370 results about "Orifice plate" patented technology

The invention provides an air source heat pump system. The air source heat pump system comprises a compressor, a fin heat exchanger, a shell tube heat exchanger and a gas-liquid separator, wherein the shell tube heat exchanger comprises a gas tube, a liquid tube, a heat exchange tube and a liquid separating device, the air source heat pump system further comprises a four-way valve, the four-way valve is correspondingly communication with the compressor, the gas-liquid separator, the fin heat exchanger and the gas pipe, the fin heat exchanger is in communication with the liquid separating device through a orifice plate and a first one-way valve; the fin heat exchanger is in communication with the liquid tube through an expansion valve and a second one-way valve; the first one-way valve is used for the one-way conduction of the fin heat exchanger to the liquid separating device; the second one-way valve is used for the one-way conduction of the liquid pipe to the fin heat exchanger. By the adoption of the system, a liquid storage device of the liquid refrigerant does not need to be added in the system, so that the cost is saved; a large amount of liquid refrigerant cannot flow back to the compressor after defrosting is finished; during the refrigeration mode, the refrigerant running shell pass does not need to be subjected to suction superheat, so that the air suction pressure and the operation efficiency of the refrigeration mode are improved; and the overall use valve of the system is less, and the reliability is high.

Variable Orifice Plate technology represents new physics for measuring fluids accurately over a dynamic range and obsoletes fixed orifice plates. Therefore, a new balancing procedure using an updated correction factor is needed to mitigate and calibrate for field systems effects. Architectures are provided that can leverage correction factor values (CFVs) that are determined from a third party device such as a TAB contractor in order to determine other CFVs for a fluid flow with a variable aperture. The fluid flow device can change state, which changes the area of the variable aperture and, accordingly, the fluid flow profile. Multiple CFVs can be determined from TAB measurements taken while the fluid flow device is in respective different states, while other CFVs for different states can be determined as a function of the known CFVs and associated states or other suitable data such as damper position, aperture area, or the like.

The utility model relates to the technical field of coke oven heating, in particular to a coke oven gas heating combustion chamber temperature control device, which is characterized in that a gas header pipe adjusting unit is arranged at the front end of a single-hole combustion chamber adjusting unit and is connected with a coke oven gas main pipe, and each single-hole combustion chamber adjusting unit is connected with the coke oven gas main pipe; the output end of each single-hole combustion chamber adjusting unit is connected with the corresponding combustion chamber. And the gas main pipe adjusting unit comprises an adjusting valve C, a flow meter and a pressure transmitter, and the adjusting valve C, the flow meter and the pressure transmitter are sequentially arranged on the coke oven gas main pipe. The utility model has the advantages that: the regulating valve and the bypass regulating valve can completely replace the function of a pore plate box, so that the risk that a worker works in a dangerous area such as a gas basement is reduced; the loop A of the first adjusting branch pipe and the loop B of the second adjusting branch pipe are standby for each other, when one loop breaks down, the loop can be switched to the standby loop at any time, and the flow stability of heating gas is improved.

The invention discloses a flue gas flow equalizing device for a turning flue of a compact boiler, and relates to the technical field of flue gas flow equalizing devices. The device comprises a flow guide plate arranged at an inlet of a turning flue and used for preliminary flow guide; the different-diameter flow equalizing pore plate is arranged at the downstream of the flow guide plate, and the flue gas flow speed is balanced through the differentiated design that small holes are formed in the high flow speed position and large holes are formed in the low flow speed position; and the rectifying grid is arranged at the downstream of the reducing flow equalizing pore plate so as to further optimize the uniformity of the flow field. Through a three-stage flow equalizing system formed by the guide plates, the different-diameter flow equalizing pore plates and the rectifying grids, the problem that the flue gas flow velocity at the turning flue of the compact boiler is not uniform is solved, and while the denitration efficiency is improved, the device has the advantages of being simple in structure, low in manufacturing cost, small in occupied space and the like.

