208results about "Pressure vessel components" patented technology

The invention belongs to the technical field of synthetic ammonia reaction equipment, and particularly relates to a multi-bed air cooling type isothermal synthetic ammonia reactor which comprises a tank body, a gas collecting ball cavity and a flow dividing ball cavity are assembled in the tank body, and the gas collecting ball cavity is located at the upper end of the flow dividing ball cavity; an air outlet pipe and an air inlet pipe are fixed to the ends, away from each other, of the air collecting ball cavity and the flow dividing ball cavity correspondingly, the lower end of the air inlet pipe penetrates through the tank body, the tank body is fixedly connected with the air inlet pipe, and a first spiral heat exchange pipe and a second spiral heat exchange pipe are arranged between the air collecting ball cavity and the flow dividing ball cavity. The first spiral heat exchange pipe and the second spiral heat exchange pipe are arranged on the isothermal layer, so that low-temperature raw material gas exchanges heat with a catalyst when flowing through the first spiral heat exchange pipe and the second spiral heat exchange pipe, the influence of heat accumulation on the net value of ammonia is prevented, and the catalyst can be prevented from being inactivated; the raw material gas flow path and time are prolonged, and uniform consumption of the catalyst is ensured.

The invention discloses a temperature control high-pressure reaction kettle, and relates to the technical field of hydrothermal reaction kettles, the temperature control high-pressure reaction kettle comprises a kettle body and a pressure monitoring assembly, and an opening in the top of the kettle body is provided with a threaded opening. In the using process, the pressure diaphragm is fixed to the notch in the middle of the lining cover through a screw, the pressure diaphragm protrudes along with the increase of the internal pressure of the lining, and the further protruding pressure diaphragm drives the valve needle to be located in the via hole to be jacked, so that the head of the valve needle protrudes out of the via hole in the middle of the boss; the situation that a user attempts to open the kettle cover by inserting a power assisting rod into a via hole under the condition of too large pressure is prevented, the fool-proof design can prevent the situation that an operator forcibly opens the kettle cover due to insufficient experience and consequently explosion occurs, and when the pressure in the lining returns to normal, the valve needle is reset under the action of the reset force of the first spring, and the valve needle is reset. At the moment, an operator can normally insert a power-assisted rod into the via hole, open the kettle cover and take out a final product, so that the hydrothermal reaction kettle is endowed with an excellent anti-explosion function.

The invention provides an automatic chemical reaction monitoring device and method. An automatic chemical reaction monitoring device comprises a chemical reaction unit, a temperature and pressure monitoring unit, a data processing unit, a video recording control unit and a synchronous clock unit, data are collected in real time through a high-precision temperature and pressure sensor, and a dynamic threshold value calculation module generates a self-adaptive threshold value based on a reference value and data fluctuation characteristics; the temperature and pressure combined trigger module identifies the jump characteristics and triggers video recording, and the synchronous clock unit realizes millisecond-level time synchronization of multi-source data. The method comprises the steps of reagent injection, temperature and pressure monitoring, dynamic threshold calculation, jump identification triggering, data synchronous recording and the like. The embodiment shows that the device can accurately capture transient temperature and pressure changes of the chemical reaction, the anti-interference capacity is remarkably improved compared with traditional fixed threshold triggering, and the device is suitable for chemical reaction mechanism research and industrial process control needing to monitor temperature and pressure coupling changes in real time.

A multifunctional chemical synthesis reaction kettle belongs to the technical field of chemical synthesis equipment and comprises a reaction kettle body, a reaction kettle cover is arranged at the top end of the reaction kettle body, and a synergistic reaction unit is arranged in an inner cavity of the reaction kettle body; the collaborative reaction unit comprises a reaction bin, the center of the reaction bin and the center of the reaction kettle body are located on the same vertical line, a top plate is installed at the top end of an inner cavity of the reaction bin, and a stirring shaft is rotationally arranged in the center of the reaction bin in the vertical direction. Aiming at the limitation of a traditional chemical synthesis reaction kettle, a vacuum space and dynamic pressure change mechanism is adopted, periodic vacuum pressure change is realized through reciprocating lifting, the static flowing limitation of materials is effectively broken through, the reaction kettle deeply acts on the materials with different viscosities and densities, the problems of non-uniform mixing and dead angles are solved, and mechanical stirring is combined. Double synergistic mixing is achieved, the mixing efficiency and uniformity are remarkably improved, the reaction process is accelerated, and the product quality is guaranteed.

