65results about How to "Implement add" patented technology

The invention discloses a digital audio watermark processing method and device, equipment and a storage medium, and belongs to the technical field of artificial intelligence. The method comprises the following steps: receiving a watermark adding instruction, and carrying out Fourier transform on original host voice to obtain an audio signal; identifying a watermark information adding bit in the audio signal through the audio watermark model, and embedding a watermark message in the watermark information adding bit; the interfering audio signal and the audio signal carrying the watermark message are combined. Receiving the message extraction signal, and separating an interference audio signal in the combined audio signal; a watermark information adding bit in the audio signal is identified, and a watermark message is extracted from the watermark information adding bit. The invention also relates to the technical field of block chains, and the host voice is stored on a block chain network. According to the method, the watermark information adding position is automatically identified through the audio watermark model, so that the watermark information is added and extracted, the dependence on expert knowledge is remarkably reduced, and the watermark processing speed and efficiency are improved.

The invention belongs to the technical field of textile, and relates to a preparation method of a three-dimensional spacer fabric with a circular structure, which specifically comprises the following steps: weaving an outer woven tube by using a group of yarns a, synchronously weaving an inner woven tube by using a group of yarns b, sleeving the inner woven tube with the outer woven tube, in the weaving process, a plurality of spacer filaments are inserted between the interweaving points formed by the yarn a and the interweaving points formed by the yarn b, the spacer filaments are repeatedly inserted along with the weaving process, and the three-dimensional spacer fabric of the circular structure is obtained after weaving is finished. The method is simple, the three-dimensional spacer fabric of the circular structure can be efficiently prepared, and the spacing of the three-dimensional spacer fabric of the circular structure is easy to adjust.

The utility model discloses a 3D printing head structure for ceramic products, and aims to overcome the defects that the discharging stability of a 3D printing head is poor, and the printing quality is affected. A material extrusion screw is installed in the printing cylinder, a feeding nozzle is arranged on the side wall of the printing cylinder, an extrusion nozzle is arranged at the lower end of the printing cylinder, the feeding nozzle is connected with an extrusion cylinder through a pipeline, and an extrusion piston is installed in the extrusion cylinder. Due to the double extrusion effect of the extrusion piston and the extrusion screw, printing materials can be stably and reliably extruded, the blocking phenomenon is avoided, and the printing quality of ceramic products can be guaranteed.

The invention relates to an automatic loading mechanism for micro weights, which comprises a transparent barrel, a barrel cover, a comparator, a support column and a bearing plate, and is characterized in that the support column is placed on the comparator and is connected with a plurality of bearing columns; a first annular groove is formed in the top wall of the transparent barrel, an annular sliding block is slidably arranged in the first annular groove, a second annular groove is formed in the inner circumferential wall of the transparent barrel, a sliding block is slidably arranged in the second annular groove, the sliding block is connected with the annular sliding block, the bearing plate is connected with the sliding block, and a first air cylinder is arranged on the bottom wall of the bearing plate. An output shaft of the first air cylinder is connected with a second air cylinder, an output shaft of the second air cylinder is connected with a moving plate, two placing columns are arranged on the inner wall of the moving plate, an output shaft of the third air cylinder is connected with a fourth air cylinder, and an output shaft of the fourth air cylinder is connected with a shifting plate; the barrel cover can cover the top wall of the transparent barrel, completely covers an inner cavity of the transparent barrel and is located on the inner side of the annular sliding block. The problem of low verification efficiency of the miniature square weight can be solved.

The invention discloses an acrylic ester composite emulsion condensation device, and relates to the technical field of acrylic ester composite emulsions.The acrylic ester composite emulsion condensation device comprises a supporting plate, and a stirring barrel is arranged on the supporting plate; a lifting structure is arranged on the supporting plate; a worker pours a part of pre-emulsion and a part of an initiator into a stirring barrel, materials in the stirring barrel are polymerized through cooperation of a motor, a first gear, a second gear and a stirrer, then the remaining materials are placed into a placing box through a feeding structure, the rotating placing box enables a baffle to move under the action of centrifugal force, and then the materials in the stirring barrel are polymerized. A material in a material barrel in the placing box flows into a spraying pipe through a discharging pipe and uniformly falls into a stirring barrel through the spraying pipe for efficient mixing, meanwhile, the rotating speed of the placing box enables a baffle to move to different positions, the moving positions of the baffle are different, and the inflow amount of the material in the discharging pipe is different; therefore, the flow rate of the material is controlled.

