359results about How to "Avoid stranded" patented technology

The utility model discloses a die cutting device for high-precision heat-conducting gasket production in the technical field of heat-conducting gasket production, which comprises a bottom plate, a vertical plate is fixedly connected to the middle of the rear side wall of the bottom plate, a mounting plate is fixedly connected to the upper side of the front side wall of the vertical plate, and a first electric telescopic rod is fixedly connected to the front side of the bottom of the mounting plate. The bottom end of the first electric telescopic rod is fixedly connected with a hollow plate, slotted holes are formed in the bottom of the hollow plate and evenly distributed, inner cavities of the slotted holes communicate with an inner cavity of the hollow plate, a cutting mold is inserted into the inner cavities of the slotted holes, and an ejection block is slidably connected to the inner cavity of the cutting mold. The die cutting device for high-precision heat conduction gasket production is reasonable in structural design, heat conduction gaskets subjected to die cutting can be prevented from being retained in a cutting die, the situation that the sizes of the heat conduction gaskets subjected to die cutting are inconsistent due to the fact that materials are arched and unsmooth during die cutting can be avoided, and therefore the die cutting precision is improved.

The invention relates to the technical field of extrusion molding, in particular to an extrusion molding device for ultra-high molecular weight polyethylene pipe production, which comprises an extrusion cylinder, double screws and heating rings, the heating rings are uniformly distributed on the outer wall of the extrusion cylinder, the double screws are rotatably mounted in the extrusion cylinder, and a motor connected with the double screws is further arranged at the tail end of the extrusion cylinder. By arranging the driving assembly and the scraping assembly, when waste attached to the double screws is increased and the pressure in the extrusion barrel is increased, the driving assembly moves due to the increase of the pressure, a gear on the driving assembly transmits power of a motor to a lead screw, and the lead screw rotates to drive the scraping assembly to move back and forth while the scraping assembly is driven to move back and forth. According to the double-screw extruder, the scraper on the double-screw extruder extends out of the scraping assembly, then waste adhered to the double screws is scraped, after the waste is scraped, the pressure in the extrusion cylinder is reduced, the plug rod is reset, the scraper retracts into the scraping assembly, and then it is guaranteed that the scraper does not interfere with follow-up materials.

The utility model relates to the technical field of conveying belts, and provides a hose flange conveying belt. The hose flange conveying belt comprises a base belt and hose flanges arranged on the two sides of the base belt. The hose flange is of an arch structure and is made of PU or PVC. Due to the fact that the hose flanges are arranged on the two sides of the base belt, materials can be prevented from being detained in the conveying process, material disintegrating slag is prevented from remaining, conveying efficiency is improved, pollution to follow-up material conveying is avoided, and meanwhile the materials can be prevented from deviating on the advancing route and falling off from the side edge of the advancing route of the conveying belt.

The invention relates to the technical field of plastic recycling devices, in particular to a macromolecular plastic recycling and processing device and a using method thereof.The macromolecular plastic recycling and processing device comprises a sorting box, a hopper is fixedly connected to the upper end of the sorting box, a reamer is rotatably mounted at the inner end of the hopper, and a stirring barrel is fixedly connected to the left end of the inner side of the sorting box through bolts; a separation plate is fixedly installed at the inner end of the sorting box, a center rod is rotatably installed at the inner end of the stirring barrel, a spiral plate is fixedly connected to the outer surface of the center rod, a sorting plate is fixedly installed at the upper end of the separation plate, a plurality of rectangular holes are formed in the upper end of the sorting plate, and movable boxes are arranged in the rectangular holes in a penetrating mode; a flushing device for flushing plastic particles is arranged in the movable box, small particles attached to large particles are flushed down through the flushing device, attachments can be effectively removed, the cleanliness of the large particles is guaranteed, impurities are prevented from affecting follow-up treatment, meanwhile, the small particles are effectively prevented from being retained or lost, and the service life of the plastic particles is prolonged. The comprehensive utilization of the recovery system is ensured, and the resource waste is reduced.

