176results about How to "Smooth discharge" patented technology

The application provides a concrete mixing tank discharge structure, which comprises a discharge pipe, a pushing disc and a discharging disc. The discharge pipe is arranged at the bottom of the tank body and communicates with a discharge opening. A discharge opening is formed in the outer circumferential surface of the discharge pipe. The pushing disc is slidingly arranged in the discharge pipe. The pushing disc is drivingly connected with a driving assembly, so as to move the pushing disc to the upper side or the lower side of the discharge opening. The discharging disc is sleeved on the outer circumferential surface of the discharge pipe and is located at the lower side of the discharge opening. The discharging disc is provided with a through hole, and the through hole is connected with a discharging pipe. The discharging pipe is connected with a valve body. When the discharge pipe is blocked, the pushing disc is driven upward by the driving assembly, so that the blocked material is pushed back into the tank body to participate in the mixing process again, thereby avoiding the adhesion of the concrete from being coagulated into blocks. The concrete mixing tank discharge structure provided by the application can significantly improve the stability of the mixing state concrete discharge process, ensure the normal use of the concrete and improve the processing efficiency of the concrete.

This invention relates to the field of slag removal in vertical shaft construction, and discloses a centrifugal adaptive slag discharge device for deep vertical shaft excavation. A rotating shaft is rotatably mounted within the slag discharge channel, and an axially extending oil passage is provided inside. A drive mechanism is connected to the rotating shaft, and the load of the drive mechanism changes according to the state of stone accumulation in the slag discharge channel. At least three agitator blades are hinged to the rotating shaft, and an elastic reset member is provided between the agitator blades and the rotating shaft. The agitator blades remain in a retracted state when the rotating shaft rotates at low speed or stops, and unfold under centrifugal force when the rotating shaft rotates at high speed, overcoming the elastic reset member. Oil injection holes are provided on the agitator blades and communicate with the oil passage, used to throw out lubricating oil from the oil passage when the rotating shaft rotates at high speed. The beneficial effect of this invention is that, through the inherent coupling relationship between the load and rotation speed of the drive mechanism, fully automatic closed-loop control is achieved, reducing equipment production and operating costs.

The application discloses a steam generator with multiple modules and a control method. The steam generator comprises a first steam generating unit and a second steam generating unit, the first steam generating unit is provided with a first steam outlet, the second steam generating unit is provided with a second steam outlet, and the first steam outlet and the second steam outlet are in time-sharing switchable communication with a steam discharge main channel; one of the first steam generating unit and the second steam generating unit is in communication with the steam discharge main channel to discharge steam, and the other is disconnected from the steam discharge main channel to generate and accumulate steam, and the states of the two are time-sharing switched; the steam generating unit in the steam discharging state is powered off, and steam output is maintained by using waste heat. The steam generator and the control method provided by the application can work with the power consumption value of a single steam generating unit, and continuous and stable high-pressure steam can be provided through asynchronous working and timely switching without increasing the total power consumption of the steam generating unit.

The utility model discloses a kind of non-ferrous metal wastewater detection processing devices of hydrometallurgy, it is related to metal wastewater treatment technical field.The utility model includes liquid storage barrel, the inside of the liquid storage barrel is provided with cleaning mechanism.The utility model is provided with cleaning mechanism, after detecting wastewater solution, when driving motor drives rotating rod rotation, it will drive connecting sleeve and multiple scrapers to carry out synchronous rotation, and then make three scrapers to the dirt on the inner wall of liquid storage barrel is washed, ensure that the neatness of the environment in liquid storage barrel and the clarity of liquid solution, prevent the wastewater solution to be detected subsequently received pollution, in the process of connecting sleeve rotation, it will drive three sliding rods to carry out synchronous rotation, sliding rod drives internal screw block to rotate, so that internal screw block will move upwards or downwards when rotating, so that the inner wall of liquid storage barrel is washed by the cleaning brush on three connecting rods, cooperate three scrapers to further improve the cleaning effect of overall device.

