1162results about "Dissolving with driven stirrers" patented technology

The invention relates to the technical field of aluminum ash washing filtrate recycling intelligent control, in particular to an aluminum ash washing filtrate recycling intelligent control device and method, and the device comprises a multi-parameter online detection module, a data processing optimization module, a process parameter execution module and a filtrate circulation module. The multi-parameter online detection module is used for cooperatively detecting the real-time concentration of trace impurity ions such as fluorine, potassium and sodium through an ion selective electrode array and a micro spectrum analyzer; predicting the dissolution trend of impurity ions through an LSTM model and generating a process parameter adjustment instruction; the process parameter execution module regulates and controls the stirring strength, the liquid-solid ratio and the water-ash contact time in a linkage manner; and the filtrate circulating module is used for buffering, homogenizing and proportionally mixing the washed liquid phase to generate a regenerated leaching medium for recycling. According to the method, the detection data and the model decision are dynamically matched through the closed-loop control process, and the impurity element removal efficiency is improved.

The invention relates to the technical field of urea production, in particular to a urea production device. Comprising a mixing tank, a feeding hopper, a stirring device, a liquid inlet pipe and a liquid discharging pipe, an inner cylinder is arranged in the mixing tank and divides the mixing tank into an inner mixing bin for storing premixed liquid and an outer mixing bin for storing raw materials to be mixed from inside to outside, a filter screen plate is arranged above the inner cylinder, and small-particle raw materials are evenly dispersed in the inner mixing bin through the filter screen plate; and the large-particle raw materials are guided into the external mixing bin. In the liquid separation stage, water waves generated by vortex rotation are used for driving the floating plate to drive the drainage plate to float up and down in the premixed liquid, so that vortex outer ring solutions with different depths are guided to the axis, and the mixing degree of the solutions in the horizontal direction is enhanced; the floating plate is used for raising the vortex outer ring solution in an inclined manner, so that gravitational potential energy is used for impacting the rear part of the drainage plate, the local concentration difference is further broken, and the solution is promoted to reach a more uniform mixing state.

A marine urea aqueous solution preparation device, and a preparation method therefor. The marine urea aqueous solution preparation device comprises a water bath barrel (1), a preparation barrel (2) fixed to an inner wall of the bottom of the water bath barrel (1) by means of a support leg, and a gap between the water bath barrel (1) and the preparation barrel (2) is used to contain fresh water to heat the preparation barrel (2). A top cover (6) is fixed to the top of the preparation barrel (2) by means of multiple bolts, and multiple heaters (11) are fixed to an inner wall of the water bath barrel (1). The urea aqueous solution is stirred by means of a stirring rod (3), which can sequentially drive a swinging structure and an intermittent structure, so that urea particles are intermittently sprinkled into the preparation barrel (2) in small batches.

The invention discloses a liquid fertilizer mixing device for new energy irrigation, and relates to the technical field of agricultural irrigation, the liquid fertilizer mixing device comprises a mixing and stirring barrel, a main stirring blade and an auxiliary stirring blade are arranged in the mixing and stirring barrel, liquid is convected up and down under the action of the two groups of blades, and a reflux water pump is arranged to pump the liquid at the lower layer to the upper layer. Uneven mixing caused by sedimentation of the fertilizer at the bottom is avoided, the crushed fertilizer is discharged into a weighing bin to be weighed, when the required weight is reached, a rotating bin door is opened, the fertilizer falls into a pre-dissolving tank to be dissolved and mixed, fertilizer particles are crushed, so that the fertilizer dissolving time is shortened, and the mixing efficiency is improved; the pH detection assembly and the EC detection assembly are arranged to measure the pH value and the conductivity of liquid in the mixing and stirring barrel and detect the proportioning concentration of the fertilizer, the flow of the liquid fertilizer injected into the mixing and stirring barrel is measured and controlled in cooperation with the flowmeter, the proportioning concentration can be adjusted, and the proportioning accuracy is improved.

