30results about How to "Will not carbonize" patented technology

The invention discloses octadecyl oleamide and preparation thereof. The octadecyl oleamide has a structure shown by the general formula (I) in the specification. The octadecyl oleamide provided by theinvention is a plastic additive which is multifunctional, high-efficiency, high-temperature resistant, low-migration and wide in range of application, can be used as one or more of an anti-blocking agent, a slipping agent, an antistatic agent, a heat stabilizer, a release agent and an anti-wear agent in plastics, and has the effects of lubricating an opening and improving the properties of a plastic product, such as scratch resistance, wear resistance, static electricity resistance, high-temperature resistance and the like.

The invention discloses a process for preparing high-optical-purity R-(+)-2-chloropropionic acid through an ester exchange method. The process comprises the following steps: placing ethyl chloropropionate in a reactor, sequentially adding formic acid with the mass fraction of 94% and strong-acid cation exchange resin under stirring, slowly heating to 54DEG C, extracting ethyl formate, continuously heating, and recovering formic acid; and forming a negative pressure after the recovery of formic acid, and extracting R-(+)-2-chloropropionic acid. The process has the advantages of simple technology, no strong acidic tails, environmental protection and short production period, and the optical purity and the yield of the prepared R-(+)-2-chloropropionic acid are not smaller than 99% and not smaller than 90% respectively.

The invention relates to the field of vacuum glass and in particular relates to a method for preparing vacuum glass. The method comprises the following steps: (1) heating glass, gluing and curing; (2) arranging the glass; (3) heating the glass in a kiln; and (4) taking out the vacuum glass. The method is short in preparation time and high in sealing property, the energy consumption is reduced, and the vacuum glass manufactured by the method is uniform in bearing capacity.

The invention provides a nano layer lubrication diamond grinding wheel grinding method based on a shock wave cavitation effect. The method is characterized in that after an air pressure adjusting valve is opened, shock waves generated by an accelerating tube push nano particles to move forwards, and then the nano particles are accelerated by a small laval tube to obtain a high initial speed; meanwhile, a wave source of a shock wave accelerating module generates high-frequency and high-strength shock waves to impact the nano particles with the initial speed, so that the nano particles are continuously accelerated downwards in the axial direction of a large laval tube until the nano particles are embedded into the surface of a grinding wheel at the highest speed to form a nano layer; the other wave source is used for cleaning impurities on the surface of the grinding wheel; and in the machining process, the nano particles of the nano layer are autonomously released in a grinding core area, so that self-lubricating cooling in a grinding area is achieved. The method greatly enhances the lubricating cooling effect, and also conforms to the concept of green development.

A synthesis method of dipentaerythritol hexa-ester belongs to the ester compound synthesis technical field of organic chemistry, which uses dipentaerythritol and isononanoic as raw materials. The invention is characterized in that in the presence of solid catalyst and nitrogen atmosphere, the invention processes dehydration-condensation reaction, deacidification and filtration to prepare dipentaerythritol hexa-ester, wherein the solid catalyst is stannous oxide, sodium aluminate or magnesia in the 0.04-0.15% usage of the total weight of dipentaerythritol and isononanoic, and the mass ratio between the dipentaerythritol and isononanoic is 1:6.3-7.2. The invention reasonably utilizes novel solid catalyst with high selectivity to prevent polyatomic alcohol from carbonization at high temperature, with shallow product color and non byproduct generation, which removes the catalyst via filtration after reaction to improve product quality, while the new solid catalyst will not corrode device, has simple production and can be circulated.