The invention relates to an interfacial polycondensation tubular reactor for preparing polycarbonate, which is characterized in that a U-shaped structure is adopted, a spiral turbulent flow device is arranged in a straight pipe section, and a high-viscosity melt is disturbed, laminar flow is eliminated and mixing is enhanced in an active or passive mode; a multi-stage independent temperature control module is arranged outside, so that the temperature of each reaction section is accurately regulated and controlled. The inlet, the outlet and the temperature control interface of the reactor adopt high-temperature-resistant and corrosion-resistant sealing design, and U-shaped modular flange connection is convenient for disassembly, assembly, cleaning and continuous expansion. The design solves the problems of non-uniform heat transfer and material residue of a traditional horizontal disc reactor, poor flow distribution of a tubular reactor and the like, and has the following advantages: the melt flow uniformity is improved, and local overheating and excessive polycondensation are avoided; the reaction efficiency and molecular weight distribution are optimized through segmented temperature control; the structure is compact without dead angles, the side reaction and inner wall corrosion risks are reduced, and the device is suitable for efficient continuous synthesis of polycarbonate.

The invention discloses an in-situ high-temperature and high-pressure visible reaction kettle capable of considering the action of gravity and application of the in-situ high-temperature and high-pressure visible reaction kettle, and belongs to the technical field of multiphase fluid mechanics experimental equipment. According to the in-situ high-temperature and high-pressure visible reaction kettle provided by the invention, in-situ simulation of a gravity vector under a non-rotation condition is realized by utilizing linkage and inclination angle adjustment (0-90 degrees) of the optical fiber coupling laser light source and the model clamping device; the polygon prism reflection system corrects light path offset in real time to form an orthogonalization collimation light path, and the observation view field stability and the data accuracy in the processes of oil-water separation, CO2 diffusion and the like in the high-temperature and high-pressure environment are ensured. Besides, through a split type hoop body and a rigid locking sealing structure, the alternating stress effect of rotating torque on a sealing interface is eliminated, the high-pressure dynamic sealing failure risk is remarkably reduced, meanwhile, the device size is simplified, interference of peripheral equipment is avoided, and the experiment safety and the space adaptability are improved.

The invention relates to the technical field of autoclave sampling, in particular to an accurate sampling device for an autoclave. The reaction kettle body is provided with a sampling structure for sealing and sampling an internally processed object; the sampling structure comprises an assembly shell for integrally fixing the reaction kettle body, and a pressure equalizing unit and a sampling unit which are connected with the reaction kettle body are arranged in the assembly shell; in the sampling process of the reaction kettle body, the internal air pressure is discharged to the sampling unit, and the internal pressure of the reaction kettle body and the atmospheric pressure are kept in a balanced state through the sampling unit. According to the invention, the pressure equalizing unit is matched with the sampling unit, so that the internal air pressure of the reaction kettle is balanced with the atmospheric pressure before sampling, and sample splashing or leakage caused by pressure difference is prevented; after sampling, the inside of the reaction kettle can be recovered to a normal processing pressure state, the subsequent processing flow is not influenced, and the continuity and stability of the reaction process are ensured.

