542 results about "Waste product" patented technology

The invention discloses a cooling device and glass fiber production equipment, and relates to the technical field of glass fiber production, and the cooling device comprises a spray pipe, an air supply pipeline, a control valve and a control system. Wherein the spray pipe is provided with a plurality of air nozzles distributed at intervals along the longitudinal direction, the plurality of air nozzles are used for spraying air flow towards one side deviating from the bushing so as to form an air vortex capable of reducing the temperature of the bushing and the root of the glass fiber on one side deviating from the bushing of the spray pipe, and the air supply pipeline is connected with the spray pipe and is used for supplying the air flow to the spray pipe; the control valve is arranged on the air supply pipeline and used for controlling the flow of airflow in the air supply pipeline, and the control system is in communication connection with the control valve and used for controlling the opening degree of the control valve according to the wire drawing operation state. The cooling device can stabilize the temperature of the bushing plate when the wire drawing operation is interrupted or the machine head is switched, reduces the number of waste products, and meets the cooling requirement of the bushing plate with high hole number for producing small-diameter fibers, so that the productivity and the economic benefit of a wire drawing operation unit are improved.

The invention discloses an injection mold for multicolor injection molding and a production process thereof, a set of machine vision on-line inspection system with pattern detection and surface flatness detection is integrated, pattern detection is performed on a specific part of a formed part A through optical screen detection, horizontal and vertical coordinates of an actual contour are compared with a preset range, and the pattern of the specific part A is detected. Then, the surface flatness of the part is objectively evaluated by analyzing reflected light distribution on the surface of the part, whether a qualified matrix is provided for second injection or not is judged, and key quality attribute judgment on the intermediate product A before second injection is achieved; according to the method, the waste of raw materials, energy and working hours caused by the fact that known waste products continue to be subjected to second injection is effectively prevented, meanwhile, the position precision and visual definition of final multi-color products at the joints of different colors are guaranteed, the defects of boundary line distortion, blooming and the like are overcome, and the production yield and the resource utilization rate are remarkably increased.

The invention discloses an intelligent paid waste recovery system, which relates to the technical field of waste recovery and comprises an intelligent recovery box main body, a central control module, a user interaction module, a settlement module and a user side applet, the intelligent recycling bin main body comprises a single recycling bin door, an independent identification channel, a sorting execution module and a double-category sorting bin body; the double-category sorting cabin body comprises a paper-plastic cabin body and a fabric cabin body, electric sorting gates are arranged at the tops of the paper-plastic cabin body and the fabric cabin body, and weighing settlement units are arranged at the bottoms of the paper-plastic cabin body and the fabric cabin body; a dangerous goods detection module, a delivery quantity limiting module, an overlapping recognition module, an overlapping goods dispersing module and a self-adaptive illumination category recognition module are sequentially integrated in the independent recognition channel in the goods conveying direction; according to the scheme, identification precision fluctuation can be improved, and a stable and reliable classification effect is formed.

The invention relates to the technical field of injection molding, and discloses a high-precision adjustment dust collector injection molding part body injection molding process which comprises the following steps: before a melt enters a mold cavity, obtaining a feed-forward signal representing the physical performance of the melt through an online melt quality characterization (IMQ) system, and obtaining a feed-forward signal representing the physical performance of the melt based on the feed-forward signal; a dynamic valve needle fine tuning (DVM) system is used for applying rheological state intervention to the melt about to enter the cavity at a pouring gate; and on the basis of the feedforward signal, a local thermal field on the surface of a mold cavity is instantaneously and dynamically regulated and controlled through a dynamic energy field (AZT) active cavity system. By arranging the online melt mass characterization (IMQ) system, a feed-forward signal of performance fluctuation of the melt is obtained before the melt enters a cavity, the problem of continuous waste caused by adjustment lag in a traditional process is fundamentally solved, and high stability and process consistency of a dust collector injection molding part body in the continuous production process are ensured.