The invention discloses a manufacturing method of an anti-infrared high-energy heat-insulation goggles lens. The manufacturing method comprises the following steps: firstly, drying PC or PA; uniformly mixing 8-15 kg of PC or PA with 8-13 g of nano-scale metal oxide and 2-7 g of a dispersing agent; forming a strip-shaped material from the mixed material; forming a cylindrical anti-infrared master batch from the strip-shaped material; drying PC or PA plastic grains; matching the prepared anti-infrared master batch and dried PC or PA plastic grains according to the proportion that 0.1-0.5 kg of master batch corresponds to 1 kg of plastic grains, and uniformly stirring; and forming the anti-infrared high-energy heat-insulation goggle lens from the stirred mixed material. According to the invention, the manufacturing method is simple, the cost is lower, the color is more stable and uniform, and the product quality is improved; and detection results show that the light transmittance of a 780-2000 nm infrared region reaches 8.69%, namely, the blocking rate is 91.31%, the visible light perspective rate reaches 78.43%, the haze reaches 0.8%, and the product has the advantages of preventing near infrared rays from irradiating eyes, insulating heat, protecting the skin around the eyes, slowing down aging and reducing the occurrence probability of cataract.

The invention discloses a method for solid-phase photocatalytic oxidation of polycyclic aromatic hydrocarbons. The method comprises the following steps: (1) mixing the polycyclic aromatic hydrocarbonswith a catalyst, so as to obtain a solid-phase mixture; and (2) subjecting the solid-phase mixture of the polycyclic aromatic hydrocarbons and the catalyst to a reaction under the action of ultraviolet light, wherein in the step (1), the weight ratio of the polycyclic aromatic hydrocarbons to the catalyst is 1: (30 to 70), preferably 1: (40 to 60), more preferably 1: 50, and the catalyst is sodium bismuthate; and in the step (2), the reaction is carried out under the action of ultraviolet light with the wavelength of 220nm to 395nm, and the reaction is carried out for 2 to 10 hours under theaction of ultraviolet light, preferably 4 to 10 hours, and more preferably 8 to 9 hours. The method disclosed by the invention belongs to solid-phase reactions, is free of fluid, is simple in step andsaves energy consumption.

The invention discloses a floating heating type vacuum diffusion pump. The pump comprises a pump body, pump oil, a pump core, an evaporation system, a cooling system, an injection system and a controlsystem, the evaporation system of the pump adopts a heating mode of floating heating, the evaporation system comprises an evaporator, a heater and a temperature measuring and temperature control element, the evaporator is provided with a heating area and an oil storage area, the heating area and the oil storage area are separated through a middle partition plate and communicate with each other through an oil hole in the partition plate, the heater is arranged in the heating area, and is used for heating the pump oil in the heating area to enable the pump oil to be instantly evaporated to become steam, the heater is fixed on the middle partition plate, the middle partition plate can float in the pump oil so that the heating area can kept constant and unchanged within the normal pump oil range, the heater is fixed on the middle partition plate, and the middle partition plate can float in the pump oil so that the heating area can kept constant and unchanged in the normal pump oil range.

The invention provides a making method of low-sodium chili sauce having lactic acid bacteria ferment. Through the lactic acid bacteria ferment, antisepsis and fresh keeping without chemical additivescan be realized, nutrient substances are decomposed, and the low-sodium chili sauce is convenient to absorb. Low sodium is healthy to human bodies. Ingredients 1 provide ample nutrition of vitamins and the like for chili sauce. Ingredients 2 and ingredients 3 provide powerful guarantee for enlarging the application crowds of the chili sauce. Through the collocation of the ingredients 1, the ingredients 2, the ingredients 3, the lactic acid bacteria ferment and chilies, effective effects of conditioning the health of sub-health crowds can be achieved. In the whole making method, oil temperatureis controlled to be quite low, and nutrient substances effectively dissolve through an oil extraction principle.

The invention relates to a working method of a four-way type industrial constant-temperature machine with a spherical pressure-relief valve and a hydraulic bypass. The working method is characterizedby comprising the steps that firstly, an equipment heating source (900) and the industrial constant-temperature machine are connected; and secondly, at the time of starting, an oil storage tank temperature sensor (908) or a hydraulic oil conveying pipeline temperature sensor (103) detects the liquid temperature firstly, when the temperature is lower than 35 DEG C, a heating mode is started, and when the temperature is lower than 60 DEG C, and the refrigerating mode is started. The working method has the advantages of being high in reliability degree, not liable to damage and capable of guaranteeing stable operation of the system.

