26results about How to "Solve precipitation" patented technology

The invention provides a method for preparing a colloidal palladium activating solution by using a microfluidic method and the colloidal palladium activating solution, the method comprises the following steps: S1, preparing a palladium salt solution, a first tin salt solution and a second tin salt solution, the palladium salt solution is a solution containing palladium chloride and concentrated hydrochloric acid, and the first tin salt solution is a solution containing palladium chloride and concentrated hydrochloric acid; the first tin salt solution is an aqueous solution containing stannous chloride and concentrated hydrochloric acid, and the second tin salt solution is an aqueous solution containing stannous chloride, sodium chloride, ascorbic acid and concentrated hydrochloric acid; s2, mixing and reacting the palladium salt solution and 1 / 3-1 / 2 of the first tin salt solution by adopting a microfluidic method, and dispersing the reaction solution into a second tin salt solution to obtain a mixed solution; and S3, mixing the residual first tin salt solution with the mixed solution by adopting a micro-fluidic method to obtain the colloidal palladium activation solution. By introducing the microfluidic technology, the mixing reaction is more accurately controlled, and the catalytic activity of the colloidal palladium activation solution is improved. By supplementing the tin salt solution, the insufficient stability caused by low tin salt content in the synthesis process is made up.

The present invention discloses a method and device for discharging lithium-ion batteries by soaking them in water, wherein the method comprises the following steps: placing the batteries in a discharge box and sealing the box cover; injecting a discharge solution into the discharge box until the liquid level covers all the batteries; collecting tail gas, dissolving the precipitated sodium chloride crystals, inhibiting the generation of aluminum hydroxide, and spraying to remove the attachments on the surface of the batteries; after the discharge is completed, the batteries are taken out of the discharge box. The discharge device is suitable for the above-mentioned discharge method, and comprises a discharge box, which is equipped with a spray device, and the discharge box is connected to a tail gas recovery device and a pH value adjustment device. The present application can collect the hydrogen generated during the discharge process, avoiding the potential safety hazards caused by the chemical discharge method. In addition, it effectively solves the precipitation problem of aluminum hydroxide and sodium chloride, reduces the impurity content of the product, improves the product quality of the battery black powder, and simplifies the difficulty of subsequent wet recovery and impurity removal operations.

The utility model discloses a building construction spray coating mixing device not easy to block, which relates to the technical field of building construction equipment and comprises a mixing barrel, a stirring mechanism is arranged in an inner cavity of the mixing barrel, and the stirring mechanism comprises a stirring shaft, a stirring cross rod, a spiral scraper blade and a driving motor. The stirring shaft is movably connected to the bottom of an inner cavity of the mixing barrel, the stirring cross rod is fixedly connected to the surface of the stirring shaft, the outer side of the spiral scraper is movably attached to the inner wall of the mixing barrel, and the driving motor is fixedly installed at the top end of the mixing barrel. According to the building construction spray coating mixing device not prone to blockage, the problems that in the actual using process of existing equipment, a spray coating is precipitated in the standing process, the spray coating attached to the inner wall of a mixing barrel cannot be discharged, the cost is wasted, cleaning is inconvenient, particles possibly exist in the spray coating, and the spray coating is prone to blockage are solved. And the spray gun is blocked when the water flows to the spray gun.

The utility model relates to a water -based paint multifunctional heat preservation bucket belongs to sand casting technical field to solve the problem that the existing sand casting production, because of winter environmental temperature is too low to lead to the performance of coating weakening, there is the problem of poor sand core dip coating quality and the decline of casting yield. The present application includes the barrel body, heating assembly and temperature control assembly, the inside of barrel body is equipped with the inner bucket to form the container cavity, the heating assembly includes heating water tank and circulating water pipe, heating water tank is equipped with heating part and water pump, circulating water pipe is installed in the inner bucket, and it is equipped with two connecting ports connected with heating water tank, the temperature control assembly includes inductor and controller, the inductor is installed in the inner bucket and heating water tank respectively, and inductor, heating part and water pump are electric connection with controller respectively. The heat preservation bucket of the present application can realize the coating heating preservation and coating stirring in the barrel, will not reduce the performance of coating, improve sand core coating quality and casting yield.