The application discloses a kind of anti-overpressure self pressure relief type infusion pressurizing bag structure, more specifically relates to infusion pressurizing technical field, including pressurizing bag, one end of the pressurizing bag is communicated with exhaust cylinder, the inner wall of the exhaust cylinder is fixed with orifice plate;The inner wall of the orifice plate is provided with the aperture of the small hole, the medium hole and the large hole in order to increase;The side of the orifice plate is correspondingly contacted with small pad, medium pad and large pad for plugging small hole, medium hole and large hole respectively;The side of the small pad is equipped with ladder adjusting part.The application realizes three-stage ladder type dynamic pressure relief, greatly improves the adaptive adjustment ability of pressure relief area, and has the advantages that pressure relief response is more timely and efficient, thereby solving the problem that it is difficult to realize dynamic ladder adjustment of pressure relief area according to real-time pressure, greatly reducing the pressure relief adaptability of infusion pressurizing bag structure, and the problem that pressure relief response is relatively inefficient.

The utility model provides a flushing system for a storage tank, which comprises a drainage pipe and a connecting pipeline, and the connecting pipeline comprises a flow limiting orifice plate, a first pipe body, a second pipe body and an overflow pipe; the top end and the bottom end of the overflow pipe communicate with the bottom wall of the storage tank and the second pipe body correspondingly, the first pipe body and the second pipe body are assembled at the two ends of the flow limiting orifice plate, the flow limiting orifice plate is provided with an overflow hole in a penetrating mode, and the axes of the overflow hole, the first pipe body and the second pipe body coincide. The bottom end of the drainage pipe communicates with the first pipe body, and the top end of the drainage pipe penetrates through the bottom wall of the storage tank and then vertically extends to the position close to the top wall of the storage tank. The utility model is used for solving the problem that in the prior art, the installation and maintenance difficulty is large due to the fact that the structure is complex.

A non-contact deposition system includes a jetting assembly including at least one microvalve. The microvalve includes an orifice plate defining an orifice therethrough. An actuation beam is disposed in spaced relation to the orifice plate. The actuation beam includes a base portion and a cantilever portion extending from the base portion toward the orifice and movable between a closed position and an open position. A seal structure including a sealing member is disposed at an overlap of the cantilever portion. A fluid manifold is coupled to the microvalve and defines a fluid reservoir containing a pressurized fluid. When the actuation beam is in the closed position, the cantilever portion is positioned such that the seal structure seals the orifice to close the microvalve, and in the open position, fluid is dispensed from the orifice toward a substrate and deposited thereon.

The utility model discloses a closed full-automatic tin smoke blowing system of a top blowing furnace. The closed full-automatic tin smoke blowing system comprises a tin smoke receiving part, a top inlet of the tin smoke dust blowing part is connected with a bottom outlet of the tin smoke dust receiving part, and a bottom outlet of the tin smoke dust blowing part is connected with an inlet of the screw feeder; the pressure relief part is connected with the tin smoke dust receiving part and the tin smoke dust blowing part; the vulcanizing part is connected with the tin smoke dust receiving part and the tin smoke dust blowing part; the purging part is connected with the vulcanization part; the spray gun part can extend into the top blowing furnace, can move to a first position and a second position and is used as a triggering condition for starting blowing and automatically spraying tin smoke dust particles to the top blowing furnace, the spray gun part is connected with a blowing pipeline, and an outlet of the spiral feeder and the blowing part are both connected with the blowing pipeline; and the blowing part is provided with a constant-pressure pore plate for conveying constant quantity of compressed air to the blowing pipeline. The system can provide constant blowing air, and the blowing effect is guaranteed.

The present application discloses a kind of slurry pipeline energy dissipation orifice plate, including flange assembly, wear-resistant piece, shell and winding gasket;Flange assembly includes two pieces of flange arranged axially symmetric, flange adopts neck butt welding convex surface type, neck is fixedly sealed with slurry pipeline, and the outer periphery of two flanges is connected by fastening connector;Shell and wear-resistant piece are both hollow annular structure, and the section of both is L type, and the middle annular structure with cavity is formed after being combined, and is clamped in the middle by two flanges, and the diameter of the cavity of two flanges is greater than the diameter of the cavity of middle annular structure;Shell has different thickness, aperture and chamfer, and can realize the close assembly with wear-resistant piece;The inner angle of shell is round angle;Winding gasket is circular, and is arranged on the connecting surface of flange and shell, wear-resistant piece;Also disclose corresponding method and system, through energy dissipation main road and energy dissipation bypass, the flexible selection of commonly used energy dissipation system and standby energy dissipation system can be guaranteed;Reduce blockage, improve the wear resistance and service life of system;Meet the stable operation of energy dissipation station under different working conditions.