The invention relates to a pre-polycondensation reaction kettle which comprises a kettle body, the kettle body is provided with an inner chamber and an outer chamber, the inner chamber is used for pre-polycondensation reaction of esterified materials, a temperature control pipeline is arranged in the outer chamber and close to the outer wall of the inner chamber, and the temperature control pipeline is used for controlling the temperature of the inner chamber; the partition plate is arranged in the inner chamber, the partition plate is used for dividing the inner chamber into an upper reaction chamber and a lower reaction chamber, and the partition plate is provided with a shunting channel; the stirring assembly is arranged at the top of the kettle body, and the stirring end of the stirring assembly extends to the inner chamber of the kettle body; and the turbulent flow assembly is arranged in the inner chamber. Uniform material distribution and efficient heat transfer in the pre-polycondensation reaction process can be achieved, and the reaction efficiency and the product quality are improved.

The invention discloses a visual high-temperature and high-pressure thermal chemical reaction device. An observation window is arranged in the middle of a kettle body of the reaction kettle; the injection pressurizing device is arranged on one side of the reaction kettle, is connected with an injection port of the reaction kettle and is used for injecting pressure into the reaction kettle; the extraction metering device is arranged on the other side of the reaction kettle, is connected with a sampling opening of the reaction kettle and is used for sampling and metering a sample in the reaction kettle; the image data acquisition device is arranged on the outer side of the observation window and is used for acquiring images and data in the reaction kettle; and the central controller is electrically connected with the reaction kettle, the injection pressurizing device, the extraction metering device and the image data acquisition device respectively and is used for controlling the reaction kettle, the injection pressurizing device, the extraction metering device and the image data acquisition device. The reaction kettle disclosed by the invention has the beneficial effects that high-temperature and high-pressure conditions can be realized, and a thermal chemical reaction in the kettle body can be intuitively observed.

The invention discloses an endogenous steam in-situ braking expansion device and a hard carbon material preparation method, and belongs to the technical field of biomass pretreatment, and the endogenous steam in-situ braking expansion device comprises a steam explosion reaction cabin and a water storage cabin which are communicated. An electric heating device is arranged outside the steam explosion reaction cabin, the steam explosion reaction cabin is communicated with the water storage cabin, and an inductance heating device is arranged outside the water storage cabin. The brake expansion device adopts a mode of combining electric heating and inductive heating, water vapor is generated in situ, and energy loss caused by vapor condensation is effectively reduced. Compared with a traditional steam explosion machine, the steam explosion machine has the advantages that energy consumption is effectively reduced, materials can be conveniently fed and discharged, and meanwhile the problem that steam is generated, enters the steam explosion reaction cabin, is condensed and drips on the materials, and consequently treatment is not uniform is solved.

The invention relates to a preparation method of dichloromolybdenum dioxide, which comprises the following steps: S1, putting a raw material metal molybdenum into a reactor, and then vacuumizing the reactor; s2, heating the reactor, controlling the temperature to be 180-600 DEG C, introducing oxygen and hydrogen chloride into the reactor, and reacting for 0.5-3 hours; s3, performing two-stage purification on the reaction product obtained in S2, controlling the temperature of the first-stage purification to be 150-350 DEG C, controlling the temperature of the second-stage purification to be-50-50 DEG C, controlling the pressure to be-0.09-0.05 Mpa, and keeping for 0.5-2 hours; and S4, after the purification is finished, carrying out sampling detection on the dichloromolybdenum dioxide for many times, and collecting the dichloromolybdenum dioxide after the indexes are qualified. According to the method, high-purity hydrogen chloride and oxygen are used as reaction gases to react with metal molybdenum, and the two-stage purification process is performed after the reaction, so that the purity of the product is effectively improved, and the purity of the dichloromolybdenum dioxide prepared by the method can reach 99.99% or above.

The invention discloses a carbon dioxide ore-smelting gasification integrated collaborative device. The device comprises a carbon dioxide gasification unit used for converting liquid carbon dioxide into gaseous carbon dioxide; the carbon dioxide mineralization reaction unit is used for performing mineralization reaction on gaseous carbon dioxide; the hot air circulation system is connected between the mineralization reaction unit and the gasification unit and is used for transferring heat released by the mineralization reaction unit to the gasification unit; the cold air circulating system is connected between the gasification unit and the mineralization reaction unit and is used for returning cold air generated in the gasification process to the mineralization reaction unit for heating; and the ambient air introduction system is used for introducing ambient air into the air heating channel of the mineralization reaction unit, and the ambient air is used for heat exchange of the gasification unit after being heated. Through the synergistic effect of heat released by the mineralization reaction unit and the gasification unit, internal energy self-circulation is formed, efficient gasification and mineralization of carbon dioxide are achieved, energy consumption is reduced, and carbon emission is reduced.

