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

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 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 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 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 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 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 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 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.