The invention relates to the field of hygienic products, and discloses a macroporous super-breathable, dry and comfortable hygienic product and a preparation process thereof, and the macroporous super-breathable, dry and comfortable hygienic product comprises a macroporous non-gel composite non-woven fabric, a nano platinum antibacterial layer, intelligent super absorbent resin and a softened surface layer. A macroporous structure is introduced into the surface of the non-woven fabric, so that the absorption speed of liquid and the air circulation are obviously improved; the nano platinum antibacterial layer endows the product with efficient antibacterial performance, effectively inhibits the growth of bacteria, and improves the hygienic guarantee of a user; the intelligent SAP automatically adjusts the water absorption capacity according to the environment humidity, rapidly expands under the high-humidity condition, improves the water absorption efficiency, locks the liquid and prevents the liquid from permeating back; the surface layer subjected to softening treatment further improves the comfort and the skin-friendly property of the product, and skin friction is reduced. The product is suitable for baby diapers, female sanitary napkins and adult incontinence nursing products, excellent air permeability, dry and comfortable performance and antibacterial performance are provided, and the comfortable experience of a user is remarkably improved.

The utility model discloses an outdoor electrical cabinet with a diversion function, which comprises a cabinet body, a plurality of air suction holes uniformly arranged on the periphery of the lower end of the cabinet body, an air ball assembled in the middle of the upper surface of the cabinet body, a cabinet door hinged on the front surface of the cabinet body, and a circle of hole protection bridge connected inside the lower end of the cabinet body. The hole protection bridge is of a hollow structure and covers the air suction holes, and a plurality of air holes are formed in the upper surface of the hole protection bridge at equal intervals. The wind ball is mounted at the top of the cabinet body, and any parallel air flow is accelerated and converted into vertical air flow from bottom to top according to the principle that the natural wind speed of the nature pushes the turbine of the wind ball to rotate and air convection inside and outside the cabinet body, so that the ventilation effect in the cabinet body is improved; when the air ball rotates, a certain amount of spiral suction force is formed, meanwhile, the air inlet is formed in the bottom of the cabinet body and used for sucking in external fresh air, vitiated air is discharged from the holes formed in the air ball, air flowing is facilitated, and therefore the ventilation efficiency is improved.

The utility model discloses filtering equipment with a sediment cleaning function, which relates to the technical field of oil stain treatment and comprises a shell, a filter cartridge is mounted in the shell and divides the shell into an upper cavity and a lower cavity, a through groove is formed in the bottom of the filter cartridge, and an inclined plate is connected to the lower side of the filter cartridge and positioned on the lower side of the through groove. And one side of the inclined plate extends into a discharging opening formed in one side of the shell. The filter cartridge is arranged in the shell, impurities in dirty oil are filtered through the arc-shaped filter cartridge, and meanwhile, the impurities roll to the through groove through the arc-shaped filter cartridge and are discharged to the outer side of the shell through the inclined plate, so that sediments are cleaned, and the filtering efficiency is improved.

The utility model belongs to the technical field of mulching film laying, and particularly relates to a mulching film laying device for tobacco planting, which comprises a film laying machine frame, and a mulching film roll is rotatably mounted on the lower portion of the advancing end of the film laying machine frame. A tension adjusting and opening assembly used for opening a mulching film to prevent wrinkles when the mulching film is laid on the mulching film roll is arranged on the side, opposite to the advancing end, of the mulching film roll and located in the middle of the film laying machine frame. The tension adjusting opening assembly comprises an inverted U-shaped lifting plate installed on the lower portion of the film laying machine frame in a lifting mode, a guide roller rotationally installed on the lower middle portion of the U-shaped lifting plate and tension adjusting mulching film opening rollers transversely installed on the outer walls of the two sides of the U-shaped lifting plate in a telescopic mode. The periphery of the guide roller is sleeved with a foam compacting sleeve for compacting a mulching film to cover different concave-convex planting land parcels of tobacco, and the periphery of the tension adjusting mulching film opening roller is sleeved with an anti-skid rubber sleeve for opening the mulching film in a back-to-back and outward mode. The mulching effect of the plastic film is improved and wrinkles are prevented.

