302results about How to "Improve water removal effect" patented technology

The invention discloses a rapid drying method for a lithium ion battery cell and aims at finding a reasonable lithium ion battery cell baking process with high baking efficiency, good baking effect and low baking cost. The rapid drying method comprises the steps of firstly, baking a naked battery cell in a vacuum oven; then, repeating the operations of vacuum baking and baking with high-temperature dry nitrogen gas; and finally, introducing normal-temperature dry nitrogen gas to cool after vacuumizing. The rapid drying method has the following advantages and effects that 1, the boiling point of water is extremely low under the vacuum degree of lower than -0.095Mpa, and the water removal effect is better if the naked battery cell is heated at the vacuum degree and the temperature of 85+/-5 DEG C for 20-30 minutes; 2, the high-temperature dry nitrogen gas is introduced to the vacuum oven, so that the temperature of the naked battery core cannot be reduced, the temperature fluctuation of the battery cell in the whole battery cell drying process is not high, and the baking efficiency is increased; and 3, the cooling speed is high because the normal-temperature dry nitrogen gas is introduced after the water removal operation of the naked battery cell is finished, and the production period of a lithium ion battery is greatly shortened because the whole baking process of the battery core lasts for 8-20 hours.

The instant disclosure provides a wiper, comprising a wiper connector, a flexible member, a reinforcing member, a rigid frame, a plurality of fastening members and a wiper blade. The flexible member includes a central loading portion and two distal loading portion extending symmetrically from two ends of the central loading portion, where the central loading portion has a zero curvature. The reinforcing member is sleevingly coupled to the flexible member. A front-facing side of the reinforcing member has at least one wind-deflecting rib formed thereon. The rigid frame is arranged on the central loading portion to connect the wiper connector. The fastening member is engaged to the second loading portion. The wiper blade is inserted through the plurality of fastening members. Thus, a better conformity can be achieved between the windshield and the wiper through the wind pressure while driving to provide a better water removal effect.

The invention provides a method of increasing the elasticity of moisture-cured elastomers, which comprises adding to alkoxy-cross linking one-component compositions comprising an alkoxysilane-terminated polymer (A) containing end groups of the formula (1)

-A-Si(R)_a(CH₃)_3-a  (1)

a silane (B), of the general formula (2)

X—CH₂—Si(R)₂(CH₃)  (2)

where A is a divalent hydrocarbon radical, R is a methoxy or ethoxy group, X is a group R″O—, R″NH—, R′—O—CO—NH, R′—NH—CO—NH— or halogen,

• R″ is hydrogen, an optionally halogen-substituted C_1-18 hydrocarbon radical or a radical R′—O—CO— or R′—NH—CO,
• R′ is an optionally halogen-substituted C_1-8 hydrocarbon radical, and a is 1, 2 or 3.

The invention relates to a process for producing dimethyl carbonate from industrial synthetic gas. According to the invention, O2, CO, N2, NO, and methanol are delivered into an esterification system for esterification; heavy component drawn from the esterification system is subjected to recovery treatment in a wastewater tower; light component drawn from the esterification system passes a compressor II and is subjected to a carbonylation reaction in a carbonylation reactor; the carbonylation reaction product is delivered into a second condensation separation tower, and is subjected to gas-liquid separation; separated liquid phase is refined in a pressurized rectification tower; part of non condensable gas is discharged from the separated gas phase, and the gas phase is continued to be subjected to a reaction in the esterification system; the discharged non-condensable gas is delivered into a denitration reactor; light component at a top of the pressurized rectification tower is subjected to further recovery treatment in a methanol recovery tower; heavy component from the pressurized rectification tower is delivered into a product tower; dimethyl carbonate is drawn from the top of the product tower, and dimethyl oxalate is drawn from the bottom of the product tower. The process has the economical and practical characteristics of low equipment investment, environment friendliness, energy saving, high catalyst efficiency, high raw material utilization rate, and the like.

The invention provides an electrolyte for improving high temperature performance of a lithium manganate power battery and the lithium manganate power battery. The electrolyte comprises the following components: 75wt%-88wt% of non-aqueous organic solvent, 10wt%-17wt% of lithium salt, 0.5wt%-6wt% of film forming additive, 0.5wt%-5wt% of high temperature additive, 0.5wt%-3wt% of surfactant and 0.001wt%-1wt% of stabilizing agent; the electrolyte is capable of inhibiting the capacity reduction of spinel LiMn2O4 under high temperature through control of proportion of non-aqueous organic solvent, application of combination of LiPF6 and novel lithium salt, and addition of the film forming additive, the high temperature additive, the surfactant and the stabilizing agent which have cooperative effect. The high temperature cycle performance of the lithium manganate power battery by using the electrolyte can be obviously increased.

