165results about How to "Realize online replacement" patented technology

The invention discloses an SAS hard disk and NVMe hard disk compatible hard disk backplane, and relates to the field of server hard disk backplanes. The integral structure of the hard disk backplane is a PCB board card on which a plurality of hard disk connectors and a CPLD are arranged, the hard disk connectors are SAS hard disk and NVMe hard disk compatible connectors, and are connected to the CPLD; and the CPLD can be used for automatically recognizing the types of connected hard disks, and is in communication with a BMC management module on a server mainboard through an I2C bus. According to the SAS hard disk and NVMe hard disk compatible hard disk backplane, an SAS hard disk and an NVMe hard disk use a same onboard connector and are compatible, so that the online change of the two hard disks is realized, the operation convenience is improved and the board card development cost is reduced; the management, carried out by the BMC management module, on the hard disk operation states and health conditions is realized; and by using different combinations of LED lamps, the current hard disk states are shown, so that convenience and visualization are provided.

The invention relates to fluidized bed process and device for preparing methane by a synthetic gas, belonging to the field of chemical industry technologies and equipment. The process comprises the following steps: adding catalyst and diluent into a fluidized bed reaction vessel; heating and reducing the catalyst; charging the synthetic gas into the fluidized bed reaction vessel; charging a cooling medium into a reaction vessel heat exchange component to remove reaction heat; separating to obtain a methane product; and selectively containing the online replacement of the catalyst according tothe service life of the catalyst. The fluidized bed device comprises a reaction vessel simplified body, a raw gas inlet, a gas distributor, a heat exchange component, an expanding section, a cyclone separator, a catalyst feed opening and a gas outlet and selectively comprises a catalyst recovering machine and a gas stripping machine, and the reaction vessel can be divided into at least two stages.The invention has the advantages of good heat removing ability, uniform bed layer temperature, online replacement of the catalyst, high conversion rate and selectivity, long continuous running time of the catalyst, and the like.

The invention provides an energy-storage voltage-balanced power electronic electric energy converting system and a control method thereof. The energy-storage voltage-balanced power electronic electric energy converting system is composed of an energy storage module, a voltage-balanced converter, a power-grid-side inverter, a power grid load, an energy-storage-side inverter and an independent load. Through control over the high-frequency soft-switching voltage-balanced converter, balanced control over an energy storage unit or module is realized, the service life of energy storage equipment is prolonged, the use cost is reduced, and meanwhile, multiple routes of isolation direct voltage are provided for the power-grid-side inverter. The energy storage unit or module is charged and discharged through the electric energy converting system, electric isolation of energy storage and a power grid is realized, interaction is formed with the power grid, and the purposes of peak load shifting, harmonic suppression and reactive compensation are realized. The energy-storage voltage-balanced power electronic electric energy converting system is realized through modularized design and has the advantages that electric isolation of the power grid and the energy storage side is realized, control is simple, the size is small, the efficiency is high and the cost is low.

The present invention relates to a method for separating biological macromolecular component by using two-dimensional or multidimensional capillary electrophoresis and its interface. The biological macromolecular component undergone the process of one-dimensional capillary electrophoresis separation can be passed through the interface and fed into two-dimensional capillary electrophoretic separation operation to implement two-dimensional capillary electrophoresis, the small molecular substance can be diffused and freely permeated through the hollow fibre in the interface and can obtain balance in it, and when the described biological macromolecular component is flowed through the interface, the buffer solution containing low molecular substance can be on-line added / removed into the hollowfibre in the interface.

The invention relates to a narrow-gauge train bogie which comprises a framework. Two wheel sets, a traction device, two traction motors, two gearboxes, a primary suspension device, a secondary suspension device and a foundation brake device are arranged on the framework. The primary suspension device is composed of a steel spring and a rocker arm type axle box, the rocker arm type axle box is connected with the framework through the steel spring, each wheel set comprises a wheel axle and wheels fixed to the two ends of the wheel axle, the wheel axles are connected with the rocker arm type axle box, the secondary suspension device comprises an air spring, a side rolling resisting torsion bar and a height control valve, the air spring, the side rolling resisting torsion bar and the height control valve are arranged on the framework, and the foundation brake device is a wheel-mounted disc brake device. The components are optimized and are combined in a matched mode, performance parameters are optimized, and therefore the performance of the bogie is greatly improved. As is proved by the experiment, according to the narrow-gauge train bogie, the operating speed of a train can be 160km / h on a narrow gauge of 1076mm, and the narrow-gauge train bogie has good stability, comfort and safety performance.

