134results about How to "Uniform concentration" patented technology

The invention belongs to the technical field of plant cultivation and seedling raising, and particularly relates to a sand plant cultivation and seedling raising device which comprises a greenhouse body and a seedling raising bed, a U-shaped water receiving tank is fixedly mounted at the top of the outer side wall of the greenhouse body, and the bottom of the U-shaped water receiving tank is communicated with a water leakage pipe; a self-cleaning rainwater rough filtration mechanism is fixedly mounted on the outer side wall of the greenhouse main body, and a water and fertilizer integrated irrigation mechanism is fixedly arranged in the greenhouse main body; through an efficient rainwater collecting and filtering system and water and fertilizer integrated control, the utilization efficiency of water resources and fertilizers is improved, the self-cleaning function is achieved, blockage of a coarse filter screen is avoided, it is ensured that the rainwater collecting efficiency is stable, regular cleaning by personnel is not needed, and the labor cost is saved; extra energy consumption is not needed, the energy consumption is reduced, automatic mixing of the fertilizer and water can be realized, and the water and fertilizer integration efficiency is improved.

The invention belongs to the technical field of bioengineering related equipment, and particularly discloses a bioengineering carbon dioxide incubator which comprises an incubator body, a mounting cavity is formed in the surface of the incubator body, and an incubator door used for shielding the mounting cavity is arranged on the surface of the incubator body; by arranging the gas injection module, carbon dioxide guided into the containing cavity can be fully mixed, it is guaranteed that the concentration of the carbon dioxide in the injected mixed gas is balanced, meanwhile, gas flowing in the box body is enhanced, and it is guaranteed that the concentration of the carbon dioxide in the containing cavity always meets the culture conditions of biological tissue; a good environment is provided for culture of biological tissues, and a second detector, a guide shell, an exhaust pipe and a branch pipe are utilized, so that the carbon dioxide concentration of gas entering the guide shell can be further detected through the second detector; the gas meeting the concentration requirement can be guided back into the containing box to be reused, gas flowing in the containing box is enhanced, and the situation of carbon dioxide deposition is avoided.

The present invention relates to the technical field of carbon dioxide capture, and discloses a carbon dioxide capture device, including a capture tank, and an air intake hood fixedly mounted on the front and rear side walls of the capture tank, an air intake fan fixedly mounted on the side wall of the air intake hood, the inner cavity of the capture tank is filled with ammonia liquid, and also includes a threaded rod, the threaded rod is rotatably mounted on the inner cavity side wall of the capture tank, and a movable seat is threadedly mounted in the middle of the side wall of the threaded rod; a mixing component, the mixing component is arranged on the side wall of the movable seat; a driving component, the driving component is arranged on the front side wall of the capture tank; and a liquid dosing component is arranged on the rear side wall of the capture tank. The invention achieves sufficient mixing and stirring of the ammonia liquid in the capture tank through the cooperation of the mixing component and the driving component, so as to ensure the balance of the ammonia concentration in various places in the capture tank, thereby effectively improving the efficiency and quality of the entire device in absorbing carbon dioxide in the air.

The invention discloses an aluminum-scandium alloy and a preparation method and application thereof, and belongs to the technical field of rare earth alloy sputtering target materials, metal aluminum particles and metal scandium particles are used as raw materials, high vacuum is extracted, inert gas is introduced for multiple times of electric arc melting, aluminum-scandium alloy melt with uniform components is obtained, and after the aluminum-scandium alloy melt is cooled, the aluminum-scandium alloy is obtained. The method comprises the following steps: preparing an aluminum-scandium alloy ingot, carrying out induction heating on the aluminum-scandium alloy ingot prepared by electric arc melting to completely melt the alloy so as to obtain an alloy melt, guiding the alloy melt to be injected into a mold through an argon pressure difference, naturally cooling to form a primary alloy, and carrying out homogenizing annealing on the primary alloy under a vacuum condition to obtain the aluminum-scandium alloy. And eliminating the residual internal stress of the primary alloy to obtain the aluminum-scandium alloy. The aluminum-scandium alloy prepared through the method is low in oxygen content, high in density, fine in crystal grain, uniform in structure and good in machining performance.

