168 results about "Gas retention" patented technology

The invention relates to the technical field of asphalt production, in particular to a directly modified rubber powder asphalt production reaction device which comprises a reaction kettle, a stirring shaft is rotatably arranged in the reaction kettle, a plurality of stirring rods are arranged on the outer side of the stirring shaft, a plurality of expansion rods are rotatably arranged on the outer sides of the stirring rods, the stirring shaft is of a hollow structure, and the expansion rods are arranged on the outer side of the stirring shaft. An angle adjusting unit for driving the stirring rod to rotate is arranged in the stirring rod, a driving unit for driving the expansion rod to unfold on the outer side of the stirring rod is arranged in the stirring rod, and a plurality of temperature sensors are arranged on the inner wall of the reaction kettle. Diffusion of the modifier on a high-temperature low-viscosity surface layer is accelerated, film formation and gas retention are prevented, and uneven mixing caused by bubbles is reduced; the bottom stirring rods are small in unfolding angle, so that the bottom shearing strength is reduced, excessive stirring of deposited aggregate or modifier particles is avoided, and stable flowing of the bottom layer is maintained.

The invention discloses automatic fermentation equipment for tea processing, and relates to the technical field of tea fermentation, the automatic fermentation equipment comprises a box body and a sealing door arranged on the box body, a separation frame body is fixed on the box body, the automatic fermentation equipment further comprises a guide groove fixed on the separation frame body, a tea tray is connected to the guide groove in a sliding manner, a humidifying unit is arranged on the box body, and the tea tray is connected to the guide groove in a sliding manner. The humidifying unit is used for increasing the humidity of air in the box body; the humidifying unit is arranged on the box body, the air exhaust unit is arranged on the box body and used for exhausting air in the box body out of the box body, the water coagulation beads on the tea tray are removed through a coagulation bead removing mechanism on the guide groove, the coagulation bead removing mechanism is matched with the air exhaust unit, and a controller matched with the humidifying unit and the air exhaust unit is arranged on the box body; the multiple air suction pipes are adopted to suck water vapor, the problem of gas retention caused by a traditional exhaust mode can be solved, the innovative method improves air flow, water vapor accumulation is avoided, the stability of the tea fermentation environment is ensured, and the fermentation quality is improved.

The invention discloses a gasoline catalytic distillation desulfurization device and a gasoline catalytic distillation desulfurization method, relates to the technical field of hydrogenated gasoline processing, and aims to solve the problems that although various oil resources can be fractionated at different temperatures, the existing distillation desulfurization device is single in function and low in desulfurization efficiency due to limitation of gas retention time; the technical problem that the processing safety and quality are affected due to local hot spots and coking easily caused by distillation depending on the gas floating characteristic in the prior art is solved, and the device comprises a sealing assembly, a driving assembly connected with the sealing assembly and a collecting assembly located in the sealing assembly. By designing the collecting assembly and the isolating assembly, gasoline steam can be ensured to be in uniform contact with a solid catalyst, the desulfurization effect is guaranteed, on the other hand, gas can be in uniform contact with the isolating assembly and the collecting assembly in cooperation with operation of the motor, hot spot areas formed by overhigh local temperature in the initiation tower and the coking phenomenon are avoided, and the desulfurization efficiency is improved. And the use safety of the device and the quality of processed gasoline are ensured.

The utility model relates to an X-ray tube anode target disc fixing structure which comprises a rotor, and an anode target disc, a fixing nut, an anti-loose gasket and a locking cover are sequentially installed on the rotor. The locking cover tightly presses the anti-loose gasket, so that the anti-loose gasket generates elastic deformation between the fixing nut and the locking cover; the anti-loose gasket is a wave-shaped gasket; an anti-rotation structure is arranged between the rotor and the anode target disc, the anti-loose gasket is provided with 4-6 waveforms and is made of molybdenum alloy or tungsten alloy, and the rotor is in clearance fit with the anode target disc. The utility model has the advantages of high reliability, long service life and low assembly requirement, eliminates the gas retention risk of the internal closed cavity, and realizes the directional dredging of the gas by establishing a communication channel between the cavity and the external high vacuum environment.