The preparation method comprises the following steps: mixing walnut oil and idesia oil according to a mass ratio of (85-90): (10-15), stirring and heating to 68-72 DEG C under the condition of a rotating speed of 55-70 rpm, adding a gel compounded by edible wax and polyglycerol fatty acid ester according to a mass ratio of (4-6): 1, continuing to stir until complete dissolution, adding an emulsifying agent, and uniformly stirring to obtain the beta '-crystal-form woody oil-based oleogel, so as to obtain the beta'-crystal-form woody oil-based oleogel, namely the beta '-crystal-form woody oil-based oleogel. The preparation method comprises the following steps: preparing a liquid grease gel solution, directly putting the liquid grease gel solution under the condition of-10 to-40 DEG C for quick freezing, then stirring for 3-6 minutes under the condition of the rotating speed of 150-250 rpm, and standing for 5-6 days under the environment of 20-25 DEG C to prepare the woody oil-based grease gel. The grease gel prepared by the method disclosed by the invention contains a stable beta'crystal form, is high in oil holding rate and proper in hardness, has relatively good oxidation stability, and can be applied to baking instead of animal butter or hydrogenated vegetable oil.

The invention relates to the technical field of nitrate production, in particular to a potassium nitrate purification device which comprises a dissolving tank, a filtering device, a crystallization kettle, a centrifugal machine and a drying machine with a steam jacket which are sequentially connected in series through pipelines. The dissolving tank first jacket is connected with a heat source through a circulating pipeline; a liquid outlet of the centrifugal machine is sequentially connected with the cyclone separator, the ceramic membrane filter, the cationic resin column, the first temporary storage tank and the heat source, and the first heat exchanger and the second heat exchanger are sequentially installed between the first temporary storage tank and a heating medium inlet of the heat source. A steam outlet pipeline of the steam jacket is connected with a heat medium inlet of the first heat exchanger, the first heat exchanger is connected with the second temporary storage tank through a pipeline, and the second temporary storage tank is connected with the heat source through a pipeline. A pipeline of the second vacuum unit is connected with a thermal medium inlet of a second heat exchanger, and the second heat exchanger is connected with a second temporary storage tank. According to the method, the potassium nitrate purification efficiency, the product purity, the resource utilization rate and the energy economy are synergistically improved.

The invention relates to the technical field of preparation of high-purity boron oxide, and discloses a purification method of high-purity boron oxide and a device thereof, and the purification method comprises the following steps: step 1, mixing crude boron oxide with a liquid metal alloy, and dissolving metal impurities through gradient temperature control; 2, applying ultrasonic treatment to the mixed system, introducing a vortex field, and stripping impurities on the surface of the boron oxide; 3, a liquid metal phase and a boron oxide solid phase are separated through cooperation of a magnetic field and a pulse high-voltage electrostatic field; 4, non-metal ion impurities are removed through a gradient porous ceramic adsorption bed; and step 5, melting boron oxide in vacuum and carrying out gradient cooling crystallization. By adopting the technical scheme of a Ga-I n-Bi-Er quaternary liquid alloy system, the technical effect of selective targeted removal of metal impurities is achieved, and compared with a liquid metal system depending on single phase solubility difference in the prior art, the defect that efficient chelating and dynamic settling separation of the impurities cannot be achieved at the same time is overcome.

The invention discloses an etching liquid purification device and method, and relates to the technical field of etching liquid purification, the purification device comprises a stirring tank, a circulating device, a filtering device and a plurality of feeding pipelines, the plurality of feeding pipelines are communicated with a stirring tank pipeline, the plurality of feeding pipelines are arranged, and the materials are added according to the mass according to the formula requirement, so that the raw materials are fully mixed; when raw materials enter the stirring tank, the raw materials are automatically stirred, the outer circulation loop is opened through the circulation device, liquid in the stirring tank is pumped out and conveyed through the circulation pipe, mass transfer and primary heat exchange are promoted in the circulation process, and particulate matter in the liquid is removed by integrating the filtering device on the outer circulation loop. Such as soluble particles and poorly soluble particles.

The invention provides a sludge anaerobic digestion solution treatment system and method, the treatment system comprises a digestion solution adjusting tank, a main reaction tank and a magnesium sulfate dissolving tank, the digestion solution adjusting tank is communicated with the main reaction tank through a digestion solution delivery pipe; the magnesium sulfate dissolving tank is communicated with the main reaction tank through a liquid medicine conveying pipe; the main reaction tank is communicated with the primary treatment front end of the sewage plant through a return pipe; a sludge discharge hole is formed in the bottom of the main reaction tank and is communicated with a sludge concentration tank of a sewage plant through a sludge discharge pipe. The sludge anaerobic digestion liquid treatment system is arranged before anaerobic digestion liquid is conveyed to the first-stage treatment front end of a sewage plant, liquid medicine is put into the sludge anaerobic digestion liquid and chemically reacts with high-concentration ammonia nitrogen pollutants in the sludge anaerobic digestion liquid, and finally precipitates are generated and separated out; therefore, the ammonia nitrogen concentration in the supernate is reduced, and the ammonia nitrogen treatment load of a sewage plant is greatly reduced.