The utility model discloses a garbage incinerator front material pushing platform with a deodorization function, which relates to the technical field of spray deodorization, and comprises a liquid storage tank, the liquid storage tank is connected with a liquid inlet end of a liquid supply pump fixed on a base in a matching way through a connecting pipe, and the liquid storage tank is connected with the liquid inlet end of the liquid supply pump through a connecting pipe. Wherein the connecting pipe is further connected with a butterfly valve in series; the liquid outlet end of the liquid supply pump is connected with a liquid supply pipe, and the tail end of the liquid supply pipe is at least connected with one atomizing nozzle; according to the utility model, after liquid medicine in the liquid storage tank is used up, the make-up pump is started, an external water source enters the water inlet pipe and is pumped into the liquid storage tank, the medicine is added according to the proportion of water quantity and medicine quantity, and after the metering pump is started, the metering pump pumps out the medicine in the medicine tank through the medicine inlet pipe and conveys the medicine into the liquid storage tank through the medicine make-up pipe. Therefore, the addition of the medicament is realized; in this way, manual proportioning is omitted, and the requirement for spraying deodorization on the garbage incinerator pushing platform is met.

This application relates to an assembly device for an EPB transmission structure, specifically within the technical field of EPB power heads. The assembly device includes a conveyor line, a fixture, a clamping mechanism, a robotic arm, and an oiling mechanism. The fixture positions the housing and places it on the conveyor line for transport. The clamping mechanism presses against the housing for positioning. The oiling mechanism includes an oiling ring mounted on a mounting frame with multiple oiling holes arranged in a circular array inside; and a conveyor belt that transports gears at intervals. This application utilizes a robotic arm to grasp and drive the transport gears, and the multiple oiling holes in the oiling ring, in conjunction with the gear rotation, uniformly add lubricating oil to the gears. After adding oil, the gear rotation causes excess lubricating oil to flow back into the oiling ring, improving assembly efficiency and oiling quality while reducing lubricating oil waste and the risk of environmental pollution.

The utility model discloses directional screening equipment for metal powder, which comprises a screening mechanism, one end of the screening mechanism is provided with a feed inlet, the top of the screening mechanism is sealed, and the bottom of the screening mechanism is provided with a screening net; a feeding opening is formed in one end of the transfer mechanism, and a retention mechanism is arranged at the bottom; a drying system is arranged in the treatment mechanism; the retention mechanism controllably blocks the communication between the transfer mechanism and the processing mechanism; and a discharging opening is formed in the bottom of the discharging mechanism. According to the utility model, fine-screened low-granularity powder is accommodated and collected through the inclined retention mechanism, the equivalent weight reaches a certain standard, the accommodating plate is opened under the gravity action of the powder, and the powder enters the treatment mechanism to be discharged and stored in a bag after being subjected to a subsequent process; the feeding port is additionally arranged, powder adding in a special particle size interval is achieved, mixing and drying are conducted in cooperation with the processing mechanism subsequently, and the screening equipment has the mixing function at the same time; the external structure of the device is reinforced, and balance management is increased; the discharge port is butted through the fixed platform to discharge powder, so that the powder is prevented from being scattered.

This utility model discloses a dyeing agent preparation device for dyeing polyester network yarn, belonging to the technical field of dyeing agent preparation devices. The utility model includes a base plate, a stirring mechanism on the top of the base plate, and a discharge mechanism on the top of the base plate. The stirring mechanism includes a stirring tank. The utility model incorporates a toggle lever. A motor rotates a rotating shaft, which in turn drives a stirring rod. Simultaneously, as the rotating shaft rotates, the toggle lever actuates a baffle, causing the baffle to rotate within a connecting shell and simultaneously slide on a liquid-passing pipe. The toggle lever's actuation of the baffle causes the baffle to rotate within the connecting shell, and the rebound of the telescopic cylinder resets the baffle. This allows for the gradual addition of dyeing agent, resulting in a more uniform mixture and preventing uneven polyester color caused by uneven dyeing.