The invention discloses a storage battery charging-discharging system and a control method thereof for a new energy source power generating system. Each storage battery pack comprises a plurality of single batteries connected in parallel and is formed by connecting a plurality of parallel units connected in series; each storage battery pack is connected with one set of battery management system; the battery managing system is used for monitoring the voltage, the current, the resistance and the capacity state of the single batteries and playing a role of balancing the charging and the discharging; the storage battery pack is connected in parallel to a charger and a bus through a control switch; and a charging and discharging control method for the storage battery is used for controlling a charging switch and a discharging switch of each storage battery pack and a diesel engine switch. According to the storage battery charging-discharging system and the control method thereof disclosed by the invention, the service life of the battery can be prolonged to the maximum extent; by combining the characteristics of new energy sources with the diesel engine, the energy storage action and the voltage stabilizing action of the storage battery are fully exerted, the utilization efficiencies of the novel energy sources and the diesel engine are increased and the cost is reduced; and meanwhile, the online replacement of the battery is realized and powerful support for an energy-storage technology of an unstable new energy source power generating system is provided.

The invention discloses a high-low-voltage switch cabinet having a dust removing function. The high-low-voltage switch cabinet comprises a switch cabinet body which is horizontally arranged, wherein an installation empty cavity is formed inside the switch cabinet body, a bracket is arranged on a side wall of the switch cabinet body, a support is arranged inside the bracket, an axial flow fan is arranged on the support, the bracket is provided with a ventilation net on the outer side of the axial flow fan, the surface of the ventilation net is provided with a plurality of magnets, and a plurality of air outlets are formed in the switch cabinet body. the high-low-voltage switch cabinet is simple in structure and convenient in operation, can reduce temperature inside the switch cabinet, prolongs the service life of the switch cabinet, has a function of absorbing metal dust, greatly reduces the metal dust entering into the switch cabinet, ensures the normal operation of internal electrical components, avoids safety problems of causing short circuit and the like, is stable and reliable in operation, and reduces costs.

The invention relates to a residual oil hydrogenation method. The method is carried out in a fluidized bed reactor; a three-phase separation region, a fluidizing region and a circulation region are arranged in the fluidized bed reactor in sequence from top to bottom. The residual oil hydrogenation method comprises the steps: injecting a first fluidized bed hydrogenation catalyst from the upper part of the circulation region, and injecting a second fluidized bed hydrogenation catalyst and a suspended bed hydrogenation catalyst from the upper part of the fluidizing region to enable the residual oil and hydrogen to be subjected to the hydrogenation reaction in the fluidized bed reactor, wherein the particle size of the first fluidized bed hydrogenation catalyst is 0.05-0.8mm greater than that of the second fluidized bed hydrogenation catalyst; according to corresponding oxide, the content of the active metal components in the first fluidized bed hydrogenation catalyst is10-80 percent lower than that of the active metal components in the second fluidized bed hydrogenation catalyst. According to the residual oil hydrogenation method disclosed by the invention, better reaction effect can be achieved.

The invention belongs to the technical field of glass manufacturing and provides an online transitional roller replacing method. According to the online transitional roller replacing method, a roller replacing trolley is adopted to dismount old transitional rollers from a transitional roller table, and a supporting platform is flush with the old transitional rollers at the same straight line; then the old transitional rollers are dismounted at a vice operation surface, the height of a lifting supporting device is same as that of the supporting platform, the driving ends of the old transitional rollers are installed on a driving end supporting mechanism, and the driven ends of the old transitional rollers are installed on a driven end supporting mechanism; a roller entering and exiting moving mechanism is started to move all the old transitional rollers to the supporting platform automatically; the old transitional rollers are dismounted, and new transitional rollers are installed; then the new transitional rollers rotate automatically under driving of a roller rotating mechanism and are conveyed to the transitional roller table through driving of the roller entering and exiting moving mechanism; and then the new transitional rollers are installed on the transitional roller table and conveyed to suitable positions to work normally. In this way, online replacing of the transitional rollers is achieved, and the situation that radial deformation of the new transitional rollers occurs is avoided, so that normal work of the new transitional rollers is ensured.