The utility model relates to a dry stream type water flow channel suitable for a rainwater regulation and storage wetland purification system, which is characterized in that an upstream water body is communicated with a downstream water body by adopting a dry stream, and a first water distribution gabion wall used as a water inlet overflow weir is transversely arranged at the communicated part of the dry stream and the upstream water body; a second water distribution gabion wall used as a water making overflow weir is transversely arranged at the position where the first water distribution gabion wall is communicated with the downstream water body, and the first water distribution gabion wall and the second water distribution gabion wall are each provided with a low-position water passing channel. The water distribution gabion wall has a good rainwater retention effect in the process of transferring incoming water of an upstream water body to a downstream water body, pollutants in the water can be effectively filtered and diluted, the water quality is purified, the incoming water and outgoing water can be filtered and purified through the water permeation function of the water distribution gabion wall, and the water distribution gabion wall can be used for filtering and purifying water. And incoming water and outgoing water can quickly pass through when the incoming water quantity is too large, so that overflow caused by retention in upstream water and stream is avoided.

The invention discloses a low-energy-consumption large and medium-sized high-nitrogen device, which belongs to the technical field of high-nitrogen devices and comprises a main heat exchanger, an expansion machine, a pressure tower, a low-pressure tower, a pressure tower condensation evaporator, a low-pressure tower condensation evaporator, a liquid nitrogen pump and a subcooler. Liquid air steam of a pressure tower condensation evaporator is reheated by a main heat exchanger, enters an expansion machine to be expanded and then enters a low-pressure tower, so that the pressure of an inlet and an outlet of the expansion machine is improved, the volume flow of the expansion machine and the pressure of the low-pressure tower are remarkably reduced, and the size of an impeller of the expansion machine is greatly reduced; the tower bottom liquid air of the pressure tower and the tower bottom oxygen-enriched liquid air of the low-pressure tower are supercooled by the heat exchanger, and the tower bottom liquid air of the pressure tower is partially cooled and then fed into the low-pressure tower to continue to participate in rectification, so that the extraction rate of product nitrogen is reduced while the cooling capacity loss of the device is reduced, and the unit energy consumption is reduced; liquid nitrogen in the low-pressure tower is pressurized to the upper part of the pressure tower instead of the top of the pressure tower through a pump, so that an ultra-pure nitrogen product is obtained, and the ultra-pure nitrogen gas is very suitable for downstream enterprise gas sensitive to copper and zinc elements.

The utility model discloses a modularized building terrace supporting structure, which belongs to the technical field of modularized building terraces and comprises a galvanized rectangular tube welded at the top of a container and used for laying a terrace-exposed plastic-wood floor and a supporting seat welded between the galvanized rectangular tube and the top of the container and used for supporting a terrace structure. The supporting base is provided with a drainage collecting structure used for drainage of the terrace structure. According to the supporting structure, the galvanized rectangular pipe is used as an infrastructure for laying the platform-exposed plastic-wood floor, and the terrace structure is tightly connected with the top of the container through the supporting seat, so that a firm double-roof foundation supporting structure can be formed under the action of not changing the original top structure of the container; the support of different forms of terrace structures can be adapted; meanwhile, the drainage groove is formed in the supporting base, rapid drainage of the terrace can be achieved, and rainwater or other drained water is prevented from being excessively retained on the terrace-exposed plastic-wood floor or the top of a container.

The invention discloses waste rubber regeneration recycling treatment equipment, and relates to the technical field of waste rubber recycling, the waste rubber regeneration recycling treatment equipment comprises a crushing recycling box and a hopper, and a driving motor is fixedly mounted on the outer wall of the front side of the crushing recycling box. According to the waste rubber recycling treatment equipment, when waste tires are crushed, the crushing rollers synchronously crush steel wires into fragments, the electromagnetic adsorption plate adsorbs the steel wire fragments in the falling process, manual intervention is not needed, and the recycling efficiency is improved. Meanwhile, the bumps and the shaking frame are matched for vibration adsorption, so that retention of rubber fragments is avoided, and the adsorption accuracy is improved. The shaking frame is regularly lifted through the electric push rod, the electromagnetic adsorption plate turns over and is powered off to release steel wire fragments, cleaning burden is relieved, and adsorption range reduction and strength weakening are avoided. During release and collection, the fixing rod and the connecting rod are matched to horizontally limit blanking of the guide plate, and when collection is finished and an adsorption state is returned, the second connecting rod and the closing plate are matched to vibrate the guide plate, blockage is prevented, and the recovery stability of equipment is ensured.