This invention relates to the technical field of emulsion explosive packaging, and more particularly to a processing device for emulsion explosives. A feeding pipe is located in the middle of the machine body, connecting to an external feeding device. A mounting plate is fixedly connected to the top of the machine body, and a cylindrical block is located at the bottom of the mounting plate. The lower end of the feeding pipe passes through the cylindrical block. Symmetrical sliding blocks are provided on the mounting plate, and clamping arc blocks are slidably connected to the sliding blocks. A bidirectional threaded rod is rotatably connected to the mounting plate, and the bidirectional threaded rod is threadedly connected to the sliding blocks. A dual-axis motor is mounted on the mounting plate, and the dual-axis motor is connected to the bidirectional threaded rod. This solution effectively solves the problem of powder splashing and scattering during existing powder bagging processes, ensuring the health of operators and meeting industrial production safety and environmental protection requirements. The dual-axis motor and bidirectional threaded rod drive the clamping arc blocks to clamp the pre-made bag opening, and in conjunction with a piston rod and air cylinder, inflates the airbag block, sealing the gap between the bag opening and the cylindrical block.

The utility model discloses an electronic valve and refrigeration equipment relates to refrigeration control technical field, wherein, electronic valve electronic valve, including lower valve seat subassembly, upper valve seat subassembly, valve needle subassembly and silencer, and lower valve seat subassembly is equipped with the intercommunication and valve mouth, and the valve cavity is formed with upper valve seat subassembly together, valve needle subassembly can be installed in upper valve seat subassembly, is used for opening and closing valve mouth, silencer is located in valve needle subassembly periphery, and its lateral wall is equipped with the sound attenuation hole, and the bottom is sealed butt joint with valve mouth circumference, and the upper end is spaced apart with upper valve seat subassembly, forms the flow passage of refrigerant circulation. Through setting up the silencer with the sound attenuation hole around the valve mouth, the big bubble in the refrigerant is refined into the small bubble, reduces the noise when its breakage, realizes efficient noise reduction. Since the main noise source concentrates in the valve mouth area, this arrangement can realize accurate noise reduction, and improve the overall mute performance. The flow passage formed between the silencer and upper valve seat subassembly helps impurities to be discharged with the refrigerant smoothly, avoids entering the transmission component gap.

The utility model provides a kind of aeration pipe for compost, mainly relates to aeration equipment technical field.A kind of aeration pipe for compost, including aeration pipe, the both ends of the aeration pipe are respectively screwed with quick connector, the top surface of the aeration pipe is equipped with several evenly distributed aeration holes, and the section of the aeration pipe is regular hexagon structure.The utility model has the beneficial effect that: aeration pipe adopts regular hexagon section design, can be stably placed on ground when installing, avoid the deviation of aeration hole caused by rolling, ensure that gas is evenly discharged;Evenly distributed aeration hole makes the gas distribution of compost area more balanced, effectively improves oxygen supply efficiency, promotes the uniformity and efficiency of compost fermentation process, provides stable environment for microbial activity.

This utility model discloses a sand and gravel separator, specifically relating to the field of concrete production technology. It includes a collection box with an auger conveyor installed on one side. The bottom of the auger conveyor is connected to a discharge port. A screening machine is installed at the top of the collection box, with a feed port connected to its top. A cleaning component is installed inside the screening machine, and a feeding mechanism is installed inside the discharge port. The cleaning component includes a baffle plate fixedly connected to the inside of the screening machine. A first filter screen and a second filter screen are fixedly connected inside the screening machine by screws, with the second filter screen installed on one side of the first filter screen. By setting up the cleaning component and the feeding mechanism, this utility model allows for dual screening of sand and gravel by the first and second filter screens, effectively cleaning their surfaces, reducing clogging and improving screening efficiency, maintaining good separation performance, and minimizing sand and gravel accumulation and compaction inside the discharge port, ensuring smooth discharge of sand and gravel.