The invention relates to a direct liquid fuel battery power system which comprises a fuel feeding component, wherein, a high-concentration liquid fuel storage tank is of a high-concentration liquid fuel box which has a quick self-closed sealed plug and is matched with a quick self-closed sealed socket of an inlet tube of a mini metering pump. When the fuel box is pulled out of the power system, the spring sealed plug of the sealed plug of the fuel box seals up the outlet of the fuel box, and the spring sealed plug of the sealed plug of the sealed socket of the inlet tube of the mini metering pump seals up the inlet tube of the mini metering pump. When the fuel box is inserted into the power system, the sealed push rod of the sealed socket of the inlet tube of the mini metering pump pushes the spring sealed plugs of the sealed plug and the sealed socket open to cause the fuel box to be connected with the mini metering pump. For adopting the direct liquid fuel battery power system of the high-concentration liquid fuel box, the high-concentration liquid fuel box can be changed rapidly, and poisonous liquid fuel in the high-concentration liquid fuel box can not be leaked out.

The invention relates to a residual oil hydrogenation method. The method is carried out in a fluidized bed reactor; the fluidized bed reactor comprises a shell (1), a three-phase separation component (2) and an inner pipe (3), wherein the shell (1) comprises an expansion section (11), a transitional section (12) and a straight cylinder section (13) in sequence from top to bottom; the diameter of the expansion section (11) is greater than that of the straight cylinder section (13); the three-phase separation component (2) is arranged in the expansion section (11) and the transitional section (12) to form a three-phase separation region; the inner pipe (3) is arranged at the lower part in the straight cylinder section (13) to form a circulation region and a fluidizing region positioned between the circulation region and the three-phase separation region. The residual oil hydrogenation method comprises the steps: injecting a fluidized bed hydrogenation catalyst and a suspended bed hydrogenation catalyst from the upper part of the fluidizing region to enable the residual oil and hydrogen to be subjected to the hydrogenation reaction in the fluidized bed reactor. According to the residual oil hydrogenation method disclosed by the invention, better reaction effect can be achieved.

The invention provides an electronic transformer redundant device. The electronic transformer redundant device comprises three independent mutual inductors, wherein the mutual inductors are connected with a multi-way signal control module through a data acquisition channel, the data acquisition channel comprises a signal acquisition module, a data processing module and an error calibration module which are sequentially connected, the data acquisition channel is used for transmitting measuring signals output by the mutual inductors to a multi-way signal control module after acquisition and data conversion and a merging unit is used for performing data transmission after the multi-way signal control module is used for performing data fusion and processing on the measuring signals. Compared with the prior art, the electronic transformer redundant device provided by the invention is connected to the merging unit in a self-adaption unit through multi-way optical fiber signals, therefore the reliability of the electronic mutual inductors can be improved.

The invention belongs to the technical field of glass manufacture, and aims to provide a roller changing carriage with a function of online transitional roller changing. The roller changing carriage comprises a carriage main body, a movable trolley device, a driving end supporting mechanism and a driven end supporting mechanism, wherein a plurality of universal wheels are fixedly arranged at the bottom of a supporting platform of the carriage main body, so that the roller changing carriage can move freely; the movable trolley device is arranged on the supporting platform, and is driven to move along the supporting platform by virtue of a roller in-out moving mechanism in the movable trolley device, when a transitional roller is fixedly connected to the roller changing carriage under assistance of the driving end supporting mechanism and the driven end supporting mechanism, the transitional roller can move along the supporting platform under driving of the roller in-out moving mechanism to enter and exit a slag box, and can also automatically rotate under driving of a roller rotation mechanism, so that the translational roller can be changed online, and normal production cannot be influenced.

