8results about How to "Solve precipitation" patented technology

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 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 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 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 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.

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 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.