The utility model discloses an anti-deformation bearing thin-wall part machining supporting and fixing structure which comprises a base and a supporting assembly, a machining table is connected to the top of the base, clamping blocks are arranged on the two sides of the top of the machining table, and the supporting assembly is arranged in the machining table and comprises a bevel gear ring and a plurality of bevel gears meshed with the bevel gear ring. A lead screw is arranged in the machining table through a plurality of rotating frames, the surface of the lead screw is in transmission connection with a supporting plate through a lead screw nut, the supporting and fixing structure is provided with a supporting assembly, a driving motor drives a bevel gear ring to rotate, a plurality of bevel gears rotate synchronously, then the lead screw is driven to rotate, and the supporting plate ascends to support the interior of the thin-wall part; by means of the internal supporting mode, pressure and friction force borne by the inner wall of the thin-wall part during polishing can be effectively dispersed, deformation caused by lack of supporting is avoided, the size precision, the shape precision and the surface quality of the bearing thin-wall part are guaranteed, the product percent of pass is increased, and waste products are reduced.

The invention discloses a meter weight control device and method for a cable crosslinking procedure, and belongs to the technical field of cable manufacturing, the meter weight control device comprises an extruder and a weighing unit, the extruder adopts a three-layer co-extrusion system and comprises a feeding device, a traction device and an extrusion device, and the meter weight control device further comprises a speed detection unit, a calculation unit and a control unit. The speed detection unit can detect the production line traction speed of the extruder, and the calculation unit can receive a speed signal and calculate a real-time meter weight value and an actual glue thickness value; the control unit controls the working parameters of the extruder according to the comparison between the data calculated by the calculation unit and the set data; the weighing unit, the speed detection unit, the calculation unit and the control unit work cooperatively to control the weight per meter of the extruder. According to the invention, the weighing unit is arranged, and the weight of the extruded material entering the extruder is adjusted through the cooperation of the speed detection unit, the calculation unit and the control unit. The situation that the thickness exceeds the standard can be avoided, and trial production and starting waste products are remarkably reduced.

The invention relates to a method for producing a workpiece (10) having a chamfer (20), in which a good part (18) is separated from a scrap skeleton (14) by cutting a blank (16) using at least one laser beam, the good part (18) is cut into a waste part (12) and into the workpiece (10) by means of the laser beam for production of the workpiece (10), whereby the chamfer (20) is formed, wherein, before complete separation from the workpiece (10), the waste part (12) is secured (24) to the workpiece (10) and / or the scrap skeleton (14), in a region that is already separated from the workpiece, by means of at least one welded joint (24).

The invention belongs to the technical field of aluminum wheel production quality inspection, and provides an aluminum wheel quality index intelligent management method and system and a storage medium, based on real-time data acquisition and field intelligent terminal manual data filling and reporting, the rate of finished products, the rework rate, the number of waste products and other data of each process are calculated, and through a preset threshold value and color marking, the quality index of the aluminum wheel is obtained. According to the method, the index state is fed back in real time, multi-dimensional visual analysis of data is realized through dynamic graph display and data drilling, response adjustment of an optimal process is carried out on a production machine in combination with an analysis result and processing suggestions, performance appraisal of field production personnel is associated based on each shift quality index, and the enthusiasm of the field production personnel is aroused. AI modeling is formed through data accumulation to gradually improve a quality index management system, the method is suitable for multi-link production scenes such as casting, machining and coating in the aluminum wheel manufacturing process, the stability of the production quality of aluminum wheel products is improved, and the quality abnormity response time is shortened.

The invention provides a float glass product quality optimization method and system, a medium and a product, and relates to the technical field of automatic control. Comprising the following steps: comparing a real-time transverse thickness distribution curve with a standard datum line to screen abnormal areas; tracing and positioning a target thermal control partition and a component according to the pulling speed; generating a mechanical stretching and temperature adjusting instruction based on the thickness out-of-tolerance quantity; when the temperature of the tin liquid does not reach the standard, mechanical stretching is executed, and temperature is increased synchronously; in the process, the difference value between the stretching speed and the glass flow speed is dynamically adjusted according to the temperature closeness degree until the temperature reaches the standard, and synchronous operation of the edge roller is recovered. According to the process, a non-response dead zone in a traditional single temperature control mode is eliminated, a long-distance waste strip generated by waiting for temperature rise is avoided, and the extremely short-term response speed and the long-term steady-state control precision in the float glass forming process are improved.