The present invention relates to a ventilation and sewage discharge device for a vacuum well equipment cavity, comprising a cylinder and a pipe clamp valve connected to the cylinder and used for realizing on-off of the cylinder interior; a main flow channel, a side flow channel connected to the upper and lower ends of the main flow channel, and a sensor pipeline connected to the lower end of the side flow channel are jointly formed inside the cylinder and the pipe clamp valve; a sensor interface connected to the sensor pipeline is arranged on the outer wall of the cylinder; the pipe clamp valve is coaxially arranged with the cylinder and used for controlling the on-off of the main flow channel; the present invention is applied to a manhole cover ventilation type vacuum well, which can not only ensure reasonable ventilation inside the vacuum well, but also solve the problem of sewage detection and sewage discharge on the manhole cover, thereby coping with different climatic conditions and avoiding the problem that a large amount of accumulated water flows into the vacuum well under severe weather conditions, causing the internal equipment to work continuously, increase energy consumption, and reduce service life.

The utility model discloses a novel movable glue barrel, which relates to the technical field of glue storage and comprises a bottom frame, walking wheels are rotatably connected to four corners of the bottom frame, and driving components are fixedly mounted on the inner sides of the walking wheels. By the adoption of the structure, in the moving process, the moving operation is simplified through rolling of the walking wheels, the rotating shaft can be automatically driven to rotate through the motion characteristics of the walking wheels, the power of the walking wheels is ingeniously utilized through the design, the worm is further driven to rotate through meshing transmission of the first bevel gear and the second bevel gear, and the working efficiency is improved. Effective transmission of power is ensured through transmission connection of the worm and the turbine, then the auger is driven to rotate, through the series of mechanical transmission processes, the device can automatically stir and mix while moving, the problem of possible precipitation of glue in a static state is effectively avoided, the working efficiency is improved through the design, and the production cost is reduced. And the glue mixing uniformity is also ensured.

The invention discloses mine soil remediation equipment which comprises a base, a material mixing mechanism and a temperature control mechanism. Universal wheels, a tank body and a water pump are fixedly mounted on the base, a water inlet of the water pump is communicated with a liquid inlet pipe, one end of the liquid inlet pipe is communicated with the tank body, a water outlet of the water pump is communicated with a liquid outlet pipe, and one end of the liquid outlet pipe is communicated with a spray-seeding gun; the mixing mechanism comprises a lifting device fixedly mounted on the base, and a bracket is movably connected to the lifting device; according to the mine soil remediation equipment, the mixing mechanism and the temperature control mechanism are arranged on the base, raw materials used for soil remediation can be synchronously subjected to mixing and spray-seeding operation, and when the temperature of the tank body is too high, a semiconductor chilling plate can adjust the temperature of the tank body in time; by means of the arrangement, the working efficiency of the soil remediation equipment is effectively improved, and the problem that materials are prone to sediment due to temperature rise during mixing is solved.

The invention relates to the technical field of pressure filters, and provides a stirring unit and a filter press. The rotating shaft is rotationally arranged relative to the base body, sleeves the base body and is provided with a meshing part I; the telescopic piece is arranged on the base body in a swinging mode and located at one end of the rotating shaft, the telescopic piece is provided with a telescopic end and a second meshing part, and after the rotating shaft rotates, the first meshing part is meshed with or canceled from meshing with the second meshing part for driving the telescopic piece to swing back and forth; the scraper is arranged at the telescopic end and used for scraping ore pulp on the inner wall of the ore pulp tank. According to the technical scheme, the problems that in the prior art, ore pulp in an ore pulp tank of a pressure filter is uneven and prone to sedimentation, the filtering efficiency is reduced, and follow-up products are affected are solved.

The utility model discloses an anti-precipitation device for producing a polyurethane adhesive. The anti-precipitation device comprises a storage tank, a tank cover and an anti-precipitation device, the anti-precipitation device is arranged in the storage tank, the motor drives the spiral blade to operate, and the glue solution is conveyed to the discharge port from the bottom port of the circulating pipe through conveying power generated by operation of the spiral blade, so that bottom settled filler can be brought back to the upper layer, and obvious upper and lower layering is avoided; the problem of precipitation of glue liquid is effectively solved, during later maintenance, only the tank cover needs to be detached to take out the circulating pipe together, the circulating pipe is separated from the spiral blade, logistics maintenance work is greatly facilitated, the support is arranged on the surface of the connecting sleeve, the support abuts against the side wall face in the storage tank through the guide wheel in an attached mode, multi-direction supporting and reinforcing are provided for the circulating pipe, and the service life of the circulating pipe is prolonged. The circulating pipe is firmly installed and is not easy to deviate, and the situation that the circulating pipe is not installed in place and scratches the spiral blade is avoided.

