54results about How to "Improve pulping performance" patented technology

A thermomechanical pulping method including: refining pulp with a high consistency refining stage, and a medium consistency refining stage processing the refined pulp discharge from the high consistency refining stage. Chemical pretreatments for improving pulp quality development during medium consistency refining can be optionally added at the pressurized chip press, fiberizer pre-refining step, primary high consistency refining step, and/or the standpipe feeding the medium consistency refiner.

A domestic soybean milk maker is composed of a cup body with turbolating ring on its inner surface and cover, a main body, a machine head on said cup body and with upper and lower covers, a motor in said machine head, an arbor extended in said cup body, an axle coupling for coupling motor shaft with arbor, breaking cutter installed to front end of arbor, and a control circuit board.

A domestic soybean milk maker is composed of a cup body with turbolating ring on its inner surface, a machine head on said cup body and with upper and lower covers, a motor in said machine head, an arbor extended in said cup body, breaking cutter installed to front end of arbor, and a control circuit board.

The invention discloses a pulp preparing method for increasing bagasse oxygen-alkali cooking effect, comprising the steps of replacing clear water with bleaching effluents of Eop section and P section of bagasse oxygen-alkali pulp, reusing in wet stockpiling process of bagasse, carrying out oxygen-alkali cooking on the bagasse, washing, selecting, screening and bleaching to finally obtain the pulp. Compared with the yield of pulp obtained through the oxygen-alkali cooking of the bagasse subjected to wet stockpiling and sprayed by using the clear water and the yield of pulp obtained through oxygen-alkali cooking of the bagasse not subjected to wet stockpiling, the pulp obtained by utilizing the method has the advantages that the yield is respectively increased by 1-3 percentage points and 2-6 percentage points and the whiteness of unbleached pulp is increased by 1-3% ISO and the viscosity is increased by 40-110mL/g under the circumstance that pulp kappa numbers are close; the pollution load of middle-stage effluents can be decreased by 20-40%; and the water consumption per ton of pulp is decreased by 5-18m<3>.

The invention belongs to the field of domestic soybean milk machine equipment, and particularly relates to a coaxial dual-spiral domestic soybean milk machine head. The coaxial dual-spiral domestic soybean milk machine head comprises that a handle is fixed above the soybean milk machine head, a control system is arranged in the soybean milk machine head, a motor is connected with a transmission shaft, a reverse transmission device is arranged in the soybean milk machine head, a sleeve is arranged on the reverse transmission device, the lower end of the sleeve is provided with a lip-shaped seal ring, a reverse blade is fixed at the lower end of the sleeve, and a forward blade is fixed at the lower end of the transmission shaft and is fixed by a locknut. The coaxial dual-spiral domestic soybean milk machine head is simple in structure and high in pertinence, dual-direction rotation of two blades can be realized on the same motor transmission shaft, the shearing effect of beans is improved, the milk making effect of the soybean milk is improved and the coaxial dual-spiral domestic soybean milk machine head has wide market application value.

The invention discloses a continuous cooling snake-shaped flow channel semi-solid rheo-die casting device. The continuous cooling snake-shaped flow channel semi-solid rheo-die casting device comprises a snake-shaped flow channel fixed die and a snake-shaped flow channel moving die. The snake-shaped flow channel fixed die is matched and connected with the snake-shaped flow channel moving die through a guide post. A snake-shaped flow channel is formed at the joint between the snake-shaped flow channel fixed die and the snake-shaped flow channel moving die. The snake-shaped flow channel moving die is connected with an electric cylinder. The snake-shaped flow channel fixed die and the snake-shaped flow channel moving die are each internally provided with a plurality of cooling water channels. Each cooling water channel is of a transverse U-shaped structure. One end of each cooling water channel is provided with a water channel sealing block. According to the continuous cooling snake-shaped flow channel semi-solid rheo-die casting device, the multiple cooling water channels are formed on the periphery of the snake-shaped flow channel; water is used as a cooling medium to continuously cool the snake-shaped flow channel; in the using process, the temperature difference between the snake-shaped flow channel and an alloy solution can be kept large, and then the chilling action of the snake-shaped flow channel dies on the later part of alloy solution is maintained. Nucleation is promoted. The pulp making effect is substantially improved.

The invention discloses a radix puerariae smashing and syrup making device which comprises a smashing mechanism and a stirring mechanism, wherein the smashing mechanism comprises a first shell, a conveying mechanism, a rotatably arranged rotating shaft, a baffle and multiple smashing rollers; one end of the conveying mechanism extends into the first shell; the conveying mechanism comprises two conveying rollers and multiple conveying belts arranged on the two conveying rollers in an encircling manner; a gap is reserved between every two adjacent conveying belts; the rotating shaft is arranged on the inner rings of the conveying belts; multiple blades are distributed on the rotating shaft; the blades extend out from the gaps between the conveying belts; the baffle is arranged above the conveying mechanism; the multiple smashing rollers are located below the conveying mechanism; a material outlet is formed in the bottom of the first shell; the stirring mechanism comprises a second shell, a stirring shaft and paddles; the stirring shaft is arranged in the second shell in a rotatable manner; the paddles are arranged on the stirring shaft; a material inlet, a water inlet and a syrup outlet are formed in the second shell; and the material inlet communicates with the material outlet. The radix puerariae smashing and syrup making device disclosed by the invention is good in smashing effect and good in syrup making effect.