An automatic machining production line for a knife handle comprises a first numerical control machine tool, a second numerical control machine tool, a third numerical control machine tool, blind rivet loading and unloading equipment and a mechanical arm, the first numerical control machine tool is used for machining the end face, an inner hole, an outer circle face and a V-shaped groove of the knife handle, and the second numerical control machine tool is used for machining a conical hole and an inner threaded hole of the knife handle. The third numerical control machine tool is used for machining a driving groove, a locking threaded hole and an end face inner hole of the cutter handle, the blind rivet assembling and disassembling device is used for assembling or disassembling a blind rivet on the cutter handle, and the mechanical arm is used for grabbing the cutter handle. And waste products generated in production and processing can be detected.

The invention relates to the technical field of industrial machine tools, discloses an integrated quartz tube processing machine tool based on flexible traction, and aims at solving the problems that when a centerless grinding machine supports a quartz tube through line contact, due to the fact that the surface of a workpiece protrudes abnormally, limiting is poor, movement is prone to occurring, and the processing quality is affected. A guide wheel and a polishing wheel are arranged at the top; an arc-shaped opening is formed in the guide wheel, a flexible traction assembly is arranged in the guide wheel, the guide wheel comprises a flexible conveying belt, two groups of symmetrical limiting assemblies are arranged in the guide wheel and are supported from the inner wall of the flexible conveying belt, so that a semi-wrapped quartz tube workpiece is in surface contact, and a yielding assembly is arranged at the end part of each limiting assembly and comprises a telescopic inner column, an outer cylinder and a proximity sensor; according to the machine tool, the supporting area is enlarged through surface contact, the stability is improved through local yielding of the limiting assembly, targeted polishing and automatic reset of protrusions are achieved in combination with the proximity sensor, the machining precision and smoothness of quartz tubes are improved, the cracking risk and the rejection rate are reduced, and the production efficiency is optimized.

The invention discloses a cutting device for plastic processing, and relates to the technical field of plastic cutting. The invention includes. The device has the advantages that the high-efficiency cutting, compacting and sewage discharge weight reduction processes of plastic waste can be realized by adopting single-drive equipment, the overall manufacturing cost is lower, the cutting efficiency can be effectively improved by adopting a symmetrical opposite cutting mode, the size of plastic fragments is reduced, and the plastic waste is more convenient to transport.

The utility model discloses a polytetrafluoroethylene particle recovery device, which relates to the field of polytetrafluoroethylene particle recovery, and comprises a recovery device body, a crushing bin is arranged in the recovery device body, a bearing is arranged in the crushing bin, the end part of the bearing is connected with a first motor, the outer wall of the bearing is provided with crushing blades, and the crushing blades are connected with the first motor. A material distributing bin is arranged at the bottom of the smashing bin, a filtering assembly is installed in the material distributing bin, a conveying bin is arranged on one side of the recycling device body, and a conveying assembly is installed in the conveying bin. According to the utility model, the crushing blades in the crushing bin crush polytetrafluoroethylene wastes, and polytetrafluoroethylene blocks which are not crushed into particles slide into the conveying bin through the material conveying inlet pipeline and then are conveyed by the spiral conveyor, so that the polytetrafluoroethylene blocks return to the crushing bin again; and the crushing blades in the crushing bin perform secondary crushing on the polytetrafluoroethylene blocks, so that the polytetrafluoroethylene waste can be fully crushed.