The invention relates to the technical field of manufacturing of fusible polytetrafluoroethylene resin, in particular to a method for treating an unstable terminal group of fusible polytetrafluoroethylene, which is used for solving the problem that the unstable terminal group cannot be thoroughly treated in the prior art. The method comprises the following steps: heating fusible polytetrafluoroethylene resin to a molten state, after self-reaction, introducing high-purity fluorine-nitrogen mixed gas to carry out fluoridation reaction, and extracting impurities generated by the reaction to obtain unstable soluble polytetrafluoroethylene resin with a treated terminal group; according to the method, soluble polytetrafluoroethylene resin is heated to a molten state, and unstable terminal groups are thoroughly treated through self-reaction and fluorination reaction.

The invention discloses a diamond smoothing and patterning method and device based on catalytic agent energy field auxiliary etching, and belongs to the technical field of diamond smoothing and patterning, smoothing or patterning of diamond is achieved through the combined action of a catalytic agent and an energy field, and the contact part of the diamond and a catalytic agent disc is in contact with the catalytic agent disc under the catalytic action of the catalytic agent. Enabling the part, in contact with the catalyst, of the diamond to be subjected to etching reaction or graphitization reaction with oxygen atoms, and enabling the part, not in contact with the catalyst disc, not to be subjected to reaction, so that the diamond generates a structure corresponding to the surface of the catalyst disc; and the material removal rate of the diamond is remarkably improved, and damage to the surface and the subsurface of the diamond is avoided.

The invention relates to the technical field of silicon carbide synthesis, and discloses a synthesis method capable of improving solid-phase synthesis silicon carbide discharge rate and a silicon carbide synthesis furnace, the synthesis method comprises the following steps: crushing, screening, cleaning and drying a silicon carbide product block to obtain silicon carbide powder; the preparation method comprises the following steps: mixing silicon carbide powder, carbon powder, silicon powder and polytetrafluoroethylene powder by utilizing a high-energy ball milling technology and an ultrasonic-assisted mixing technology to obtain a mixed raw material; uniformly paving the mixed raw material in a graphite crucible, putting the graphite crucible into a silicon carbide synthesis furnace, and carrying out solid-phase synthesis of silicon carbide on the basis of optimal synthesis parameters output by a parameter optimization algorithm. According to the method, the production cost of solid-phase synthesis of silicon carbide can be effectively reduced, the yield of silicon carbide is remarkably improved, energy consumption and raw material waste in the production process are reduced, and the quality and purity of the silicon carbide product can be improved by accurately controlling synthesis parameters.

The production equipment comprises a base, the upper end of the base is connected with a kettle body, the base is connected with a preparation part, and the preparation part comprises a spinning device installed on the base; the processing part is arranged on the kettle body and used for assisting in processing spandex waste silk, the processing part comprises a first motor installed on the right side of the top of the kettle body, the output end of the left side of the first motor is connected with a bevel gear assembly, and the upper end in the kettle body is connected with an adjusting part. According to the production equipment and process for regenerating the spandex filaments from the spandex polymerization waste liquid, the air supply piece is matched with the cylinder body, the stirring frame, the ventilation ring, the guide pipe, the communicating groove, the ventilation block, the heat-resistant air bag, the movable ring and the safety valve, and the function of adjusting the space in the kettle body is achieved through telescopic adjustment of the heat-resistant air bag while heating and stirring in the kettle body are not affected.