The utility model relates to a kind of injection valves, comprising: valve pipe fittings, it forms the valve passage that axially penetrates valve pipe fittings;Valve seat, it forms the valve seat passage that axially penetrates valve seat, valve seat sealingly engages to the one axial end of valve pipe fittings, so that valve seat passage is fluidly communicated with valve passage;Orifice plate, it includes at least one spray hole and the peripheral region around the at least one spray hole;And engagement pipe fittings, it is connected to orifice plate and detachably sealingly engaged to the one axial end of valve pipe fittings, so that the peripheral region of orifice plate contacts valve seat and the at least one spray hole is fluidly communicated with valve seat passage.In the injection valve provided in the utility model, engagement pipe fittings and orifice plate connected to engagement pipe fittings can be replaced with low maintenance cost and high efficiency.

The utility model provides corrosion-resistant high-flow orifice plate corrugated packing, and relates to the technical field of corrosion-resistant high-flow orifice plate corrugated packing, the corrosion-resistant high-flow orifice plate corrugated packing comprises a first limiting ring and a liquid outlet pipe, the top of the first limiting ring is provided with a corrosion-resistant buffer tank, and the top of the first limiting ring is provided with a filling connecting pipe arranged on the corrosion-resistant buffer tank; the top of the first limiting ring is provided with a preservative liquid nozzle, one side of the first limiting ring is provided with a guide plate, the bottom of the first limiting ring is provided with a second limiting ring, and the top of the first limiting ring is additionally provided with a preservative buffer tank, and a filling connecting pipe and the preservative liquid nozzle are arranged on the preservative buffer tank. In this way, when the corrosion-resistant high-flow orifice plate corrugated packing is used, corrosion prevention can be conducted on equipment through the corrosion-resistant buffer tank, the filling connecting pipe arranged on the corrosion-resistant buffer tank and the corrosion-resistant liquid spray head, and the corrosion-resistant liquid spray head can spray out corrosion-resistant liquid to well protect the equipment; therefore, the working efficiency of the equipment can be better protected.

The utility model provides a pore plate filling device, and belongs to the technical field of biological preparation production, the device comprises: a base on which a placing table is arranged for placing a pore plate parallel to the base, the placing table is movably arranged along the length direction of the base; the mounting table is arranged on the base, located at one end of the placing table, used for placing the liquid storage disc parallel to the base and movably arranged in the height direction of the base; the mounting plate is erected above the mounting table and parallel to the base, the mounting plate is movably arranged in the height direction of the base, and a stirring assembly used for stirring the mixed liquid in the liquid storage disc is arranged on the mounting plate; and the mounting frame is erected above the placement table and is movably arranged in the length direction of the base, and a pipetting assembly is arranged in the mounting frame and is used for sucking the mixed liquid in the liquid storage disc and filling the mixed liquid into the pore plate. The filling device has high automation degree, and can effectively solve the problem of poor filling uniformity.

The present disclosure relates to a backwashable water distributor. The backwashable water distributor comprises an outer sleeve, a central passage, a backwash passage and a movable orifice plate assembly. When the backwashable water distributor is used as a normal downhole water injection tool, the movable orifice plate assembly is in a closed state, and fluid flows out through the movable orifice plate assembly. When the downhole water injection tool needs to be backwashed, the movable orifice plate assembly is opened by the reverse fluid, and the dirt and large impurities inside the flow passage are washed out of the water distributor. After backwashing is completed, the movable orifice plate assembly returns to the initial position under the action of the spring and the liquid pressure, and the water distributor can be normally water injected and flow detected.

The utility model relates to the technical field of valves, in particular to a butterfly valve which comprises a valve body, a butterfly plate, a valve seat, a valve rod and an executing mechanism, the valve seat is arranged on the side, close to an outlet flow channel, of the butterfly plate, an overflowing assembly is further arranged on the side, corresponding to the valve seat, of the inner wall of the valve body, and the overflowing assembly comprises a first annular hole plate. At least one first overflowing hole for a medium to pass through is formed in the first annular pore plate, and the first overflowing hole is located in the end, close to the sealing matching position of the butterfly plate and the valve seat, of the first annular pore plate. The overflowing assembly is arranged on the side, close to the outlet flow channel, of the valve seat, and the flowing speed of the medium can be reduced through the overflowing assembly; the cavitation phenomenon of a medium is restrained, damage to a pipeline is reduced, and the service life of the butterfly valve is prolonged.