The invention discloses a bamboo pulp lyocell fiber production method, which comprises: (1) preparing a bamboo dissolving pulp, loading bamboo chips into a pot, preheating, raising the temperature in the pot to 110-130 DEG C, introducing medium-pressure steam, rapidly raising the temperature in the pot to 160-170 DEG C, injecting a pre-hydrolysis liquid formed by mixing hot water and an acidic catalytic auxiliary agent from the bottom of the pot, and carrying out thermal insulation at a temperature of 165-175 DEG C for 30-120 min; and (2) dissolving NMMO, namely mixing the dissolving pulp prepared in the step (1) with an NMMO aqueous solution, mechanically stirring and uniformly mixing for 10 minutes at 90 DEG C, then carrying out vacuum dehydration, gradually raising the temperature to 105 DEG C from 90 DEG C, starting timing when the temperature is raised to 105 DEG C, and dissolving for 40 minutes. According to the production method and the production equipment of the bamboo pulp lyocell fiber, the pentosan content can be effectively reduced, the reaction uniformity can be improved and the preparation requirements of the bamboo-based lyocell fiber can be met through the specific preparation method and the processes such as steam preheating and temperature rising combined with liquid-phase extraction and prehydrolysis.

A filtration, washing and drying three-in-one device for lithium carbonate, and a production process thereof. The device comprises a tank body (1), a motor (2) arranged on the tank body (1), a stirring rod (3) which is arranged at a power output end of the motor (2) and extends into the tank body (1), a stirring blade (13) arranged on the stirring rod (3), and a feeding port (5), a liquid inlet (7), a discharging port (9) and a waste discharging port (11) which are provided on the tank body (1). A spraying liquid delivery pipe (16) connected to the liquid inlet (7) is arranged at the top in the tank body (1); a plurality of spray nozzles (17) are mounted on the spraying liquid delivery pipe (16); and a filtration mechanism is arranged at the bottom in the tank body (1).

The utility model provides a byproduct sodium acetate dissolving device, which belongs to the technical field of sodium acetate production, and comprises a dissolving tank and a stirring assembly, the stirring assembly comprises a connecting shaft, a stirring paddle, a crushing paddle, a driving motor and a lifting piece, the connecting shaft is vertically suspended in the dissolving tank, the stirring paddle is arranged on the connecting shaft and is positioned in the dissolving tank, and the crushing paddle is arranged in the dissolving tank. The crushing paddle is installed on the connecting shaft and located below the stirring paddle, the driving motor is arranged at one end of the connecting shaft, and the lifting piece is connected with the driving motor and drives the driving motor to move up and down in the vertical direction. The crushing paddle and the lifting part are additionally arranged, so that the crushing paddle firstly crushes large crystal byproduct sodium acetate, the large crystal byproduct sodium acetate is crushed into small crystal byproduct sodium acetate, dissolution of the crystal byproduct sodium acetate is accelerated, the dissolution rate is increased, and meanwhile, the dissolution rate is increased. The mutual collision between the stirring paddle and the bulk crystal byproduct sodium acetate is avoided, and the stirring paddle is prevented from being damaged.

The utility model discloses a liquid dissolving device for herbicide production, and relates to the technical field of liquid dissolving devices. The liquid dissolving device for herbicide production comprises a fixed bottom plate, two supporting columns are fixedly connected to the upper surface of the fixed bottom plate, first connecting plates are fixedly connected to the opposite faces of the two supporting columns, a dissolving tank is fixedly connected to the opposite faces of the two first connecting plates, and a bearing is fixedly embedded in the upper surface of the dissolving tank; the bearing is communicated with the interior of the dissolving tank, the inner wall of the bearing is fixedly connected with a connecting pipe, medicament particles enter the connecting pipe, and the medicament particles enter the connecting pipe and cannot directly enter the inner wall of the dissolving tank under the blocking of a plurality of crushing blocks; and under the rotation of the connecting shaft and the connecting pipe, a plurality of crushing blocks are matched to grind pesticide particles into smaller particles, so that better fusion with the liquid is facilitated, and the production quality of the liquid dissolving device for herbicide production is improved.