The utility model belongs to the technical field of bee feeding devices, and particularly relates to a bee feeding device for artificial bee keeping, which comprises a fixing plate, a feeding trough is in contact with the inner side of the fixing plate, a sliding rod is slidably connected in the feeding trough, a first spring is arranged in the feeding trough, the upper end of the sliding rod is fixedly connected with a mounting plate, and the upper end of the mounting plate is fixedly connected with a second spring. The mounting plate is in contact with the fixing plate, a sliding block is slidably connected to the interior of the mounting plate, a clamping block is fixedly connected to the lower end of the sliding block, a clamping groove is formed in the fixing plate, and a fixing rod is fixedly connected to the interior of the mounting plate. By arranging the motor, the cam, the first spring and the like, the motor can drive the cam to rotate, and the cam drives the trough to shake, so that the phenomenon that sugar water precipitates after standing is effectively avoided, and the problem that white sugar precipitates easily due to the fact that the sugar water is placed for a long time when a bee feeding device is used for feeding is solved.

The present application belongs to the technical field of solid composite propellant recycling, and particularly relates to a method for crushing waste solid composite propellant. First, a composite precipitate of iron hydroxide and aluminum hydroxide is generated by using ferric chloride hexahydrate and aluminum chloride hexahydrate, the precipitate is filtered and washed, and then is mixed with carbon nanotubes and ethanol for ball milling, and finally is calcined to obtain a nano composite grinding aid. After the nano composite grinding aid is prepared into a suspension, the waste solid composite propellant is crushed together with the suspension, and the crushed solid composite propellant particles are separated by screening. The nano composite grinding aid prepared by the present application can improve the performance of the propellant, and the crushing method is particularly suitable for combustion recycling of the waste solid composite propellant. In the combustion recycling, the combustion efficiency and energy release are enhanced, so that the recycling heat value and energy utilization rate of the propellant can be significantly improved.

The invention discloses a calender with an automatic oil stain cleaning and cooling structure, which comprises an adjusting compression roller structure, a purification conveying structure is fixed on the adjusting compression roller structure, the adjusting compression roller structure comprises an adjusting cleaning assembly for installing a heating conveying assembly, and the adjusting cleaning assembly comprises a base with a storage box at the bottom. Meanwhile, a through hole plate for covering and fixing the storage box is fixed to the base, a sliding rod and a two-way ball screw are fixed to the through hole plate, ball nuts and sliding blocks which are relatively driven and adjusted penetrate through the surfaces of the two-way ball screw and the sliding rod, and a synchronous driving motor is fixed between the ball nuts; a connecting frame is fixed between the synchronous driving motors, a mounting groove facilitating fixed mounting of an adjusting air cylinder is formed in the inner side of the connecting frame, meanwhile, a scraping plate is fixed to the output end of the adjusting air cylinder, and according to the calender with the automatic oil stain cleaning and cooling structure, storage and utilization are achieved through the arranged storage box.

The invention discloses a carbon dioxide electroreduction catalyst based on a bionic proton rejection layer as well as a preparation method and application of the carbon dioxide electroreduction catalyst, and relates to the technical field of electrocatalysis. The carbon dioxide electroreduction catalyst based on the bionic proton exclusion layer comprises the bionic proton exclusion layer and an active substance wrapped in the bionic proton exclusion layer, the active substance is a nano triangular gold catalyst, and the bionic proton exclusion layer is prepared from a cationic surface active agent. Meanwhile, the active substance is coated with the bionic proton rejection layer, so that the hydrogen evolution reaction in an acid medium can be remarkably inhibited, the selectivity and efficiency of CO2 reduction reaction are improved, meanwhile, the proton barrier mechanism in a biological system can be simulated by utilizing the bionic proton rejection layer, the precipitation problem caused by alkali metal cations is avoided, and the sustainability of the reaction is improved.