The invention relates to a four-way industrial thermostat unit with hydraulic bypasses with piston type pressure release valves. The four-way industrial thermostat unit with the hydraulic bypasses with the piston type pressure release valves is characterized by comprising a hydraulic oil conveying pipeline, wherein a hydraulic oil conveying pipeline conveying pump, a heat radiator and a heat exchange device are sequentially arranged between a hydraulic oil inlet and a hydraulic oil outlet on the hydraulic oil conveying pipeline; a heat exchange pipeline is connected between an upper heat exchange connector and a lower heat exchange connector of the heat exchange device; a gas-liquid separator, a compressor, a condenser, a heat exchange pipeline bypass valve, a four-way valve, a first one-way valve, a first reservoir, a first dry filter, a first heat exchange pipeline electromagnetic valve, a first throttling device, a second one-way valve, a second reservoir, a second dry filter, a second heat exchange pipeline electromagnetic valve and a second throttling device are arranged on the heat exchange pipeline; and the piston type pressure release valves are arranged on oil circuits ontwo ends of the heat radiator in parallel. The four-way industrial thermostat unit with the hydraulic bypasses with the piston type pressure release valves provided by the invention has the advantagesof high reliability, difficulty in damage, and capability of ensuring stable operation of a system.

The invention relates to a four-way type industrial thermostat for hydraulic bypass with adjustable pressure relief valves. The industrial thermostat is characterized by comprising a hydraulic oil delivery pipeline, a hydraulic oil delivery pipeline transfer pump, a radiator and a heat exchange device are successively arranged between a hydraulic oil inlet and a hydraulic oil outlet on the hydraulic oil delivery pipeline, a heat exchange pipeline is connected between an upper heat exchange connection port and a lower heat exchange connection port of the heat exchange device, and a gas-liquid separator, a compressor, a condenser, a heat exchange pipeline bypass valve, a four-way valve, a first check valve, a first liquid storage device, a first dry filter, a first heat exchange pipeline solenoid valve, a first throttle device, a second check valve, a second liquid storage device, a second dry filter, a second heat exchange pipeline solenoid valve and a second throttle device are arranged on the heat exchange pipeline; the adjustable pressure relief valves are arranged in parallel on an oil passage at both ends of the radiator. The industrial thermostat has the advantage of high reliability and is not easy to damage, and stable operation of a system is ensured.

The invention proposes a nano-layer lubricated diamond grinding wheel grinding method based on the shock wave cavitation effect. When the air pressure regulating valve is opened, the shock wave generated by the acceleration tube pushes the nano particles forward, and then the small Rafal tube accelerates them to move forward. Obtain a higher initial velocity; at the same time, a wave source of the shock wave acceleration module generates a high-frequency and high-intensity shock wave, which impacts the nanoparticles with an initial velocity, making it continuously accelerate downward along the axial direction of the large Lafal tube until reaching the highest velocity Embedding the surface of the grinding wheel to form a nano-layer; another wave source is used to clean the surface impurities of the grinding wheel; during the processing, the nanoparticles in the nano-layer are released in the grinding core area independently, realizing self-lubricating and cooling inside the grinding area; this method not only greatly enhances the Lubricating and cooling effect, and in line with the concept of green development.

The present invention relates to an insulated operating rod and a disconnecting switch with the insulating operating rod. The insulated operating rod comprises an operating rod body and a metal end head which is arranged at the front end of the operating rod body and is used for connecting the contact force transmitting component of the disconnecting switch; and the metal end head is provided with an elastic conductive structure which elastically contacts with the contact force transmitting component, and therefore, after the contact force transmitting component is connected with the insulating operating rod, reliable contact can be ensured under the elastic contact of the elastic conductive structure, and as a result, the generation of floating potential can be avoided, the insulating operating rod will not be ablated and carbonized, and the service life of the insulating operating rod can be prolonged.