The invention belongs to the technical field of ocean engineering drag reduction, and relates to a self-adaptive chemical gas production underwater drag reduction layer and a preparation method thereof.The surface of an aircraft is regarded as a gas production place and transformed into an intelligent interface with sensing and feedback capabilities, inert gas generated by reaction of reactants is detained and utilized in situ through microstructure design, and the self-adaptive chemical gas production underwater drag reduction layer is obtained. The independent micro chamber structure avoids diffusion of local failure, the macroscopic flow guide structure relieves the problem of non-uniform gas film distribution, external energy input is not needed, the chemical reaction rate is reversely and adaptively regulated and controlled based on the physical effect generated by gas retention, and therefore a closed-loop passive self-adaptive resistance reduction film layer is formed. Reaction byproducts are environment-friendly water-soluble sodium chloride and water and are removed in a pulse type reaction mode of high-speed water flow scouring and gas retention, so that the risk of permanent blockage is reduced, safety and environment friendliness are achieved, the energy utilization efficiency is high, meaningless waste of gas is avoided, and the cruising ability of fuel is equivalently and greatly improved.

The invention discloses an improved interdigital jet flow field device and a proton exchange membrane water electrolysis hydrogen production device thereof, and aims to solve the problems of non-uniform reactant distribution, gas retention, local hot spots and the like of a traditional flow field. The traditional flow field design, such as a parallel flow channel and a snakelike flow channel, generally has certain limitations in the aspects of fluid flow resistance, mass transfer efficiency, thermal management uniformity and the like, and is difficult to meet the requirements of a high-performance water electrolysis device; through an optimized geometric structure and a gas emission strategy, uniform distribution of reactants is promoted, and gas stagnation areas and local high hot spots are reduced, so that more efficient current density distribution uniformity and heat production management uniformity are realized. The flow field adopts a staggered jet flow channel structure, and is combined with an optimally designed under-rib opening channel, so that the vertical flow velocity is increased, the pressure drop is reduced, and the gas-liquid interface reaction efficiency is improved.

A substrate storing container includes: a gas ejection nozzle unit having a plurality of apertures for supplying to the substrate storing space a gas that has flowed into the ventilation paths; and a gas flow rate equalizer capable of causing the gas to flow out from the plurality of apertures at an equalized flow rate. The gas flow rate equalizer includes a gas detention chamber, a pre-outflow gas retention chamber, and inter-chamber partitions defining an inter-chamber flow path that blocks straight-line communication between the gas detention chamber and the pre-outflow gas retention chamber but allows for communication between the gas detention chamber and the pre-outflow gas retention chamber.

The mold comprises a lower box shell, a middle box shell, an upper box shell and a reinforcing top cover, the middle box shell is connected with the lower box shell, the upper box shell is assembled at the upper end of the middle box shell, the reinforcing top cover is assembled at the upper end of the upper box shell, and the reinforcing top cover is connected with the middle box shell. A machining groove is formed in the top of the reinforcing top cover, the left side and the right side of the machining groove communicate with a sand-coated pouring cup and an exhaust channel correspondingly, the exhaust end of the exhaust channel communicates with waste gas purification equipment, waste gas generated in the casting process is guided into the waste gas purification equipment through the exhaust channel, and the waste gas can be filtered and purified. According to the mold for casting the ductile iron support and the casting process, natural discharge of gas in the pouring process is promoted, and the situation that the quality of a casting is affected by gas retention is avoided; the chemical components of the casting are controlled, and the pouring temperature is combined, so that the uniformity and mechanical property of the ductile iron structure are ensured, and the comprehensive quality of the casting is improved.