The invention provides an information input method and device, electronic equipment and a computer readable storage medium, and relates to the technical field of Internet. The information input method comprises the following steps: receiving input information, wherein the input information comprises a clothes image; identifying the clothes image of the current clothes to obtain first clothes information; verifying the first clothes information based on a preset verification rule, and determining target clothes information based on a verification result; and complementing the input information by using the target clothes information. The input efficiency and the input accuracy of the clothes information can be improved.

The invention discloses multi-angle anti-corrosion paint spraying equipment for spiral steel pipe machining, and belongs to the field of paint spraying equipment. The multi-angle anti-corrosion paint spraying equipment for spiral steel pipe machining comprises a circular ring, block bodies are arranged on the two sides, close to a fixing frame, of the circular ring, the circular ring is slidably connected with the fixing frame through the block bodies, an inner cavity is formed in the circular ring, a necking pipe is fixedly connected into the inner cavity, a fixing block is fixedly connected to the inner wall of the circular ring, and a through hole is formed in the fixing block. A motor is fixedly connected to the outer side of the fixing block, a ball is rotationally connected into the through hole, the output end of the motor is fixedly connected with the ball, a middle pipe is fixedly connected to the outer side of the ball, a circular hole is formed in the outer side of the end, away from the middle pipe, of the ball, and a feeding pipe is fixedly connected to the middle of the bottom of the circular ring. By starting the motor on the outer side of the fixing block, the motor drives the ball to rotate in the through hole, and the middle pipe, the extension pipe and the spray head are driven to rotate to a preset spraying angle.

The utility model relates to the technical field of automobile door panel processing, and discloses a welding tool for assembling an automobile door panel, which comprises a machine body, a fixed adjusting component and a protective component are arranged above the machine body, the fixed adjusting component comprises a rectangular frame, and a door panel body is placed on the upper surface of the rectangular frame. According to the welding tool for assembling the automobile door panel, through combination of an air cylinder and a rubber pad, stable clamping of a door panel body is achieved, the rubber pad protects the surface of the door panel from being damaged, the adaptability of equipment to door panels of different sizes is enhanced through a limiting rod and a swing piece, the height of a rectangular frame is adjusted through a traction rope, and the door panel is accurately positioned; the welding assembly supports double-face welding, the efficiency is greatly improved, a protective curtain and a collecting frame are matched with a breathable grid plate, welding smoke is effectively extracted and filtered, the air quality is improved, the health of operators is guaranteed, residues are conveniently collected and discharged through the design of a scraper, impurity retention is avoided, the welding process is optimized through the overall structure, and the production efficiency, the environmental protection property and the safety are improved.

The utility model relates to the technical field of plastic particle processing, in particular to a drying device for a plastic granulator, which comprises a drying box, and a conveying mechanism and a shifting mechanism are mounted in the drying box. A plurality of fixing rods are arranged in the water mechanism, so that plastic particles falling on water filtering plates are dispersed, the plastic particles are prevented from being gathered, the plastic particles make full contact with the water filtering plates for dehydration, and under the action of the two water filtering plates, the flowing path of the plastic particles in the vibration water removal process is prolonged; meanwhile, plastic particles on a water filtering plate are prevented from directly sliding into the drying box, it is guaranteed that the plastic particles are fully vibrated, meanwhile, under the action of a guide plate and two pieces of absorbent cotton, the plastic particles subjected to vibration water removal are wiped again and then guided into the drying box, water retention on the surfaces of the plastic particles is avoided, and the drying effect is improved. And therefore, water on the surfaces of the plastic particles fully falls off, and the drying uniformity and drying efficiency of the plastic particles are improved.

The mounting structure of the rotary valve rod comprises a valve body and a valve rod, a mounting through hole and a mounting blind hole are formed in the valve body, the valve rod is rotationally matched with the mounting through hole, one end of the valve rod is rotationally matched with the mounting blind hole, and the other end of the valve rod is rotationally matched with the mounting blind hole. One end of the valve rod is located in the valve body, the other end of the valve rod is located outside the valve body, a first purging opening and a second purging opening are formed in the valve body, the first purging opening is located at the mounting through hole, the second purging opening is located at the mounting blind hole, the first purging opening is communicated with the mounting through hole, and the second purging opening is communicated with the mounting blind hole. The utility model further discloses a valve comprising the mounting structure of the rotary valve rod.