The invention relates to the field of preparation of acrylate rubber, and discloses a preparation method of acrylate rubber, the acrylate rubber and application of the acrylate rubber. The preparation method comprises the following steps: S1, contacting a polymeric monomer and an aqueous solution of an emulsifier in a loop reactor for emulsification, and then adding an initiator and ethylene for polymerization reaction to obtain an acrylate rubber emulsion; wherein the polymeric monomer is an acrylate monomer and / or a monomer with a crosslinking active group; the temperature of the polymerization reaction is 10 to 90 DEG C, and the pressure of the polymerization reaction is 0.1 to 2.5 MPa; s2, the acrylate rubber emulsion is led out from the top of the loop reactor and then subjected to steam stripping, condensation, demulsification, water washing and drying treatment, and the acrylate rubber is obtained. According to the preparation method of the acrylate rubber, the ethylene unit is introduced into the acrylate rubber on the premise that the temperature and the pressure are not too high, so that the performance of the product is improved, and the production cost is reduced.

The utility model relates to the technical field of adhesion performance test platforms, and discloses a viscose product adhesion performance test platform which comprises an operation table and a connecting block, a lifting box is installed on the rear portion of the upper end of the operation table, a sliding groove is formed in the middle of the front end wall of the lifting box, a driving motor is installed at the inner bottom end of the lifting box, and a test plate is installed at the lower end of the connecting block. The lower end of the tension sensor penetrates through the connecting block and is connected with the test plate, a detection box is installed in the middle of the upper end of the operation table, and a baffle is installed on the right side wall of the operation table; the two motors are started, the motors drive the stirring blades to rotate through the motor shafts, the viscose products are stirred evenly, it is guaranteed that the concentration of the viscose products is even, the heater is started, the viscose products are heated to different temperatures for adhesion performance testing, experimental data are richer and more comprehensive, and the collected data are high in accuracy and small in error.

The present invention discloses a device and method for treating phosphorus-containing wastewater and recovering phosphorus resources by an iron-air battery. The positive and negative electrodes respectively use a low-cost iron electrode and an air electrode. Wastewater containing phosphate is added to the anode chamber, and a sodium chloride solution is added to the cathode chamber as an electrolyte; the negative and positive chambers are separated by a proton exchange membrane and connected by an external wire. The potential difference causes the iron anode to lose electrons, and the generated ferrous ions react with the phosphate in the anode liquid to generate blue iron ore; the electrons reach the air electrode via an external wire, and the oxygen in the air reacts with the electrons received by the cathode to generate water; the protons inside the battery move through the proton exchange membrane to form a loop, and an open circuit voltage of 1.2V can be generated in the external circuit. The present invention uses the ferrous ions generated in situ by the iron electrode as a dephosphorizing agent, and without introducing other impurity ions, it realizes wastewater dephosphorization, and can also recover phosphorus resources and electric energy in the wastewater.

The utility model belongs to the technical field of forest disease and pest control, and particularly relates to a forest disease and pest control spraying device which comprises a straight pipe, a piston plate is slidably mounted in the straight pipe, a connecting rod is mounted on the top side of the piston plate, a threaded rod is rotatably mounted on the bottom side of a mounting frame, and a worm gear is mounted on the outer side of the bottom end of the threaded rod. A guide rod is mounted on the top side of the mounting frame, and a worm is mounted on the outer side of the rotating shaft; a servo motor is started, a rotating shaft at the output end of the servo motor drives a worm to rotate, rotation of the worm drives a worm gear to rotate, then a threaded rod rotates, a connecting rod vertically ascends and descends along a guide rod, the connecting rod drives a piston plate to synchronously ascend and descend in a straight pipe, if a forest tree is high, the threaded rod drives the piston plate to ascend, the spraying coverage range of a spraying nozzle is enlarged, and the forest tree is short; the piston plate descends, the spraying area is reduced, the spraying height is accurately adjusted, liquid medicine is intensively sprayed to forest tree parts needing prevention and control, and waste of the liquid medicine is reduced.