This utility model discloses a heat exchanger and an air conditioner. The heat exchanger includes: fins; heat exchange tubes, which are inserted into tube holes and through which refrigerant flows; the fin unit includes: a flat region arranged circumferentially along the tube hole; a corrugated region surrounding the flat region, with at least one central corrugation opposite to the flat region along the length of the fin; and a transition region obliquely connected between the flat region and the corrugated region; wherein the diameter of the flat region is D, and the sum of the wavelengths of at least one central corrugation is λ, and D and λ satisfy the relationship: 0.9D≤λ≤1.1D. This increases the contact area between the fins and the heat exchange tube, thereby improving the heat exchange capacity between the heat exchange tube and the fins. The small slope formed by the intersection of the flat region and the central corrugation prevents residual water formation and creates a continuous drainage channel, allowing condensate to drain smoothly during evaporation and improving the heat exchange capacity during evaporation.

This utility model belongs to the field of sludge filtration technology and discloses a dynamic sludge filtration device, including a housing. A filtration unit and a discharge unit are connected to the outside of the housing via a rotating motor and a discharge motor, respectively. The filtration unit and discharge unit are located inside the housing. A water pumping unit is located at the top of the housing and connected to the water pumping unit via a filtration water pumping pipe. The discharge unit is located at the bottom of the filtration unit and the water pumping unit. This utility model can increase the sludge contact area and filtration area, allowing liquid to penetrate into the filter housing more quickly. Combined with the rotating water pumping component, the liquid is promptly extracted, improving the speed and efficiency of sludge dewatering and shortening the processing cycle. The rotating motor drives a rotating rod, which in turn causes the filter housing to rotate within the sludge. Dewatering is achieved using the principle of free liquid permeation. Compared to traditional methods that rely on strong external force for dewatering, this effectively reduces the moisture content of the filter cake and significantly reduces energy consumption.

The utility model discloses a kind of article discharging mechanism and adopt the game equipment of the article discharging mechanism.A kind of article discharging mechanism, including pedestal, jacking mechanism, control system, moving piece and first detection device, pedestal is provided with blanking area and jacking station, rotating disc is rotatably installed on pedestal upper portion, pedestal is provided with by hopper and abutment portion and is composed of object-carrying component, jacking mechanism is set below jacking station, moving piece is movably arranged in pedestal, moving piece is drivingly connected with first drive mechanism, first drive mechanism is electrically connected with control system;First detection device is used to detect the displacement of moving piece, first detection device is electrically connected with control system, when first detection device detects moving piece and moves to set position, control system can control jacking mechanism and drive hopper in jacking station to swing upward and rise, using above structure, make the smooth discharging of article discharging mechanism, and expand the range of article discharging mechanism applicable article.

A wave energy and photovoltaic power generation offshore buoy system, comprising a weather monitoring device, a buoy body, a mooring device; the buoy body comprises a floating body suspended on the sea surface; wherein further comprising: a counterweight seat arranged below the floating body; a power generation module, comprising a photovoltaic power generation module and a sea wave power generation module, the photovoltaic power generation module comprises a plurality of vertical distributed photovoltaic panels arranged on the mast; the sea wave power generation module comprises a sea wave generator set and at least two pressure wells vertically penetrating through the buoy body; a power storage module for storing the power of the power generation module and discharging the weather monitoring device. To solve the problem of short service life and complex maintenance of offshore buoy when collecting and monitoring meteorological data; through the counterweight seat, the operator is facilitated to maintain on the buoy; through the power generation module, the power conversion effect is strengthened; through the power storage module, the discharge to the weather monitoring device is stabilized, and the service life of the buoy monitoring weather is prolonged.

