4970 results about "Ball valve" patented technology

The invention relates to the field of hydroelectric generation automation control, discloses an intelligent flow-pressure double closed-loop control method and system for a water inlet ball valve of a water turbine, and aims to solve the technical problems that flow stability and pressure fluctuation suppression are difficult to consider, dynamic response is delayed and working condition adaptability is poor in existing single-loop control. The method comprises the steps that inlet pressure and flow data are collected in real time through a pressure sensor and an ultrasonic flowmeter, a cascade structure of outer ring flow control and inner ring pressure control is constructed in combination with working condition parameters such as the rotating speed of a unit and the opening degree of a guide vane, and a working condition self-adaptive weight distribution module is introduced to dynamically adjust the double-ring gain coefficient; meanwhile, a feed-forward compensation mechanism and an optimal efficiency curve database are fused, and dynamic matching of set values and advanced response of load instructions are achieved. The system comprises a data acquisition unit, a double-closed-loop control unit, a weight distribution unit, an electro-hydraulic servo execution mechanism and a safety interlocking module, and supports microsecond-level gain updating and high-precision valve position control. According to the technical scheme, the adjusting precision and the response speed of the water turbine under the complex working condition are remarkably improved, the actual measurement efficiency is improved by 2.5%-4.8%, the adjusting time is shortened to be within 3 seconds, the positioning precision reaches + / -0.5 degree, and safe and stable operation of the system is guaranteed.

The invention relates to the technical field of industrial automation and control, and discloses a top-mounted high-temperature-resistant hard sealing ball valve and a self-adaptive dynamic control system of the top-mounted high-temperature-resistant hard sealing ball valve. The system aims at solving the technical problem that due to the fact that fixed driving torque is adopted, the sealing face of the valve is excessively abraded or the risk of heat jamming exists. The system is characterized by comprising a multi-point distributed sensing subsystem, a valve dynamic control unit and an intelligent electric actuating mechanism. A hybrid torque prediction model based on physical information and data driving is arranged in the valve dynamic control unit, the optimal torque is predicted in real time through sensing data, an executing mechanism is driven to respond dynamically, and the valve dynamic control unit has the online self-learning capacity. Accurate prediction and dynamic adjustment of the valve operation torque can be achieved, overstress damage is effectively avoided, the self-adaptability and generalization ability of the system are improved, and the service life of the valve is prolonged.

The invention discloses grinding and polishing equipment for a ball valve element and a machining method of the grinding and polishing equipment, and belongs to the technical field of ball valve element machining. According to the technical scheme, the grinding and polishing equipment is characterized by comprising a supporting frame and further comprising a placement assembly, and the placement assembly comprises a lifting frame, a lifting device, a placement disc, a supporting shaft and rolling wheels; the grinding device comprises a first rotating shaft, a rotating frame, a universal shaft, a grinding disc, a grinding frame, a first electric telescopic rod and a second grinding piece, the universal shaft is installed on the rotating frame, the grinding disc is installed on the rotating shaft, the grinding frame is installed on the supporting frame, the first electric telescopic rod is installed on the grinding frame, and the second grinding piece is installed on the first electric telescopic rod. According to the grinding device, the outer surface of the valve element of the ball valve and the inner wall of the middle round hole can be ground at the same time, the grinding disc in the grinding device can grind the outer surface of the valve element, the second grinding piece can go deep into the round hole to conduct synchronous treatment on the inner wall, the grinding time is greatly shortened, and the working efficiency is remarkably improved.

The utility model relates to a supercritical unit drain ball valve structure which comprises a valve body, a valve rod and a valve ball, the valve body is integrally manufactured, a valve cavity is formed in the middle of the valve body, and flange holes are formed in the two ends of the valve body respectively. One side of the valve cavity is communicated with one flange hole, and the other side of the valve cavity is communicated with the other flange hole through a water through hole; a valve rod hole is formed in the middle of the upper end of the valve body, and fixing supports are arranged on the two sides of the upper end of the valve body respectively. The valve body is of an integrated die forging structure, the situation that a split valve is prone to leakage is avoided, the valve body is of a floating ball structure, and the ball body is easier to seal under high pressure; medium chromium carbide is sprayed on the ball body and the valve seat, so that the spraying hardness, the binding rate and the porosity are guaranteed, and the sealing reliability is guaranteed; a compensation disc spring is arranged between the valve seat and the positioning pressing ring, so that the valve seat ensures the mounting reliability and the sealing reliability; the thrust ring is arranged on the valve rod to limit the displacement of the valve rod and prevent the valve rod from being separated from the ball body, and safety and reliability are achieved.