The application discloses a solid oxide cell isolation layer and a single cell and a preparation method. A solid oxide cell electrolyte is immersed in an aqueous solution, reacts for a certain time at a certain temperature to form an isolation layer, an electrode is prepared on the surface of the isolation layer by using a screen printing method, and then co-sintering is performed to form a single cell. The isolation layer prepared by the application can effectively inhibit the chemical reaction and element diffusion of the electrode / electrolyte interface, prevent the mutual reaction of the electrode and the electrolyte, and has the advantages of simple process flow, low cost, controllable composition and thickness, easy scale production, and suitability for various configurations of solid oxide cells.

The invention discloses a portable anesthetic gas mixing device, and belongs to the technical field of medical instruments. The anesthetic gas mixing device comprises a box body, an oxygen bottle, an anesthetic gas bottle and a converging pipe, wherein the oxygen bottle and the anesthetic gas bottle are arranged in the box body; the converging pipe is communicated with the oxygen bottle and the anesthetic gas bottle and penetrates through the box body; the gas conveying pipe is connected with the oxygen bottle and the anesthetic gas bottle far away from the afflux pipe; and the oxygen mask is fixedly connected with one end, far away from the afflux pipe, of the gas conveying pipe. According to the portable anesthetic gas mixing device, the flow of oxygen and anesthetic gas can be controlled by arranging the regulator, so that the oxygen and the anesthetic gas can be preliminarily mixed in the balloon and then further mixed through the mixer, and the gas mixing efficiency and effect are improved; meanwhile, the piston assembly can be synchronously used for inflating the air bag, so that the oxygen mask is tightly attached to the face of the patient, discharge and waste of anesthetic gas are reduced, and the anesthetic effect is ensured.

The present invention discloses a chemical vapor deposition furnace, comprising a furnace body, a deposition chamber is arranged in the furnace body, the top of the deposition chamber is connected to a vacuum pipeline, the bottom of the deposition chamber is arranged on a crucible cover, a raw material crucible is arranged at the bottom of the crucible cover, and a gas introduction device is also arranged on the surface of the crucible cover corresponding to the deposition chamber; the gas introduction device comprises a plurality of gas boxes arranged in parallel, a plurality of gas nozzles are arranged on the gas box, two adjacent gas boxes are respectively connected to the raw material crucible and the mixed raw material gas inlet channel, the raw material crucible is also connected to the carrier gas inlet channel, and a gas distribution plate is arranged in the gas box. The present invention can significantly improve the uniformity of the raw material ratio of the deposition space, and it is easier to deposit and obtain a product with a larger area and uniform thickness.

The present application relates to the technical field of ozone compression, and in particular to a high-purity ozone concentration process and device for cleaning and etching of semiconductor materials, which includes the following steps: gas compression: compressing the gas to form a pressurized initial gas; adsorption separation: passing the pressurized initial gas into the ozone concentration device, and balancing the concentration of the pressurized initial gas, setting two layers of adsorbent to jointly adsorb ozone, and during adsorption, adjusting the relative positions of the two layers of adsorbent, changing the gas flushing position, and forming a combination of fixed adsorption and flow adsorption; desorption: separating ozone and compressing to form high-purity ozone concentrated gas; wherein the device includes: a tower body, an adsorbent layer, an air inlet pipe for gas supply, an exhaust pipe for exhaust, a sealing plate sliding in the air inlet pipe for adjusting the air supply of the air inlet pipe, a sliding mechanism for driving the sealing plate to slide, and an exhaust module for separating and desorbing ozone. The present application has the effect of reducing the impact on the purity of the ozone concentrated gas.

The invention relates to the technical field of grain coating, in particular to a liquid medicine storage and supply device which comprises a shell, a liquid inlet is formed in the upper portion of the shell, a liquid medicine adding pipe used for adding liquid medicine into the shell is arranged at the liquid inlet, the liquid medicine adding pipe is communicated with the interior of the shell, and the shell is provided with a stirring structure used for stirring the liquid medicine. The stirring structure is connected with a central control structure, a plurality of liquid outlets are formed in one side of the shell, liquid outlet pipes are arranged at the liquid outlets, the liquid outlet pipes are connected with peristaltic pumps through hoses, and the multiple liquid outlet pipes are connected to a plurality of different seed coating positions respectively, so that the effects that seed coating liquid medicine is more stable, and the seed coating effect is better are achieved.