The invention discloses a metal laser welding pore defect positioning detection method fusing weld joint temperature field data, and belongs to the technical field of metal laser welding defect detection. A temperature field gas escape coupling model is constructed by obtaining a welding seam temperature field space-time matrix and material thermophysical parameters, and a gas retention distribution value is determined; extracting a characteristic spectral line offset and a molten pool bubble characteristic parameter; performing cross-scale fusion on the features through a multi-scale feature fusion positioning model, and outputting initial positioning coordinates of the pores; the initial coordinates are corrected based on temperature field backtracking, and target three-dimensional coordinates are determined after gas retention conditions are verified; through collaborative fusion and backtracking correction of the temperature field and the multi-source features, the air hole defect positioning precision is improved, and the method is suitable for online defect detection in the metal laser welding process.

The invention relates to the technical field of waste gas treatment, in particular to a stink tail gas treatment device for treating dead animals, which comprises a spray tower arranged on a rack, a filtering mechanism arranged in the spray tower and used for purifying spray water, and a flushing mechanism arranged on the rack and used for cleaning filler balls, the spray tower comprises a tower shell assembly arranged on the rack, a spray assembly arranged in the tower shell assembly and a filling assembly arranged in the tower shell assembly and used for dynamically distributing filler balls; according to the invention, the filler balls can be dynamically arranged, the upward flowing path of tail gas is changed, the tail gas retention time is prolonged, the reaction contact surface between the filler balls and the tail gas is increased, the tail gas can fully react with spray water, the tail gas purification efficiency is improved, and the problem that the hollow ball filler in the traditional spray tower is statically placed and cannot be used for purifying the tail gas is solved. And the tail gas purification efficiency is low.

The invention belongs to the technical field of energy utilization, and relates to a large-specific-surface-area high-salinity wastewater crystallization device and method.The device comprises an air distribution chamber, a rapid drying section, a conical transition section and a secondary drying and settling section, high-salinity wastewater to be treated is evenly sprayed to the surface of high-temperature filler in the rapid drying section through a water spraying device, and a large-specific-surface-area film is formed; through direct contact type heat exchange with the high-temperature filler and high-temperature primary air, the high-salinity wastewater is rapidly evaporated and crystallized, and salt generated in the evaporation and crystallization process is attached to the surface of the high-temperature filler, discharged from a solid material outlet and collected; gas sequentially passes through the conical transition section and the secondary drying and settling section, and high-temperature secondary air is introduced at the same time, so that on one hand, the temperature in the crystallization device and the gas retention time can be controlled to completely evaporate liquid water contained in the gas, and the gas is discharged from a gas outlet; on the other hand, most salt attached to the inner wall of the crystallization device can be blown off and settled to the rapid drying section.

The invention relates to the technical field of evanescent mode casting, and discloses an evanescent mode casting process which comprises the following steps: adopting a closed pouring system; setting a pouring temperature; a bottom pouring type pouring system is adopted; a furan resin self-hardening sand core is embedded in the part difficult to fill sand, after a process hole with the diameter smaller than or equal to 50 mm is formed, filling is conducted through an EPS block, sealing is conducted through a high-temperature-resistant adhesive tape, and compaction is assisted through vibration compaction equipment during sand filling; through multi-process collaborative optimization, a full-process controllable lost foam casting system is constructed, the casting density is improved compared with a traditional process, and the tensile strength is improved; the rejection rate is greatly reduced, and the production cycle is obviously shortened; and the dry sand recycling rate is high, and the comprehensive cost is reduced. According to the technical scheme, the problems of discontinuous mold filling, gas retention, dry sand collapse and the like in lost foam casting are solved, and a standardized solution is provided for industrial production of high-end castings.

The invention discloses a high-precision forming mold and process for a chain shaft core, and belongs to the technical field of chain shaft core forming molds. The high-precision forming mold and process for the chain shaft core comprise a mold body used for forming the chain shaft core, and a core groove is formed in the mold body; the punching rod is directly inserted into the core groove of the die body and is used for carrying out forming processing on the chain shaft core; an oil discharging groove is formed in the punching rod and used for discharging gas in the die and reducing the taper of the R corner of the shaft core. The device can solve the problem of suffocation, is used in cooperation with a through groove, assists in discharging gas, further reduces the possibility of suffocation, meanwhile, selects a mode of secondary forming of an R angle, solves the problem of taper and the problem of the R angle, and guarantees the quality of a finally produced chain shaft core.