The invention relates to the technical field of diamond synthesis raw material modification, and discloses a diamond synthesis raw material modification treatment device and method.The diamond synthesis raw material modification treatment device comprises a barrel body and further comprises a barrel cover, the automatic heating and pressurizing assembly is arranged in the barrel cover, and the automatic heating and pressurizing assembly is used for heating and pressurizing after the pressure in the barrel body is detected; and the detection pressure relief assembly is arranged in the barrel body and the barrel cover, and the detection pressure relief assembly is used for detecting the modification result of the diamond raw material and conducting pressure relief. The diamond raw material modification process can be automatically monitored, after diamond raw material modification is finished and diamonds are formed, pressure relief is automatically conducted on the barrel body, an alarm is automatically given after pressure relief to remind workers, the situation that the modification state of the diamond raw materials is not clear is avoided, and then the using effect of the equipment is improved.

The present invention relates to a pressure vessel system (1), comprising: - a pressure vessel (2) having a reaction chamber (3) in the form of a pressure chamber for initiating and / or promoting chemical and / or physical pressurized reactions of samples (P) received in the reaction chamber (3); and - a rail (50), which is rigidly connected to one part of the pressure vessel (2) and has a first connection point (51) for admitting fluid, a second connection point (52) for discharging fluid and a fluid line (53), which fluidically connects the first connection point (51) to the second connection point (52), the fluid line (53) being fluidically connected to the reaction chamber (3) via the second connection point (52), and the rail (50) comprising at least one third connection point (55), which is fluidically connected to the fluid line (53) and can be connected to a device (56) such that the device (56) is fluidically connected to the fluid line (53) and thus to the reaction chamber (3).

The invention relates to the technical field of pressing equipment, and particularly discloses a protection device of a cubic press, which comprises a mounting shell mounted on the outer side of the cubic press, and a signal controller, a protection signal harness end and a connection harness group are mounted on one side of the mounting shell. The signal controller is in signal connection with a detection axial calibration assembly, a three-monitoring-point debugging mechanism and a self-locking signal response assembly through the protection signal wire harness end. According to the diameter of a crack generation area, the magnetoresistive sensors are driven by the driving motor to axially debug the positions around the regulation and control support, and the extension lengths of the magnetoresistive sensors are debugged by the extension mechanism according to the central point of the crack generation area as a symmetrical end point, so that the three groups of magnetoresistive sensors can adjust the positions of the magnetoresistive sensors even if the crack is not in a holding-up hammer central plane state. The center point of the crack can be reselected to set equilateral test distances among the three groups of magnetoresistive sensors, so that the stability of the output end of the magnetic field is ensured, and the damage state of the holding-up hammer is accurately confirmed.

The embodiment of the present application provides a stirring device for a reduction kettle and a diaminobenzoic acid reduction method, which relate to the field of chemical technology. The stirring device for the reduction kettle includes a premixing tank, a connecting tank, a reduction kettle, a driving shaft, a slow injection component and an adjustable stirring component, wherein the slow injection component includes a gear ring, and the driving motor is started to drive the driving shaft to rotate. The premixed additives can be premixed through the slow injection component in the reduction kettle, and can slowly flow into the reduction kettle through the conveying hole for reduction processing, effectively reducing the impact of the violent reaction caused by the reduction reaction on the reduction kettle, providing the practicality of the reduction kettle, and then the adjustable stirring component in the reduction kettle can change the stirring diameter to adjust the mixing effect according to the strength of the reduction reaction, thereby improving the mixing effect of the reduction kettle and the accuracy of the reduction effect.

This invention discloses a high-pressure reactor with adjustable baffles, which includes a reactor body, several baffle components and stirring components. The baffle components are evenly spaced along the length of the reactor body and arranged inside the reactor body to divide the interior cavity of the reactor body into several isolated chambers. Each baffle component includes a fixed baffle, a movable baffle, and a lifting drive mechanism. The stirring components are respectively set in each of the isolated chambers. The beneficial effect of this invention is that during stirring, the first through-slot is staggered with the second through-slot to enhance the blocking effect on the material, thereby improving the stirring effect and the pressure leaching efficiency. After stirring is completed, the movable baffle is driven by the lifting drive mechanism to move and align the first through-slot with the second through-slot, allowing the material to quickly enter the next isolated chamber. Thus, this device can improve the blocking effect of the baffles on the material, enhance the stirring effect, and increase the pressure leaching efficiency without affecting production efficiency.