The invention relates to the technical field of fermentation tanks, in particular to an intelligent temperature control fermentation tank. Comprising a supporting frame, a fermentation box is arranged above the outer wall of the supporting frame, and an adding mechanism is arranged on the outer wall of the supporting frame and located on one side of the fermentation box; the adding mechanism comprises a containing assembly, a pressing assembly and a connecting assembly, the containing assembly is fixedly arranged on one side of the supporting frame, the pressing assembly is slidably arranged in the containing assembly, one end of the connecting assembly is fixedly connected with the containing assembly, an additive is added to the upper middle portion in the containing assembly, and the pressing assembly is in pressing contact with one side of the fermentation box. The other end of the connecting assembly is fixedly connected with the fermentation box; compared with the prior art, the weight of the fermentation box is changed when fermented materials are injected, so that the pressing assembly is driven to continuously inject the liquid additive in the containing assembly into the fermentation box, the additive can be added in the discharging process, manual placement is not needed, and the fermentation effect of the device is greatly improved.

The utility model relates to the technical field of clamps, in particular to a clamp for machining an engine support. Comprising a bottom plate, a V-shaped block, a workpiece and an auxiliary device, the auxiliary device comprises a filtering box, a filtering net, a cooling pipe, a left clamping assembly, a right clamping assembly and a limiting assembly, during machining, the workpiece is firstly placed on the V-shaped block to be supported, then the left clamping assembly and the right clamping assembly act to conduct two-side limiting, further, the limiting assembly acts to conduct top limiting, and finally a drilling machine can conduct drilling machining. And meanwhile, during machining, cooling liquid is introduced into the filter box, then filtered by the filter screen and finally sprayed out and conveyed through the cooling pipe, so that during machining and using, cooling liquid adding can be achieved, and machining and using are better facilitated.

The utility model discloses an aluminum alloy channel handrail with an LED (light-emitting diode) lamp strip for a ship, which relates to a channel handrail and comprises a handrail main body and a plugging head which are both made of aluminum materials, plugging heads are detachably mounted on the two sides of the handrail body, a mounting groove used for mounting an LED lamp strip is formed in the lower portion of the handrail body, and positioning tooth structures are arranged on the two sides of the mounting groove. Clamping grooves are formed in the two sides, below the mounting groove, of the handrail body, and a light-transmitting plate is jointly mounted in the two clamping grooves; a storage concealed compartment is arranged in the middle of the armrest body, and two oppositely-arranged inserting groove structures are arranged in the storage concealed compartment. The handrail is light in weight and low in manufacturing cost, a light source is added in the handrail, and the problem that in the prior art, the light source cannot be installed due to the poor heat dissipation effect of wood materials and stainless steel materials is solved.

The invention relates to the technical field of front-end development, and provides a method, system and equipment for establishing front-end observability at a browser end, and the method comprises the following steps: carrying out webpage loading detection and basic information collection when a browser loads a webpage, and judging whether an entry file of a current webpage needs to be intercepted according to the collected basic information; when the entry file of the current webpage needs to be intercepted, injecting the JS file of the front-end observable client into the intercepted entry file of the current webpage; in the process of loading the current webpage, executing initialization of the front-end observable client by loading an entry file of a JS file injected into the front-end observable client; and after the front-end observable client is initialized, a notification that the front-end observable client is injected and loaded successfully is sent to a user. According to the method, the system and the equipment for establishing the front-end observability at the browser end, the front-end observability construction which is more flexible, easy to operate and high in efficiency can be realized.

