58results about How to "Does not affect removal" patented technology

The invention discloses a process for processing mineral medicaments such as cinnabar, orpiment, native copper, magnetite, and reddle, especially the method for dissolving and removing hazardous materials in the medicaments, which comprises processing the minerals with bacteria, dissolving the minerals insoluble to water into aqueous solutions under the action of bacteria, then removing unwanted ions in the solution through chemical or physical methods.

The invention relates to a stepwise removing method of phosphate and sulfate radicals in iron phosphate wastewater. The method comprises the following steps of: (1) adding alkali liquor to the iron phosphate wastewater to adjust the pH (potential of Hydrogen) value to 4-11; (2) adding iron sulfate to carry out precipitation reaction; (3) adding the alkali liquor again to adjust the pH value to 3-9; (4) adding a flocculating agent, stirring and standing to obtain a filtrate and an iron phosphate-containing solid via solid-liquid separation; and (5) adding calcium hydroxide to the filtrate obtained in the step (4) and carrying out the precipitation reaction to obtain filtrate and a calcium sulfate-containing solid via the solid-liquid separation, wherein the alkali liquor comprises any one or a combination of at least two of sodium hydroxide, potassium hydroxide or ammonia water. The method has the advantages that the phosphate and sulfate radicals are separately removed, the calcium sulfate is recovered and the resource utilization degree is higher than that of the prior art; and in the final effluent, the content of the phosphate radical is less than 0.5 g / L and the content of thesulfate radical is less than 1.5 g / L.

The invention relates to a winding machine for winding a plurality of continuously fed threads (10) onto bobbins (6), having winding spindles (7.1, 7.2) which are mounted on a housing side (21) on one side and having a substantially stationary thread transfer device (3). The thread transfer device is held by a carrier (2) which extends from the housing side (21) as far as a cantilevered side (22) and is supported on the housing (1). In order to improve the static and dynamic rigidity of the cantilevered carrier of the thread transfer device, said carrier is supported vertically according to the invention at its cantilevered end on the cantilevered side.

The invention provides a kind of fly ash bottom feeding circular fluidized-bed combustion method and the device, the method is: uses fly ash collector to collect the fly ash with high content in smoke, the fly ash are put into the back material controller through vertical pipe, then and they are carried to the return pipe through transmitting and ejector, and they are returned to the thick phase area of bed through bottom feeding spraying muzzle which is high temperature resisting and corrosion resisting. The device is: it is made up of fly ash collector, back material controller, gas transmitting ejector and the combustion furnace. The top of the combustion furnace connects with the inlet of fly ash collector, the fly ash through the fly ash collector outlet, are carried to the thick phase area of combustion furnace through the bottom feeding sprayer with gas transmitting ejector. The invention can enhance the combustion effect of the fly ash; it can save energy and protect the environment.

The invention relates to the technical field of soil sampling devices, in particular to a sampling device for soil environment detection. The sampling device comprises a sampling mechanism, the sampling mechanism comprises an inner sampling cylinder, an outer sampling cylinder and a fixing plate, the outer sampling cylinder is installed on a top plate, and the top plate is provided with a supporting mechanism used for grabbing the ground, a limiting guide mechanism used for righting the outer sampling cylinder, a driving mechanism used for driving the outer sampling cylinder to rotate up and down and a walking mechanism used for overall movement of the sampling device. According to the sampling device for soil environment detection, due to the arrangement mode of the inner sampling cylinder and the outer sampling cylinder, the sampling mechanism is higher in strength and not prone to damage; after sampling is completed, soil of soil layers with different depths can be rapidly separated; the sampling mechanism is convenient and fast to assemble, and the sampling mechanism is also very fast to install in the sampling device; and the sampling device is integrally stored and managed after being used, and parts are not easy to lose.

The invention relates to an ophthalmostat for all-femtosecond SMILE (small incision lenticule extraction) surgery. The ophthalmostat comprises a handle, a connecting rod and a fixing ring. The handle comprises a handheld part coaxially made; one end of the handle is obliquely fixed to one side of the fixing ring through the connecting rod; a circular plane of the fixing ring is oblique to the handle; center lines of the handle, the connecting rod and the fixing ring are coplanar. The ophthalmostat can effectively immobilize an eyeball during separation of the corneal stroma lens, allowing surgeons to conveniently operate by both hands in cooperation; a certain acting point can be given to the hand separating the lens, along the radial line of the eyeball; the separation is made smoother and more effective; handle is clearer; success rate of complete extraction of the corneal stroma lens can be increased, and surgical complications such as lens residue and fracture are decreased.