To provide a liquefied gas storage tank capable of reliably recovering low-temperature liquefied gas from a tank body even when a plurality of skeleton members is disposed inside the tank body.SOLUTION: A triple shell tank 1 comprises a tank body 1T having an inner wall that partitions a space for storing low-temperature liquefied gas, and a roof skeleton 6 that is disposed in the tank body 1T and supports a tank roof. A ring skeleton member 63P constituting a ring 63 of the roof skeleton 6 is disposed so as to form a retention wall 7 that creates a gas retention space 71 that is open at the bottom and closed at the top, in combination with an inner wall of a roof. A purge opening 64 is provided in a top part 63T of a flat plate part 631 of the ring skeleton member 63P, which connects the retention space 71 with an upper space 72 located above the retention space 71.SELECTED DRAWING: Figure 7

The invention relates to an autoclaved laminating device of laminated glass and a preparation method of the laminated glass, the autoclaved laminating device of the laminated glass comprises a vacuum bag, the vacuum bag is used for placing the laminated glass, the vacuum bag is connected with a first vacuum pump through a first exhaust pipe, the vacuum bag is arranged in a sealing device, and the first exhaust pipe is connected with a second vacuum pump through a second exhaust pipe. The first exhaust pipe penetrates through a sealing device and then is connected with the vacuum bag, a valve is arranged on the sealing device, and the sealing device is connected with a second vacuum pump through a second exhaust pipe. The sealing device is arranged on the outer layer of the vacuum bag, and the inner surface and the outer surface of the vacuum bag are synchronously vacuumized, so that the rubber sheet is not stressed in the vacuumizing link, and the air guide lines of the rubber sheet exhaust smoothly, so that the aims of quickly and smoothly exhausting air in a cementing layer and avoiding residual gas retention are fulfilled; and the phenomena of degumming and bubbles of the laminated glass caused by residual gas are prevented.

The application discloses an automatic steel billet perforating device and belongs to the technical field of seamless steel pipe production. The device is provided with an exhaust mechanism. A connecting shaft is arranged in the middle of a blocking plate and is provided with blades matched with the inner wall of a hollow top head. When the blades rotate, the bubble gathering state in the gas blocking area is broken, gas and liquid cooling medium are mixed to form gas-liquid two-phase flow, and the gas is pushed to move to the discharge end of the blocking plate, so that the gas retention in the hollow top head inner cavity is reduced.

The invention discloses a sealant composition for a self-repairing tire and application of the sealant composition. The sealant composition of the present invention includes at least a silanized polyolefin and a thermoplastic elastomer. The sealant composition disclosed by the invention can be used for preparing the self-repairing tire, can keep the balance of viscosity, plasticity, adhesion and conformability at the same time during the use of the self-repairing tire, and can greatly improve the gas retention rate of the self-repairing tire.

The utility model discloses a bromhidrosis post-operation wound pressure bandaging device which comprises a front elastic cloth, elastic shoulder straps are fixedly connected to two sides of the upper surface of the front elastic cloth, a pressure air bag is fixedly connected in each elastic shoulder strap, and a rear elastic cloth is fixedly connected to one side, far away from the front elastic cloth, of each elastic shoulder strap. The pressurizing air bags are arranged on the armpits of a patient and are fixed through the elastic cloth and the elastic shoulder straps, wearing is convenient, the pressurizing air bags are inflated, the grooves are aligned with the armpit wounds, the hard silica gel on the two sides of the grooves apply proper pressure to the armpit skin, it is guaranteed that the skin in an operation area makes good contact with surrounding tissue, and the operation effect is good. Hydrops and gas retention are prevented, growth of skin and subcutaneous tissue is promoted, the risk of infection is reduced, and rehabilitation is facilitated.