The agricultural planting spraying equipment comprises a height adjusting mechanism, a rotary spraying mechanism and a mixing mechanism, the height adjusting mechanism comprises an adjusting box, a lifting support, a telescopic hose, a spring and an inserting rod, and the rotary spraying mechanism comprises a connecting pipe, a water distributing pipe, a rotary motor, a belt, a driving sleeve and a water spraying opening. The mixing mechanism comprises a mixing motor, a reduction gearbox, a stirring frame, propeller blades and a mixing box, under the mutual cooperation of the mechanisms, the device can adjust the spraying height according to the heights and growth stages of different crops, so that pesticide waste and spraying dead angles are avoided, and along with rotation of the connecting pipe, the spraying range is large, and the spraying effect is good. A large area can be uniformly covered, and the spraying efficiency is improved.

The present invention relates to a preparation device and preparation method of an electrolytic metal foil, wherein the preparation device of the electrolytic metal foil comprises: an electrolytic cell, a cathode system, an anode system and an insulating partition; wherein the cathode system comprises a rotating device and a cathode; the cathode is located in the electrolytic cell; the rotating device is connected to the cathode to drive the cathode to rotate during the electrolytic deposition process; the anode system comprises an anode; wherein the anode is placed in the electrolytic cell and arranged around the cathode; the insulating partition is placed in the electrolytic cell and is located between the cathode and the anode; the insulating partition is arranged around the cathode, and the anode is arranged around the insulating partition; a plurality of meshes are provided on the insulating partition to adjust the uniformity of the electrolytic metal foil in the width direction by adjusting the aperture and distribution of the meshes. The electrolytic metal foil preparation device of the present invention can ensure the uniformity of the metal foil, and it is small in size, flexible in operation, and can meet industrial production conditions, providing an experimental device for the development of high-performance electrolytic metal foil preparation technology.

The present invention discloses a low-emission swirl burner for a gas turbine and an operating method thereof. The burner comprises a hollow inner cone and an outer cone which are coaxially arranged. A plurality of swirl blades are arranged between the inner cone and the outer cone. A plurality of inner cone fuel spray hole channels penetrating the inner cone wall are arranged on the inner cone wall. An annular blade fuel spray hole channel is also arranged on the inner cone wall. A plurality of blade fuel spray holes are arranged on each swirl blade, and each blade fuel spray hole is connected to the blade fuel spray hole channel. An air channel is formed in the cavity between the inner cone and the outer cone. The fuel nozzle of the burner is designed in two stages. The first stage is the inner cone fuel spray hole channel on the inner cone wall of the burner. When the load is low, the fuel is sprayed out from the inner cavity of the inner cone through the plurality of inner cone fuel spray hole channels, which can stabilize the flame and control the emission. The other stage is the blade fuel spray hole on the swirl blade. When the load is high, the fuel is sprayed through the blade fuel spray hole, mixed with the air and burned under the action of strong swirl, which can reduce the emission of NOx.

The invention relates to the technical field of atomization devices, and discloses a lung cancer nursing atomization device which comprises an atomization box. A partition plate is arranged in the atomization box, a liquid conveying pipe is rotationally arranged on the partition plate, a rotating head is installed at the top end of the liquid conveying pipe, and stirring rods arranged at equal intervals are arranged on the outer wall of the liquid conveying pipe; a liquid supply cylinder is arranged above the partition plate in the atomization box; liquid medicine to be atomized is injected into the atomization box through the feeding pipe, the liquid supply component is started, then the liquid medicine in the liquid supply cavity is continuously pressed into the connecting hose, the liquid medicine is sprayed into the atomization mask in a mist shape through the spray head, and meanwhile the liquid medicine at the bottom of the atomization box is extracted through the liquid conveying pipe and the liquid conveying pipe; in addition, the infusion tube can rotate under the action of the transmission part, so that the stirring rod rotates, the liquid medicine is stirred and mixed uniformly, the sprayed vaporific liquid medicine is uniform in concentration and convenient for a patient to absorb, and the use effect is better.