The invention relates to an apparatus for removing hair from sludge. The apparatus comprises a filtration barrel, wherein both ends of the filtration barrel are respectively connected to an inlet end cover and an outlet end cover, a filtration mesh barrel is arranged inside the filtration barrel, a primary filtration chamber is formed between the outer wall of the filtration mesh barrel and the inner wall of the filtration barrel, the inlet end cover and the primary filtration chamber are communicated, the outlet end cover and the end head of the filtration barrel are communicated, and a winding device is arranged inside the filtration mesh barrel. According to the present invention, with the arranged combination of the filtration barrel, the filtration mesh barrel and the winding device, the hair can be conveniently removed from the sludge; the rapid connection member is used, such that the filtration barrel can be conveniently disassembled and replaced so as to clean hair and other soft fiber substances in the internal; and the multiple filtration barrel parallel connection structure is used, such that the non-stop on-line filtration barrel replacement can be achieved.

The invention relates to a splitting type rotor for a powder concentrator and a manufacturing process thereof. The rotor comprises a cage type rotor body formed by upper and lower flanges and blades, and a rotor cone which is coaxial with the rotor body and is arranged inside the rotor body. The rotor is characterized in that the splitting type rotor is formed by abutting two semicircular rotors which are divided through an axis plane. The manufacturing process comprises the following steps of: (1) preparing materials; (2) establishing a horizontal worktable; (3) drawing outer edge lines of the upper and lower flanges on the worktable and marking a circle center; (4) splicing the upper and lower flanges; (5) mounting the rotor cone; (6) mounting a cone flange; (7) mounting the upper flange and the blades, and weighing and encoding the blades; mounting according to an encoding sequence; in all the steps, adjusting the roundness, the coaxiality and the levelness and controlling the dimensional tolerance; (8) adjusting the balance of an integrally-grouped rotor; and (9) detaching the balanced rotor into two semicircular rotors and packaging and strengthening. The splitting type rotor disclosed by the invention has the advantages of convenience for storage and transportation and reduction of operation cost; the rotor blades can be replaced online and the production efficiency and the economic benefit are improved.

The invention relates to an underwater flat gate valve for a sea bottom christmas tree. The underwater flat gate valve comprises a valve body, a valve cover, a gate plate, a support and a valve seat.A first sealing structure is arranged between the valve body and the valve cover. A second sealing structure is arranged between the valve seat and the valve body. A third sealing structure is arranged between the valve cover and a valve rod. A gasket ring and a valve rod nut are mounted in the support, and the valve rod stretches out of the valve cover to penetrate the gasket ring to be in threaded connection with the valve rod nut. The upper end of the valve rod nut is connected with a drive sleeve, the drive sleeve is connected with an upper valve rod, and the upper valve rod is connected with a valve position indication mechanism. The upper valve rod is connected with an ROV connector through a supporting bearing. A pre-pressing disc spring for providing initial specific pressure is mounted on the valve seat. A pressure relief channel extending in the upstream direction is arranged in the valve body, and a one-way pressure relief valve is mounted on an inner channel of a valve cavity of the valve body. A gate plate guide mechanism is detachably mounted at the symmetric positions of the middle of the valve seat. The underwater flat gate valve has the advantages that sealing performance is good, and the functions of gate plate guide and start and stop compensation are achieved; and meanwhile, for gate plate and valve seat hardening treatment, the corrosion resisting strengthis improved, corrosion resistance is high, and the service life is long.

The invention relates to a residual oil hydrogenation method. The method is carried out in a fluidized bed reactor; a three-phase separation region, a fluidizing region and a circulation region are arranged in the fluidized bed reactor in sequence from top to bottom. The residual oil hydrogenation method comprises the steps: injecting a first fluidized bed hydrogenation catalyst from the upper part of the circulation region, and injecting a second fluidized bed hydrogenation catalyst from the upper part of the fluidizing region to enable the residual oil and hydrogen to be subjected to the hydrogenation reaction in the fluidized bed reactor, wherein the particle size of the first fluidized bed hydrogenation catalyst is 0.05-0.8mm greater than that of the second fluidized bed hydrogenation catalyst; according to corresponding oxide, the content of the active metal components in the first fluidized bed hydrogenation catalyst is 10-80 percent lower than that of the active metal components in the second fluidized bed hydrogenation catalyst. According to the residual oil hydrogenation method disclosed by the invention, better reaction effect can be achieved.