The invention relates to the technical field of oil tank refueling, in particular to a movable engine oil filling all-in-one machine for an internal combustion locomotive, which comprises a refueling assembly, the refueling assembly comprises a tank body, the tank body is divided into an oil cavity and a containing cavity, an oil well pump and an oil pipe are arranged in the containing cavity, and the oil pipe is wound on a winding wheel; the stirring assembly is installed in the oiling assembly and comprises a stirring wheel located in the oil cavity, the stirring wheel and the winding wheel are in mutual transmission through a plurality of magnetic blocks and used for driving the stirring wheel to rotate, and a suction part is arranged below the stirring wheel and used for driving the suction part to ascend and descend in a reciprocating mode and impacting the bottom of the oil cavity. The stirring wheel located in the oil cavity is driven by the winding wheel to rotate, oil liquid is evenly stirred, in addition, the stirring wheel further drives the suction part located below the stirring wheel to conduct suction operation and flush and mix the bottom of the oil cavity, linkage of all the parts is achieved through the magnetic attraction effect between the magnetic blocks, and the whole system is simple in structure and convenient to use. The mode is non-contact and does not occupy extra space.

The utility model discloses a saline-alkali soil complex microbial inoculant injection device which comprises a bottom plate, a complex microbial inoculant box body is installed at the top end of the bottom plate, a stirring assembly is connected to the bottom end of a first motor, cleaning rods are fixed to the two sides of the bottom end of a transmission rod of the stirring assembly, and cleaning brushes are connected to the bottom ends of the cleaning rods. A water source is fed from the position of the water inlet, then the water source reaches the interior of the complex microbial inoculant box body, the first motor can drive the stirring assembly to rotate, the stirring assembly is composed of the transmission rod and the stirring rods, and the stirring rods are located on the two sides of the transmission rod. The cleaning rods are mounted on the two sides of the bottom end of the transmission rod of the stirring assembly, so that the cleaning rods can rotate along with the stirring assembly, and the cleaning brush at the bottom can clean sediments in the complex microbial inoculant box main body, so that the problem of sediments after water enters is prevented, and the complex microbial inoculant box main body is relatively convenient to clean; and the mixing of the complex microbial inoculants is also facilitated.

The pesticide storage box comprises a pesticide storage box body, the top of the pesticide storage box body is fixedly connected with an air flowing block, an inner cavity of the air flowing block is provided with a rotating hole, an inner cavity of the rotating hole is connected with a driving shaft in a penetrating mode, the periphery of the driving shaft is fixedly connected with fan blades, and the back face of the air flowing block is provided with an air inlet. An air outlet is formed in the front face of the air flowing block, a stirring shaft is fixedly connected to the bottom of the driving shaft, stirring blades are fixedly connected to the periphery of the bottom of the stirring shaft, five sets of fan blades are arranged, the height of the fan blades is consistent with that of an inner cavity of the air flowing block, and the stirring blades are located at the bottom of a pesticide storage box; according to the pesticide storage box of the unmanned aerial vehicle, the problem that pesticide precipitates before spraying is effectively solved, and the pesticide can be mixed more evenly before spraying.

The present application belongs to the field of enzyme activity determination method, aiming at the problems of existing pectinase activity determination technology, such as complicated operation, low sensitivity, and the problems of existing MBTH method for determining pectinase activity, such as a large amount of precipitate in the chromogenic product solution and the high background value of the chromogenic product, the present application provides a kind of determination method of pectinase activity: a series of concentration gradient galacturonic acid standard solution is prepared by using substrate solution, the precipitate is provided by using alkaline reagent to provide high concentration alkaline environment, and the precipitation of precipitated material is accelerated by using low temperature condition, then the supernatant is obtained by centrifugation, MBTH reaction is carried out, the absorbance value is determined, and the standard corresponding relationship curve is drawn; Pectinase enzymolysis reaction; preparation of enzymolysis blank; the initial speed of the concentration of reducing end group produced by the enzymolysis of the substrate per unit time is determined to calculate the enzyme activity of pectinase. The method is accurate, reliable, good in repeatability, high in sensitivity and stable in chromogenic product.