This utility model relates to the field of online analyzer technology and discloses a back pressure balancing system for an FTA analyzer, including an FTA analyzer, a back pressure balancing system, and a flare. The FTA analyzer is connected to the back pressure balancing system via an outlet pipe. One end of a return manifold is connected to the outlet pipe, and the other end is connected to the flare. A pneumatic pump is installed on the return manifold. A differential pressure flow meter is installed on the return manifold between the FTA analyzer and the pneumatic pump, with its other end connected to the return manifold between the FTA analyzer and the differential pressure flow meter, and the other end connected to the pneumatic pump. The control system is connected to the drive gas pipeline and the differential pressure flow meter. This utility model can reduce the pressure of the high-pressure gas discharged from the FTA analyzer, maintaining the discharged gas within a normal pressure range, enabling stable discharge of high-pressure gas. It solves the problem of high and fluctuating pipeline pressure preventing the discharge of exhaust gas after instrument analysis, improving system reliability and ensuring the long-term stability and maintainability of the system.

The application discloses a steam exhaust condensation recovery system, which comprises a transfer box, a condensation box, a steam exhaust device, a steam input pipe and a condensation return water pipe connected with the transfer box, a steam output pipe and a condensation return pipe connected with the transfer box and the condensation box, and a steam exhaust pipe connected with the condensation box and the steam exhaust device. The steam input pipe is used for receiving steam output by a cooking device, and the steam exhaust device is used for exhausting steam to the outside. The steam exhaust condensation recovery system forms a steam exhaust path and a condensation water exhaust path. The application further discloses an integrated cooker with the steam exhaust condensation recovery system. The steam exhaust condensation recovery system has the advantages that water stains formed on a table board, a wall surface and the like are reduced, and condensation water can be recycled.

The utility model relates to a kind of vertical screw material cutting door mechanisms, including first pusher, the discharge pipe of the first pusher acting end, the material pipe being communicated with the discharge pipe, the moving piece of moving material evenly and the sealing piece of sealing or opening the discharge pipe;Discharge groove is opened in the discharge pipe;One end of the material pipe is communicated with the discharge groove, and other end is connected with bunker;The moving piece rotates in the discharge pipe;The bottom of the discharge groove is open in shape;The sealing piece is arranged on the discharge pipe, and the acting end of the sealing piece corresponds with the bottom of the discharge pipe.Solved movable gate by manual operation, its opening degree is controlled depending on operator experience, not only labor intensity is big, and discharge speed and flow are difficult to accurately control, it is extremely easy to lead to powder uneven discharge, affect the precision and efficiency of material packaging.

This utility model belongs to the field of electric steam oven technology, and particularly relates to a variable frequency electric steam oven, including an outer shell, a variable frequency control panel installed on the front of the outer shell, support foot tubes fixedly installed around the bottom of the outer shell, adjustable feet installed at the bottom of the support foot tubes, a steam outlet connected to the top of the outer shell, and a water inlet fixing bracket fixedly installed at the bottom of the outer shell. The other end of the water inlet is connected to the inlet of the auxiliary water tank float valve, and a clamp blind plate sleeve is installed on the top of the auxiliary water tank. This variable frequency electric steam oven, through heating elements installed on the inner wall of a square body under a vertical cylindrical or elliptical cavity, concentrates the heating area around the cavity in the middle of the heating water tank, allowing the water in the heating tank to quickly absorb heat in this area and reach boiling. Simultaneously, the cylindrical or elliptical cavity provides a vertical exhaust channel for steam. Since steam is less dense than water, buoyancy allows the steam to be discharged more smoothly. Concentrated boiling and vertical exhaust accelerate phase change, improving steam generation efficiency.