The utility model is suitable for the technical field of boiler liquid medicine adding equipment, and particularly relates to an intelligent boiler liquid medicine adding device which comprises a supporting base, a medicine dissolving box and a boiler are arranged on the surface of the supporting base, a boiler water discharging pipeline is arranged on the side face of the boiler, and an intelligent controller is installed on the surface of the medicine dissolving box. A stirrer is arranged on the surface of the medicine dissolving box; and a metering pump is mounted on the surface of the supporting base. Through close cooperation among the intelligent controller, the metering pump and the on-line water quality monitor, the device can realize intelligent and automatic boiler dosing management. Compared with a traditional boiler dosing system, the boiler dosing system has the advantages that the defects of inaccurate manual operation, long reaction time, waste of chemicals and the like are effectively overcome, the dosing precision and the reaction speed are improved, the waste of the chemicals is reduced, the operation cost is reduced, and intelligent management of boiler water treatment is realized.

The utility model discloses a dissolving device for food inspection and detection, and particularly relates to the technical field of food inspection, the dissolving device comprises a base, one side of the top of the base is fixedly connected with a vertical plate, the top of the vertical plate is fixedly connected with a top plate, a mounting seat is arranged above the base, and the top of the mounting seat is provided with a placing groove; a dissolving bottle is movably connected into the placing groove, a clamping assembly is arranged in the mounting seat, a second motor is mounted on the other side of the top of the top plate, a driving shaft of the second motor is fixedly connected with a stirring rod, a cover plate is arranged on the periphery of the middle of the stirring rod, and an adjusting assembly is arranged at the joint of the cover plate and the stirring rod. According to the dissolving bottle clamping device, dissolving bottles with different diameters can be clamped and fixed, collision caused by shaking of the dissolving bottles in the dissolving process is effectively avoided, the dissolving bottles with different heights can be sealed through the cover plate, and solution splashing in the dissolving process is effectively avoided.

The invention discloses an environment-friendly ammonium sulfate fertilizer production system, and relates to the technical field of tail gas treatment and chemical fertilizer manufacturing, one side of the top end of a whole support limiting frame is clamped with a material receiving concentration box, the top end of the material receiving concentration box is provided with a constant-temperature washing tower, and the inner side of the constant-temperature washing tower is provided with a plurality of repeated reaction cavities at equal intervals; an absorption discharge cavity is formed in the top end of the inner side of the constant-temperature washing tower, a plurality of rows of limiting sleeves are connected to the inner side of the repeated reaction cavity in a clamped mode, and dispersion spraying heads are connected to the top of the side end of the acid liquid injection pipe frame at equal intervals through adapters. The stability of ammonium sulfate production by tail gas deamination is improved and the conditions of resource waste and environmental pollution are reduced through multi-section separation, small-amount continuous mixing reaction and control of full reaction treatment of ammonia gas and dilute sulphuric acid in the tail gas.

The utility model discloses an efficient urea hydrolysis boiler SCR (Selective Catalytic Reduction) denitration system, which comprises a screw conveyer (7), a dissolving tank (1), a storage tank (2), a hydrolyzer (4), a boiler (5), a desalting water tank (6) and a drain tank (3), and is characterized in that the screw conveyer (7) is connected with the dissolving tank (1) through a pipeline, the boiler (5) and the desalting water tank (6) are respectively connected with the dissolving tank (1) through pipelines, and the drain tank (3) is connected with the dissolving tank (1) through a pipeline. The dissolving tank (1) is provided with a stirrer, the dissolving tank (1) is connected with the storage tank (2) through a pipeline, the boiler (5) and the demineralized water tank (6) are respectively connected with the hydrolyzer (4) through pipelines, and the hydrolyzer (4) outputs ammonia gas and wastewater obtained after reaction out of a system through pipelines. By arranging the monitoring system and the controller, the injection amount and the temperature of the urea solution are accurately controlled, and the conversion rate from urea to ammonia gas can be maximized.

Suppressing methane gas emissions from paddy rice cultivation is extremely important as a measure against global warming. The challenge here is to achieve both improved rice productivity and environmental protection. Specifically, this involves developing a device that can generate large quantities of high-concentration ultrafine bubble (UFB) water in a short time, by adding methane gas emission suppression to the UFB water. [Solution] The UFB generating apparatus of the present invention incorporates a variable-speed rotary stirring device into a UFB generation tank, and this tank is filled with sandy material. By supplying gas and water to this tank at high pressure, the sandy material layer of gas, water, and sandy material is liquefied. By rapidly rotating this liquefied layer with the rotary stirring device, the gas is confined in the pore water of the liquefied layer and then finely fragmented. Furthermore, by using sandy steel slag as the sandy material, in addition to the UFB effect, methane generation due to silica, lime, and iron oxide is suppressed and crop yields are improved.