The utility model discloses a cleaning device of pesticide spraying machine, including mobile platform, support frame, medicine bucket, anti -precipitation subassembly, first water pump, output pipeline and cleaning component, wherein, the outer wall of support frame is installed with second drive arrangement, and the output of second drive arrangement is fixedly connected with the outer wall of medicine bucket, and anti -precipitation subassembly installs on medicine bucket, and cleaning component installs in the top one side of mobile platform, and anti -precipitation subassembly is connected with cleaning component, and first water pump installs in the top other side of mobile platform, and there is output pipeline between medicine bucket and first water pump. Therefore, through the cooperation of anti -precipitation subassembly and cleaning component, the automatic stirring and high -efficient cleaning of the medicine liquid in medicine bucket are realized, effectively avoid the medicine liquid deposition and residual, and the device avoids the limitation of manual operation through the automatic control, ensures the thorough cleaning of the inner wall of medicine bucket, improves the cleaning efficiency through the spraying cleaning fluid and the driving brush cleaning, and reduces the medicine liquid waste.

The present invention relates to a manhole cover ventilation type vacuum manhole, comprising a manhole body and a manhole cover arranged at the upper end of the manhole body, a sealing partition is arranged inside the well body, and the inside of the well body is divided into a sewage chamber and an equipment chamber, a liquid level sensor, a vacuum sewage valve and a first pneumatic controller are installed in the equipment chamber, a vent is arranged at the upper end of the manhole cover, a ventilation and sewage discharge device connected to the vent, a second pneumatic controller for driving the ventilation and sewage discharge device, a pressure relief device and a water collection and drainage device for discharging condensed water in the equipment chamber are arranged in the equipment chamber; the present invention can ensure that the internal core components, the liquid level sensor, the vacuum sewage discharge valve and the first pneumatic controller, work reasonably and effectively, and can also ensure reasonable ventilation inside the vacuum well, and solve the problems of sewage detection and sewage discharge on the manhole cover, avoiding excessive energy consumption and the risk of misoperation or paralysis of internal equipment.

The utility model relates to the field of slurry supply devices, in particular to a photocuring 3D printing slurry supply device which comprises a supporting assembly. The device further comprises a bearing assembly, a stirring assembly, a feeding assembly, an air exhaust assembly and an air outlet assembly. The stirring assembly is started to stir the interior of the containing assembly, the feeding assembly is started to output stirred materials through the feeding assembly, and before conveying, the air exhaust assembly is started to exhaust air in the containing assembly, so that feeding and stirring of the materials are facilitated; the problems that for a lot of metal or ceramic powder, an existing photocuring 3D printing slurry supply device cannot ensure that precipitation is not generated after a dispersing agent is added, and slurry precipitation cannot be solved through stirring are solved.

The invention provides a fertilizing device for preventing a macroelement water-soluble fertilizer from generating calcium phosphate precipitate, and mainly relates to the technical field of fertilizing devices. A fertilizing device for preventing a macroelement water-soluble fertilizer from generating calcium phosphate precipitation comprises a base, a pretreatment barrel, a discharging hopper, a grinding and feeding assembly and a stirring assembly, a water inlet pipe is fixedly installed on the top face of the pretreatment barrel, a drainage pipe is fixedly installed on the bottom face of the pretreatment barrel, and the discharging hopper is fixedly installed on one side of the top face of the pretreatment barrel. A grinding and feeding assembly is arranged on the upper portion of the interior of the pretreatment barrel, a stirring assembly is arranged on the lower portion of the interior of the pretreatment barrel, and the grinding and feeding assembly drives the stirring assembly to rotate through a transmission assembly. The water-soluble fertilizer pretreatment device has the beneficial effects that when the device is used, a water-soluble fertilizer can be ground and crushed through mutual cooperation of a fixed grinding disc and a driving grinding disc, so that the dissolving efficiency of the water-soluble fertilizer is greatly improved, and the water-soluble fertilizer is prevented from forming precipitates in the pretreatment barrel.

This utility model relates to a coating liquid heating device for a coating machine, including a tank for storing the coating liquid and a circulating heating circuit led out from the tank; the circulating heating circuit includes a second delivery pipe led out from the tank; a support frame is set on the side of the tank, and a circulating pump is installed on the support frame, with the second delivery pipe connected to the inlet of the circulating pump; the upper end of a curved pipe is connected to the outlet of the circulating pump, one end of a return pipe is connected to the lower end of the curved pipe, and the other end of the return pipe is connected to the inside of the tank; a heating component for heating the curved pipe is also provided on the support frame; the circulating pump is used to draw the coating liquid out of the tank and deliver it to the tank after being heated by the heating component, and the heating circulating circuit is set on the side of the tank to realize the flow heating of the coating liquid and avoid the problem of uneven heating of the coating liquid.