The invention discloses an improved winding device for a textile machine, comprising a bracket, an end of the bracket is provided with a motor-driven rotating shaft, and a plurality of supporting arms are arranged on the rotating shaft at uniform intervals along the rotating shaft. A take-up roller is arranged on the take-up roller, a wire fixer is arranged on the take-up roller, a drive motor is installed in the bracket, and the drive shaft of the drive motor is connected with the drive roller, and the drive roller and the rotating shaft are conveyed by a belt Connection, because the winding device of a textile machine of the present invention is provided with a plurality of support arms at uniform intervals along its circumference on the rotating shaft, and the support arms are provided with take-up rollers, which can be used to realize the winding by relying on the rotation of the rotating shaft. The on-line replacement of the rollers does not need to stop the textile machine, and the yarn fixer is used to fix the textile thread when taking up the thread, so that it is not easy to fall off the thread, so the spinning efficiency of the present invention is high.

The invention relates to a vacuum refueling horizontal linear evaporation source. The evaporation source employs horizontal linear down-blowing evaporation, has evaporation width of 300 mm and is applicable to evaporation of nonmetal elements with a sublimation temperature of lower than 2500 DEG C. The vacuum refueling horizontal linear evaporation source has the advantages of a small size, a simple structure, low manufacturing cost, capacity of realizing on-line continuous supply or replacing of raw materials, multi-point and controllable heating of raw materials, etc.

The invention relates to a method for preparing phenol-acetone through a movable bed reactor. The method mainly solves the problem that in the prior art, selectivity of phenol and acetone is low. According to the technical scheme, a CHP raw material (6) enters the top of the movable bed reactor (1) to make contact with a solid catalyst, a decomposition reaction is conducted, a large amount of heat is dissipated, liquid-phase acetone is evaporated into gas-phase acetone (7) to be discharged out of the top of the movable bed reactor (1), the discharged gas-phase acetone (7) is condensed into the liquid-phase acetone in a condenser (2) on the top of the reactor, the liquid-phase acetone is returned to the inner portion of the movable bed reactor (1), a reaction product (10) containing phenol and acetone is discharged out of the bottom of the movable bed reactor (1), and therefore the problems are solved, and the method can be used for preparing phenol-acetone.

The invention relates to the technical field of continuous casting machine overhauling, in particular to a method of replacing a sliding bearing on a weighing arm supporting shaft of a ladle turret ofa continuous casting machine. The method of replacing the sliding bearing on the weighing arm supporting shaft of the ladle turret of the continuous casting machine comprises the following steps of:pushing out a supporting shaft by using a hydraulic jack so as to separate the supporting shaft from the sliding bearing after using a prefabricated fixed support and a supporting shaft upper-frame tosupport and adjust a supporting arm and a lifting arm, removing the sliding bearing on the weighing arm after moving away the supporting shaft by using a crane in combination with a supporting shaftlifting appliance, and then arranging the sliding bearing to be arranged on the weighing arm, thus realizing the online replacement of the sliding bearing on the weighing arm supporting shaft of the ladle turret of the continuous casting machine. The method of replacing the sliding bearing on the weighing arm supporting shaft of the ladle turret of the continuous casting machine improves the construction efficiency, reduces the time of trouble shooting, further improves the production benefit and has wide market prospect; and auxiliary work fixtures needed by the method are simple and easy toobtain and has very strong practicability.

The invention discloses an electro-hydraulic integrated control device applied to valve control. The electro-hydraulic integrated control device applied to valve control comprises an actuator connected with the valve (1) and adjusting the valve location. The actuator is connected to a control assembly controlling the operation of the actuator. The control assembly is a hydraulic control mechanism packaged in a cabinet structure. The control assembly is provided with a pipeline connecting with the actuator. The electro-hydraulic integrated control device applied to valve control is reasonable in design. The control assembly is designed into a control cabinet mode, and the control assembly of a filter, a manual pump and the like is arranged reasonably in the control cabinet structurally. The electro-hydraulic integrated control device applied to valve control is simple in operation, can avoid damages to the control assembly from the valve vibration effectively, can increase cleanliness capacity on site and is suitable for the regulation control and the on-off control of devices with any lineal travel movement and angular travel movement.