The casting mold exhaust device for alloy smelting comprises an upper exhaust block, a lower exhaust block and an exhaust pin assembly, an inlet, an overflow groove, first to fourth flow blocking channels, an air outlet channel and an exhaust port are sequentially arranged between the upper exhaust block and the lower exhaust block in a communicating mode, and the second flow blocking channel and the fourth flow blocking channel are each provided with a porous ceramic plate; the exhaust pin assembly is arranged at the exhaust port. The overflow groove serves as a buffer area of molten metal and can collect cold materials, gas and redundant molten metal. The multi-stage flow blocking channel can block molten metal from flowing upwards and promote bubbles to float upwards and gather through the gravity and fluid dynamics principle, meanwhile, gas is guided to be separated naturally and flow directionally, gas retention is avoided, and the exhaust efficiency is improved. And the porous ceramic plate can optimize the exhaust efficiency and the metal liquid blocking capacity. By means of the casting mold exhaust device, the defects of casting air holes, shrinkage porosity and the like can be remarkably reduced, and the casting density and mechanical property are improved. The exhaust pin assembly facilitates the control of the installation depth of the exhaust pin and improves the use flexibility.

The utility model discloses a solid-phase extraction device capable of preventing splashing. The solid-phase extraction device comprises a base, a test tube with a conical opening part and a nitrogen blowing tube, through the optimized design of the chock plug structure, the holes are formed in the surface of the chock plug to allow nitrogen to be smoothly discharged after purging, and pressure abnormity caused by gas retention is avoided; meanwhile, the edge of the plug is tightly attached to the inner wall of the test tube, liquid flowing back along the tube wall is physically blocked, splashing loss and cross contamination are prevented, the dual functions of exhaust and liquid sealing are achieved, an infrared heating plate is adopted to be matched with a heat insulation layer, non-contact heating is directly conducted on the bottom of the test tube, rapid evaporation is achieved, and temperature distribution is uniform; by combining the visual design that the bottom of the test tube is completely exposed, the concentration process can be observed in real time, excessive dry burning is prevented, the background plate and the direction-adjustable LED light bar are integrated, and the liquid level observation definition is remarkably improved through the high-contrast background and lateral light supplement.

The invention provides a waste water drying monitoring method and system based on gas variable-speed flow. The method comprises the following steps: S1, atomizing wastewater, feeding the atomized wastewater into a drying tower, introducing gas into the drying tower to evaporate and dry atomized wastewater liquid drops, and monitoring the inlet gas temperature, the on-way gas temperature and the outlet gas temperature of the drying tower in real time; s2, the gas retention time th is obtained through a formula; S3, the waste water flow and the gas flow are regulated and controlled according to the gas retention time th, and the retention time th and the drying tower outlet gas temperature are kept within a preset range. According to the method, the characteristics of the wastewater in the constant-speed evaporation stage and the reduced-speed evaporation stage are fully considered, an inverse function dynamical model of the gas flowing time and the flowing distance is established according to the relation between the gas flowing speed and the temperature in different evaporation stages, the calculation accuracy of the gas retention time in the drying tower is improved, and the calculation efficiency is improved. And the treatment effect and the operation stability of the system are ensured.

To provide a switch which suppresses lowering of insulation property caused by damage of a narrow slit.SOLUTION: A switch 11 includes a fixed contact 12, a movable contact 13, and an arc-extinguishing chamber 14. The fixed contact 12 is connected to a primary-side connection terminal 16. The movable contact 13 is connected to a secondary-side connection terminal 18, and is brought into contact with and separated from the fixed contact 12 by rotation. The arc-extinguishing chamber 14 stores the fixed contact 12, and extinguishes arc in current interruption by a narrow slit 51 in a width direction. The arc-extinguishing chamber 14 includes a storage part 52, and a gas retention part 55. The storage part 52 is expanded in a width direction more than the narrow slit 51 and stores the fixed contact 12. The gas retention part 55 is provided in the front of the storage part 52 in a depth direction, is expanded in the width direction more than the narrow slit 51 and retains arc gas in current interruption.SELECTED DRAWING: Figure 6