The utility model discloses marking equipment for a newly-built road, which comprises a connecting plate, the upper surface of the connecting plate is fixedly connected with a support frame, the upper surface of the support frame is fixedly embedded with a cylinder body, and the inner bottom wall of the cylinder body is fixedly embedded with a sealing bearing. Through the arrangement of the motor, the driving gear, the driven gear, the rotating rod, the leakage plate and the rotating plate, the motor, the driving gear and the driven gear are matched, so that the rotating rod is conveniently driven to rotate in the sealing bearing, meanwhile, the spiral conveying blade conveniently rotates along with the rotating rod, and raw materials are conveniently stirred; through cooperation of a connecting rod, a leakage plate and a rotating plate, the raw materials can be conveniently dispersed when being injected, the raw materials can be conveniently mixed, then through cooperation of a pump body, a suction pipe, a connecting pipe and a spray head, the raw materials can be conveniently injected, and the raw materials can be conveniently mixed. And raw materials can be conveniently sprayed outwards for scribing work.

The invention relates to the field of sewage treatment, in particular to a sewage source heat pump system water taking lifting pool with coarse filtration and automatic decontamination, which comprises a lifting pool, and a sewage inlet chamber, a sewage buffer pool and a sewage recession chamber are sequentially arranged in the lifting pool. The heights of the inner lower surfaces of the sewage inlet chamber, the sewage buffer pool and the sewage recession chamber are gradually reduced from left to right, the inner lower surface of the sewage recession chamber is higher than the sewage inlet chamber and the sewage buffer pool, and the inner lower surface of the sewage inlet chamber is higher than the inner lower surface of the sewage buffer pool; the inner lower surface of the sewage inlet chamber is lower than the inner lower surface of the sewage outlet chamber; due to the adoption of the mechanical coarse screen, the problem that a pipeline is blocked by large-size dirt is effectively solved, and manual real-time monitoring and regular cleaning are needed, so that the large-size dirt is automatically cleaned, and the dirt is conveyed to the ground through the mechanical coarse screen.

The utility model discloses a methoxyfenozide suspending agent quantitative filling device of technical field of filling equipment, including uniform material box, quantitative filling machine body. Uniform material box top verticality is equipped with motor, and the output shaft rotation of motor is passed into uniform material box and is connected with the pivot of coupling. The pivot is set up vertically, and the pivot end fixedly connected with uniform material subassembly. Uniform material subassembly includes fixed link, inner steel ring, outer steel ring, turbulence subassembly, first stirring subassembly and second stirring subassembly. The pivot end fixedly connected with the fixed link of cross, and the fixed link is fixedly connected with the inner steel ring and outer steel ring of the concentric setting of pivot. Turbulence subassembly is evenly distributed between the inner steel ring and outer steel ring. The first stirring subassembly and second stirring subassembly of verticality are fixedly connected with the upper portion of inner steel ring. The utility model effectively solved the problem that filling is uneven caused by suspending agent stratification, ensure that each medicine bottle fills the consistency of medicine component, and the product use effect is improved significantly.

The present invention discloses a device and method for brewing gastrointestinal ultrasound contrast-enhancing agents, wherein the device comprises a mounting box and a brewing cup, wherein both sides of the mounting box are provided with entry and removal ports, respectively, and further comprises a filling component, a water adding component and a circulating conveying component, wherein the filling component is arranged through one side of the top of the mounting box, the water adding component is arranged inside the mounting box, the circulating conveying component is arranged inside the mounting box, a rotating stirring structure is arranged inside the brewing cup, a plurality of meshing driving structures matched with the rotating stirring structure are arranged on the circulating conveying component, and the circulating conveying component is used to drive a plurality of brewing cups to move. The present invention solves the problem that the brewing device for the contrast-enhancing agent in the prior art can generally only realize the brewing operation of the contrast-enhancing agent, and it is difficult to accurately control the brewing amount of each portion of the contrast-enhancing agent and the actual needs of the patient.