The application relates to the technical field of heat-shrinkable tube extrusion dies, and provides a high-smoothness high-speed heat-shrinkable tube extrusion die, which comprises a die head, a shunt is connected in the die head through a support, a joint is fixedly installed at one end of the die head, a die core is installed on the shunt, a die sleeve is fixedly installed at one end of the die head away from the shunt through a tightening sleeve, first and second heaters for heating are further arranged, and the die core comprises a tapered core rod; it can be understood that the short shaping end of the 1.5mm tungsten steel shaping ring is arranged to quickly release pressure, eliminate defects such as surface drag marks and stress marks, cooperate with the mirror surface level inner hole, the core rod gradual change structure and the 12mm die core shaping end, and the inner and outer wall smoothness of the heat-shrinkable tube is greatly improved; meanwhile, the flow channel is short and the resistance is small, the extrusion speed is increased from the traditional 20 m / min to 40-50 m / min, the production efficiency is obviously improved, the flow rate is stable, the pressure is balanced, the dependence on operation experience is reduced, and the debugging time and the waste product rate are reduced.

The invention relates to an air inlet nozzle for a fan, comprising a fastening part (1) and an annular wall (3) which is connected to the fastening part and on which at least one projecting pressure connection (18) is arranged. In order to be able to provide the pressure connection (18) in a simple and reliable manner and in a cost-effective manner, the pressure connection is formed integrally with the air inlet nozzle. As a result, an additional assembly step for placing the pressure connection (18) can be avoided. The pressure connection (18) is provided directly during the production of the intake nozzle. In this way, production and assembly costs and possible waste products due to the assembly method are avoided. And assembling equipment which can cause the manufacturing of the air inlet nozzle to become expensive is not needed. As the pressure connector (18) is part of the air inlet nozzle, an additional storage position does not need to be reserved for the pressure connector (18).

The utility model belongs to the field of transport equipment, concretely relates to a hazardous waste anti -infiltration tray, and the anti -infiltration tray includes the tray body, the tray body has the tray bottom and the tray wall, and the inner side fixedly attached setting of tray wall has the shock attenuation diaphragm, this shock attenuation diaphragm can be deformed and quickly restore original shape when being subjected to external force impact, has the good effect of absorbing vibration, avoids the leakage of anti -infiltration tray due to vibration, is arranged with the reinforcing rib in the tray body along the first direction interval, and the reinforcing rib extends along the second direction until its both ends and tray wall and shock attenuation diaphragm fixed connection, can play the effect of steady support to tray wall and shock attenuation diaphragm, further promotes the stability of anti -infiltration tray, and the stability of tray body can be effectively improved through shock attenuation diaphragm and the reinforcing rib reinforcing support, and then guarantee the safety when transporting hazardous waste.

The invention relates to the technical field of welding devices, and particularly discloses an automatic metal pipe welding device which comprises a welding platform, a feeding mechanism, a positioning mechanism, a welding mechanism, a polishing mechanism and a detecting mechanism, and the feeding mechanism, the positioning mechanism, the welding mechanism, the polishing mechanism and the detecting mechanism are arranged on the welding platform. The feeding mechanism is used for sequentially outputting to-be-welded metal pipes into the workpiece sliding groove, the positioning mechanism is used for positioning and aligning the to-be-welded metal pipes, the welding mechanism is used for welding the two positioned and aligned metal pipes, and the polishing mechanism is used for polishing weld joints of the metal pipes. And the detection mechanism is used for detecting the welded metal pipe. The device has the effect that the problems that during batch and continuous welding operation of the metal pipes, the welding consistency is poor and even waste products are generated due to the fact that the positioning precision of the metal pipes is inconsistent, and the labor load of workers is large due to long-time continuous operation of the workers are solved.

A system and method for chemically destroying, degrading and incinerating a fluorocarbon or fluorinated material, such as perfluoroalkyl and polyfluoroalkyl substances (PFAS), with reduced emissions of gaseous PFC is provided. The method includes mixing the fluorinated material with an aqueous alkoxide base in a batch reactor to form a suspension. The PFAS can be provided by AFFF. The reaction mixture is heated to a temperature ranging from about 25ºC to about 400ºC for about 0.5 hours to about 240 hours to defluorinated fluorocarbons in the PFAS and produce a defluorinated waste product. More specifically, the method converts organic fluorine present in the PFAS to inorganic fluoride. Thus, the defluorinated waste product can be incinerated with reduced emissions of harmful gaseous PFCs.