The present invention discloses a forestry afforestation land seedling protection device, belonging to the field of forestry engineering technology, the present invention comprises a fixing piece fixedly installed on the outside of the seedling, an extension seat is fixedly installed on the outside of the fixing piece, and a support assembly is rotatably arranged on the outside of the extension seat, a connected cavity structure is provided between the fixing piece and the extension seat; the support assembly comprises a rotating piece rotatably installed on the outside of the extension seat, and a center rod is fixedly connected to the lower end of the rotating piece, and a fixing sleeve is arranged on the outer side of the center rod, and at the same time, a fixing column is fixedly connected to the lower end of the fixing sleeve through a connecting sleeve, and a positioning anchor is rotatably connected to the lower end of the fixing column. The forestry afforestation land seedling protection device can provide stable buffer support for the tree body, and can be automatically dismantled after the tree grows to avoid restricting the further growth of the trunk, and can automatically and evenly fertilize the tree during its growth.

The present invention provides a signal delay module, an electronic circuit and a circuit system, wherein the signal delay module comprises: a conversion and adjustment unit for converting an input signal from voltage to current; a capacitor charge / discharge unit connected to the conversion and adjustment unit for performing capacitor charge / discharge operations according to the converted input signal to obtain a capacitor voltage and a charge / discharge current; a voltage comparison unit connected to the capacitor charge / discharge unit for comparing the capacitor voltage with a reference voltage to obtain a voltage comparison result; a current comparison unit connected to the capacitor charge / discharge unit for comparing the charge / discharge current with a reference current to obtain a current comparison result; and a logic processing unit connected to the voltage comparison unit and the current comparison unit, respectively, for performing logic operations on the voltage comparison result and the current comparison result to obtain an output signal, thereby increasing a delay in the output signal. The present invention solves the problem that the existing signal delay design has a large circuit board volume due to the addition of passive components.

The utility model relates to industrial water chiller technical field discloses a kind of industrial water chiller with descaling structure, including cabinet, the inside of the cabinet is equipped with multiple circulation water pipes for water circulation, the top of the cabinet is equipped with the adding assembly for carrying out descaling liquid addition, the side of the adding assembly is equipped with the quantitative assembly for the quantitative addition of descaling liquid, the adding assembly includes the adding barrel arranged in the top of cabinet inner chamber, the bottom end of the adding barrel is fixedly connected with first adding pipe, the bottom end of the first adding pipe is fixedly connected with extrusion barrel, one end of the extrusion barrel is fixedly connected with second adding pipe;By setting adding assembly and quantitative assembly, the quantitative and frequency addition of descaling liquid are realized, the descaling effect is effectively improved, the equipment damage risk is reduced, the water quality stability in water chiller is guaranteed, the service life of industrial water chiller is prolonged, and the stable operation of industrial production system is guaranteed.

The invention relates to a multi-level father-child node management method on an APP page, and belongs to the technical field of APP software development. According to the method, each functional page in the APP is used as a routing node, the routing node which reaches each functional page in the APP operation is recorded, and the routing of each functional page is equal to the sum of the routing of the previous skipped functional page and the node of the previous skipped functional page, so that the routing information is transmitted to the next-level page; according to the method, on the basis of runtime runtime characteristics of OBJective-c of an iOS system, maintenance of each node route is realized through a method of holding UIView by HOOK; and meanwhile, by adding classification and attributes to the NSObject, the routing management of each node is realized. The method is based on the characteristics of the iOS development language, follows the language specification of OBJective-c, provides an interface for the system development language, and expands in a pollution-free and coupling-free manner.

This application relates to the field of data processing technology and provides a method, apparatus, electronic device, and storage medium for authorizing electronic documents. The method includes: if a signature request for an electronic document to be signed is received, determining the signature type of the electronic document; identifying the verification result of the electronic document according to a verification algorithm associated with the signature type; if the verification result is successful, generating signature data associated with the signature type; and importing the signature data into the signature field of the electronic document to obtain an authorized document with an added electronic signature. This method can determine the corresponding signature type based on the corresponding signature request and verify the electronic document using a verification algorithm of that signature type. It allows for flexible changes to the verification algorithm used for the electronic document, improving the flexibility of the document authorization process.