The invention discloses a gas drying method, in particular to a method for removing moisture in gases by a Nafion tube. The method is characterized in that the moisture is absorbed by adopting the permeability of the Nafion tube on the moisture and flow velocity of different gases on both sides of the Nafion tube to finally realize the aim of removing the moisture in processed gases inside the Nafion tube. The method has the advantages of low cost, high moisture removal property, small volume and the like. The method can be applied to such industries as atmospheric environment monitoring, pollution resource on-line monitoring, various gases analysis and rapid emergency command vehicles, etc.

A method for baking a lithium ion battery or a battery pole piece in a tunnel mode at least includes the step of pulsation vacuum preheating, wherein the temperature in a preheating box is made to rise to first preset temperature within first preset time, a part of water in the preheating box is drained through a vacuumizing method within second preset time, and the preheating box is refilled with dry air; the temperature in the preheating box is made to rise to second preset temperature within third preset time, a part of water in the preheating box is drained through the vacuumizing method within fourth preset time, and the preheating box is refilled with dry air; the step is circulated in this way until the temperature of the lithium ion battery or the battery pole piece in the preheating box reaches technological design temperature. Compared with the mode of single temperature rise in the preheating box in the prior art, most water in the lithium ion battery or the battery pole piece can be removed in the preheating stage, the water removal effect is excellent, and the water removal time of a speed bar production line can be greatly shortened.

The invention relates to a water removal method of dichloromethane, which comprises the steps of filtering dichloromethane having a water content of 2-20% with a hydrophobic and oleophylic film having a pore size of 0.001-20 micrometers, collecting filtrate, and obtaining dichloromethane with a water content of less than 0.5%. The method is low in energy consumption, convenient to implement and good in water removal effect and cannot produce the problem of secondary pollution.

The invention provides a non-aqueous electrolyte including: lithium salt, a non-aqueous solvent and an additive which includes trimethsilane isocyanate and orthoester. The invention also provides a lithium ion battery containing the non-aqueous electrolyte. The trimethsilane isocyanate and the orthoester serve as special additives in the electrolyte, which effectively improve high-temperature performance of the battery. The non-aqueous electrolyte with equal-amount addition of the special additives, compared with non-aqueous electrolytes with other common additives in the prior art, can greatly improve the high-temperature performance of the produced battery.

The invention discloses a cable drying device, which comprises a bottom plate, a cable, a blower and a dehydrating device, wherein the top left of the bottom plate is fixedly connected with an idler wheel base through a bolt, an idler wheel support rod is vertically arranged at the upper end of the idler wheel base, the upper end of the idler wheel support rod is in rotating connection with an idler wheel, an annular groove is arranged in the middle of the idler wheel, the blower is arranged at the right side of the idler wheel, the lower end of the blower is fixed on a draught fan base, which is fixedly arranged on the bottom plate through the bolt, the upper end of the blower is connected with an air hose, the upper end of the air hose is connected with a shunt pipe through threads, an air duct is welded at the upper end of the shunt pipe, the cable is arranged in the air duct, and a plurality of drainage exits are arranged at the bottom of the air duct. The cable drying device has a simple structure, is convenient to use, and keeps the surface of the cable clearer; and the air duct further improves the dehydration capacity of the device, and protects a spark machine from being damaged by water on the cable.

The invention relates to the technical field of sealants, particularly a single-component mildewproof negative-radical polyurethane building sealant and a preparation method thereof. The single-component mildewproof negative-radical polyurethane building sealant comprises a polyurethane prepolymer, a mildew preventive, a chemical negative-radical agent, a filler, a silane bonding accelerator, a catalyst and a moisture remover. The polyurethane prepolymer comprises polyoxypropylene diol, polyoxypropylene triol, polyisocyanate and a plasticizer. The single-component mildewproof negative-radical polyurethane building sealant simultaneously comprises the mildew preventive and chemical negative-radical agent, and thus, has the dual functions of mildew resistance and negative radical. The single-component mildewproof negative-radical polyurethane building sealant is especially suitable for node treatment of the vegetation roofing waterproofing structure, and can prevent the plant root system from piercing into the sealant, which can cause inactivation of the additional waterproof layer. The preparation method is simple, and is suitable for industrialized large-scale production.

The invention discloses a breathing machine sampling pipe water removing method and device. An air blowing device is arranged on the part, close to the breathing end of a breathing machine air flow pipe, of a sampling pipe, in the breathing machine inhalation stage, the air blowing device blows air to the sampling pipe for a time. By means of the breathing machine sampling pipe water removing method and device, water vapor in the sampling pipe is removed through the simple and practical air blowing method, the problem of water vapor condensation in the breathing machine sampling pipe is quite effectively solved, the water removing air blowing device is simple, effective, low in using cost and obvious in water removing effect, the service life of a breathing machine differential pressure transducer is greatly prolonged, the accuracy of breathing parameter monitoring is ensured, and the working efficiency of medical personnel is improved.