The invention relates to a four-way industrial thermostat with a tube heater. The four-way industrial thermostat is characterized by comprising the working steps that 1, a device heat source (900) isconnected with the industrial thermostat; 2, when the four-way industrial thermostat is switched on, an oil storage tank temperature sensor (908) or a hydraulic oil delivery pipeline temperature sensor (103) first detects the liquid temperature, when the temperature is lower than 35 DEG C, a heating mode is turned on, and when the temperature is higher than 60 DEG C, a cooling mode is turned on. The four-way industrial thermostat has the advantages that the reliability is high, the four-way industrial thermostat is not easily damaged, and stable operation of a system is ensured.

The invention relates to the technical field of tank-type gas phase sulfonation reaction devices for surfactants for tertiary oil recovery, in particular to a tank reactor for producing the surfactants, and an application method thereof. The tank reactor comprises a buffer tank, a gas-liquid mixer arranged in the buffer tank, a stirrer arranged in the buffer tank, a diluted raw oil inlet communicated with the gas-liquid mixer in the buffer tank, a vacuum pump communicated with the buffer tank, a circulating discharge system arranged outside the buffer tank, and a diluted sulfur trioxide feeding system arranged outside the buffer tank. The tank reactor and the application method thereof have the advantages that the applicable reaction temperature of the reactor ranges from -20 DEG C to 40 DEG C, the sulfonation reaction depth of complex raw materials can be controlled under low temperature conditions, materials difficult to react can be sulfonated under high temperature conditions, andthe tank reactor is particularly suitable for production of the surfactants for the tertiary oil recovery from the low-cost and complexly-composed raw materials.

The invention provides a grinding device for implanting a nanometer lubrication grinding wheel based on magnetic weak strengthening impact. The grinding device comprises a control module, a laser light guide module, an acceleration module and an excitation module. The control module comprises a computer industrial controller (1), a digital controller (2), a laser controller (3) and a pressure controller (6); the upper end of the digital controller (2) is connected with the laser controller (3), and the lower end of the digital controller (2) is connected with the computer industrial controller (1); the laser controller (3) is connected with the high-power pulse laser unit (1301); according to the device, the cooling and lubricating effect of a grinding core area is greatly improved, the low grinding specific energy is greatly reduced, and the problems that the lubricating effect of single nanoparticles is not obvious, the nanoparticles are prone to agglomeration when directly added into a grinding wheel binding agent, and the grinding area is difficult to respond in time are solved.

The invention relates to novel application of polytetrafluoroethylene. The invention relates to the application of polytetrafluoroethylene material as manufacturing lining in high-purity arsenic production equipment. Through a large amount of experimental study, the applicant uses polytetrafluoroethylene with the purity of over 99.99 percent and the thickness between 0.2 and 10 millimeters as lining, can effectively overcome huge disadvantages existing in the field, and achieves success in using the lining for the industrialized production of high-purity arsenic. The invention has the following advantages that: 1, the polytetrafluoroethylene lining with the purity of over 99.99 percent and the thickness between 0.2 and 10 millimeters can be used for long-term uninterrupted arsenic trichloride-resistant corrosion at a high temperature of 150 DEG C with no cracking or leakage; 2, the polytetrafluoroethylene cannot be carbonized and is extremely limited in pollution to high-purity arsenic products; 3, product quality can absolutely be guaranteed; and 4, large-volume reactors can be manufactured to realize the industrialized production of high-purity arsenic by the method. Experiment proves that the purity of high-purity arsenic products produced by use of the lining of the invention can reach 7N (namely 99.99999 percent).