The utility model discloses an atomizer which comprises a shell, a protruding block is arranged on the top of the shell, a mounting cavity communicated with the interior of the shell is formed in the protruding block, and a liquid storage assembly is arranged in the shell. An atomization oscillation piece used for atomizing liquid from the liquid storage assembly is detachably and fixedly installed in the installation cavity or the shell, and a guide hole communicated with the installation cavity and used for guiding mist formed by the atomization oscillation piece is formed in the upper surface of the protruding block. The atomization oscillation piece is installed in the installation cavity protruding out of the top of the shell, so that water mist sprayed out of the atomization oscillation piece can be sprayed to a higher height, the spraying height is further increased through guiding of the guiding hole, the sprayed water mist can stay in air for a longer time and volatilizes in the air, and the water mist spraying effect is improved. Therefore, the problem that water mist falls onto a table top to form water drops is solved.

The utility model discloses a roller bearing with a self-lubricating structure, which comprises an inner ring, a plurality of annular and uniformly distributed rotors are movably sleeved in the inner ring, an outer ring is movably sleeved on the outer side of the rotors, a connecting sleeve is fixedly sleeved on the outer side of the outer ring, a sponge block is contacted in the connecting sleeve, and the sponge block is sleeved on the outer side of the outer ring. And the sponge block is fixedly connected with the outer ring. By designing contact between the sponge block and the sponge ring, the sponge block can absorb lubricating oil in the sponge ring, when the rotor rotates, the rotor can make contact with the sponge block, the rotor can extrude out the lubricating oil stored in the sponge block, and the lubricating oil can make contact with the rotor, so that the purpose of automatically lubricating the bearing is achieved, use is convenient, manual lubrication is not needed, and working efficiency is improved. Excessive lubricating oil on the surface of the rotor can be absorbed under the action of the moisture absorption block, the lubricating oil is prevented from dripping and leaking, and the moisture absorption block is in contact with the rotor and can assist in lubricating the rotor when the lubricating oil in the sponge block is insufficient.

The utility model provides an industrial wastewater denitrification device, which relates to the technical field of industrial wastewater denitrification and comprises a shell, the top of the left side of the shell is communicated with a water inlet pipe, and the bottom of the right side of the shell is communicated with a water discharge pipe. A servo motor is arranged and used for driving a threaded rod to rotate, then the threaded rod drives a fixing plate to move downwards, the fixing plate drives a movable frame to move downwards, the bottom of the movable frame generates pressure on a middle square pipe, and the middle square pipe is pressed downwards to move; the square pipes are arranged in the shell, so that the square pipes are always located on the same horizontal plane and move downwards together, the square pipes on the two sides are evenly unfolded in the guide direction of the telescopic rods under the guide effect of the guide grooves, the unfolded square pipes are evenly distributed in the shell, the uniform distribution degree of the denitrification agent sprayed by the nozzles is improved, and the denitrification effect is improved. Therefore, the distribution uniformity of the denitrification agent in the industrial wastewater is improved, and the denitrification effect of the denitrification agent on the industrial wastewater is improved.

This utility model discloses a quantitative mixing device for paint production additives, relating to the field of paint processing technology. It includes an additive storage tank and a quantitative screw. The quantitative screw for quantitatively conveying the additives is located at the bottom of the additive storage tank, and a hopper is also provided at the outer end of the quantitative screw. In this utility model, a motor drives the quantitative screw to rotate, thereby conveying the additives spirally. After the additives fall into the hopper, external air enters the three-way pipe through an air pipe, and then conveys the additives to the mixing tank through a conveying pipe, thus realizing the addition of additives. The circulation pump is turned on, and the ball valve on the circulation pipe is opened while the ball valve on the liquid delivery pipe is closed. The circulation pump draws paint from the bottom of the mixing tank and discharges it from the top of the mixing tank through the circulation pipe, thereby realizing the circulating mixing of the paint. Combined with the use of a stirrer, this helps improve the dispersibility of the additives, avoiding local agglomeration and uneven distribution, effectively improving the mixing efficiency of the paint.