The utility model relates to the field of cups, in particular to a clamping type traction mechanism, a brewing type bagged drink and a cup, the clamping type traction mechanism comprises a first clamping component and a second clamping component, the first clamping component and the second clamping component are oppositely arranged and detachably connected, and the first clamping component is detachably connected with the second clamping component. A clamping space for clamping the brewing type bagged beverage is formed between the first clamping part and the second clamping part; the first clamping part is magnetic or non-magnetic but can be attracted by the magnetic material, and the first clamping part is used for being magnetically connected with the cup cover. The brewing type bagged drink is detachably fixed through upper and lower clamping, the first clamping part can be magnetically connected with a cup cover of a cup used in cooperation, for example, the cup cover of a magnetic elastic cup, and the brewing type bagged drink can be rapidly replaced while the soaking time and the drink concentration are controlled.

The utility model belongs to the technical field of medical equipment, and particularly relates to an infusion mixer. The mixer comprises a supporting rod, a telescopic rod is installed at the top end of the supporting rod, the upper end of the telescopic rod is detachably connected with a mounting box, the outer side of the mounting box is rotationally connected with a swing plate, the upper end of the swing plate is fixedly connected with a limiting rod, the lower end of the swing plate is fixedly connected with a U-shaped baffle, and a T-shaped opening and a rod-shaped opening are formed in the bottom of the U-shaped baffle; a motor is mounted in the mounting box, an output shaft of the motor is fixedly sleeved with a connecting rod, a transmission rod is rotatably connected to the end, away from the motor, of the connecting rod, and the end, away from the connecting rod, of the transmission rod is rotatably connected with the side face of the swing plate. The mixer can automatically mix a solution in an infusion bag uniformly, so that the problem of liquid medicine precipitation in the infusion process is avoided, and the problem that the infusion bag needs to be shaken and mixed uniformly by manual operation clinically at present is solved.

This application relates to the technical field of waste gas treatment equipment, and discloses a boiler flue gas desulfurization and denitrification treatment device, including a desulfurization and denitrification cylinder. A filter box is fixedly installed on the left side of the desulfurization and denitrification cylinder, a mixing box is fixedly installed on the top of the desulfurization and denitrification cylinder, and a filtrate box is fixedly installed at the bottom of the desulfurization and denitrification cylinder. The same functional box is fixedly installed on the right side of the filtrate box, the right side of the desulfurization and denitrification cylinder, and the right side of the mixing box. The same conveying chamber is fixedly installed on the top of the functional box and the top of the mixing box. A chemical storage tank is fixedly installed on the top of the conveying chamber. An air inlet pipe is provided on the left side of the filter box, an activated carbon adsorption plate is provided inside the filter box, and a spraying mechanism is provided inside the desulfurization and denitrification cylinder. This application has the following advantages and effects: by setting up a conveying mechanism and a stirring mechanism, it can ensure the uniformity of the reagent concentration and improve the reaction activity, and can achieve the uniform addition of the reagent and improve the mixing efficiency.

The present application belongs to the field of textile printing and dyeing technology, and particularly relates to a polyester fabric continuous pad dyeing device and pad dyeing process, which comprises a pad dyeing frame; a feeding roller is arranged on one side of the top of the pad dyeing frame, and a tension roller is arranged below the feeding roller; through the design of a mixed turbulent flow component, the dye is delivered to the inner and outer rotating rods by a circulating pump to realize dye circulation; the fabric advances to drive the guide wheel to rotate, drives the first driving wheel and the first driven wheel, and makes the inner rotating rod rotate reversely; the spiral plate agitates the dye; at the same time, the motor drives the third driving wheel to drive the axial stirring rod to stir the dyeing liquid in the same direction; the outer rotating rod uniformly sprays the dye; the design of the staggered arrangement of the spiral plates, the liquid outlet holes and the diffusion holes further enhances the mixing effect; multiple components cooperate to stir the dye from multiple directions, avoids stratified precipitation, ensures uniform dye concentration, greatly improves the mixing efficiency compared with the traditional method, effectively solves the dyeing color difference problem, and significantly improves the dyeing uniformity and product quality.