The invention discloses a medical vertebral arch pedicle renovating screw assembly which comprises a screw sheath and a screw which are mutually matched, wherein the screw sheath has certain mechanical strength and toughness, and the medical absorbable material can effectively maintain the mechanical strength for 2 to 3 months in vivo; the screw sheath is divided into a head end and a sheath body;the head end is a cone with a sealed front end, and the sheath body is a cylinder; external threads are arranged on the outer surface of the cylinder, and a longitudinally extended triangular prism-shaped cavity is arranged in the cylinder; the cylinder is divided into three side walls by the cavity, and internal threads are designed on the inner wall of the cavity; the screw is made of medical titanium alloy and comprises a thread section and a tail part; the thread section is formed by connecting a screw tip and a screw body, and both the screw tip and the screw body are in external threaddesign; the tail part is provided with a radially communicated U-shaped groove, and internal threads are arranged on the inner wall of the U-shaped groove. The invention can improve the internal fixation stability and reliability of the spinal column in a renovating operation or the secondary screw arranging process, reduce the occurring rate of vertebral arch pedicle screw loosening and even separation and lower the failure rate of operations.

The invention relates to an efficient metal rust remover. The efficient metal rust remover is characterized by being composed of, by weight, 45-60 parts of hydrochloric acid, 4-5 parts of phosphoric acid, 0.4-0.6 part of hexamine, 0.4-0.6 part of lauryl sodium sulfate, 0.15-0.4 part of triethanolamine, 0.4-0.6 part of citric acid, 0.5-1.2 parts of oleic acid, 0.8-1.6 parts of oxalic acid, 3-6 parts of urotropin, 6-10 parts of fatty alcohol-polyoxyethylene ether, and 20-70 parts of water. The efficient metal rust remover is capable of removing rust efficiently and rapidly, does not burn or explode, is not volatile, and is low in substrate corrosion and price and convenient to use.

The invention provides a method for removing pigment and barbaloin in aloe barbadensis juice, wherein the clean aloe barbadensis leaves are peeled, ground to squeeze juice, and sterilized for 4-6 seconds at the temperature of 80-95 DEG C to obtain the aloe barbadensis juice, pectinase is added into the aloe barbadensis juice for enzymolysis for 40-60 minutes at the temperature of 50-55 DEG C, the aloe barbadensis juice is filtered, sterilized for 4-6 seconds at the temperature of 120-125 DEG C, and cooled to the room temperature, the aloe barbadensis crude juice passes through macroporous anion resin, the contact time of the aloe barbadensis crude juice and the macroporous anion resin is controlled between 20-25 minutes, so the aloe barbadensis juice which is removed with the pigment and the barbaloin is obtained. The method has the advantages of easiness for control, high removing rate, improved aloe barbadensis juice color and absorbance; the adopted resin can be recycled, so the environmental pollution is reduced, and the production cost is lowered; and the contact time is short, the nutritional ingredients of an aloe barbadensis product are not influenced, and the product quality can be improved.

The invention provides a semiconductor technology method and a semiconductor structure, and the method comprises the steps: supplying a semiconductor substrate; forming an N-type field-effect transistor and a P-type field-effect transistor on the semiconductor substrate; forming a first protection layer on the surfaces of the N-type and P-type field-effect transistors; carrying out the operations of ion implantation and peak annealing for the first protection layer, thereby forming a second protection layer; carrying out selective etching for the second protection layer of the P-type field-effect transistor and the semiconductor substrate, thereby forming a drain groove and a source groove; growing a semi-conductor alloy layer in the drain groove and the source groove; and eliminating the second protection layer. In the invention, the deposition of the semi-conductor alloy layer on the second protection layer is inhibited, a growth technology window of the semi-conductor alloy layer is enlarged, and the performance of a device is improved.

The invention discloses an automatic angle wrapping machine for a plate. The automatic angle wrapping machine for the plate comprises a base plate and at least one assembly of a stock bin and rotary folding and pressing devices, a grabbing device grabs wrapping materials from the stock bins to the rotary folding and pressing devices, the rotary folding and pressing devices are driven by a slidingplatform to move to the position of the packaged plate, folding and pressing plate assemblies control corresponding folding and pressing plates to rotate by different angles through rotary electromagnets, the wrapping materials are wrapped by the rotary folding and pressing plates so as to be folded to corresponding angles, and fold angles of the plate are completely wrapped by the wrapping materials after the wrapping materials are folded for many times so as to complete automatic packaging of the plate. The automatic angle wrapping machine for the plate has the advantages that packaging of the plate can be automatically completed, and therefore the number of operations is reduced, and the working efficiency can be improved.