This utility model relates to an alcohol precipitation tank for concentrated traditional Chinese medicine liquid that facilitates slag removal. The tank includes an upper tank and a lower tank. The upper tank is mounted on a frame, and the lower tank is positioned below the upper tank via multiple support components. The bottom edge of the upper tank has an upper connecting plate, and the top edge of the lower tank has a lower connecting plate. Each support component includes an inverted telescopic cylinder positioned below the lower connecting plate, allowing the lower tank to be raised and brought into contact with the upper tank by extending the telescopic rod of the cylinder. Multiple self-locking buckles secure the upper and lower tanks together. A spring is fitted over the telescopic rod, with its upper end fixed to the bottom of the upper connecting plate and its lower end fixed to the top of the telescopic cylinder, allowing the lower tank to be supported by the spring after the telescopic rod retracts. A vibrator is mounted on the lower tank, which is shaped like an inverted cone. This alcohol precipitation tank offers advantages such as convenient operation and rapid slag removal.

The utility model relates to vacuum packaging machine technical field discloses a kind of smooth bag vacuum packaging machines, including machine body, the machine body top is rotatably connected with cover, the machine body top front side is fixedly connected with sealing cotton, the sealing cotton top is fixedly connected with bag pressing silica gel, the sealing cotton middle is slidably connected with the hollow air nozzle and is penetrated, the machine body middle is equipped with vacuum chamber, the machine body inner wall left side is fixedly connected with air pump, the machine body top front side is penetrated and is equipped with sump, the machine body middle is equipped with drive assembly.In the utility model, the hollow air nozzle moves with the movement of rack, when the machine is vacuumized, the hollow air nozzle is in the state of pushing out with rack, the gap on the hollow air nozzle can provide the line for smooth bag, so that air is smoothly discharged, when the machine is sealed, the hollow air nozzle is withdrawn with rack, it exits the inside of bag, and does not affect bag sealing.

This utility model provides an ultrafine grinding mill with convenient material discharge, relating to the field of grinding mills. The mill includes a discharge hopper, a threaded rod rotatably mounted on the front side of the discharge hopper, a horizontal plate on the outer side of the threaded rod, a fixed sleeve fixedly connected to the bottom of the horizontal plate, and rotating sleeves rotatably connected to both sides of the fixed sleeve. Side plates are provided on both sides of the discharge hopper, with a front guide plate and a rear guide plate fixedly connected to both ends of each side plate. A rotating shaft is rotatably connected inside the side plate, and multiple turntables are fixedly connected to the outer side of the rotating shaft. Multiple striking heads are slidably connected in a circular array inside each of the turntables. In this ultrafine grinding mill with convenient material discharge, the multiple striking heads continuously strike the side wall of the discharge hopper under the action of connecting springs, effectively shaking off dust adhering to the hopper wall, preventing blockage, and ensuring smooth material discharge.

The utility model discloses a kind of straw enzyme hydrolysis square bin discharging anti-blocking devices, it is related to straw bin technical field, including support frame, the upper surface of support frame is fixedly provided with bin body, the bottom of bin body is provided with anti-blocking mechanism;The anti-blocking mechanism includes square hopper, the square hopper is arranged in the inside of bin body, and the top of square hopper is fixedly connected with rectangular rubber ring between the periphery and bin body inner wall, the anti-blocking mechanism further includes two rotating shaft rods rotationally arranged in bin body. The utility model realizes anti-blocking by multiple structure synergistic effect. The surface of two rotating shaft rods in upper portion is equipped with evenly distributed movable rod, and when rotating, it can stir and loosen the straw above square hopper, to avoid straw to be accumulated and blocked in upper portion;Two crushing rollers in lower portion are reversely rotated, can crush the falling straw, break agglomeration, prevent large straw from blocking discharge passage.

The utility model belongs to the technical field of plastics production, disclose a kind of engineering plastics mixing device, including mixing tank, mounting bracket and stirring assembly;Mixing tank is used to store plastic particles;Mounting bracket is used to support and fix mixing tank;Stirring assembly includes driving piece one, main rotary rod, driving gear, propeller blade, vice rotary rod, driven gear and stirring blade, the driving piece one is connected in the bottom of the mixing tank, the main rotary rod is connected in the driving piece one, the driving gear is connected in the main rotary rod, the propeller blade is connected in the main rotary rod, the vice rotary rod is connected in the mixing tank;By making material can be subjected to more comprehensive and violent stirring action in mixing process, to effectively break the material aggregation phenomenon, realize more fine, more uniform mixing effect, reduce the time required for mixing, to improve overall production efficiency.