The invention discloses a method for preparing a polycarboxylic acid water-coal-slurry additive by using low-rank coal hydrothermal treatment waste liquid. The method comprises the following steps: (1) preparing polyethylene glycol single acetate by carrying out reaction between polyethylene glycol and acetic acid, and then adding acrylic acid and/or maleic acid for esterification to obtain a pre-reaction system; (2) dispersing the prepared pre-reaction system, sodium vinyl sulfonate and/or sodium p-styrenesulfonate and any one of acrylic acid and/or maleic acid into the low-rank coal hydrothermal treatment waste liquid, and carrying out polymerization in the presence of a chain transfer agent and an initiator; and (3) adjusting the pH value of the reaction system prepared in the step (2) to 9 to 11 so as to obtain the polycarboxylic acid water-coal-slurry additive. Compared with a domestic representative commodity additive, the additive disclosed by the invention enables the pulping concentration of low-rank coal such as lignite to be increased by 0.94 to 1.15 percent.

The invention discloses a bean milk machine spliced with a thin walled tube, comprising a container for containing liquid and a machine head arranged at the top of the container, wherein an operating and controlling assembly and a motor are built in the machine head, the motor drives a cutter shaft which extends downwards into the container, a smashing cutter is fixed on the cutter shaft, the lower part of the machine head is also fixed with one or a plurality of rigidity parts extending into the container, a vertical part on the rigidity parts clamps and fixes one thin walled tube which is inserted into the vertical part from bottom to top on a position surrounding the cutter by taking the cutter shaft as an axes, the lower part of the thin walled tube extends below the liquid level of the container, and a flow channel for liquid to flow in and out of the thin walled tube is remained between the bottom of the thin walled tube and the bottom of the container. The thin walled tube enhances the effect for grinding bean milk, the tube wall has no holes, and the installation position is lower, therefore, bean milk dirty is difficult to form, and the thin walled tube is easier to clean.

The invention relates to a time control heating method and a circuit thereof, wherein the circuit comprises a voltage detection unit, a control unit, a heating unit and a conducting switch; the method comprises the steps of identifying an actual working voltage of the heating unit by the voltage detection unit and reversely adjusting the conducting time of the heating unit according to the actual working voltage. The time control heating method and the circuit thereof do not need a temperature sensor to measure the temperature to heat, can save cost and also can achieve good heating effect.

The invention relates to the lithium ion battery production field of the field of new energy, in particular to a preparation process of a lithium iron phosphate material. The preparation process of the lithium iron phosphate material comprises the following steps that step one, 18-22% by mass of lithium carbonate, 35-45% by mass of ferrous oxalate and 35-45% by mass of diammonium phosphate are mixed and put into a ball milling tank to perform ball milling for 7-11 hours, the materials are taken out and are sintered under the argon protection for 10-14 hours, and cooling is performed for 5-8 hours to form a mixture; step 2, sugar accounting for 6-8% by mass of the mixture and alcohol with the purity of more than 90% and accounting for 85-11% by mass of the mixture are added into the mixture prepared in the step, ball milling is performed for 7-11 hours, sintering is performed at the temperature of 720 DEG C for 10-14 hours after drying, cooling and smashing are performed, and screening is performed by using a 100-mesh screen. The tap density of material products is effectively increased, the pulping performance of the material in preparation of lithium ion batteries is effectively improved, the specific surface area is increased, and the specific capacity of the material is improved.

The invention discloses a method for preparing a lithium ion battery positive electrode material lithium vanadium oxide LiV3O8. The method comprises the following two steps: (1) carrying out ball milling and complete and uniform mixing on a coordination agent and raw materials for preparing a lithium vanadium oxide LiV3O8 by using a solid phase coordination method, placing in a muffle furnace, carrying out thermal insulation at a temperature of 80 DEG C in an air atmosphere, heating to a temperature of 350 DEG C, sintering, cooling, and crushing to form a mixture; and (2) carrying out pair roller pre-pressing on the mixture prepared in the step (1), sintering at a temperature of 550 DEG C, cooling, and crushing to obtain the product. According to the present invention, the target product is synthesized by combining the solid phase coordination method and the post-sintering process, such that the method of the present invention can overcome the disadvantages of insufficient reaction caused by the insufficient atom contact, not good product particle size and the like of the solid phase direct reaction, has advantages of easy operation and easy industrialization compared with the liquid phase reaction, and can obtain good performance products at a temperature lower than the direct solid phase reaction.

The invention relates to a hydraulic coal slime crushing and pulping machine. The hydraulic coal slime crushing and pulping machine comprises a pulping structure, the pulping structure comprises a vertically erected barrel body, the side wall of the barrel body is provided with an ore pulp overflow port I, the top of the barrel body is provided with a cover, the cover is provided with a feeding port, a screening barrel is concentrically arranged in the barrel body, a gap is formed between the outer wall of the screening barrel and the inner wall of the barrel body, a plurality of screening holes are evenly formed in the side wall of the screening barrel, a plurality of crushing heads I are uniformly distributed on the inner wall of the screening cylinder, and a hydraulic cyclone structure used for driving water coal slime to rotate is arranged in the screening barrel. According to the hydraulic coal slime crushing and pulping machine, the crushing and pulping effects are achieved by utilizing rotational flow of water, crushing equipment is not blocked, the pulping effect is good, coal and mud are effectively separated, it is guaranteed that no muddy particles exist in the ore pulp, the pulping effect is further improved, the practicability is high, and the machine is worthy of popularization.

The invention discloses a fan motor blade made of different aluminium casting alloys, belonging to the field of wind power generation equipment parts. The operational performance of a long blade cast from a single aluminium alloy material can be influenced. The invention has the characteristics that the blade is divided into at least two parts which are made of different aluminium casting alloys, every adjacent two parts form a fusion area which constitutes the aluminium casting alloys of the two parts, so that different parts of the blade have different properties and can satisfy the needs for the operation of the long blade.