The invention discloses a food mechanochemical inspection and testing equipment, which relates to the technical field of mechanochemical inspection equipment, and comprises a mounting base, a rotating adjustment component is mounted on the top of the mounting base, a synchronous adjustment component is mounted on the side end of the rotating adjustment component, and a detection data quantity display screen is mounted on the side end surface of the top wall of the mounting base. By cooperating with the synchronous adjustment component and the pretreatment detection component, it is possible to effectively perform inspections and tests with high precision and high sensitivity when detecting trace components or facing complex matrices, thereby ensuring the reliability of the detection results, realizing the synchronization and integration of material processing and detection, improving the adaptability and accuracy of sample processing, greatly improving the operating efficiency and detection accuracy, and with the cooperation of various detection components, realizing automatic switching and precise positioning of various detection modes, greatly expanding the detection range and depth, and further improving the accuracy of the detection data.

According to the injection type gas sampling device applied to the ion mobility spectrometry, a gas sample can be collected on line, then positive pressure sample introduction is conducted, and the influence of environment pressure and the pump state on a migration tube working in the positive pressure state is reduced. According to the device, by adjusting the rotating speed of the motor and the sampling and sampling frequency, the operation of adding, mixing, diluting or reacting samples can be realized in the working modes of sampling for multiple times and sampling for one time, sampling for one time and sampling for multiple times or sampling for multiple times and sampling for multiple times and the like, and more new ideas are provided for the application research of the ion mobility spectrometry. The device can effectively reduce adsorption and residue of samples through a heating system, and is suitable for sampling and sample introduction occasions of various gases such as environmental gases and food safety. The device performs gas sampling and sample introduction under the positive pressure working condition of the migration tube, and has the characteristics of simplicity in operation, few residues, high sampling efficiency, multiple sampling and sample introduction modes and the like.

The present invention relates to a saliva detection device and a detection method thereof, which belongs to the field of medical devices and solves the problem of time-consuming saliva detection in the prior art. The present invention includes a liquid introduction mechanism, an incubator, a test tube rack, a flip mechanism, a rotating boss and a rotating sub-boss, the rotating boss is installed at the bottom of the device, the rotating sub-boss is rotatably installed on the rotating boss, the test tube rack is arranged on the rotating sub-boss, the rotating sub-boss drives the test tube rack to rotate itself, and aligns with different infusion channels to introduce different liquids; then the test tube rack is rotated to the position of the incubator or the flip mechanism by the rotating boss, and after flipping by the flip mechanism, the mixed liquid is poured on the microplate, and the microplate is taken out for detection. The saliva detection device of the present invention integrates the collection, processing, storage and use of saliva, reduces the operation process of saliva detection, and realizes the automated processing of saliva detection.

The present invention belongs to the technical field of computer software, and discloses a method, system, intelligent terminal and storage medium for changing a data source. The method comprises: after receiving an operation instruction for a database, judging in real time whether the state of a data source has changed; when a change occurs, searching and connecting to a target database according to a data source identifier in a thread variable to operate the target database; after the operation on the target database is completed, deleting the data source identifier from the thread variable by using an interceptor, so as to identify the data source identifier newly written into the thread variable when executing the next operation instruction, thereby realizing real-time selection, addition and modification of a data source, and avoiding interference with the selection of a new data source when executing the next operation instruction.