The invention relates to the technical field of valve pressure testing, in particular to a valve pressure testing device and a using method thereof.The valve pressure testing device comprises a detection water tank, a supporting frame is arranged on the detection water tank, a rotating support structure is rotationally arranged on the supporting frame, and an intermittent driving mechanism capable of driving the rotating support structure to intermittently rotate at all stations is arranged on the supporting frame; a plurality of clamping structures used for positioning and clamping the ball valve main body are arranged on the rotating support structure in the circumferential direction of the rotating support structure, and inflation and deflation pipeline structures used for inflating and deflating the ball valve main body are arranged between the clamping structures; the detection water tank, the rotary support structure, the intermittent driving mechanism, the clamping structure, the inflation and deflation pipeline structure, the feeding slide way structure, the discharging slide way structure and the like cooperate and cooperate with one another to complete exhaust and inflation at the same time, gas recycling can be achieved, exhaust operation and time are saved, and full-process automatic testing can be achieved.

The utility model provides a quick-connection ball valve which comprises two ball valves, the two ball valves are in linear clamping connection, each ball valve is provided with a through hole for fluid to pass through, each ball valve comprises a valve body, a valve element is arranged in each valve body, each valve element is connected with a valve rod, the end, away from the corresponding valve element, of each valve rod extends out of the corresponding valve body, and the end, extending out of the corresponding valve body, of each valve rod is connected with a handle. The handle drives the valve element to rotate through the valve rod. And the valve body is provided with a locking device. The locking device comprises a locking groove and a locking column; the handle is in driving connection with the locking column. When the handle is closed, the locking column is arranged in the valve body; when the two ball valves are in butt joint and the handle is opened, the handle drives the locking column to stretch into the locking groove of the other ball valve, the locking device locks the two ball valves, the two ball valves are prevented from rotating and disengaging, fluid leakage caused by looseness is avoided, and the safety of valve body connection is improved.

A fluid connector includes a shell having a fluid channel, a ball valve accommodated in the shell and having a through hole, a control element arranged outside the shell for controlling the ball valve to rotate, and a pin member. A front end of the shell for engaging a matching connector has an engagement hole. The control element controls the ball valve between a closed position and an open position. The through hole is in fluid communication with the fluid channel when the ball valve is at the open position. A front face of the shell has an accommodating hole for accommodating the pin member. A resilient member is arranged in the accommodating hole for supporting the pin member. The pin member is adapted to be guided by a guide structure and compress the resilient member to separate from the engagement hole of the matching connector.

The invention relates to the technical field of ball valves, and discloses a ball valve butt joint structure which comprises two ball valve assemblies in coaxial butt joint, each ball valve assembly comprises a valve body, a valve element and a valve rod, each valve element is movably arranged in the corresponding valve body, one end of each valve rod penetrates through the corresponding valve body and is fixedly connected with the corresponding valve element, and the other end of each valve rod extends out of the corresponding valve body and is sleeved with a gear. The butt joint end face of each valve body is provided with a rack extending in the circumferential direction, and the rack of one ball valve assembly can be meshed with the gear of the other ball valve assembly. A limiting pin is elastically connected into at least one valve body, a limiting hole matched with the limiting pin is formed in the butt joint face of at least another valve body, the limiting pin can move between a locking position and an unlocking position in the axial direction relative to the valve bodies, the limiting pin is inserted into the limiting hole in the locking position, and the limiting pin is disengaged from the limiting hole in the unlocking position. According to the ball valve butt joint structure, locking and opening of the two ball valve assemblies can be completed only through two actions, and operation is rapid and convenient.