The artificial diamond synthesis system comprises a workbench, a cubic press is fixedly mounted at the top of the workbench, a cooling box is fixedly connected to one side of the workbench, and a discharging bearing plate is fixedly connected to one end of the cooling box; a clamping device for automatically feeding the synthetic diamond blocks is arranged on one side of the cubic press; a lifting device facilitating better feeding of the clamping device is arranged on the side, corresponding to the feeding port, of the top of the cooling box. And a translation device for pushing the synthetic diamond block to move is arranged in the cooling box, and a cooling device for reducing the temperature of the synthetic diamond block is arranged at the bottom of the cooling box. The problems that the diamond synthesis block is not easy to place and the temperature is high after synthesis are solved, and the synthesis automation of the artificial diamond is improved.

The present application relates to the technical field of diamond anvil cell pressurization, and particularly discloses a visible and controllable pressurization system based on a diamond anvil cell and a use method thereof, which solves the problem that the pressurization process of the diamond anvil cell cannot be observed and controlled accurately in the prior art. The system comprises a diamond anvil cell, the diamond anvil cell is installed on a fixing device, and a pressure detection assembly for obtaining the pressure in a sample cavity of the diamond anvil cell and a pressurization detection assembly for obtaining the pressurization state of the diamond anvil cell are arranged above the diamond anvil cell. The present application has the advantages that the pressurization process is visualized and controllable, the phenomena such as sample cavity deviation, deformation and liquid leakage of the diamond anvil cell are avoided, the uncontrollable problem of target pressure and pressurization step length is solved, and the experimental precision and success rate are improved.

The present disclosure, in one particular embodiment, relates to a plant and the production of urea in the plant, the plant comprising a valve body comprising an inner body portion and an outer body portion.

This application provides a steam energy-saving system for an autoclave, including an automatic steam distribution and reversing device, a heat energy utilization device, a condensate drain device, and a control cabinet. The automatic steam distribution and reversing device includes an autoclave, an autoclave inlet steam distribution cylinder, and an autoclave reversing steam distribution cylinder. Both the autoclave inlet steam distribution cylinder and the autoclave reversing steam distribution cylinder are equipped with regulating valves, which are connected to the autoclave. The heat energy utilization device includes a heat exchanger, one end of which is connected to a main condensate pipe, and the other end is connected to a soft water station. The condensate drain device is located at the bottom of the autoclave and is connected to the heat exchanger via the main condensate pipe. The control cabinet is electrically connected to both the automatic steam distribution and reversing device and the condensate drain device. This application features a simpler structure, fully automated processing, reduced labor costs, higher safety, and greater energy efficiency and environmental friendliness, saving at least 15% of steam.

The application discloses a liquid level compensation method and device of a 1-hexene reactor and a control system for preparing 1-hexene. The liquid level compensation method comprises the following steps: obtaining a pressure value and a temperature value in the reactor; calculating the gaseous ethylene density in the reactor according to the pressure value and the temperature value in the reactor; obtaining a differential pressure value and a liquid phase substance density in the reactor, wherein the differential pressure value comprises a real-time differential pressure value and a zero-point differential pressure value when the reactor is empty; and calculating the liquid level value in the reactor after liquid level compensation according to the gaseous ethylene density in the reactor, the differential pressure value and the liquid phase substance density in the reactor. The liquid level compensation method can determine the accurate liquid level of the reactor, and then accurately control the preparation of 1-hexene according to the compensated liquid level.