The utility model discloses a material dissolving device for sodium silicate production, and relates to the technical field of sodium silicate production equipment, first stirring paddles are arranged at the upper and lower ends of a supporting rod of a first stirring cross rod, a stirring cleaning rod is arranged at the top end of the supporting rod of the first stirring cross rod, and second stirring paddles are arranged at the upper and lower ends of a supporting rod of a second stirring cross rod. According to the design, the combination of the brake motor and the brake shaft is used as a driving source to drive the combination of the stirring cross rod and the stirring paddle to perform stirring operation, and during stirring operation, high-pressure steam is intermittently introduced into the brake shaft of a hollow shaft structure and is sprayed out through steam spraying holes in the stirring cross rod and a stirring cleaning rod, so that the stirring cleaning effect is improved. The sodium silicate raw materials in the tank are fully pressurized, heated and melted, meanwhile, the raw materials adhered to the tank wall can be subjected to synchronous high-pressure impact cleaning, the raw materials are automatically cleaned and scoured, the linkage performance is good, operation and control are easy and convenient, and meanwhile the material melting efficiency is higher.

The invention relates to the technical field of water conservancy irrigation, and discloses a farmland water and fertilizer integrated micro-sprinkling irrigation device which comprises a storage bin, an irrigation component arranged in an inner cavity of an equipment cavity, a mixing component arranged in an inner cavity of a mixing cavity, and a mounting component arranged on the irrigation component. According to the farmland water and fertilizer integrated micro-spray irrigation device, synchronous rotation of a reciprocating lead screw can drive mixing blades on a cross rod to move and stir up and down in a mixing cavity in a reciprocating mode, and sufficient mixing of pesticide, chemical fertilizer and water can be guaranteed; a filtering barrel and a cleaning brush are arranged, so that smooth operation of the irrigation system can be ensured; by means of the arrangement of the splicing assemblies, rapid splicing installation between the irrigation pipeline and the communicating pipe is facilitated, and the situation that the irrigation pipeline falls off from the communicating pipe in the using process is effectively avoided; the surface of the irrigation pipeline is provided with a plurality of groups of fixed lantern rings of the sprinkling irrigation head and a height-adjustable fixed base, so that the installation is convenient, and the adjustment is flexible and firm.

The utility model discloses a paper pulp preparation device which comprises a dissolving tank, a constant volume tank, a white water tank and a mixing and dissolving tank, the dissolving tank, the constant volume tank and the mixing and dissolving tank are respectively provided with a liquid outlet, the liquid outlet of the dissolving tank is communicated with the interior of the constant volume tank, a first valve is arranged at the communication position, the liquid outlet of the constant volume tank is communicated with the interior of the mixing and dissolving tank, and a second valve is arranged at the communication position. The white water tank is provided with a water outlet, the water outlet of the white water tank is communicated with the dissolving tank and the constant volume tank, a third valve is arranged at the communication position, a liquid outlet of the mixing and dissolving tank is communicated with the paper machine, a fourth valve is arranged at the communication position, and the dissolving tank is used for adding papermaking filler and white water for pre-dissolving to prepare a filler solution; the constant volume tank is used for adding a filler solution and white water to make the volume of the filler solution constant to a preset concentration, and the mixing and dissolving tank is used for adding papermaking fibers and the constant-volume filler solution and uniformly mixing to prepare paper pulp, so that the papermaking filler, the papermaking fibers and the white water can be conveniently and continuously uniformly mixed to obtain the paper pulp.

The utility model discloses a precious metal waste recycling device which comprises a box body, a stirring shaft is rotatably connected to the interior of the box body, stirring rods are fixedly connected to the outer side of the stirring shaft at equal intervals, a fixing frame is fixedly connected to one side of the box body, and a motor is fixedly connected to the outer side of the fixing frame. According to the precious metal waste recycling device, the box body, the transmission shaft, the connecting rod, the push rod, the sliding frame, the sliding rod, the fixed rod, the connecting rod, the filter frame and the cover plate are arranged, so that the waste is in full contact with a dissolving solution, the dissolving efficiency of precious metal is improved, the recycling time is shortened, and the cost is reduced. The filtering frame can block and collect waste residues which cannot be dissolved; and by arranging a second bevel gear, a first bevel gear, a stirring shaft and a stirring rod, the function of stirring the dissolved solution is achieved, the dissolving efficiency of the precious metal is further improved, and recycling of the precious metal is facilitated.