The utility model discloses a transmission structure of a roller sintering furnace, which comprises a snap spring sleeve, one side of the snap spring sleeve is provided with a driven shaft, the other side of the snap spring sleeve is provided with a sintering shaft, the circumferential outer wall of the driven shaft is fixedly provided with a transmission gear, one side of the transmission gear is provided with a driving gear, and the other side of the transmission gear is provided with a driven shaft. A driving shaft is fixedly installed on the circumferential inner wall of the driving gear, a bearing seat is arranged at the end of the driving shaft, and the end of the driving shaft is movably installed on the side wall of the sintering furnace body through the bearing seat. According to the transmission structure of the roller sintering furnace, the driving shaft drives the transmission gear meshed with the driving gear to rotate through the driving gear, when the transmission gear rotates, the sintering shaft is driven to rotate through the driven shaft and the primary-secondary elastic spring sleeve, the problem that the high-temperature sintering operation process is blocked and stalled is solved, the efficiency is improved, and the risk is reduced; and the situation that the shaft is bent and deformed at a high temperature, and defective products and even scraped products are generated is avoided.

The invention discloses a full-automatic silicon steel sheet precision laser cutting machine and a cutting method. The full-automatic silicon steel sheet precision laser cutting machine comprises a feeding bin, a feeding mechanism, a laser cutting device, a cutting jig, a discharging mechanism, a finished product frame, a waste product frame and a rack. The feeding stock bin of the automatic silicon steel sheet precision laser cutting machine can effectively adapt to silicon steel sheet materials of various sizes to be fixed by adjusting the positions of the stock bin check blocks, the adjusting difficulty is low, the flexibility is high, the feeding mechanism, the discharging mechanism and the like are correspondingly arranged in the laser cutting machine, feeding and discharging before and after silicon steel sheet machining can be facilitated, and the machining efficiency is improved. And silicon steel sheet finished products and waste products obtained after machining can be classified conveniently, subsequent classification by workers is not needed, and the machining efficiency is effectively improved.

The invention relates to a rubber cap production system and method, in particular to a rubber cap production system and method capable of achieving accurate waste removal, and solves the problem that waste cap tops cannot be completely removed through an existing rubber cap production system and method. The system comprises a cap top raw material processing system, an other raw and auxiliary material supply system, a rubber cap plastic packaging device and a quality inspection system. The quality inspection system comprises a hat top raw material in-factory quality control device and a hat top finished product out-factory quality control device. The system is characterized by further comprising code spraying equipment which is additionally arranged at the front end of the hat top raw material in-factory quality control equipment; the quality inspection system further comprises code recognition devices which are additionally arranged on the hat top raw material in-factory quality control equipment, the hat top finished product out-factory quality control equipment and the rubber cap plastic packaging equipment respectively. The quality inspection system forms a data set of all waste cap tops; and a control computer of the rubber cap plastic packaging equipment compares a code recognition result with a data set of all waste cap tops before combined processing of the cap tops and the cap bodies, and controls the rubber cap plastic packaging equipment to remove the waste cap tops when the cap tops are the waste cap tops.

The application relates to the technical field of image processing, and discloses a hazardous waste intelligent sorting method based on machine vision, which comprises the following steps: obtaining a hazardous waste image to be sorted and extracting a multi-scale feature map; calculating an asymmetric weight factor, generating a gradient adjustment coefficient, weighting four distances by using the asymmetric weight factor and the gradient adjustment coefficient, and obtaining a center degree score of a pixel point; fusing the center degree score and a classification confidence to obtain a comprehensive sorting index; determining the number K of high-score pixel points, selecting K high-score pixel points by using an iterative screening strategy according to the comprehensive sorting index; performing category classification, boundary box regression and contour frequency domain regression based on the features of the selected high-score pixel point set; and jointly outputting the category, boundary box position and refined contour of the hazardous waste. The application not only improves the regression accuracy of the boundary box, but also realizes the extraction of the refined contour in a light-weighted manner, thereby solving the problem that the calculation amount is large and real-time application is difficult.