The invention discloses a low-pressure carbon dioxide fire-extinguishing system, comprising a fire extinguishing device, a heating device and a control cabinet. The fire extinguishing device comprisesa storage tank, a starting pipeline and a CO2 conveying pipeline, wherein the starting pipeline and the CO2 conveying pipeline both communicate with the storage tank; the CO2 conveying pipeline has amain conveying pipeline and at least two branch conveying pipelines; the branch conveying pipelines communicate with the main conveying pipeline; the branch conveying pipelines are provided with selector valves and nozzles; and the main conveying pipeline has a service valve, a main valve and a pressure switch. The starting pipeline comprises a main starting pipeline and at least two branch starting pipelines, wherein the main starting pipeline communicates with the branch starting pipelines and is provided with a starting pipeline service valve, a pressure reducing valve and a first electromagnetic valve; the main starting pipeline is connected with the main valve; the branch starting pipelines are provided with second electromagnetic valves and connected with the selector valves. The storage tank has a refrigeration unit. The heating device is mounted on the storage tank. The low-pressure carbon dioxide fire-extinguishing system of the invention satisfies the requirements on fire protection in areas with low-temperature harsh environments, and is convenient to maintain; and since the dual mode of heating and cooling is adopted, the application environment of the system is expanded.

The invention belongs to the technical field of chemical equipment and particularly relates to a rectification system. The rectification system comprises two parallel rectifying towers, a protective reactor and a reboiler, wherein the protective reactor is communicated with the feed inlets I of the parallel rectifying towers through pipelines; the reboiler comprises a shell, a pipeline I and a pipeline II are arranged in the shell, the left end of the shell is provided with a pipeline I inlet and a pipeline II outlet, and the right end of the shell is provided with a pipeline I outlet and a pipeline II inlet; the pipeline I and the pipeline II are spiral pipelines coaxial with the shell, and the spiral directions of the pipeline I and the pipeline II are identical; the spiral parts of the pipeline I and the pipeline II are arranged at interval; the pipeline I inlet is communicated with the discharge outlets I of the parallel rectifying towers through pipelines, and the pipeline I outlet is communicated with the feed inlets II of the rectifying towers; the pipeline I is a material pipeline; the pipeline II is a heating-medium pipeline. By the rectification system, rectification efficiency can be increased effectively, the rectification effect can be guaranteed, and online replacing of catalysts in the rectifying towers can be achieved.

The invention provides an emergency power source current conversion device for a nuclear power station and a control method, applicable to the technical field of nuclear power station current conversion. The emergency power source current conversion device for the nuclear power station comprises multiple current conversion units, a sampling unit, a plurality of built-in controllers and a central controller. The built-in controllers make the multiple current conversion units synchronously work in current equalization and voltage stabilization under the control of the central controller. When one current conversion unit stops working due to faults, other current conversion units can still normally work independently, so that the reliability of the emergency power source current conversion device for the nuclear power station is improved. The emergency power source current conversion device for the nuclear power station is designed in a modular manner and is convenient to expand, the capacity of the emergency power source current conversion device for the nuclear power station is enhanced, and meanwhile, online replacement and maintenance can be realized. In addition, in the invention, an anti-seismic structure is adopted for the emergency power source current conversion device for the nuclear power station. The anti-seismic structure has excellent anti-seismic performance and can ensure that the emergency power source current conversion device works normally during earthquakes.

The invention relates to an on-line replacing method for an extrusion roll of a fiber spinning traction feeding machine, in particular to the on-line replacing method for the extrusion roll of the traction feeding machine in the dry-method spinning process of acrylon, belonging to a fiber spinning conveying device. The on-line replacing method is characterized in that: when the extrusion roll has faults, an extrusion device special for maintenance is used to temporarily replace the extrusion function of the traditional extrusion roll having faults to maintain the normal operation of the fiber spinning traction feeding machine; and according to the extrusion device special for maintenance, a tray 4 on which an extrusion roll 1 special for maintenance is fixed penetrates through a fixed bolt groove in the middle of the tray through a tray fixing bolt 6 and is fixed on a traditional serially-connected roll shaft seat, thus the operation for on-line replacement for the extrusion roll can be finished and the aim of the on-line replacement for the extrusion roll can be achieved. The invention provides the method for realizing the on-line replacement for the extrusion roll of the traction feeding machine under the state of maintaining the normal operation of the fiber spinning production device; and the on-line replacing method is suitable for the one-line replacement of the extrusion roll of the traction feeding machine for the fiber spinning device using belt clamping force conveying equipment.