The invention relates to the technical field of sampling devices, in particular to a quantitative sampling valve of a liquid circulation pipeline, which comprises a ball valve, a sampling barrel and a sampling assembly. The sampling barrel is connected with a pipeline through a ball valve. When the ball valve is opened, a sampling channel is formed between the ball valve and the sampling barrel. The sampling assembly and the sampling channel are slidably sealed. The sampling assembly divides the sampling channel into an upper channel and a lower channel. According to the quantitative sampling valve of the liquid circulation pipeline, the ball valve, the sampling barrel and the sampling assembly are arranged to be matched, gas and residual liquid in the upper channel can be discharged back to the pipeline, the situation that a new liquid sample is polluted by previous liquid sample residues is avoided, and the sampling accuracy and representativeness are improved. And after the sampling is completed, the liquid sample is temporarily sealed in the sampling barrel by utilizing the sealing between the sampling assembly and the sampling barrel, so that the liquid sample is prevented from being polluted due to contact with the outside, and the liquid sample is convenient to transfer and store.

The invention belongs to the technical field of valves, and particularly discloses a self-pressure-control cut-off ball valve which comprises a valve shell, a sealing cavity is formed in the middle of the interior of the valve shell, a spherical valve element is rotationally arranged in the middle of the inner wall of the sealing cavity in a sealed mode, the middle of the spherical valve element is in a through opening shape, and an indicating groove is formed in the bottom of the valve shell. When pressure in a pipeline rises, the transmission assembly can be triggered in the valve shell to work so that the spherical valve element can rotate, then the valve shell is opened and conducted, the transmission assembly can be further driven to work along with pressure rising, and when the maximum pressure value of the valve is reached, the transmission assembly can be driven to rotate, so that the transmission assembly can be driven to rotate. At the moment, the opening degree of the spherical valve element in the valve shell is in the maximum state, the limiting assembly is triggered to limit the transmission assembly at the moment, the situation that the spherical valve element continues to rotate, and consequently the opening degree is decreased is prevented, and opening and closing of the valve can be automatically adjusted according to changes of the pressure in the pipeline.

The utility model relates to the technical field of traditional Chinese medicinal material treatment, in particular to material screening equipment for traditional Chinese medicinal material treatment, and aims to solve the technical problems that a traditional winnowing technology is low in separation precision, poor in adaptability to medicinal materials with different densities and shapes and prone to causing medicinal material loss. Comprising a feeding mechanism, a winnowing box, an air inlet channel, an air channel, a discharging channel, an air pipe, an air outlet, a ball valve, a sliding plate, a connecting plate, a hydraulic cylinder, a support, a feeding shell, feeding blades and a feeding shaft, a draught fan blows air into the winnowing box through the air inlet channel to conduct winnowing on medicinal materials, and then high-speed airflow carries the medicinal materials to enter the next winnowing box through the air channel. The wind power in the next winnowing box is reduced by adjusting the opening degree of the ball valve, impurities with the quality slightly close to that of normal medicinal materials are further removed, in this way, during multi-stage treatment, complete separation of the medicinal materials and the impurities and impurity removal, all the sliding plates are controlled to slide out at the same time, the winnowing boxes are communicated with one another, impurities fall down and are discharged through the bottom winnowing box, and impurity removal is completed.

The invention discloses a fault monitoring sealing ball valve, belongs to the technical field of ball valves, and solves the problems that a self-adaptive compensation mechanism of an intelligent valve positioner can cover the degradation process of mechanical wear of a pneumatic sealing ball valve quietly during long-term operation, and finally sudden control instability is caused due to the fact that nonlinear wear exceeds a compensation limit. Comprising a valve body, a pneumatic actuator arranged on the valve body, a valve rod which is in transmission connection with an output shaft of the pneumatic actuator and located in the valve body, a valve ball fixedly connected with the valve rod and a fault prediction circuit. The fault prediction circuit comprises a multi-dimensional physical sensing array module, a high-speed synchronous acquisition and preprocessing module, a core signal processing and fusion analysis module, an artificial intelligence coprocessor module and a predictive maintenance decision and life cycle management module. Multi-dimensional signals are collected in real time, valve health is evaluated after fusion analysis, and early warning and maintenance decisions are output.