The utility model relates to the technical field of stamping and positioning, and discloses a precise elastic sheet unit stamping and positioning device which comprises a base, the top end of the base is fixedly connected with an installation disc, the top end of the installation disc is detachably connected with a placing block, and the bottom end of the middle of the placing block is fixedly connected with a first motor. The device comprises a first motor, the driving end of the first motor is fixedly connected with a rotating plate, the two ends, away from the first motor, of the rotating plate are rotationally connected with rotating rollers, the ends, away from the first motor, of the rotating rollers are rotationally connected with U-shaped blocks, the top ends of the U-shaped blocks are fixedly connected with sliding blocks, and grooves are formed in the sides, close to each other, of the middles of the two sliding blocks. According to the utility model, the elastic sheet units with different sizes can be centered and positioned, the top ends of the two sides of the elastic sheet units can be fixed at the same time, in addition, the overload protection is realized, so that the stability in the stamping process can be maintained, the generation of waste products caused by equipment failure or misoperation is reduced, and the product quality and the production efficiency are improved.

The utility model belongs to the technical field of sorting devices, and particularly relates to a photoelectric recognition and magnetic separation linkage ore waste throwing and sorting device which comprises a flow dividing box, a recognition channel is fixedly connected to the left side of the flow dividing box, a feeding port is formed in the left side of the upper end of the recognition channel in a communicating mode, and a cleaning mechanism is arranged on the inner side of the feeding port. A conveying belt is installed at the bottom of the inner side of the recognition channel, a magnetic separation assembly is arranged at the top of the inner side of the recognition channel, a ray source is arranged at the top of the inner side of the recognition channel, a supporting plate is fixedly connected to the inner wall of the recognition channel, and a detector is installed at the upper end of the supporting plate. The magnetic separation assembly is arranged on the top of the inner side of the device, a part of ore is sucked through the magnetic separator and collected into the material collecting bin through the scraper blade and discharged in a unified mode in the later period, the purpose of lowering the waste throwing position during ore waste throwing is achieved, and the situation that too many ore is not accurately recognized, and consequently the ore and waste are stacked together is avoided.

The present application relates to the technical fields of waste recycling, in particular to a comprehensive recycling device for plastic product processing waste, which comprises a bottom plate, a cleaning tank is arranged on the bottom plate, a conveying module is arranged on the cleaning tank, a cleaning module and a dehydration module are arranged in the cleaning tank. The present application can effectively remove dust and impurities on the surface of plastic products by controlling the branch chain to drive the kneading plate to move back and forth, left and right, and to float up and down in a three-dimensional compound mode, thereby improving the cleanliness of plastic waste. The conveying module in the present application can effectively isolate and convey plastic waste during continuous conveying, achieving the effect of quantitative cleaning and dehydration. In addition, the dehydration module automatically grabs and releases plastic products during work, quickly expels the horizontal fragments by extrusion, thereby improving the cleaning and dehydration efficiency of plastic waste.

The utility model relates to the technical field of glass waste and defective product treatment, and provides a waste and defective product removing device for a glass production line, the waste and defective product removing device is arranged on a conveying frame for conveying glass bottles, and the conveying frame is provided with a baffle used for abutting against the glass bottles. Comprising a support erected on a conveying frame, a removing mechanism arranged on the support and a blocking rod arranged on the side edge of a baffle, a removing opening is formed in the side wall of the baffle, and a rotating assembly used for driving the blocking rod to rotate so as to open and close the removing opening is arranged on the baffle; the removing mechanism comprises a swing arm and a driving assembly, wherein the swing arm is rotationally connected to the support and used for pushing the glass bottle waste and defective products to be obliquely conveyed to the stop rod, the driving assembly is arranged on the support and used for driving the swing arm to rotate, and the glass bottle waste and defective products are pushed by the swing arm to push the stop rod so as to be separated from the conveying frame and fall into the waste and defective product recycling line. The glass bottle rejecting device has the beneficial effect that the rejecting effect on waste and defective glass bottles is high.