The application relates to the technical field of pigment processing equipment, and discloses a solvent pigment vacuum drying and concentrating device, which comprises a concentrating box, a function box is fixedly installed on the left side of the concentrating box, a partition plate is fixedly installed on the inner wall of the concentrating box, a motor is fixedly installed on the top of the concentrating box, a first stirring mechanism and a second stirring mechanism are arranged in the concentrating box; a discharge pipe is arranged at the bottom of the concentrating box, an electromagnetic valve is arranged on the discharge pipe, and a dredging mechanism is arranged in the discharge pipe. The application has the following advantages and effects: the first stirring mechanism and the second stirring mechanism can act on the material from different directions and angles, greatly improving the uniformity of stirring and the mixing and dispersing efficiency of the solvent pigment; the dredging mechanism can prevent the dried pigment from blocking the discharge pipe during the discharging process, ensure that the dried pigment can be smoothly discharged, and improve the working efficiency.

This utility model discloses an auxiliary ash unloading device for a gravity dust collector, comprising: a dust collector, a fixed plate first fixedly connected to the lower surface of the dust collector, a fixed plate second detachably connected to the lower surface of the fixed plate second, an ash unloading shell fixedly connected to the lower surface of the fixed plate second, and a rotating blade movably connected to the inner surface of the ash unloading shell; a transport shell, a conveyor belt movably connected to the inner surface of the transport shell, a vibrator fixedly connected to the side surface of the transport shell, a support column fixedly connected to the lower surface of the transport shell, a compression spring fixedly connected to the lower surface of the support column, a piston rod fixedly connected to the lower surface of the support column, and a cylinder slidably connected to the side surface of the piston rod. Through the above structure, efficient ash unloading of the gravity dust collector is achieved, ensuring uniform and continuous discharge of dust from the dust collector, preventing dust accumulation and blockage in the ash unloading device, reducing dust pollution during transportation, and improving the overall working efficiency of the ash unloading system.

This utility model discloses a waterproof and dustproof high-pressure safety valve for gas, including a housing, a guide seat, a valve, a filter assembly, and a valve seat. The housing has an inlet at its lower end and an outlet along its circumference. This structure adopts a bottom-in, side-out approach, with multiple outlets to improve exhaust efficiency. The guide seat and valve are located inside the housing, with the guide seat slidably connected to the inner wall of the housing. The valve seat is located at the lower end of the housing, with the upper end of the valve corresponding to the lower end of the guide seat. The valve and valve seat slide in contact, and the lower end of the valve corresponds to the flow channel of the valve seat. An exhaust chamber is located inside the housing, connected to the outlet along the circumference of the housing. An elastic sealing ring is provided on the inner wall of the exhaust chamber. Through optimized structural design and sealing performance, this valve solves the problems of leakage and jamming that may occur with traditional safety valves in special environments, improving safety and service life, and providing a guarantee for the long-term stable operation of industrial equipment.

This utility model relates to the field of wastewater treatment technology, and more particularly to a stratified separation device for construction wastewater. It includes a support frame with a through hole in the middle. A hollow ring is fixedly connected to the upper surface of the support frame, and a treatment tank is inserted into the hollow ring. A fixing assembly for securing the treatment tank is provided on the support frame. A first electric push rod is fixedly installed on the treatment tank. The drive end of the first electric push rod is connected to a perforated pressure plate via screws. Filter cloth is connected to the lower surface of the perforated pressure plate via multiple Velcro straps. An opening is provided on one side of the treatment tank. This utility model effectively avoids extracting bottom sediment, eliminates the need for secondary treatment of the extracted supernatant, greatly improves the efficiency of separating the supernatant from the sediment in wastewater, and ensures the quality of the treated supernatant.