The invention belongs to the related field of valve bodies, and discloses an intrusive flow-state-controllable high-pressure ball valve which comprises a valve body, a valve element and valve rod assembly, a shaft sleeve assembly, a sealing assembly, a sealing valve seat assembly, a ball valve spring assembly and a valve body pressing sleeve. The sealing valve seat assembly and the valve body pressing sleeve seal the valve element in an overlapped mode, and the integration degree of the ball valve is improved. A threaded hole is formed between the shaft sleeve assembly and the valve body pressing sleeve assembly, so that the positioning difficulty and the ball valve mounting difficulty are reduced; the valve element assembly is matched with the valve seat sealing assembly and the sealing gasket assembly in a PEEK-titanium alloy matching mode, so that the friction force in the movement process of the valve element assembly is reduced, and the possibility of clamping stagnation of the valve element assembly is reduced; o-shaped rings are arranged among the valve seat sealing assembly, the inner wall of the valve body and the valve body pressing sleeve, good sealing performance is kept for a long time, and the service life of the deep sea high-pressure ball valve is prolonged; a certain gap is reserved between the end, with the containing area sealed, of the valve seat and the ball valve spring assembly, and it is ensured that effective sealing can be established between the valve element assembly and the valve seat.

The present invention discloses a pneumatically controlled, high-pressure, balanced sewage, two-position, three-way reversing ball valve structure, comprising: a valve seat, a valve ball, and a valve ball centering sleeve installed within a valve body; the valve seat having three openings: a left opening and a right opening, located at the left and right ends of the valve seat, respectively, and a center opening located in the center of the valve seat; a port A located on the left side of the valve body, communicating with the center opening of the valve seat; a port B located on the right side of the valve body, communicating with the right opening of the valve seat; a high-pressure water wellhead connector connected to the left end of the valve body, the port of the high-pressure water wellhead connector being port P, forming a chamber C within the high-pressure water wellhead connector; a feedback piston sealing sleeve forming a closed chamber D at the right end of the feedback piston; chambers C and D being connected via a balancing pipe. The valve valve has reliable sealing performance, requires relatively low water cleanliness, and can be used in sewage reversing valves; it also features fast response speed and high flow rate.

The invention provides a ball valve with a protection function, and belongs to the field of ball valves, the ball valve comprises a valve body, a liquid inlet pipe, a liquid outlet pipe and a ball body, the ball body is located on the inner side of the valve body, the liquid inlet pipe and the liquid outlet pipe are located on the two sides of the valve body, the valve body is fixedly connected with the liquid inlet pipe and the liquid outlet pipe, and the end of the liquid inlet pipe and the end of the liquid outlet pipe are fixedly connected with connecting flanges. The pressure relief assembly is arranged on the inner side and the bottom of the valve body, and the pressure relief assembly is used for relieving pressure in an external pipeline; the anti-leakage assembly is arranged on the inner side of the valve body, and the anti-leakage assembly is used for blocking when the ball valve is in abnormal high temperature; and the switch assembly is arranged above the valve body, and the switch assembly is used for opening and closing the ball valve. According to the pressure relief valve body, the first sealing seat is pushed by high-pressure fluid to move downwards to compress the first spring, so that the fluid flows into the liquid drainage pipe through the through holes of the upper support and the lower support and is relieved into the temporary liquid storage tank, and the pressure relief process of the valve body is completed.

The utility model relates to the technical field of valves, in particular to a low-torque ball valve which comprises a valve body, a ball core, a valve rod and an executing mechanism, a flow channel and a rotating cavity for the ball core to rotate are arranged in the valve body, an overflowing hole penetrates through the center of the ball core, the executing mechanism drives the ball core to rotate through the valve rod, and a valve seat is further arranged in the valve body. The valve seat and the ball core are matched in a sealing mode to divide the flow channel into an inlet end and an outlet end, an auxiliary flow channel is formed in the valve body, the inlet end is communicated with the rotating cavity through the auxiliary flow channel, a through hole is formed in the ball core, the overflowing hole is communicated with the rotating cavity through the through hole, and a piston assembly is arranged in the auxiliary flow channel and comprises a piston piece and an elastic piece. According to the ball valve, fluid at the inlet end flows into the rotating cavity and the overflowing hole, hydraulic pressure on the inner side and the outer side of the ball core is balanced, and the rotating torque of the ball core is reduced.