The invention discloses a coupled type waste water treatment device which comprises a biological aerated filter (7) and a catalytic ozonation tower (14) .The biological aerated filter (7) is in a downward flow mode, and sequentially comprises a first water inlet area (21), a first filler area (22) and a first water outlet area (23) from top to bottom .The catalytic ozonation tower (14) is a sealed tower, and sequentially comprises a second water inlet area (26), a second filler area (27) and a second water outlet area (28) from top to bottom .The sewage deep treatment technology is provided aiming at the urgent technical demand of petrochemical sewage plants in China for upgrading and reconstruction, phosphorus and organic matter can be removed at the same time, and the two units can be coupled.

Changing temperature and time for firming film of photoresist obtains better adhesive force between photoresist and base plate of glass. Thus, etching procedure can be carried out in alkali solution, and etching procedure is easy to be controlled, as well as undercutting phenomenon is overcome effectively so as to raise display quality of flat panel display device. The invention is simple, and can prepare metal electrodes in flat panel display without need of dedicated photoresist.

The invention relates to the technical field of pipe cleaning valves, and discloses a vibration resistant type pipe cleaning valve. The valve comprises a shell, and a ball body arranged in the shell;an inlet channel is formed in the ball body, an outlet channel is coaxially arranged at the position, corresponding to the inlet channel, of the ball body, the diameter of the outlet channel is smaller than the diameter of the inlet channel, an inlet and outlet channel is vertically formed in the bottom of the ball body, a discharge opening is formed in the position, corresponding to the inlet andoutlet channel, of the bottom of the shell, a flange assembly is arranged at the position corresponding to the discharge opening, a plunger column matched with the inlet and outlet channel is arranged in the inlet and outlet channel, and can seal the inlet and outlet channel, the lower end of the plunger column is fixedly connected with a rod body, and the lower end of the rod body extends out ofthe flange assembly downwards. A valve base is arranged outside the inlet channel and the outlet channel of the ball body in abutting joint manner, and the other end of the valve base is in abut joint with the shell. The vibration resistant type pipe cleaning valve can avoid material remaining, vibration caused by turbulent flow is avoided, and taking and putting of the pipe cleaning device are not affected; and the valve is simple in structure, stable in work and easy and convenient to operate.

The invention provides an MBR (Membrane Bioreactor) membrane pollution control method based on microbial quorum sensing quenching. The method comprises the following steps: (1) immobilizing quorum sensing quenching bacterium thalli by using an immobilized high polymer material to obtain immobilized quorum sensing quenching bacteria; and (2) putting the immobilized quorum sensing quenching bacteriainto a pretreatment tank in front of an MBR reaction tank, and intercepting the immobilized quorum sensing quenching bacteria in the pretreatment tank, wherein the quorum sensing quenching bacteria can degrade acyl homoserine lactone. According to the invention, the input of signal molecules entering the MBR reaction tank can be effectively reduced, the control effect on MBR membrane pollution isobvious, and the period of MBR membrane pollution is increased by 100-200%. The defect that the number of immobilized quorum sensing quenching bacteria needs to be strictly controlled in in-situ QQ is overcome, and the performance of the quorum sensing quenching bacteria and control over membrane pollution can be fully exerted. The method is simple in operation process and convenient for application of a sewage treatment plant.

The invention discloses a blood vessel tail artifact removal method and system based on blood flow signal intensity layered filtering. The method comprises the following steps: collecting OCT scattered signals in a three-dimensional space from a biological tissue sample through a signal acquisition method; combining a blood flow signal intensity calculation method with the intensity of an OCT scattered signal and decorrelation to represent the intensity of the blood flow signal; enabling the blood flow signal intensity to be subjected to layered comparison in the depth direction through a layered filtering method for the blood flow signal intensity, and removing artifacts at the tail of the blood vessel. According to the method, the distinction degree between the blood vessel signal and the blood vessel tail artifact signal can be improved, the blood vessel tail artifacts are effectively removed, and meanwhile the capacity of recovering the shape of the blood vessel shielded by the artifacts is achieved.