The invention discloses a crushing, compression and dehydration integrated device. The crushing, compression and dehydration integrated device consists of a feed bin, a crushing bin, a crushing device, a screening bin, a compression dehydration bin, an automatic sucking device, a drain pipe, a bracket and a control system; raw materials enter the feed bin through the automatic sucking device to drop into the crushing bin; fragments, crushed by the crushing device, vertically enter the screening bin, and are screened by the screening bin; the screened fragments enter the compression dehydration bin, and are discharged out of a bin body after compression; and compressed water is drained out of the device by the drain pipe. The crushing, compression and dehydration integrated device is novel and reasonable in shape, is convenient and fast in automatic sucking structure, is simple and practical in compression mechanism, is excellent in dehydration effect, and is wide in application range.

The invention belongs to the technical field of acetylene alcohol production, and particularly relates to a separation method of 2-methyl-3-butyn-2-ol, which comprises the following steps: pretreatinga reaction solution containing 2-methyl-3-butyn-2-ol to remove unreacted acetone and contained salt from the reaction solution to obtain a 2-methyl-3-butyn-2-ol crude product, with the content of 2,5-dimethyl-3-hexyn-2,5-diol in the reaction solution containing 2-methyl-3-butyn-2-ol being not higher than 0.1 wt%; separating and purifying the 2-methyl-3-butyn-2-ol crude product by virtue of membrane separation treatment and reduced pressure distillation treatment, so as to obtain a 2-methyl-3-butyn-2-ol product. According to the method disclosed by the invention, water in the product can be removed and the content of the 2,5-dimethyl-3-hexyn-2,5-diol can be reduced under the condition that the investment and the energy consumption are reduced, so that the 2-methyl-3-butyn-2-ol with relatively high purity and conversion rate is obtained.

The invention discloses a cable drying and dewatering device. The cable drying and dewatering device comprises a bottom board, a cable and a dewaterer, wherein a cable support mechanism is fixedly connected to a position above the left side of the bottom plate through a bolt, a support base, a first dewatering wheel and a spring are arranged in the cable support mechanism, the support base is fixed at the upper end of the left side of the bottom plate through a bolt, a sliding bush is vertically arranged at the upper end of the support base, a cylindrical sliding cavity is formed in the sliding bush, an annular lower catch spring board is arranged at the upper end of the sliding bush, a rotating shaft is arranged in the axle center of the first dewatering wheel, an annular groove is formed in the middle of the first dewatering wheel, both ends of the rotating shaft are fixed on a framework in a rotating manner, and an upper catch spring board is fixedly connected to the middle part of the lower end surface of the framework. The cable drying and dewatering device disclosed by the invention is simple in structure, is convenient to use, and further improves the cleanliness of the surface of a cable wire; the dewaterer is arranged, so that the dewatering capacity is further enhanced, and the situation that water spots reserved on the cable wire damage a spark machine is avoided.

The invention discloses a textile fabric cleaning device for textile equipment. The cleaning device comprises a cleaning box; a cleaning chamber, a spraying chamber, a water squeezing chamber and a drying chamber are arranged in the cleaning box; a cleaning pool is arranged in the cleaning chamber; a brushing roller is arranged in the cleaning pool; liquid distribution pipes are vertically arranged in the spraying chamber; spray heads are arranged on the liquid distribution pipes; a liquid collecting pipe is arranged in the spraying chamber, communicates with the two liquid distributing pipesand is provided with a liquid conveying pipe; a bearing roller is arranged in the water squeezing chamber; a water absorption sponge layer is arranged on the peripheral surface of the bearing roller;an extrusion roller is rotationally connected with two movable pieces and abuts against the water absorption sponge layer; the movable pieces are inserted into limiting cylinders downwards; a spring is connected with the movable pieces and the limiting cylinders; and a heating device is arranged in the drying chamber, a drying roller is rotationally connected with a fixed shaft, and an electric heating pipe is arranged on the fixed shaft and located in the drying roller. The textile fabric cleaning device can effectively clean a textile fabric, remarkably improves the cleaning effect and the cleaning efficiency, also can quickly dry the textile fabric, is excellent in drying effect, and is beneficial to use.

The invention discloses a high-efficiency device for water removal from flue gas. The device includes refrigeration block; the outer wall of the refrigeration block is provide with a fan through an installation piece; a semiconductor refrigeration piece is installed between the outer wall of the refrigeration block and the installation piece in clamping arrangement; the refrigeration surface of the semiconductor refrigeration piece is tightly against the side wall of the refrigeration block; the heating surface of the semiconductor refrigeration piece is arranged towards a fan; an airway is arranged in the refrigeration block; the lower end of the refrigeration block is tightly connected with a water storage bottle communicated with an output end of the airway; an air outlet pipe is communicated with the upper part of the water storage bottle; the bottom of the water storage bottle is communicated with a water drainage pipe; and the water drainage pipe is provided with a water drainage mechanism. The high-efficiency device for water removal from flue gas has the advantages of moderate volume, effective removal by filtration of the moisture in the flue gas, high water removal speed, good water removal efficiency and simple operation.