The invention relates to the technical field of oil well oil and gas production equipment, in particular to application of a closed oil well oil and gas production metering device, which is characterized in that the closed oil well oil and gas production metering device is provided with a three-phase separator, a flowback liquid recovery tank, a crude oil tank and a gas combustion torch / gas collector, a gas control valve and a gas pressure regulating valve are arranged on the gas conveying pipeline, the gas pressure regulating valve is arranged between the gas control valve and the gas combustion torch / gas collector, a low-pressure connecting pipeline is further arranged, one end of the low-pressure connecting pipeline is connected into the gas conveying pipeline between the gas control valve and the gas pressure regulating valve, and the other end of the low-pressure connecting pipeline is communicated with a crude oil tank; the crude oil tank, the gas conveying pipeline, the gas control valve, the gas pressure regulating valve and the low-pressure connecting pipeline form a low-pressure subsystem, the amount of gas remaining in the low-pressure subsystem is adjusted by adjusting the pressure of the gas pressure regulating valve on the gas conveying pipeline, so that the crude oil tank is in a pressure maintaining state, and the system pressure is controlled within 2.5 Mpa.

The invention belongs to the technical field of food processing, and particularly relates to low-fat cream stuffing and a preparation method thereof. The invention firstly provides the high-water-binding-capacity grease composition suitable for the cream stuffing, and the high-water-binding-capacity grease composition utilizes the interface self-assembly capability of phospholipid and the crystal particle adsorption effect of sucrose fatty acid ester, mono-glycerol fatty acid ester and diglycerol fatty acid ester to ensure that a stable three-phase emulsification system is formed after the grease and syrup are mixed. By using the high-water-binding-capacity grease composition, the invention develops the three-phase emulsification system instant cream stuffing which has excellent water absorption, gas-binding capacity and shape-maintaining performance after being whipped.

The utility model discloses a shutter cap hood tray, which belongs to the technical field of chemical engineering, and adopts the technical scheme that the shutter cap hood tray comprises a retention tray, a riser tube is fixedly connected to the inner side of the retention tray, a downcomer is fixedly connected to the bottom of the retention tray, and a shutter shunting mechanism is movably connected to the top of the retention tray. A flow adjusting mechanism is movably connected to the inner side of the downcomer, the gas-liquid interaction efficiency and the separation effect can be remarkably improved through a dynamic louver blade structure, the gas retention time is prolonged through a multi-stage retention space formed by a semispherical tower cover and a liquid layer, and bubbles fully react in the liquid layer; the louvre blades driven by the servo motor swing back and forth to refine an airflow path, increase the gas-liquid contact area and strengthen mass transfer; thirdly, dead angles, prone to scale deposition, of a static structure are eliminated through dynamic swing, and meanwhile impurity accumulation is restrained through shearing force generated by mechanical movement; finally, the maintenance cost is reduced while the separation efficiency is improved.

The invention relates to a gas generator with a gas inlet supercharging structure. The gas generator comprises a generator body, an engine, double turbochargers, double intercooling box type intercoolers and a mixer. The generator is connected with an output shaft of the engine, the exhaust end of the engine drives the double turbochargers to supercharge air and fuel gas independently, and the risk of premixed combustion is avoided. Pressurized gas enters the corresponding intercooling boxes, is cooled and then converged into the mixer, and then is introduced into an air inlet of an engine, so that the problem of tempering of an air inlet of a traditional premixing unit is solved. The intercooling box is provided with an S-shaped air channel to prolong the gas retention time, a rectangular heat exchange groove is formed in the side wall, hollow heat dissipation fins (cooling water is introduced) are arranged in the groove in parallel and matched with a heat dissipation fan on the side wall of the intercooler to form double heat exchange of water cooling and air cooling, and the heat exchange efficiency is greatly improved. The heat exchange groove is provided with double cleaning brushes, heat dissipation is prevented from being affected by dust and oil stains, and the heat dissipation structure is simplified. The water pipe is provided with a branch pipe connector with an electromagnetic valve, water stain cleaning equipment can be connected, and water scale in the fins can be cleaned regularly.