The utility model relates to the technical field of chemical engineering, in particular to a decoking mechanism for coal acetylene plasma reaction. According to the technical scheme, a supporting column is arranged on the outer side of a base, a first sealing ring is arranged on the inner side of the base, a first sewage discharging groove is formed in the bottom end of the base in a penetrating mode, a fixing frame is arranged on the base, an ultrasonic transducer is embedded in the fixing frame, a flushing pipe is arranged on the fixing frame, and a water inlet pipe is arranged on the flushing pipe. A reaction container is arranged on the base and located on the outer side of the fixing frame in a covering mode, a connecting pipe is connected to the bottom end of the flushing pipe, a supporting plate is arranged on the outer side of the end, close to the connecting pipe, of the flushing pipe, a sealing plate is arranged at the bottom end of the base through the supporting plate in a supporting mode, and the first sewage discharging groove of the base is blocked through the sealing plate. The coal acetylene plasma reactor cleaning device is simple in structure, provides a reliable solution for cleaning a coal acetylene plasma reactor, and provides a safer and more environment-friendly cleaning technology for industrial production.

The utility model relates to the technical field of tableware storage cabinets, and discloses a kitchen tableware storage cabinet which comprises a cabinet body, a plurality of partition plates are fixed in the cabinet body, brackets are arranged on the partition plates, a plurality of draining holes are formed in the partition plates, a plurality of inclined flow guide plates are fixed in the cabinet body, and the flow guide plates are arranged on the brackets. The multiple flow guide plates are located under the multiple partition plates respectively, multiple openings are formed in the side face of the cabinet body, one ends of the multiple flow guide plates extend into the multiple openings respectively, and a water collecting assembly is arranged on the cabinet body. When the tableware cabinet is used, residual water on cleaned tableware is effectively guided into the water collecting box through the design of the draining holes, the flow guide plate and the water collecting box, the residual water is prevented from being retained in the cabinet body, the interior of the cabinet can be kept dry, and the risks of bacterium breeding and tableware damage are reduced.

The utility model discloses a high-temperature C-shaped rotary valve for a coking device, relates to the field of C-shaped rotary valves, and aims to solve the problem that the use of the C-shaped rotary valve is affected due to the fact that a sealing ring in the C-shaped rotary valve is easy to slightly deform at high temperature because the temperature of liquid is extremely high during coking operation in the prior art. A valve rod is rotatably connected to the upper end of the C-shaped rotary valve body, a C-shaped valve element is rotatably connected to the interior of the C-shaped rotary valve body, a hydraulic closed valve body is connected to one side of the C-shaped rotary valve body, a liquid inlet is formed in the hydraulic closed valve body, a hydraulic closed part is arranged on the hydraulic closed valve body, and a liquid outlet is formed in the hydraulic closed part. The hydraulic sealing device comprises a hydraulic sealing part, a connecting ring is fixedly connected to one side of the hydraulic sealing part, four hydraulic cavities are formed in the hydraulic sealing part in an annular array mode, a sealing ring seat is arranged on one sides of the four hydraulic cavities, four fixing rods are fixedly connected to one side of the sealing ring seat in an annular array mode, and an annular sealing ring is fixedly connected to one side of the sealing ring seat.

The utility model discloses an integrated toilet squatting pan for a locomotive, which belongs to the technical field of squatting pans, and can be used for integrally discharging cleaned liquid through a through hole in an anti-skid groove and a flow guide pipe at the bottom during working, so as to avoid the conditions of long-time retention of accumulated liquid formed at the edge of a squatting pan body and the like as much as possible. The locomotive integrated toilet squatting pan comprises a squatting pan body and a transfer cylinder, a squatting pan is arranged on the squatting pan body, a discharge port is formed in the position, close to the bottom, of the squatting pan, a collecting pipe is installed at the discharge port, a pneumatic large-flux ball valve is installed at the end, away from the discharge port, of the collecting pipe, and an inlet is formed in the top of the transfer cylinder. The end, away from the pneumatic type large-flux ball valve, of the communicating pipe is installed at the inlet, a sewage draining opening is formed in the bottom of the transfer cylinder, a sewage draining pipe is arranged at the sewage draining opening and communicated with the excrement collecting box, the pneumatic type large-flux ball valve is installed at the middle section of the sewage draining pipe, and a two-way pressure generator is installed on the transfer cylinder.