The invention relates to the technical field of cable production, in particular to a cable surface water removing device for a cable production line. The device comprises a drying oven, wherein winding mechanisms are arranged on the two sides of the top of the drying box correspondingly. The winding mechanism comprises a second rotating support fixed to one side of the top of the drying box. A first motor is fixedly mounted on the second rotating support; the first motor drives a reel to rotate around the center of the reel through a belt transmission mechanism. A winding wheel is rotationallymounted on the second rotating support; a cable is connected between the reels of the two winding mechanisms; a top plate is horizontally arranged above the drying box; a plurality of supporting rodsare vertically connected between the bottom of the top plate and the drying box; and guide wheel mechanisms are arranged on the two sides of the bottom of the supporting rod correspondingly, each guide wheel mechanism comprises a hydraulic cylinder, the hydraulic cylinders are vertically fixed to the top plate, the lower ends of the hydraulic cylinders are fixedly connected with connecting frames, and therefore energy consumption of cable surface water removal can be reduced, and efficiency can be improved.

The invention discloses a water shedding device for umbrellas. The water shedding device comprises a shell, wherein the inner walls of the shell are fixedly connected to a baffle plate; the interior of the shell is divided into a left operating cavity and a right control cavity by the baffle plate; a connection opening is formed in the upper wall of the control cavity; a placement opening is formed in the side wall of the operating cavity; a control mechanism is arranged inside the control cavity; an operating mechanism and a water storage mechanism are arranged inside the operating cavity; the operating mechanism comprises a mounting plate which is fixedly connected to the inner wall of the operating cavity; a water-absorbing sponge is arranged on the side wall of the mounting plate; theinner wall of the operating cavity is rotatably connected to a placement plate through a first rotating shaft; the placement plate is provided with a clamping part; and a water squeezing mechanism isarranged in the operating cavity. The water shedding device can quickly shed water on the umbrellas without using plastic bags, does not cause wasting, and can also prevent water on shoe soles from being stained onto the ground to make the ground slippery and cause people to slip.

An endoscope (2) comprises: a window part (15) which protrudes at a prescribed height from a flat part (22); an air supply/water supply nozzle (19) which is disposed from the flat part (22) in opposition to the window part (15) and discharges a fluid toward the surface of the window part (15); and an oblique part (23) which is formed in a peripheral edge part of the window part (15). In an oblique angle of the oblique part (23) to the flat part (22), a second angle of elevation (theta2) is made greater than a first angle of elevation (theta1), said first angle of elevation (theta1) of a direction along a first axis which passes through the center of the window part (15) of the discharge direction of the fluid which is discharged from the air supply/water supply nozzle (19) and said second angle of elevation (theta2) of a direction along a second axis which is orthogonal to the first axis at the center of the window part.

The invention relates to a carbon fiber yarn production process. The carbon fiber yarn production process uses carbon fiber yarn processing and manufacturing equipment, wherein the equipment comprises a water tank and a tensioning device arranged in the water tank, and a drying device is arranged on the outer side of the water tank. Through cooperation of a gear, an incomplete gear, a rotating plate, a flapping column and a telescopic spring, the incomplete gear can drive the gear to rotate intermittently, the gear drives the rotating plate to swing, the rotating plate can return to the original position under the action of the elastic force of the telescopic spring, and therefore water-washed carbon fibers are flapped; vibration is generated on the surfaces of the washed carbon fibers, so that moisture on the surfaces of the washed carbon fibers can be vibrated and sieved, and the surfaces of the washed carbon fibers can be conveniently dried in the later period; and through cooperation of a first transmission belt, cotton cloth and extrusion rollers, the first transmission belt can drive the cotton cloth to rotate together, and therefore secondary water removal can be carried out on the carbon fiber yarns obtained after vibration screening.

Disclosed is a technology for reducing hydroxyl group content in glass. Adding hydroxyl group remover CCI4 to a glass burden until all burden is immersed in the CCI4 liquid, resting the burden in aeration-drying environment, then puting the glass burden in a low-temperature muffle furnace, simultaneously keeping aerating environment to remove decay products of CCI4, the muffle electric stove is slowly heated up to 500-700 DEG C and the heat preservation time is 0.5-3 hours, and then the glass burden in the muffle furnace is transferred into a high-heat glass-melting furnace for melting. Glass with low hydroxyl group content prepared by the technology of the invention has the advantages of low costs, simplicity and easy operation, prominent de-watering effects and the like.