This utility model relates to the field of tomato cultivation technology and discloses a spraying tool for tomato cultivation, including a mobile trolley. A support base is fixedly connected to the top of the mobile trolley, and a mixing tank is fixedly connected to the top of the support base. A feed inlet is fixedly connected to the outside of the mixing tank, and a mixing and scraping assembly is provided on the outside of the mixing tank. An adjustment assembly is provided on the top of the mobile trolley, and the adjustment assembly includes a fixing plate. The bottom of the fixing plate is fixedly connected to the top of the mobile trolley, and a rotating disk is rotatably connected inside the fixing plate. In this utility model, through the cooperation of a motor, gears, a gear ring, a rotating disk, a sleeve, a connecting rod, a baffle, a spring, and the connecting rod, the rotation angle of the rotating disk can be adjusted so that the spray head faces the plants in different directions. The height can also be quickly adjusted and locked to ensure that the spray head maintains the optimal spraying distance from the plants.

The utility model discloses a solid-liquid isolation type liquid medicine preparation system, and belongs to the technical field of sewage treatment equipment. The device comprises a feeding device, an adding device, a pre-dissolving device and a medicament dissolution promoting device, the feeding device is communicated with the adding device, and the adding device is used for controlling the adding amount of a solid medicament; the feeding device comprises a conveying groove body and an isolation baffle plate which is mounted at a discharge hole of the conveying groove body in a turnover manner; the pre-dissolving device comprises a pre-dissolving main body connected with a water inlet pipe, the water inlet pipe feeds water into the pre-dissolving main body along the tangential direction, a feeding groove body, a pre-dissolving groove body and a liquid outlet channel are sequentially processed on the pre-dissolving main body, the feeding groove body is communicated with a discharge port of the conveying groove body, the inner side wall of the pre-dissolving groove body is processed into a funnel-shaped structure, and the liquid outlet channel is connected with the medicament dissolution promoting device. By the adoption of the technical scheme, the problem that solid medicine powder is affected with damp and agglomerated in the feeding device to block the device can be solved, and the dissolving effect of the medicine is remarkably improved.

The utility model relates to wafer processing equipment technical field, specifically wafer etching cleaning mechanism, including support seat, and support seat fixedly connected with etching pool has, and etching pool fixedly connected with support plate has, and support plate installs drive assembly, and etching pool rotationally connected with connecting shaft has, and connecting shaft fixedly connected with two eccentric wheels has, and etching pool's inside fixedly connected with four guide posts, and four guide posts slidingly connected with same first bracket have, and the bottom side fixed connection of first bracket has two connecting frames, and eccentric wheel and adjacent connecting frame between rolling connection, and connecting shaft is equipped with linkage structure, and the inside of etching pool is equipped with pumping structure, and the first bracket is clamped with material box frame, and material box frame is clamped with two wafer material box, can make wafer inside etching pool shake, simultaneously can make etching liquid flow in the inside of etching pool, in order to facilitate etching liquid and wafer contact more fully, to be able to improve wafer etching's effect.

The invention relates to the technical field of enzymic method auxiliary extraction devices, and provides a schisandra chinensis lignan enzymic method auxiliary extraction device which comprises a top cover detachably installed on equipment and a box cover arranged in the top cover, a sliding open groove is formed in the box cover, two sets of symmetrical sliding grooves are formed in the two sides of the sliding open groove, and the sliding open groove is formed in the box cover. Two symmetrical first limiting rods are fixedly installed in each sliding groove, and a scattering device for preventing fructus schisandrae from being attached to each other is installed on the box cover. The bottom of the conical filter screen is driven by the connecting rod to move upwards, schisandra chinensis deposited at the bottom of the conical filter screen can be pulled to the top of the conical filter screen, the schisandra chinensis can be diffused in enzyme solutions, the internal space of the conical filter screen is reduced, and the enzyme solutions inside and outside can be exchanged through the filter plate; the concentration of enzyme solutions inside and outside the conical filter screen is uniform, and the situation that the extraction efficiency of lignans is low due to the fact that schisandra chinensis sinks to the bottom and is accumulated in the reaction process is avoided.