A placement structure for getter of double-vacuum layer glass is characterized in that openings are formed in upper glass and middle glass of vacuum glass to serve as exhaust openings, two seal grooves are formed in the upper surfaces of the upper glass and the middle glass respectively, and surround the respective exhaust openings; seal covers are arranged on the seal grooves, and the edges of the seal covers are inserted into the seal grooves respectively; after edge sealing for the glass, the getter is placed into the exhaust openings, the exhaust openings are covered with the seal covers, and metal solder is placed inside the seal grooves or on the seal covers; then vacuumizing and heating are performed on a vacuum heating furnace, so that the getter can be activated automatically under the high-temperature and high-vacuum condition, and meanwhile, the metal solder is molten to be liquid due to the high temperature; the liquid is stored in the seal grooves, and the edges of the seal covers are immersed in the liquid, so that the exhaust openings are automatically sealed and the getter is sealed in the vacuum layers by utilizing the liquid sealing principle; after the liquid is solidified due to temperature drop, the airtight sealing is realized. With adoption of the method disclosed by the invention, batch production can be realized, production efficiency and qualification rate of the vacuum glass can be greatly improved, and production cost is lowered.

The invention discloses a clothes hanger, a clothes folding machine and a control method of the clothes folding machine. The clothes hanger comprises a main body; telescopic clothes supporting arms are symmetrically arranged on the main body; the clothes hanger is further provided with a trigger rod and a restoring mechanism with restoring force; the restoring mechanism is connected with the clothes supporting arms through connecting pieces; and the trigger rod can release the restoring force of the restoring mechanism to drive the clothes supporting arms to contract. The invention further relates to a clothes folding machine and a control method thereof. The clothes folding machine comprises the above clothes hanger. The clothes supporting arms of the clothes hanger can support or releaseclothes through the retractility of the clothes supporting arms without affecting taking down of the clothes. A limiting structure is arranged and matched with the clothes folding machine to achievecontrol of the clothes hanger, and the clothes hanger is simple in structure and easy to achieve. The clothes supporting arms can be completely contracted or partially contracted, so that clothes of different sizes can be supported. The clothes folding machine has a high automation degree.

The invention discloses a sealing structure of a dual-vacuum-layer glass getter. The sealing structure is characterized in that upper glass and middle glass of vacuum glass are drilled with a circular hole for serving as an extraction opening; a circular tube is inserted into each extraction opening respectively; the upper parts of the circular tubes are welded together with the glass; the lower parts of the circular tubes are turned up, thereby forming sealing grooves; sealing covers are arranged on the upper parts of the sealing grooves; the edges of the sealing covers are inserted into the sealing grooves; after the edges of the glass are sealed, the getter is put into the extraction openings, and the sealing covers are covered; a metal solder is put into the sealing grooves or on the sealing covers; the extraction openings are vacuumized and heated; the getter is automatically activated at a high temperature in vacuum; meanwhile, the metal solder is molten into liquid at a high temperature, and the liquid is left in the sealing grooves; the edges of the sealing covers are submerged in the liquid; the extraction openings are automatically sealed by using a liquid sealing principle; and the getter is sealed in vacuum layers. Through adoption of a method for manufacturing the sealing structure, mass production can be realized; the production efficiency and yield of the vacuum glass can be increased greatly; and the production cost is reduced.

The invention belongs to the technical field of sewage treatment, and particularly relates to a heavy metal sewage treatment system. The heavy metal sewage treatment system comprises a regulation andcontrol auxiliary system, a primary treatment unit, a secondary treatment unit and an effluent safety guarantee unit, and the primary treatment unit, the secondary treatment unit and the effluent safety guarantee unit are connected in sequence. Meanwhile, the invention also provides a method for treating heavy metal sewage by adopting the system. By utilizing the system and the process, the characteristics and advantages of reagents can be fully exerted; the problem that different heavy metals need different precipitation pH values is solved, the process is concise and clear, a new structure is not needed, removal of other pollutants is not affected, the matching degree with a built sewage treatment process is high, dosing control in the process and method is automatically controlled in aPLC mode, and the comprehensive operation cost is effectively reduced.

