rotating shaft extends rightwards into the sleeve, and a drill is detachably installed on the right end of the rotating shaft.

The invention belongs to the technical field of data acquisition and storage, in particular to a system of data acquisition and storage. The system of the data acquisition and storage comprises a filed programmable gate array (FPGA) chip, an analog to digital converter (ADC) component, a clock signal module and a first input first output (FIFO) system, wherein the FIFO system is realized in the FPGA chip. The FIFO system comprises a storage selective channel module and an FIFO write clock which are mutually connected. The FIFO write clock is remained to be in accordance with the clock signal module. The FPGA chip can drive the ADC component to collect analog signals. The clock signal module is connected with the ADC component. The output end of the ADC component is connected with the input end of the FIFO system. Compared with the prior art, the method and the system of the data acquisition and storage can utilize the FIFO system to store conversion results of the ADC component. Compared with the random access memory (RAM), the method and the system of the data acquisition and storage have a faster processing speed, and read-write is more convenient. The method and the system of the data acquisition and storage can effectively avoid the occurrence of 'race hazards' due to the fact that the storage selective channel module is set.

The invention relates to a sulfur / nitrogen / silicon co-doped graphite composite negative electrode material and a preparation method thereof, and belongs to the technical field of the technical field of lithium ion battery material preparation. The technical solutions are as follows: (1) weighing 1 to 5 g of sulfur-containing organic compounds and 1 to 5 g of nitrogen-containing organic compounds,adding the compounds to 500 g of organic solvent, stirring evenly, adding 100 g of graphite into the solution, stirring evenly, filtering, then transferring the solution to a tube type furnace, raising the temperature to 200-500 DEG C under an inert atmosphere, then keeping the temperature for 1 to 6 h, and reducing the temperature to the room temperature in an inert atmosphere to obtain a graphite composite material A; (2) implanting the nano-silica in the surface layer of the graphite composite material A through high-speed particle beam bombardment and then carrying out carbonization to obtain the sulfur / nitrogen / silicon co-doped graphite composite anode material. According to the invention, the specific capacity of the graphite material is improved by doping sulfur in the graphite material, and nitrogen doping is carried out to improve the conductivity of the sulfur; the expansion of the material can be reduced; and the liquid absorption capacity of the material can be improved.

The invention relates to a grooving device, in particular to a domestic fixed range grooving device for a board. The technical purpose to be achieved is to provide a domestic fixed range grooving device for the board which has the advantages that the influence by human factors can be reduced, chip clearing speed is fast and grooving depths are the same. The device comprises a first supporting frame, a sleeve tube, a first gear disc, a first supporting rod, a first belt wheel, a belt, a second gear disc and the like. The top of the first supporting frame is provided with the sleeve tube. The depth of grooves formed by an electric drill can be conveniently controlled by a worker by arranging an indicator and scaling lines to prevent the board from penetration by the electrical drill due to excessive large electrical drill downward moving range because the board needs mending after being damaged, and the appearance of the board is influenced by damaging; chips generated when the grooves are formed in the board can be blown away by an arranged air pump and a vent pipe, so that the board is cleared and clean, the work cleans less chips, and the labor intensity of the worker is reduced to help to improve the working efficiency of the worker.

The invention relates to the technical field of white marble carving and in particular relates to a peculiar technical method for manufacturing different art pictures and calligraphy works on white marble. The invention particularly relates to a method for carving pictures or calligraphy on a white marble stone, and the method comprises the following steps: (1) processing white marble materials into a white marble surface plate; (2) drawing an art picture or calligraphy on the surface of the white marble surface plate; (3) according to the trace of the drawn art picture or calligraphy, engraving the white marble surface plate into a concave-surface art picture; (4) developing mineral pigments of different colors, and filling the mineral pigments of the corresponding colors into concave surfaces according to the colors of the art picture or calligraphy; and (5) after the mineral pigments are filled into the concave surfaces to level, burnishing and polishing the white marble surface plate to obtain the white marble carving picture. The marble carving picture manufactured by the method can perfectly and vividly embody the artistic effect of art works, such as pictures, calligraphy and the like, and the whole picture also revels the natural, light, pure-white and elegant temperament of the white marble.