A fluid connector includes a shell having a fluid channel, a ball valve accommodated in the shell and having a through hole, a control element arranged outside the shell for controlling the ball valve to rotate, and a pin member. A front end of the shell for engaging a matching connector has an engagement hole. The control element controls the ball valve between a closed position and an open position. The through hole is in fluid communication with the fluid channel when the ball valve is at the open position. A front face of the shell has an accommodating hole for accommodating the pin member. A resilient member is arranged in the accommodating hole for supporting the pin member. The pin member obstructs the rotation of the control element unless it is in a set position.

The invention provides a low-torque hydraulic balance ball valve, which relates to the technical field of valves, and comprises a valve body, a circular cavity is arranged in the valve body, a rotating shaft is arranged on the valve body in a penetrating manner, a valve core is arranged in the circular cavity, the rotating shaft is connected with the valve core, the valve body is also provided with a connecting channel, and the inlet end of the valve body is connected with the circular cavity through the connecting channel in a penetrating manner; a connecting hole is formed in the valve element, the valve element is communicated with the circular cavity through the connecting hole, a driving rod is arranged in the connecting channel, a stable sealing device is further arranged in the valve body, the driving rod is used for driving the stable sealing device, and the stable sealing device is used for enhancing the sealing effect of the rotating shaft and the circular cavity. The stable sealing device is arranged, the sealing action and the hydraulic balance process are synchronously carried out, an additional power source is not needed, the sealing effect of the rotating shaft and the circular cavity is synchronously enhanced in the hydraulic balance process, and dual optimization of torque reduction and leakage prevention is achieved.

The invention relates to the technical field of well drilling ball valves, and discloses a well drilling ball valve restarting device which comprises a ball valve shell, a mounting bin is mounted at the upper end of the ball valve shell, a driving assembly is arranged in the mounting bin, a first auxiliary restarting assembly is mounted on one side of the driving assembly, and a second auxiliary restarting assembly is mounted on the other side of the driving assembly. And a second auxiliary restarting assembly is arranged on the other side of the driving assembly. According to the well drilling ball valve restarting device, through the first auxiliary restarting assembly, a driving motor drives a belt to tighten a belt pulley so as to increase friction force, a valve rod is driven to rotate, the restarting reliability is enhanced, the high friction force is used for overcoming the valve ball clamping stagnation problem, the manual risk is reduced, remote or automatic operation is supported, manual intervention in the high-risk environment is reduced, and the well drilling ball valve restarting device is suitable for popularization and application. Through the second auxiliary restarting assembly, redundant restarting capacity is provided, the second auxiliary restarting assembly serves as a secondary backup to ensure reliability when motor driving fails, the structure is simple, response is fast, a pneumatic system acts fast, and the system is suitable for emergency working conditions.

The invention belongs to the technical field of ball valves, and particularly relates to an overpressure emergency self-pressure-relief ball valve which comprises a ball valve shell, a driving assembly is installed at the top end of the ball valve shell, a valve element is rotationally connected into the ball valve shell, the top end of the valve element is fixedly connected with the end of a rotating shaft of the driving assembly, and a liquid outlet is formed in one side of the ball valve shell. A butt joint shell is installed on the side, away from the liquid outlet, of the ball valve shell, a first pressure relief shell is fixed to the top end of the butt joint shell, a first spring is arranged in the first pressure relief shell, a first pressure relief block is fixed to the bottom end of the first spring, and a liquid inlet pipe is fixed to one end of the first pressure relief shell; by screwing the stud, the push block can be driven to extrude the first spring, meanwhile, under the limiting effect of the limiting block and the guide groove on the first pressure relief block, the pushing pressure of the first pressure relief block can be adjusted, and the first spring can be adjusted to the corresponding pressure according to the use scene.

A novel ball valve on a diaphragm pump comprises a ball seat, a ball cage and a valve ball. The ball cage comprises a positioning ring, a supporting column, a connecting ring and a limiting ring. The four supporting columns are annularly arranged at intervals. The positioning ring, the supporting column, the connecting ring and the limiting ring are integrally formed. The end, away from the positioning ring, of the supporting column and the side, facing the valve ball, of the supporting column are provided with an inclined face part, the inclined face of the inclined face part faces the valve ball, and the spherical face of the valve ball abuts against the four inclined face parts. According to the novel ball valve on the diaphragm pump, a one-way channel of the valve ball is formed through the four supporting columns which are annularly arranged at intervals, and the maximum flow of a fluid medium can be guaranteed while movement of the valve ball is limited. And during assembly, the ball cage of the corresponding model can be selected according to the flow performance required by the pump, so that the simple and low-cost matching of the overall flow characteristic of the pump can be realized, and the main structure of the pump body or the ball valve does not need to be changed.