This invention relates to the field of stainless steel pipe inner wall cleaning technology, specifically to a cleaning device and process for the inner wall of extra-long stainless steel pipes. The device includes a cleaning mechanism, an anti-deviation mechanism, an auxiliary feeding mechanism, and an active feeding mechanism. The cleaning mechanism comprises several rigid pipes. In this invention, motor one and motor two are started synchronously. Motor two drives a directly connected rotating shaft two to rotate, and two meshing gears follow the rotation. Multiple rubber sleeves on the two rotating shafts two cooperate with each other, rubbing against the outer walls of the rigid pipes and the outer walls of the flexible hoses, causing the brush section to move steadily forward inside the stainless steel pipe. Then, the rotating shaft one, directly connected to the motor, drives several sprockets one on its outer side to rotate. Through chain transmission, the sprockets two drive the reel to extend the flexible hose on its outer side. The flexible hose and the brush section move synchronously, thereby preventing the flexible hose from dragging the brush section, avoiding jamming of the brush section, and ensuring cleaning efficiency.

The invention provides an improved thickener which comprises a conical container, a feeding pipe is arranged on the middle lower portion of the conical container in a communicating mode, feeding in the tangential direction is completed through the feeding pipe, a material guiding pipe is arranged at the bottom of the conical container in a communicating mode, and a forced circulation pump is arranged on one side of the conical container. The forced circulation pump is communicated with a forced circulation outlet pipe and a forced circulation inlet pipe, the forced circulation outlet pipe is communicated with the material guide pipe, the middle-lower part of the conical container is communicated with a material returning pipe, the material returning pipe is communicated with the forced circulation inlet pipe, a first motor is mounted at the top of the conical container, and a second motor is mounted at the bottom of the conical container. A stirring shaft is movably arranged in the conical container and is driven by the first motor. The problems that an existing thickener is poor in use effect, and a material guide pipeline and a valve at the bottom of the thickener are very prone to hardening and blocking are solved.

The invention belongs to the technical field of water conservancy and hydropower engineering equipment, and discloses a movable grouting device for water conservancy and hydropower construction, which comprises a bracket, a funnel arranged at the top of the bracket, and a support plate I and a support plate II which are fixedly mounted at the bottom of the bracket from top to bottom in sequence, and further comprises an inclined plate I fixedly mounted on the inner wall of the support plate I and an inclined plate II fixedly mounted on the inner wall of the inclined plate II; the first mounting plate is fixedly mounted on the inner wall of the first supporting plate, a vibration mechanism used for defoaming grouting is arranged at the top of the first supporting plate, a bevel gear and a belt transmission system are driven by a motor, vibration treatment of grouting materials is achieved, the special-shaped block rotates along with rotation of an output shaft of the motor, and the grouting materials can be vibrated through the special-shaped block. The inclined side face of the first inclined plate is movably connected with an arc-shaped block through a round rod to drive a connecting plate and a rectangular strip to swing left and right, concrete mortar falling on the first inclined plate is continuously vibrated through the design, air bubbles in the mortar are effectively eliminated, and the quality of grouting materials is improved.

The embodiment of the invention provides a heat dissipation system, a chip module and electronic equipment, the heat dissipation system comprises a heat diffusion layer, the heat diffusion layer is in contact with a chip, the heat diffusion layer comprises a medium phase change structure, and the medium phase change structure is filled with a circularly flowing phase change heat conduction medium; the phase change of the phase change heat-conducting medium is used for diffusing the heat of the chip; the intermediary layer is connected with the heat diffusion layer and the heat exchange layer and transmits the heat absorbed by the phase change heat-conducting medium from the chip to the heat exchange layer; and the heat exchange layer exchanges heat with a cooling medium to take away heat. According to the heat dissipation system provided by the embodiment of the invention, the heat dissipation effect of the chip can be improved, and the operation performance of the chip is improved.