This utility model relates to the field of traditional Chinese medicine processing technology, and discloses a soaking device for processing traditional Chinese medicine. It includes a base, with fixed plates fixedly connected to the top left and right sides of the base. A fixed ring is fixedly connected to the top of each adjacent side of the two fixed plates. A soaking tank is fixedly connected to the inner wall of the fixed ring. A soaking cover is provided on the top of the soaking tank. A second servo motor is fixedly connected to the top of the base. The output end of the second servo motor passes through the bottom of the soaking tank and is fixedly connected to a turntable. A spiral stirring shaft is fixedly connected to the top of the turntable. U-shaped stirring shafts are fixedly connected to the top left, right, front, and rear sides of the turntable. In this utility model, the spiral stirring shaft and the U-shaped stirring shaft rotate collaboratively. The spiral stirring shaft promotes the circulation of the soaking liquid, reducing physical damage, and guides the soaking liquid to form a specific path. When the stirring blades wear out, they can be replaced with screws to achieve a suitable processing effect.

The utility model relates to nickel plating treatment technical field especially relates to a kind of stainless steel material outer surface nickel plating pretreatment device, including main part, main part top is sequentially provided with pickling pool, first flushing pool, neutralizing tank and second flushing pool from left to right, recess area is set up in the bottom of main part, linear module is fixedly installed in the bottom of both sides of main part, sliding block is slidably installed on two linear module, support column is fixedly installed on two sliding blocks, rod slot is set up in the top of two support columns, hydraulic rod is fixedly installed in rod slot, the telescopic end of two hydraulic rods is fixedly connected with inverted L-shaped link rod, the vertical portion of two link rods is located in pickling pool, and link rod vertical portion bottom between two is provided with article placing assembly, the utility model is integrated design, while improving the efficiency of stainless steel nickel plating pretreatment, quality stability, give consideration to operation convenience and environmental protection, applicable to the demand of large-scale industrial production.

The utility model relates to a pipeline assembly, an electrolyte storage tank and a flow battery, the pipeline assembly is used for the electrolyte storage tank of the flow battery, and the pipeline assembly comprises a plurality of branch pipe groups and connecting pipes. The multiple branch pipe sets are arranged at intervals in the first direction, each branch pipe set comprises multiple branch pipes, each branch pipe extends in the direction intersecting with the first direction, the axes of the multiple branch pipes in the same branch pipe set are located in the same plane, and multiple open holes are formed in each branch pipe. The connecting pipe extends in the first direction and communicates with the branch pipes in the branch pipe sets at the same time. The first direction intersects with the plane where the axes of the branch pipes in the same branch pipe set are located. The problems that the electrolyte in the electrolyte storage tank is long in mixing time and uneven in mixing can be solved.

The utility model relates to the technical field of oral solution processing, and discloses procaterol hydrochloride oral solution processing equipment which comprises a dissolving tank and a stirring assembly arranged in an inner cavity of the dissolving tank, and the stirring assembly stirs raw materials in the inner cavity of the dissolving tank through opening and closing movement; a tank cover is arranged on the upper end face of the dissolving tank, feeding hoppers are symmetrically installed on the tank cover and communicated with an inner cavity of the dissolving tank, electromagnetic valves are arranged at the communication positions of the feeding hoppers and the dissolving tank, one feeding hopper is communicated with a fan, and the other feeding hopper is communicated with an air outlet. And the fan is used for introducing air into the feeding hopper and mixing the raw materials in the inner cavity of the feeding hopper. According to the stirring device, raw materials and dissolved materials in the dissolving tank can be mildly stirred, the situation that the solution splashes is effectively avoided, and meanwhile the raw materials can be premixed so that the dissolved solution can rapidly reach the preset concentration.

The invention provides a complex, a catalyst composition, a preparation method and application and an ethylene oligomerization reaction method, and relates to the technical field of ethylene oligomerization. The structural formula of the complex is shown as a formula (I), in the formula (I), R1-R13 are the same or different and are independently selected from any one of hydrogen, C1-C6 alkyl, halogen, C1-C6 alkoxy, nitryl and C6-C10 aryl; and R14-R16 are the same or different and are respectively and independently hydrogen or C1-C20 alkyl groups. The complex can be completely dissolved in an organic solvent, the concentration of the complex can be accurately metered in industrial operation, and stable operation of the reaction is ensured. The catalyst composition comprises the complex, so that under the action of the catalyst composition, the ethylene oligomerization reaction is rapid in initiation, stable in operation and good in repeatability.