A fluid connector includes a shell having a fluid channel, a ball valve accommodated in the shell and having a through hole, a control element arranged outside the shell for controlling the ball valve to rotate, and a pin member. A front end of the shell for engaging a matching connector has an engagement hole. The control element controls the ball valve between a closed position and an open position. The through hole is in fluid communication with the fluid channel when the ball valve is at the open position. A front face of the shell has an accommodating hole for accommodating the pin member. A resilient member is arranged in the accommodating hole for supporting the pin member.

The invention discloses a quick-change type ball valve with double mechanical interlocking assemblies, and particularly relates to the technical field of fluid control equipment, the quick-change type ball valve comprises a first ball valve and a second ball valve, and the second ball valve is installed on the side face of the first ball valve through a buckle; the first ball valve comprises a first valve element, a first valve seat, a first ball valve handle, a marble, a first pin and a first connecting buckle, a circular hole is formed in the upper wall of the first valve seat, a horizontally-placed first rectangular fillet long plate is arranged above the first ball valve handle, and a second arc-shaped groove is formed in the fillet position; a vertically-placed first threaded long rod structure is installed below the first rectangular fillet long plate, the first threaded long rod structure of the first ball valve handle vertically penetrates through a first circular hole of the first valve seat, and the first threaded long rod structure is rotationally connected with the first circular hole of the first valve seat.

The invention discloses a precise dust fall and explosion suppression control method for a fully mechanized coal mining face and a combined type electric ball valve, and relates to the technical field of automatic control. The method comprises the following steps: step 1, an intelligent control device synchronously issues a sampling trigger instruction to a dust monitoring assembly, a spray monitoring assembly and a vibration monitoring assembly; when the three sequences simultaneously meet the preset trigger conditions, generating a trigger event and a control starting point; 2, dividing service areas based on a valve group topology table, determining a target service area, and obtaining a candidate sequence from far to near according to the connection sequence of the valve group topology table and a combined manifold; and 3, the target valve position sequence and the action window are issued to a soft opening and closing curve generator so as to drive an execution motor speed reduction self-locking mechanism in each electric ball valve unit. According to the invention, through collaborative optimization in three aspects of monitoring, scheduling and execution, limitations in triggering accuracy, multi-valve coupling control and execution reliability in the prior art are broken through.

The invention discloses a pneumatic ball valve and a production process thereof, and relates to the technical field of ball valves, the pneumatic ball valve comprises a valve body, a valve core is rotatably connected in the valve body, two auxiliary rings are fixed in the valve body, the pneumatic ball valve further comprises a sealing assembly, and the sealing assembly comprises a sealing ring which is in sliding connection with the auxiliary rings and is used for sealing a gap between the valve core and the valve body; the impurity removing assembly comprises a guide ring connected with the auxiliary ring in a sliding mode, and a plurality of scrapers which are distributed in the circumferential direction and can rotate are arranged on the guide ring and used for removing impurities on the outer surface of the valve element; the driving assembly comprises a guide ring connected with the valve body in a sliding mode, when the valve element rotates, the guide ring extrudes gas to drive the scraper to slide in the direction of the valve element, and the guide ring extrudes gas to drive the sealing ring to slide in the direction away from the valve element; residues can be effectively cleaned, and the sealing performance can be guaranteed.

The invention discloses a powder multidirectional pneumatic conveying channel structure based on mixed material processing, and relates to the technical field of pneumatic conveying, the powder multidirectional pneumatic conveying channel structure specifically comprises a buffer mixing cylinder, the bottom of the buffer mixing cylinder is provided with a sealing ball valve, the bottom of the sealing ball valve is fixedly communicated with a first flow channel through a flange, and one end of the first flow channel is fixedly connected with a material distributing cylinder; a runner II is fixedly communicated with one side of the material distributing barrel, and a feeding pipe is also communicated with one side of the material distributing barrel; through two core designs of mechanical linkage self-adaptive regulation and intelligent on-demand energy supply, the energy efficiency ratio and the operation flexibility of the system are remarkably improved while the problem of powder conveying layering is solved, an efficient and reliable solution is provided for long-distance and multi-component powder pneumatic conveying, and compared with a static mixer, the energy efficiency of the system is greatly improved. The problem of separation caused by material characteristic difference is solved, and energy consumption increase caused by a multi-section mixer is avoided.