The invention discloses moxa bath bag production equipment in the technical field of wormwood processing equipment.The moxa bath bag production equipment comprises a first stock bin and a second stock bin with arc-shaped outlets formed in the bottoms and further comprises a feeding bin surrounding the first stock bin and the second stock bin, the feeding bin is fixedly connected with the first stock bin and the second stock bin, and the feeding bin is rotationally connected with a rotating disc; the feeding bin is further fixedly provided with a motor for driving the rotating disc to rotate, the rotating disc seals the arc-shaped outlet, and feeding grooves alternately communicating with the arc-shaped outlets in the bottoms of the first stock bin and the second stock bin are further formed in the periphery of the rotating disc; a feeding hopper is fixedly arranged under the side, close to the first stock bin, of the feeding bin, the feeding hopper is telescopically connected and communicated with a feeding pipe, the feeding bin is fixedly provided with an air cylinder for driving the feeding pipe to move up and down, and the feeding pipe is provided with an opening part. According to the scheme, the auxiliary materials are added into the side bag through the feeding pipe, the main materials and the auxiliary materials are added oppositely and distributed, and therefore a user can take out the auxiliary materials in the side bag according to actual requirements and add the auxiliary materials into the main materials according to a self-determined proportion during use.

The invention discloses waste gas purification equipment for industrial equipment part production, and relates to the technical field of waste gas purification equipment for industrial equipment part production. The waste gas purification equipment for industrial equipment part production comprises a purification tank, a gas inlet pipe is fixed to the right side of the purification tank, and a gas outlet pipe is fixed to the top of the purification tank; a spraying device is arranged on the outer wall of the purification tank and comprises a water tank, a water pump, a water outlet pipe and a spraying pipe. According to the waste gas purification equipment for industrial equipment part production, when waste gas is treated and enters a purification tank from a gas inlet pipe, a motor is started, a rotating shaft can drive a separation plate to rotate, the separation plate can strike the entering waste gas, and therefore a large number of impurities in the waste gas can be struck and fall off; the waste gas is prevented from driving a large amount of solid impurities to be discharged upwards, and the problem that the waste gas containing a large amount of solid particle impurities is discharged upwards to cause blockage of the spraying pipe is solved.

The invention discloses an unattended quantitative electrode paste adding device for a submerged arc furnace and a using method, and relates to the technical field of self-roasting electrodes of submerged arc furnaces. The device comprises a bracket, a storage bin, a conveying mechanism and a distributing mechanism, the storage bin is fixedly connected into the support, the quantitative metering hopper and the material control assembly are arranged in the support, and the material conveying mechanism is arranged between the quantitative metering hopper and the material distributing mechanism. The quantitative metering hopper comprises a fixing frame and a quantitative barrel, the fixing frame is fixedly connected into the support, a fixing ring is fixedly connected to the exterior of the quantitative barrel, and a plurality of pressure sensors are fixedly connected to the top of the fixing frame. As materials in the quantitative barrel are continuously increased, when the pressure applied by the fixing ring to the pressure sensor reaches a set value, the controller controls the electric push rod to stretch out, so that the upper gate plate blocks the upper material control pipe, and meanwhile, the lower material control pipe is opened, quantitative material adding can be achieved, a large amount of paste added manually is prevented from rushing in, and the production efficiency is improved. The overhanging risk is caused.

The invention discloses a trace liquid adding device and method, and relates to the technical field of galvanization experiments. The device comprises a base, an annular horizontal rotating disc connected with a rotating disc driving mechanism is arranged on the base, and a first cup base and a second cup base are arranged on the horizontal rotating disc in the circumferential direction of the horizontal rotating disc; a supporting rod assembly installed on the base is arranged in a center hole of the horizontal rotating disc, a sample cylinder with a liquid outlet pipe at the lower bottom is fixedly installed on the upper portion of the supporting rod assembly through a supporting seat, and a liquid outlet of the liquid outlet pipe is located above the horizontal rotating disc. A liquid inlet pipe is obliquely arranged at the upper part of the sample cylinder, a cleaning pipe communicated with the liquid inlet pipe is arranged in the middle of the liquid inlet pipe, a liquid outlet valve is arranged on a liquid outlet pipe, and a liquid level sensor is arranged on an upper cover of the sample cylinder; a stirring mechanism which comprises a stirring motor and is connected with the stirring motor and positioned above the horizontal turntable is mounted outside the horizontal turntable through a first lifting mechanism. The liquid level sensor is arranged on the upper cover of the sample cylinder, the liquid level height in the sample cylinder can be detected, manual operation is not needed, and the liquid adding precision is improved.