The invention discloses a method for solid-phase photocatalytic oxidation of polycyclic aromatic hydrocarbons. The method comprises the following steps: step 1, mixing polycyclic aromatic hydrocarbons with a catalyst to obtain a solid phase mixture, step 2, mixing polycyclic aromatic hydrocarbons with a catalyst The solid-phase mixture reacts under the action of ultraviolet light; wherein, in step 1: the weight ratio of polycyclic aromatic hydrocarbons to the catalyst is 1: (30-70), preferably 1: (40-60), more preferably 1 : 50; the catalyzer is sodium bismuthate; in step 2: carry out under the ultraviolet light effect of 220~395nm in wavelength; Under the ultraviolet light effect, react 2~10 hours, preferably react 4~10 hours, more preferably react 8 to 9 hours. The method of the invention belongs to solid phase reaction, does not involve fluid, has simple steps and saves energy consumption.

The invention belongs to the technical field of organic matter purification, and particularly relates to a process for purifying paraphthaloyl chloride. The process specifically comprises the following steps: with a crude paraphthaloyl chloride product as a raw material, controlling a cooling rate to realize curing of a product so as to realize preliminary purification, performing sweating operation at 80-82 DEG C for further purification, and finally carrying out heating to 90-105 DEG C for melting to obtain the high-purity paraphthaloyl chloride. The process is mild in operation condition, high in system operation safety coefficient and safe and stable in production, the purity of the purified product is as high as 99.98% or above, and the process is suitable for industrial production.

The invention discloses a method for solid-phase catalytic oxidation of polyaromatic hydrocarbon. The method comprises the following steps: step 1, mixing polyaromatic hydrocarbon with a catalyst to obtain a solid-phase mixture; step 2, enabling the polyaromatic hydrocarbon and catalyst solid-phase mixture to react under the action of microwaves, wherein in step 1, a weight ratio of the polyaromatic hydrocarbon to the catalyst is 1:(30 to 70), preferably 1:(40 to 60), and more preferably 1: 50; the catalyst is sodium bismuthate; in step 2, the reaction is performed under the action of microwaves at the power of 650 to 750 W, preferably the reaction is performed under the action of microwaves at the power of 680 to 720 W, and more preferably the reaction is performed under the action of microwaves at the power of 700 W; the reaction is performed under the action of microwaves for 8 to 12 minutes, preferably for 9 to 11 minutes, and more preferably for 10 minutes. The method disclosed bythe invention belongs to solid-phase reaction, and no fluid participates in the reaction; the steps are simple, and the energy consumption is reduced.

The invention relates to a temperature control industrial thermostat for hydraulic bypass with adjustable pressure relief valves. The industrial thermostat is characterized by comprising a hydraulic oil delivery pipeline, a hydraulic oil delivery pipeline transfer pump, a radiator, a heat exchange device and a tube heater are successively arranged between a hydraulic oil inlet and a hydraulic oiloutlet on the hydraulic oil delivery pipeline, a heat exchange pipeline is connected between an upper heat exchange connection port and a lower heat exchange connection port of the heat exchange device, and a gas-liquid separator, a compressor, a condenser, a heat exchange pipeline bypass valve, a four-way valve, a first check valve, a first liquid storage device, a first dry filter, a first heatexchange pipeline solenoid valve, a first throttle device, a second check valve, a second liquid storage device, a second dry filter, a second heat exchange pipeline solenoid valve and a second throttle device are arranged on the heat exchange pipeline; the adjustable pressure relief valves are arranged in parallel on an oil passage at both ends of the radiator. The industrial thermostat has the advantage of high reliability and is not easy to damage, and stable operation of a system is ensured.

The invention discloses a spindle cooling mechanism and a machine tool. The spindle cooling mechanism includes a spindle box and a main cooling pipeline, the spindle box is provided with a spindle through a bearing, and the main cooling pipeline is arranged around the bearing. On the spindle box, the main cooling pipeline is provided with a plurality of secondary cooling pipelines extending axially and / or radially along the main shaft, and both ends of the secondary cooling pipelines are connected to the main cooling pipeline . According to the main shaft cooling mechanism and the machine tool of the embodiment of the present invention, the bearing on the main shaft can be cooled to ensure that the temperature of the bearing is within an appropriate range, and the machining accuracy of the workpiece will not be affected due to the high temperature of the bearing, and at the same time, it will not cause The carbonization of grease in the bearing will affect the service life of the bearing.