The utility model discloses a kind of air conditioner condensate water recycling devices, it is related to condensate water recycling technical field, including water collecting pool, the import of water collecting pool is connected with the drainage port of air conditioning unit via water collecting pipeline, the outlet of water collecting pool is connected with the water inlet of cooling tower via drive source;Filtering water tank for filtering impurities in its pipeline is arranged on the water collecting pipeline, filtering element is arranged in filtering water tank, so as to divide the tank cavity of filtering water tank into the front cavity connected with the water inlet of filtering water tank and the rear cavity connected with the water outlet of filtering water tank, and the rear cavity bottom height is lower than the front cavity bottom height.The water collecting pipeline in the utility model is directly connected with air conditioning unit and cooling tower, forms closed loop recycling path, ensures that condensate water is directionally transported;Filtering water tank is arranged in recycling path simultaneously, two-stage filtering element built-in filtering water tank is arranged in water flow direction in turn, realizes progressive interception of physical impurities, provides the water supply source of preliminary purification for cooling tower.

The utility model discloses a multi-stage crushing powder vibrating mill which comprises a box body, one side of the top end of the box body is fixedly connected with a feeding hopper, the inner wall of the box body is sequentially and fixedly connected with a plurality of filter plates from top to bottom, and a grinding unit is arranged above the filter plates. Through cooperation of the box body, the feeding hopper, the filter plate and the material grinding unit, materials can fall downwards through the filter plate, filter holes of the filter plate in the box body are continuously reduced from top to bottom, multi-stage step-by-step crushing of the materials is facilitated, when the grinding roller passes through the materials clamped by the filter holes in the period, the acting force of the lower portion of the outer wall of the grinding roller close to one side of the materials is greatly increased, and at the moment, a compression spring is compressed and deformed; the sleeve block, the round rod, the square rod and the grinding roller move upwards, and the grinding roller can grind above the clamped material instead of being blocked and cannot move forwards, so that a motor for driving the grinding roller to rotate cannot be in a high-load state, and a machine body can run stably for a long time.

The present application relates to the technical field of film processing, and particularly relates to a temperature control strong attachment flow line for car film production and a composite process thereof. The present application aims to provide a temperature control strong attachment flow line for car film production and a composite process thereof, which integrates electrostatic auxiliary lamination, gradient heat pressing and gradient cooling, effectively eliminates bubbles, reduces internal stress, and realizes high-quality composite between film layers. The temperature control strong attachment flow line for car film production comprises a feeding device for synchronously releasing at least two film substrates to be laminated; a pre-lamination device arranged downstream of the feeding device and used for preliminarily laminating the at least two film substrates; and the pre-lamination device comprises an electrostatic auxiliary lamination unit and a mechanical extrusion lamination unit. The present application achieves the effect of integrating electrostatic auxiliary lamination, gradient heat pressing and gradient cooling, effectively eliminating bubbles, reducing internal stress, and realizing high-quality composite between film layers.

This invention provides a digital pH sensor, belonging to the field of digital pH sensor technology. It includes a secondary instrument host, with a display screen embedded in one outer wall and a multi-core cable extending from the other outer wall. A digital pH sensor is mounted at one end of the multi-core cable. A detection port is located at the center of the end of the digital pH sensor furthest from the multi-core cable. A boss is located at the center of the inner wall of one side of the detection port. A detection head is mounted on the side of the boss furthest from the multi-core cable. A circulation channel is formed between the interior of the detection port and the outer periphery of the boss. This invention utilizes the speed of the reciprocating motion of a ring piston and the resulting pumping force to control the flow velocity of water outside the detection head, ensuring the water flow is within an optimal range and flows upwards, facilitating bubble removal and uniformity, and guaranteeing the accuracy of the detection data.