The utility model discloses an attaching structure of an electronic product, which comprises a flexible attaching object, the flexible attaching object is used for being attached to the surface of the electronic product, the attaching surface of the flexible attaching object is provided with air stagnation holes, and the air stagnation holes are used for absorbing air; the attaching structure of the electronic product can effectively solve the problem of swelling caused by gas retention when the flexible attaching object is used for large-area attaching, gas generated during attaching can be effectively absorbed by arranging the gas retention holes in the attaching face of the flexible attaching object, retention of the gas under the attaching face is reduced, and the attaching effect of the electronic product is improved. Bulging caused by gas pressure is avoided, and it is ensured that the attached surface is smoother, so that the bonding stability of an attached object and the surface of an electronic product is improved, and the service life of the product is prolonged.

This invention discloses a method and system for removing hazardous gases from a special gas supply equipment, relating to the field of hazardous gas removal technology. The method includes: numerically simulating the gas flow path inside the equipment to identify hazardous gas retention areas; applying a magnetoacoustic coupling field to the retention areas to desorb the hazardous gases and migrating the desorbed gases to a preset safe treatment area; extracting and fusing optical and spectral features using a learnable encoder to obtain the physicochemical characteristics of the residual hazardous gases; constructing a digital twin model to simulate the residual diffusion behavior and retention risk of the residual hazardous gases within the equipment; optimizing the parameters of the magnetoacoustic coupling field and iteratively optimizing it until the hazardous gases are completely removed from the equipment. This invention improves the efficiency and directionality of hazardous gas removal, reduces the safety risks caused by residues, and thus ensures the stability of the special gas supply equipment operation and the safety of the operating environment.

The utility model provides a thermoinduction adjustable corrugated packing, which relates to the technical field of chemical packing and comprises a corrugated packing layer and a limit ring seat, the corrugated packing layer comprises temperature sensing material wires and a positioning ring, and the temperature sensing material wires are respectively arrayed in two mutually perpendicular directions of the positioning ring. A plurality of corrugated packing layers are arranged in the limiting ring base in the vertical direction, a positioning screw ring is arranged on the top face of the limiting ring base, the multiple sets of corrugated packing layers with staggered angles are used, the circulation path between the adjacent corrugated packing layers is increased, and the temperature sensing effect is improved. The temperature sensing material wires woven in the warp and weft mode are arranged in the corrugated packing layer to sense the temperature, when the temperature rises, the temperature sensing material wires expand, the overall density of the corrugated packing layer is increased, the gas retention time is prolonged, the gas contact area is increased, the pore diameter density of the whole corrugated packing layer can be controlled according to the temperature, and adaptability is high; and rapid gas separation is facilitated.

The utility model relates to an improved water pump shell, belongs to the field of water pump accessories, and provides the improved water pump shell aiming at the problem that an existing pump shell is poor in exhaust effect, the improved water pump shell comprises a pump shell body, a water inlet pipe and a water outlet pipe which are connected into a whole, the pump shell body is annular, one end of the pump shell body is connected with a motor, and the water inlet pipe and the water outlet pipe are both located at the top of the pump shell body; the first exhaust valve is arranged on the top of the water inlet pipe from top to bottom, and the second exhaust valve is arranged on the side portion of the water outlet pipe from top to bottom. The water inlet pipe and the water outlet pipe are located at the top of the pump shell, gas located at the high position conveniently enters the water inlet pipe and the water outlet pipe, when water enters the pump shell from the water inlet pipe, the gas is easily squeezed to the high position of the water inlet pipe, the first exhaust valve is arranged at the top of the water inlet pipe, and the gas at the high position can be effectively prevented from remaining; the second exhaust valve is arranged on the side of the water outlet pipe, gas exhaust is facilitated, gas residues can be reduced, and the exhaust effect is further improved.