The invention discloses a polarizer removing device of a patched mobile phone screen. The device comprises an upper base, a lower base, vertical supporting walls and two rows of conveying vertical roller tubes, both upper and lower rectangular grooves are formed in the vertical supporting walls, hollow polarizer removing absorbing rollers are arranged between the vertical supporting walls, the twoends of each of the polarizer removing absorbing roller are provided with a limiting roller column and a transverse rotary shaft, the transverse rotary shaft is sleeved with a sleeve tube, the bottoms of the rectangular through grooves are fixedly provided with U-shaped limiting seats, the transverse rotary shaft and the sleeve tube are arranged in the U-shaped limiting seats, springs are arranged between the sleeve tubes and the upper inner walls of the rectangular through grooves, long-strip-shaped vent holes are formed in the limiting roller columns and the axial centers of the transverserotary shafts, long-strip-shaped hollow air pies are arranged in long-strip-shaped vent holes, a vacuum machine is communicated with the long-strip-shaped vent holes, stepping motors are arranged on the lower base and the upper base, and belt wheels on the stepping motors are connected with left side belt wheels of the polarizer removing absorbing rollers through elastic belts. By means of the device, polarizers on the two faces of a screen of a discarded mobile phone can be removed, and therefore the screen of the mobile phone can be reused.

The invention discloses rainproof traditional Chinese medicine airing and drying equipment. The rainproof traditional Chinese medicine airing and drying equipment comprises a frame, wherein an induction groove is formed in the upper end of the frame; a raindrop sensor is arranged in the induction groove; a mounting groove is formed in the lower end of the induction groove; a main control panel isarranged in the mounting groove and is electrically connected with the raindrop sensor; an airing frame is arranged in the middle of the frame; a drying frame is arranged on the lower side of the airing frame; a lifting mechanism is arranged at the right end of the frame; the right end of the airing frame is connected with the lifting mechanism; a rain shielding mechanism which is conveniently folded is arranged at the rear end of the frame; a driving mechanism for unfolding the rain shielding mechanism is arranged at the left end of the frame; and a folding mechanism capable of folding the drying frame is arranged at the lower end of the frame; and dryers are arranged at two ends of the frame respectively. The rainproof traditional Chinese medicine airing and drying equipment has the following beneficial effects: the lifting mechanism is used for controlling the airing frame to rise and fall; the raised airing frame is more beneficial to airing of traditional Chinese medicines; and the airing frame can be descended to take shelter from rain in a case of sudden rainy day so as to prevent the traditional Chinese medicines from being wetted.

The invention relates to a medical antibacterial elevator panel auxiliary control device. The medical antibacterial elevator panel auxiliary control device comprises a disinfection bottle, a bearing plate and a control panel, wherein control units are arranged on the control panel; each control unit is aligned and matched with one key on an elevator panel; the control units comprise transmission pressing keys, suction cylinders and piston connecting pieces; the transmission pressing keys are matched and opposite to the keys on the elevator panel; when the transmission pressing keys are pressed, the transmission pressing keys can move corresponding to the control panel, and press and trigger the corresponding keys on the elevator panel; the suction cylinders further comprise one-way liquidinlet switches and antibacterial nozzles; the one-way liquid inlet switches communicate with suction cavities and guide cavities; liquid spraying directions of the antibacterial nozzles are towards the transmission pressing keys; and after users finish pressing, return pieces reversely pull back piston ends, and the piston ends reversely slide in the suction cylinders. The device can quickly and conveniently update elevators, can timely disinfect the keys after pressing use each time, and effectively reduces bacterial propagation.

The invention relates to automatic polishing equipment, and belongs to the technical field of polishing. The automatic polishing equipment comprises a working platform, a mounting bracket, a polishing seat, detection platforms and a clamping mechanism, supporting legs are welded at the bottom of the working platform, and the height of the supporting legs is 1.2-1.5 M. The automatic polishing equipment is suitable for most of workers in China, so that a worker can place a part needing to be polished on the working platform to be polished without bending down, the situation that the worker bends down for a long time to affect health is avoided, the mounting bracket is welded to the top of the working platform through a reinforcing frame, the polishing seat is fixedly arranged in the center of the mounting bracket, a polishing structure is mounted in the polishing seat, basic functions of the equipment are achieved, multiple polishing modes are achieved, different production requirements are met, intelligent cameras are fixedly mounted on the two sides of the mounting bracket, the two detection platforms are mounted on the two sides of the top of the working platform through rotating bases correspondingly, and the equipment is high in automation degree, easy to operate, good in polishing effect, diversified in polishing mode, little in flying dust, and high in functionality.