The present invention relates to an assembly used for synthesizing a composite sheet with a cylindrical protrusion at the tail and a synthesis method thereof; the assembly comprises a metal cup A, a metal cup B and an auxiliary ring; diamond micropowder is mixed with a binder and is arranged at the bottom of the metal cup A; a cemented carbide substrate is pressed on top of the diamond micropowder, the bottom is a large cylinder, and the top is a small cylinder coaxially connected to the large cylinder; the auxiliary ring is in the shape of a gasket corresponding to the small cylinder and is sleeved outside the small cylinder; the metal cup B is buckled and mounted on the top of the small cylinder; the auxiliary ring is made of a high-temperature and high-pressure resistant material. The steps of the synthesis method are: 1. preparing raw materials, 2. high-temperature and high-pressure synthesis, and 3. mechanical processing; the present invention uses the auxiliary ring to support the metal cup A during high-temperature and high-pressure synthesis to ensure the formation of the composite sheet; the metal cup A ensures that the diamond powder is formed and connected to the cemented carbide bottom; during mechanical processing, the auxiliary ring can reduce the cutting difficulty of the cylindrical protrusion, reduce the cutting processing cost of the cylindrical protrusion, and improve processing efficiency.

The present invention belongs to the field of gemstone optimization technology, and particularly relates to a kind of Shandong sapphire optimization treatment method. Comprise the following process steps: first Shandong sapphire sample is loaded: sapphire sample is laid in cubic pressure chamber, pressure chamber is squeezed with hydraulic press, compression volume, finally pressure chamber is sealed with graphite sheet, and sealing is standby;Then six-sided top press is used to process gemstone sample: pressure chamber is installed to top press center, temperature and pressure curve is set: temperature is made to reach 1600-1900 DEG C within 2h, pressure reaches 5-7GPa, and is kept warm for 15h under these conditions;Temperature is reduced to room temperature within 2h, and pressure is reduced to atmospheric pressure;Take out sample, sample is cleaned. The present invention uses high temperature and high pressure treatment method to process Shandong sapphire, accelerates sapphire to change, improves its own color and transparency, and Shandong sapphire is improved from black blue to purple blue, and obtains relatively good improvement effect.

The invention relates to the technical field of polyglycolic acid processing, and provides a degradation method and a preparation device of a polymer for well drilling leakage stoppage, and the degradation method comprises the following steps: preparation, pressurization, heating, regulation and control, and sampling inspection. The preparation process comprises the following steps: weighing 3 parts of 15g of A particles by using an electronic scale, and the sampling inspection process comprises the following steps: 8 hours later, adjusting a control cabinet, sequentially cooling and depressurizing a reaction kettle, opening the reaction kettle after safety is confirmed, closing the reaction kettle again, and repeating the steps of pressurizing, heating and regulating. According to the technical scheme, the problem that in the prior art, whether the degradability of a polyglycolic acid (PGA) material exists or not needs to be judged by means of observation, analysis and the like is solved, a degradable polyglycolic acid (PGA) particle sample is placed in a beaker, clear water is added, the beaker and the beaker are placed in a hot box, the mixture is heated for a period of time at different given temperatures, then the surface morphological change of the sample is observed, and the detection result is accurate. The thermal stability of the material at different temperatures can be evaluated according to the color change, the surface structure damage and the like.

The present invention relates to the technical field of supercritical water oxidation reaction equipment, specifically a supercritical water oxidation slag discharge system for radioactive organic waste, which includes a supercritical water oxidizer, a slag discharge valve pipe II for discharging solid-liquid waste, and a slag discharge valve pipe I for discharging gas waste; it further includes: an interconnection pipe, horizontally and threadedly installed at one end of the slag discharge valve pipe I, and an air extraction connection port is formed on the top wall of the upper shell; a refrigeration sheet, arranged inside the interconnection pipe below the air extraction connection port, for condensing the flowing hot gas; a sponge, closely arranged inside the interconnection pipe between the scraping ring and the air extraction connection port, for adsorbing the hot gas waste flowing through the interconnection pipe to the air extraction connection port. Through the setting of the above structure, the sponge in the present invention can adsorb and dry the flowing hot steam, so that the salted water vapor is absorbed by the sponge, and the relatively dry gas waste is discharged and treated through the air extraction connection port, reducing the salted hot steam being transported to the gas treatment equipment.