The anti-suffocation monitoring system comprises an anti-suffocation manager, a loudspeaker, a pressure sensor, a seat and a central control system, the pressure sensor is arranged on the seat, the anti-suffocation manager comprises a metal shell, a PCB control panel and a battery, and the loudspeaker is arranged on the metal shell. The loudspeaker and the pressure sensor are electrically connected with the PCB control board, and the PCB control board is connected with the central control system through an electric wire. According to the anti-suffocation monitoring system for the hyperbaric oxygen chamber, personnel entering a closed space are actively reminded to prevent the personnel from staying in the closed hyperbaric oxygen chamber for a long time, namely, information is sent to an emergency contact person through the central control system under the condition that the personnel staying in the closed hyperbaric oxygen chamber for a long time is monitored according to the set time, so that the personnel are prevented from suffocation. Or the loudspeaker is used for reminding, or the cabin door or the pressure release valve is directly controlled to be opened, so that the suffocation risk of personnel in a closed space is greatly reduced.

The utility model discloses a roller structure of a stainless steel membrane drum filter, which relates to the technical field of filter equipment and comprises a filter body, an end cover is rotatably connected to the inner wall of the filter body, and a roller frame is fixedly connected to the surface of the end cover. A collecting hopper penetrating through the surface of the filter body is fixedly connected into the filter body, a bidirectional lead screw is rotatably connected to the inner wall of the collecting hopper, a lead screw nut is in threaded connection with the surface of the bidirectional lead screw, a moving block is slidably connected to the inner wall of the collecting hopper, and a conical scraper is fixedly connected to the bottom of the moving block. According to the roller structure of the stainless steel membrane drum filter, impurities in the collecting hopper can be continuously pushed in the implementation process of the device, and the discharge of the impurities is accelerated, so that the situation that the water quality filtering efficiency of the device is reduced due to the fact that the impurities continuously fall into a water body due to the fact that the impurities stay in the device for a long time is avoided.

The utility model provides an air quality detector, including main casing and the top cover of being connected in the top of main casing, be equipped with a plurality of independent chambers for installing sensor in main casing, and the part of main casing is directly opposite sensor is evenly distributed with a plurality of air inlet hole, be equipped with a plurality of interval setting ridge between top cover and main casing to make the clearance between the periphery of top cover and main casing form the flow guide groove. The utility model discloses a flow guide groove is arranged in the periphery of top cover, and the air inlet hole is used for air inlet in the position of corresponding sensor in lower part, not only makes the air even flow, avoids the airflow dead angle and retention, improves the response time and measurement accuracy of sensor, also ensures internal gas flow unobstructed, reduces the internal and external pressure difference, promotes the detection accuracy, through setting up independent detection chamber, different sensor module is isolated, and each sensor is equipped with independent detection chamber, prevents the cross interference between sensor, ensures each sensor independent work, improves the independence and reliability of measurement data.

The utility model provides a combustor capable of preventing coking and material accumulation, and relates to the field of combustors. The combustor comprises a combustor body and a flow guide part, the flow guide part is arranged at one end of the combustor body, and the interior of the flow guide part communicates with the interior of the combustor body; the end, away from the burner body, of the flow guide part is provided with a port communicating with the interior of the flow guide part. The cross section of the flow guide part is provided with a long axis and a short axis perpendicular to the long axis. The width of the cross section of the flow guide part in the length direction of the long axis is gradually increased and then gradually decreased, the minimum width value of the cross section on one side of the short axis is larger than the minimum width value of the cross section on the other side of the short axis, the cross section of the flow guide part is in a water drop shape with one sharp end and the other round end, and the whole flow guide part is in a streamline shape; and airflow separation and vortex generation are reduced, ash retention is avoided, and the service life of the combustor is prolonged.

The utility model relates to the technical field of gangue detection, in particular to a measuring device for wear resistance of high-load gangue, which comprises a lifting support and further comprises a polishing tank fixed in the middle of the lifting support. The motor is fixedly mounted on the telescopic part of the lifting bracket; the clamp is fixed at the output end of the motor; the dust collecting bag is screwed at an outlet in the lower part of the polishing tank; and the impeller is fixed outside the clamp. Abrasive dust generated in the testing process naturally falls under the action of gravity, meanwhile, the impeller installed outside the clamp is driven by the motor to rotate to generate airflow disturbance, the abrasive dust is guided and accelerated to move downwards to the bottom of the grinding tank, and the dust collection bag located at an outlet in the lower portion of the grinding tank is in sealed connection with the grinding tank in a screwed mode. All abrasive dust can be effectively collected under the combined action of airflow disturbance and gravity, and the abrasive dust is prevented from being retained in the device.