The invention relates to the field of equipment control, in particular to a water tank penetrating air source self-adaptive adjusting method and system. The method comprises the following steps: acquiring a finishing mill start-stop signal and a wire rod head position signal in real time; dynamically calculating the residual distance from the head of the wire rod to the penetrating water tank, and generating a dynamic delay opening threshold value; the electromagnetic valve is controlled to open the pneumatic ball valve in a sectional manner; monitoring the covering length of the wire rod and converting the covering length into an equivalent gas resistance value; a dynamic pressure compensation amount is generated through a pressure closed-loop controller; the opening degree of the pneumatic ball valve is adjusted accordingly; when the finishing mill stops, the pneumatic ball valve is triggered to be closed, and a gradient pressure relief turn-off program is executed if necessary. By means of the distributed sensor array and the multi-mode recognition neural network, real-time accurate monitoring and analysis of the operation state of the pump set are achieved, dependence of post personnel is reduced, and the automation degree and stability are improved. And by dynamically optimizing the control strategy, the pump set system operates efficiently, energy waste is reduced, the energy utilization efficiency is improved, and the production cost is reduced.

A drain valve assembly contains a body including a chamber, at least one rotatable stop portion, a first receiving orifice, a discharge orifice, a coupling orifice, and a second receiving orifice. A shaftless ball valve is received in the chamber and includes a fixing orifice, an opening, a first draining orifice, a second draining orifice, a third draining orifice and a stopping face. A first reinforcement ring is mounted on the upper support portion and the lower support portion. A second reinforcement ring is located at an upper portion of the chamber. A positioning ring includes a through orifice and an abutting portion. A controller includes a connection portion and an operation portion. A limiter is configured to connect the controller with the coupling orifice, and a filtration holder disposed on the first receiving orifice.

The invention discloses a cryogenic high-frequency ball valve, a valve seat and a sealing assembly, and belongs to the field of valves.The cryogenic high-frequency ball valve comprises a shell and a ball body, the shell is of a hollow structure, a cavity is formed in the shell, the ball body is located in the cavity, the cryogenic high-frequency ball valve further comprises the sealing assembly, the sealing assembly comprises a supporting ring and the valve seat, and the supporting ring is installed on the inner wall of the shell; the supporting ring is provided with an installation groove, the valve seat is installed in the installation groove and abuts against the ball body, a sealing face is formed between the outer surface of the valve seat and the inner wall of the installation groove, a reserved gap is formed between the tail end of the valve seat and the tail end of the installation groove, and when the valve seat shrinks, the valve seat further fills the reserved gap under abutting of the ball body. The sealing surface between the outer surface of the valve seat and the inner wall of the mounting groove is prevented from being damaged due to the fact that a gap is generated on the sealing surface between the valve seat and the mounting groove.

The utility model relates to an inverted metal sealing ball valve, which relates to the technical field of ball valve sealing, and comprises a valve body, a self-sealing end cover, a main valve seat, a main valve seat and a sealing cover, the bottom of the valve body is provided with a mounting port for mounting an integrated ball rod, the self-sealing end cover is used for sealing the mounting port, and the main valve seat is in sealing fit with the integrated ball rod; one end of the self-sealing end cover is in sealing fit with the main valve seat, the other end of the self-sealing end cover is in sealing fit with the auxiliary valve seat far away from the integrated ball rod, and a first disc spring is arranged at the contact position of the self-sealing end cover and the integrated ball rod. The integrated ball rod is arranged, so that the situation that a valve rod and a ball body of a traditional ball valve are not suitable for high-frequency operation occasions due to the fact that a flat tenon or square tenon connecting structure is adopted is avoided; by means of the valve, the reliability of opening or closing of the valve is guaranteed, and the sealing effect can be improved by arranging the first disc spring.