The invention discloses a method for online treatment of water leakage of a cooling wall water supply branch pipe of a blast furnace hearth. The method comprises the following steps that when the cooling wall water supply branch pipe or valves of the blast furnace hearth leak water, the valve V-2 and the valve V-4 are closed firstly, then the valve V-1 and the valve V-5 are opened, the pressure of a water inlet pipe is controlled to be within 0-0.1 Mpa, and therefore a whole cooling system can conduct cooling from top to bottom; when detection data meet following requirements, maintaining and replacing begin to be conducted, wherein the specific requirements include that the water temperature in a furnace hearth water supply pipe is smaller than 45 DEG C, the temperature difference of water in the water inlet pipe and water in the furnace hearth water supply pipe is smaller than 2 DEG C, and the temperature of the side wall of the blast furnace heart is smaller than 200 DEG C; and when maintaining is completed, the valve V-1 and the valve V-5 are closed, the valve V-2 and the valve V-4 are opened, the valve V-3 is opened, and supplemental water is added into a cooling circulation system through a third water pump.

The invention discloses an upper-detachable breakdown structure of a three-eccentric butterfly valve, which comprises a four-way pipe type valve body, a valve cover, a valve rod, a butterfly plate and a seal ring, wherein the valve rod and the butterfly plate arranged in the middle of a rod body of the valve rod form a valve cavity cutout face through a column pin. The valve body for placing the lower end part of the valve rod is a lower part branch valve body having certain eccentricity with an upper part branch valve body , a valve rod end part arranged in the inner cavity of the lower part branch valve body is provided with a shaft sleeve which is in coaxial core with the valve rod, and accordingly, a structure for positioning the lower part of the valve rod which can enable the whole valve rod to drive the butterfly plate to horizontally move to one side of the valve cavity together during disassembly. The upper-detachable breakdown structure of the three-eccentric butterfly valve ensures that the butterfly plate on the valve rod can leave a flow channel sealing face of the inner cavity of the valve body along with the translation of the valve rod after the valve cover and the eccentric shaft sleeve arranged on a lower part valve rod are taken down, thus the whole valve rod is convenient to take out from the cavity in the middle part f the valve body, thereby realizing replacement of a butterfly plate sealing element without disassembling the whole valve body from a fluid pipeline, and obviously reducing cost on pipeline maintenance greatly.

The invention relates to an alkylation waste acid treatment apparatus and method, and belongs to the technical field of alkylation waste acid treatment. An acidic gas combustor (4) is arranged between a furnace production furnace (1) and an acidic gas input tube (2), a waste acid spray gun (5) is arranged between the furnace production furnace (1) and an alkylation waste acid input tube (3), and the waste acid spray gun (5) is connected with the furnace production furnace (1) through an automatic return sealing mechanism (9) used for preventing gas leakage; and the gas output end of the furnace production furnace (1) is provided with a waste heat boiler (6), and the waste heat boiler (6) is connected with a sulfur recovery unit through a pipeline. The alkylation waste acid treatment apparatus has the advantages of compact structure, complete cracking, less investment, low operating cost, environmental protection, energy saving, and realization of continuous and stable running of a whole sulfur production device through online replacement of the waste acid spray gun by the automatic return sealing mechanism.

The invention discloses an open-type high-flux big-caliber optical focusing and frequency conversion device, which relates to an optical focusing and frequency conversion device. In order to solve the problems of big difficulty of assembling and disassembling an optical element on line, complex structure and high cost in the traditional inertial confinement fusion device, the open-type high-flux big-caliber optical focusing and frequency conversion device comprises a frequency multiplication module assembly, an optical transmission pipeline, a lens module, a vacuum sealing sampling module and a three frequency multiplication parameter diagnostics pack, wherein the frequency multiplication module assembly, the optical transmission pipeline, the lens module and the vacuum sealing sampling module are successively and coaxially connected in an optical path; the lens module comprises a lens module shell, a target practice lens and a driving mechanism; the vacuum sealing sampling module comprises a vacuum sealing shell, a main optical path vacuum window, a diagnostics pack vacuum window, a round flange, a square flange and a shielding sheet; and the round flange and the vacuum flange of a vacuum target chamber are in butt joint. The open-type high-flux big-caliber optical focusing and frequency conversion device disclosed by the invention is suitable for the high-flux big-caliber optical focusing and frequency conversion.