The utility model relates to the technical field of sodium oleate production and manufacturing, and particularly discloses a stirring device for stirring sodium oleate, which comprises a dissolving tank for placing sodium oleate, a driving motor is arranged at the upper end of the dissolving tank, and a temperature sensing device is arranged in the dissolving tank; a stirring shaft assembly is arranged below the driving motor and is electrically connected with the temperature sensing device; the stirring shaft assembly comprises a main shaft; a frame and a plurality of main stirring blades are arranged on the main shaft, and the main stirring blades are arranged in the frame; a plurality of secondary stirring blades are respectively arranged on side rods on two sides of the frame; a plurality of fins are further arranged on the outer sides of the two side rods of the frame; the main stirring blade comprises a first central shaft and a plurality of blades arranged around the circumference of the first central shaft, and each blade and a radial line passing through the central point of the first central shaft are inclined at an angle of R degrees; the secondary stirring blades and the side rods on the same side are inclined at an angle of R degrees. The stirring contact area is effectively increased, the condensation phenomenon is reduced, and the stirring uniformity and safety are improved.

The invention belongs to the technical field of steelmaking wastewater treatment, and particularly relates to a device and a method for enabling a lime milk preparation system to operate stably, in the device, a radar level gage is installed in the middle of the top of a calcium hydroxide powder bin, and a high-resistance rotation level gage and a low-resistance rotation level gage are both installed outside the side wall of a cylinder of the calcium hydroxide powder bin; the low-frequency oscillators are symmetrically installed on the two sides of a cone of the calcium hydroxide powder bin, the lower portion of the cone is connected with the pipeline, the manual insertion plate door, the upper electric insertion plate door, the star-shaped feeder, the spiral conveyor and the lower electric insertion plate door are sequentially connected to the pipeline, and the lower electric insertion plate door is connected into the lime milk dissolving box through the pipeline. The method comprises the following steps of multi-stage material level redundancy detection, low-frequency oscillator-star feeder-screw conveyor three-stage collaborative blanking, star feeder frequency conversion and screw conveyor closed-loop metering, and safety isolation of an upper electric plug plate door and a lower electric plug plate door. According to the device and method, accurate discharging is achieved, calcium hydroxide hardening in the system is prevented, and the system operates safely and stably.

A papermaking retention aid dissolving system relates to the technical field of papermaking, and adopts the technical scheme that the papermaking retention aid dissolving system comprises a feeding device, the feeding device comprises a feeding groove, a spiral feeding machine is arranged at the bottom of the feeding groove, the spiral feeding machine is provided with a jet flow disperser, and the jet flow disperser is connected with the feeding groove. The jet flow disperser comprises a jet flow cavity, a purging annular pipe and a wetting annular pipe, wherein the purging annular pipe and the wetting annular pipe surround the jet flow cavity. The jet flow cavity extends in the vertical direction, the top of the jet flow cavity is connected with a discharging port of the spiral feeder, and an outlet is formed in the bottom of the jet flow cavity. The blowing annular pipe is connected with an air delivery pipe, the wetting annular pipe is arranged between the blowing annular pipe and the outlet, the wetting annular pipe is connected with a water delivery pipe, and the blowing annular pipe and the wetting annular pipe are each provided with a plurality of channels communicated with the jet flow cavity in the circumferential direction. According to the utility model, the retention aid can be effectively prevented from caking to block the jet flow cavity, and the retention aid is prevented from splashing to cause dust raising when sprayed out from the outlet of the jet flow cavity.