The invention discloses an ultrasonic imaging detection phased array transduction device for a blade fir-type root of a turbine. The ultrasonic imaging detection phased array transduction device comprises a phased array transducer and a wedge block, wherein the number of array elements of the phased array transducer is 16 to 32; the interval of the array elements is 0.5 to 1mm; the width of each array element is 4 to 10mm; a plurality of strip-shaped piezoelectric ceramic wafer array elements are arranged in parallel and are embedded into a base body of the phased array transducer, and an angle of incidence is 30 to 70 degrees; a phased array transducer slot is formed in the inclined surface of the wedge block; an included angle between the bottom surface of the phased array transducer slot and the bottom surface of the wedge block is 31 to 41 degrees; impedance rubber is arranged in the wedge block along the direction of an acoustic beam. The ultrasonic imaging detection phased array transduction device is high in acoustic beam accessibility; an ultrasonic emission acoustic beam is changed by using the wedge block, so that the acoustic beam can enter the blade fir-type root, can cover all key detection parts, and can perform comprehensive imaging inspection on a complicated turbine blade fir-type root.

The invention discloses a preparation method and application of a doping content-controllable nitrogen-doped carbon material. A nitrogen-doped carbon material with a nitrogen doping content of 0.1%-70% can be prepared by virtue of an ion implantation technique and is doped and modified so as to form the uniformly-doped carbon material with the controllable nitrogen doping content; and by utilizingthe ion implantation technique, the doped elements are pure and single, the doping concentration is not limited by equilibrium solid solubility, and the types, concentrations and depths of the dopedelements can be accurately controlled. By utilizing the ion implantation technique, the carbon material can be modified from the aspects of the doping of impurity atoms, the increase of surface defects and the like, so that the electrochemical performance of the material is improved, and meanwhile, problems in the preparation of the nitrogen-doped carbon material through a chemical method can be effectively solved; and the nitrogen-doped carbon material is applied to the fields of lithium ion battery negative electrode materials of energy materials, catalysts and the like, so that the lithiumion battery negative electrode materials and electrocatalysts which have good electrochemical performance can be prepared.

The invention discloses a water evaporating device which comprises an evaporating pond, wherein the evaporating pond is provided with a water inlet; the black bottom of the evaporating pond is provided with one or more dams and divided into a plurality of blocks, and each block is provided with a rain water outlet and a concentrated solution outlet, wherein the rain water outlet is used for shunting the rain water, and the concentrated solution outlet is used for collecting evaporating remains. The dam is provided with a water distribution channel port, and the bottom of the evaporating pond is paved with electric heating or after heat pipelines. The water evaporating device can respectively adopt light energy, electric energy and after heat energy and can also use the light energy, the electric energy and the after heat energy in groups or in the same group. The water evaporating device can shunt the rain water, reduce the evaporation amount, control the depth of the evaporating water, improve the efficiency of evaporation and distillation and facilitate the clearing of the remains of the evaporation and distillation. The water evaporating device has simple structure and lower manufacturing and operation cost and can be used singly and in a combined mode.

The invention provides a manually assisted hand-held spring plate variable diameter branch clamping electric persimmon tree ring peeling tool. The ring peeling tool comprises a handle, a spring, a rotating shaft, a spring plate, a setting circle and a micro direct-current motor; the spring which is a tension spring is fixedly installed on the handle, during operation, the spring plate is clamped on a branch of a persimmon tree so as to prevent rotation along with a ring peeling knife, the handle is divided into two parts, the setting circle is installed on the handle, two parts of the setting circle are buckled together to form a full circle, the handle is opened and closed, and the setting circle and the spring plate are opened and closed accordingly; a groove is formed in the setting circle, a rolling wheel is embedded into the groove and rolls in the groove, a link rod penetrates through a center hole of the rolling wheel, the rolling wheel rotates in a circle, the link rod connects two persimmon tree ring peeling tools together, a ring peeling handle is fixed to the link rod, the ring peeling knife is arranged at one end of the ring peeling handle, a link plate is arranged at the other end of the ring peeling handle, and under manual assistance, the ring peeling knife moves in a circle by taking the fixed point of the handle and the link rod as the circle center and taking the distance from the fixed point to a knifepoint of the ring peeling knife as the radius to conduct ring peeling on the persimmon tree.