The invention discloses a process for preparing high-optical-purity R-(+)-2-chloropropionic acid through an ester exchange method. The process comprises the following steps: placing ethyl chloropropionate in a reactor, sequentially adding formic acid with the mass fraction of 94% and strong-acid cation exchange resin under stirring, slowly heating to 54DEG C, extracting ethyl formate, continuously heating, and recovering formic acid; and forming a negative pressure after the recovery of formic acid, and extracting R-(+)-2-chloropropionic acid. The process has the advantages of simple technology, no strong acidic tails, environmental protection and short production period, and the optical purity and the yield of the prepared R-(+)-2-chloropropionic acid are not smaller than 99% and not smaller than 90% respectively.

The invention belongs to the technical field of fiber-reinforced aerated concrete, and in particular relates to a modified bamboo fiber-reinforced aerated concrete and a preparation method thereof. Using γ-glycidyl etheroxypropyl trimethoxysilane (KH560) to modify bamboo fiber, the prepared modified bamboo fiber reinforced aerated concrete is environmentally friendly, has good physical and mechanical properties, and is popularized The application prospect is huge.

A method for preparing vacuum glass comprises the following steps: (1) heating glass, adhesive applying and curing: applying sealing glass powder with low melting point on four edges of a glass sheet to form a glass sheet with adhesive, and providing fulcrums at the four edges of the glass sheet with adhesive; (2) arranging the glass: laminating a glass sheet with no adhesive or with a small amount of adhesive or glazed on the glass sheet with adhesive after being processed in step (1) to form a glass set, respectively arranging at least one glass set above and below at least one high temperature heating plate, and placing the arranged glass sets and the high temperature heating plate in a preheating box; (3) heating the glass in a kiln: placing the preheating box in a vacuum kiln, rapidly vacuumizing to obtain a pressure of 10-1 to 10-3 pa, powering on the high temperature heating plate for heating, and pressurizing and laminating the glass sheets during the heating process; and (4) taking out the vacuum glass. The method reduces the preparation time, lowers the power consumption and improves the sealing property. The vacuum glass manufactured by using the method has uniform bearing capacity.

The invention discloses a weather-resistant easy-to-clean anti-crack thermal insulation coating based on a concrete surface. The coating comprises a concrete layer, and the concrete layer is sequentially provided with an epoxy primer, a single-liquid anti-vertical-flow non-expansion waterproof thermal insulation type polyurethane material, aromatic polyurethane varnish, polyurethane urea and water-based aliphatic acrylic polyurethane finish paint from bottom to top; the epoxy primer is prepared from epoxy resin, an amino curing agent and a solvent in a mass ratio of 25: 5: 70; the aromatic polyurethane varnish comprises resin and a solvent in a mass ratio of 3: 7; the mass ratio of the resin to the curing agent in the polyurethane urea is 1.05: 1; the mass ratio of the resin emulsion to the curing agent in the water-based aliphatic acrylic polyurethane finishing paint is 9: 1. The coating disclosed by the invention has extremely strong seepage force, can be used on a complete and dry pool wall, and can permeate into a gap of a cement pool to form a continuous and uninterrupted protective film.

The invention relates to a temperature control industrial thermostat for hydraulic bypass with spherical pressure relief valves. The industrial thermostat is characterized in that step one, equipmentheating source (900) and the industrial thermostat are connected; step two, when the thermostat is started, firstly an oil storage tank temperature sensor (908) or a hydraulic oil delivery pipeline temperature sensor (103) detects the temperature of liquid, a heating mode is turned on when the temperature is lower than 35 DEG C, and a cooling mode is turned on when the temperature is higher than 60 DEG C. The industrial thermostat has the advantage of high reliability and is not easy to damage, and stable operation of a system is ensured.