The utility model discloses an accelerated dissolution instrument for chemical analysis, which relates to the technical field of accelerated dissolution instruments and comprises a base, an annular seat is fixedly connected to the upper side of the base, a sliding table is fixedly connected to the upper side of the base, a lifting plate is slidably connected to the front side of the sliding table, and a motor is fixedly connected to the upper side of the lifting plate. The lower side of the lifting plate is fixedly connected with a plurality of guide columns, and the lower ends of the guide columns are fixedly connected with a cover plate. Through the mutual cooperation of the driving shaft, the fixed column, the rotating shaft, the stirring rod, the limiting strip, the annular chute, the first connecting plate, the telescopic column, the second connecting plate and the spring, the stirring rod can be stirred up and down in a reciprocating manner in the stirring process, and solute and solvent in a solution can be fully mixed in the vertical direction through up-and-down reciprocating stirring, so that the stirring efficiency is improved. And on the basis of single rotary stirring, the stirring dimension in the vertical direction is increased, so that solute particles can be more quickly dispersed into the whole solution system.

The invention discloses a treatment device for recovering 1, 3-cyclohexanedione from crystallization centrifugal mother liquor, which comprises a dissolving kettle, a discharge port of the dissolving kettle is communicated with a bleaching kettle, a discharge port of the bleaching kettle is communicated with a washing kettle, a discharge port of the washing kettle is communicated with a crystallization kettle, a discharge port of the crystallization kettle is communicated with a centrifugal machine, and a discharge port of the centrifugal machine is communicated with a drying machine. Solid-phase residues are discharged into a dissolving kettle, deionized water is added, stirring is started, then a proper amount of bromine and hydrogen peroxide are added, and materials in the kettle are heated; and transferring the materials in the dissolving kettle into a bleaching kettle. And after the bleaching agent is treated, the feed liquid in the bleaching kettle body is transferred into a washing kettle. The water-washed feed liquid is layered, a water phase layer enters a sewage treatment system through a sewage pipeline, and an organic phase layer enters a crystallization kettle through a delivery pump. And the cooled and crystallized feed liquid enters a centrifugal machine through a delivery pump. And after separation by a centrifugal machine, drying a solid-phase part by a drying machine, and packaging. In order to overcome the defects in the prior art, 1, 3-cyclohexanedione is recycled through the recycling device, pollution to the environment is reduced, and resource waste is avoided.

The utility model discloses a urea dissolving device. An existing dissolving tank is only a pure tank body, desalted water and urea are poured into the dissolving tank and then naturally wait for dissolution, the dissolving efficiency is low in the mode, and meanwhile crystals are likely to appear on the inner wall of the dissolving tank after long-time dissolution. The device comprises a dissolving tank, a layering bin is placed in the dissolving tank, the upper portion of the layering bin is connected with the top of the dissolving tank through a bearing, a driven gear is fixed to the layering bin, a support is fixed to the dissolving tank, a driving motor is fixed to the support, and the driving motor is connected with the driven gear. An output shaft of the driving motor is fixed with a driving gear, and the driving gear is meshed with the driven gear; and a scrubbing brush is fixed on the side surface of the layering bin. The urea dissolving device is used for dissolving urea.

The application discloses a hemodialysis concentrate solution preparation machine, which is applied to the technical field of hemodialysis concentrate solution preparation and comprises a support, a solution preparation barrel, a main feeding assembly, an auxiliary feeding assembly, a cleaning assembly, a plurality of detection assemblies and a circulating assembly. The solution preparation barrel is arranged on the support, and the solution preparation barrel comprises a barrel body. A barrel cover, a mixing assembly, a first feeding port, a second feeding port, two groups of first liquid inlets, a plurality of cleaning ports and a liquid outlet are arranged at the top of the barrel body. A plurality of circulating liquid ports are equidistantly arranged at the bottom of the barrel body along the circumferential direction of the liquid outlet. The first feeding port is connected with the main feeding assembly, the second feeding port is connected with the auxiliary feeding assembly, the cleaning ports are connected with the cleaning assembly, and the detection assemblies are arranged in the circulating liquid ports. The application can realize sufficient dispersion and dissolution of dry powder, facilitate complete cleaning and disinfection and has high solution preparation efficiency.

The invention discloses a sol tower and application thereof. A barrel of the sol tower internally comprises an oil phase area A, a dissolving and separating area B, a feeding area C and a water phase area D from top to bottom in sequence; a glue solution discharge hole is formed in the top of the sol tower, and a water phase discharge hole is formed in the bottom of the sol tower; the feeding area C is provided with a colloidal particle water inlet and a solvent feeding hole; wherein the dissolving and separating area B is provided with a tower plate; the feeding area C is provided with a stirrer. The device can realize colloidal particle dissolution and efficient separation of an oil phase and a water phase in the preparation process of the basic rubber solution of butyl rubber.