The invention discloses a rapid extraction tool for nucleic acid in a nasopharyngeal swab sample and a using method thereof, and relates to the technical field of nucleic acid detection. The rapid extraction tool and the using method aim to solve the problems that in the prior art, a sampling tool and a collection tool for nasopharyngeal swabs are two independent parts, certain inconvenience exists in use, and external infection is prone to occurrence due to insufficient sealing in the sampling and storage process. The rapid extraction tool is characterized in that an abrasive belt is arrangedin a first storage box, a first connecting ring is arranged in the first storage box, a second connecting ring is arranged at the lower end of the first connecting ring, a second storage box is arranged in the second connecting ring, an insertion card is arranged in the second storage box, a test rod is arranged in the first storage box, a sampling head is arranged at the upper end of the test rod, a rubber layer is arranged in the first connecting ring, an opening is formed in the rubber layer, and the opening is connected with the upper end of the test rod in a clamped mode.

The invention relate to a rust remover capable of improving metal corrosion resistance. The rust remover is characterized by being prepared from, by weight, 45-60 parts of hydrochloric acid, 4-5 parts of phosphoric acid, 0.4-0.6 part of hexamethylenetetramine, 0.4-0.6 part of lauryl sodium sulfate, 0.15-0.4 part of triethanolamine, 0.4-0.6 part of citric acid, 0.5-1.2 parts of oleic acid, 0.8-1.6 parts of oxalic acid, 0.4-0.6 part of zinc sulfate, 0.1-0.5 part of aluminum sulfate, 0.2-0.4 part of aluminum sulfate and 20-70 parts of water. Zinc sulfate and other solid raw materials are added, the corrosion-resistant period of metal obtained after rust removal is at least doubled compared with that of original metal, rust can be efficiently and rapidly removed, no inflaming or blasting is caused, no volatilization is caused, corrosion to a base material is low, the price is low, and use is convenient.

The invention belongs to the field of textiles, and relates to the antibacterial field, in particular to an antibacterial magic headwear. The antibacterial magic headwear comprises a polyester fabriclayer. The polyester fabric layer is formed by weaving polyester fiber, and the polyester fabric layer is coated with a silver ion polymer thin film layer. By means of the antibacterial magic headwear, the problem that a headwear is not sufficient in functionality is solved; since a silver ion polymer is attached into the polyester fabric layer to form an adhering structure, the headwear is endowed with antibacterial performance; and meanwhile, on the basis of the slow release performance of the silver ion polymer, the antibacterial service life is prolonged, and the antibacterial effect is improved.

The invention discloses a sampling bottle for a water quality sampler and the water quality sampler, and belongs to the technical field of water quality detection. The sampling bottle is used for storing a sample solution collected by the water quality sampler, and comprises a bottle body and a sealing part arranged on the inner side of a bottle opening of the bottle body, and the bottle opening is arranged at the sealing part in a sealed manner; deforming water holes are formed at the sealing part, and / or deforming water holes are formed between sealing part and inner wall of the bottle body;the sealing part is used for enlarging the deforming water holes after elastic deformation under water flow pressure of the sample solution, and shrinking the deforming water holes under elastic recovery after water flow passes, so that the sample solution in the sampling bottle is prevented from volatilizing. According to the sampling bottle, under the condition of no manual intervention, any external force or interference of other parts, the bottle opening of the sampling bottle is automatically opened and closed in the whole process, and volatilization of the sample solution and the icingamount in a refrigerating chamber are greatly reduced.

The invention relates to an electroplating tank for alkaline zinc-plated electroplating liquid high in purity. The electroplating tank comprises a main electroplating tank body, a zinc dissolving tank body connected with the main electroplating tank body through a filtering machine, and an electrolysis cathode vertically arranged on the side wall of the zinc dissolving tank body. The electroplating tank has the advantages that the concentration of zinc ions in the plating liquid can be controlled flexibly by adjusting the height of a telescopic pull rod and controlling the number of zinc balls immersed in the liquid, and therefore the stability of the plating liquid is ensured; the electrolysis cathode in the zinc dissolving tank body can effectively remove metal ion impurities in the electroplating liquid, and therefore the purity of the plating liquid is ensured; the electrolysis cathode is an oval mesh-like roller, the peripheral space is large, and therefore high potential impurities can be effectively removed; a middle ring can remove metal ions like galvanized iron, an inner ring can remove copper ions, in this way, the impurities are classified and removed, and the process of removing the impurities can be more effective; energizing current of the electrolysis cathode is low, and therefore the impurities can be removed without influencing electroplating.