This utility model discloses a compression device for waste processing, relating to the technical field of waste processing equipment. The device includes a body with a hydraulic plate inside. The lower end of the inner wall of the body is trapezoidal. A rapid demolding unit for demolding electronic waste is installed inside the body. A support plate in the rapid demolding unit is slidably connected inside a groove, supporting the electronic waste. A fixing clip is located on one side of the support plate, securing it when it stops moving. By incorporating the rapid demolding unit and utilizing the sliding of the support plate and the cooperation of the fixing clip, this device can quickly and conveniently demold electronic waste, improving demolding efficiency. The trapezoidal design of the lower end of the inner wall facilitates smooth demolding of the formed waste, reducing damage and ensuring waste quality, which is beneficial for subsequent recycling.

The utility model discloses a turnover waste removal device which comprises a carrier plate, a first mounting part and a second mounting part, a product to be subjected to waste removal is fixed on the carrier plate; a waste removing module is arranged on the first mounting part, the waste removing module at least comprises one negative pressure unit, and the negative pressure unit forms an air flow channel which is through up and down; the second mounting part is arranged above the waste removing module, the carrier plate is fixedly mounted on the second mounting part, and the spatial position of the carrier plate is adjusted by the second mounting part; the first mounting part and the second mounting part are configured to be used for adjusting the carrier plate and the negative pressure unit to relative positions; the relative position is that the product to be subjected to waste removal faces the negative pressure unit, and the gap between the carrier plate and the negative pressure unit is within a set range; and then downward airflow is formed in the airflow channel through the negative pressure unit, airflow is formed in the gap between the carrier plates located on the two sides of the airflow channel and the negative pressure unit, the airflow is collected to the airflow channel to flow downwards, and the dust and the waste are conveyed downwards along with the airflow, so that the dust and the waste are effectively removed.

The utility model discloses an extrusion-free structure for a backrest armrest frame position mold opening foaming product, and relates to the technical field of automobile seats. The handrail mold comprises an upper mold, a lower mold is arranged at the top of the upper mold, tensioning assemblies are fixedly connected to the top of the upper mold and the front side of the lower mold, and a handrail mold cavity is formed in the left side of the front side of the lower mold. Through the arrangement of the upper die, the lower die and the movable block, the problem that a product is easy to damage during die opening is solved, as the armrest frame of the die for the automobile seat backrest with the armrest frame is deep and has no slope design, the pressure between the die and the product is large during die opening, the foaming armrest frame is easy to tear under the pressure, and the product quality is improved. And the movable block is arranged to work cooperatively with the lower die and the upper die, so that products can be prevented from being extruded in the die opening process, waste products generated due to extrusion tearing are reduced, and the production efficiency and the production quality of the products are improved.

A reactor apparatus comprising a reactor vessel 32, media conditioning circuit 34 and a fluid flow controller 36 wherein the fluid flow controller allows the flow of fluid through the reactor vessel to be reversed. The external fermentation broth loop has conditioning modules 50 52 that may alter pH, temperature, gases, or remove waste products. The fluid flow controller may reverse the flow automatically at intermittent periods, and may be a pump or valve. In an alternative configuration, there is a media and cell separation device 42 44 that retains cells inside the reactor vessel, allowing circulation of reaction media between the bioreactor and media loop. The cells may be separated from the media through a filter or membrane, or mechanically separated by gravity or centrifugation. Additionally, there may be several reactor vessels that are connected in a cascading (430, Fig 5) or parallel (330, Fig 5) arrangement. A method of operating the reactor apparatus is also disclosed.