The invention relates to a production method of a collagen casing with high surface roughness, which comprises the following steps: a colloid raw material required by casing production is conveyed to a pore plate in a high-pressure conveying manner, the pH value of the colloid raw material is 2.0-3.0, a plurality of homogenizing pores for the colloid raw material to pass through are formed in the pore plate, and the colloid raw material is uniformly dispersed in the pore plate; the pressure difference of the colloid raw material passing through a pore plate is 10-80 bar, and after the colloid raw material subjected to homogenization treatment is extruded by an extruder, the colloid raw material is dried, flattened, humidified and shrunk, so that the required collagen casing with high surface roughness is obtained. According to the production method disclosed by the invention, the colloid raw material is homogenized by utilizing the pore plate, so that excessive decomposition and thicker colloid fiber bundles are avoided, the surface roughness of the sausage casing is improved, the retardation feeling of sausage products during plastic packaging is eliminated, and the packaging efficiency is improved.

The invention provides a building curtain wall detection device which comprises a workbench, a plurality of sliding rails are fixedly arranged in the middle of the workbench, the sliding rails on the upper side and the sliding rails on the lower side are symmetrically distributed with respect to the upper surface of the workbench, sliding frames are slidably arranged between the adjacent sliding rails, and sealing covers are fixedly arranged on the sides, close to the upper surface of the workbench, of the sliding frames. Air pumps are arranged on the sides, away from the upper surface of the workbench, of the sealing covers, air pipes are arranged on the air pumps, and electromagnetic valves are fixedly arranged at the ends of the air pipes. According to the building curtain wall detection device, the sealing cover is driven to be closed stably and synchronously through the diagonal bridging structure (the driving block, the connecting rod and the driven block), a reliable closed space is formed by the sealing cover and the curtain wall, and the air pressure difference required by testing can be accurately controlled and maintained through cooperative work of the air pump, the electromagnetic valve and the orifice plate flowmeter; and the leaked air flow is accurately measured, so that the airtight performance of the curtain wall is quantified, and the result is reliable.

The invention relates to a steam-water separator reheater flow distribution orifice plate test system, and relates to the technical field of steam-water separator reheater experiments, the steam-water separator reheater flow distribution orifice plate test system comprises a steam generator, a steam side outlet of the steam generator is connected with a surge tank, a liquid side outlet of the steam generator is connected with a centrifugal pump, an outlet of the surge tank is connected with a mixer, and an outlet of the centrifugal pump is connected with the mixer; a second regulating valve is arranged on the pipeline between the centrifugal pump and the steam generator; a first regulating valve is arranged on the pipeline between the surge tank and the mixer; an outlet of the mixer is connected with an inlet of the testing device, an outlet of the testing device is connected with the first adjusting valve, the other end of the first adjusting valve is connected with the second adjusting valve, and the other end of the second adjusting valve exhausts steam flow into air. The test system can accurately simulate the steam distribution performance condition of the flow distribution pore plate of the test device under the actual working condition; the test device flow distribution orifice plate is convenient to disassemble and assemble, and the test device flow distribution orifice plate needing to be tested can be replaced at will according to test requirements.

The application discloses a corrosion-proof hydrogen chloride differential pressure flowmeter and a mounting method thereof. The differential pressure flowmeter comprises a throttling assembly, the throttling assembly comprises a front straight pipe section, a rear straight pipe section and a throttling orifice plate, the straight pipe sections are provided with positive pressure taking devices and negative pressure taking devices, the pipe flanges of the front straight pipe section and the rear straight pipe section are connected through a stud bolt, and the stud bolt is threadedly connected with a nut one. The positive pressure taking devices and the negative pressure taking devices are both welded with pressure taking flanges, and the throttling orifice plate is arranged between the positive pressure taking devices and the negative pressure taking devices. The method comprises the following steps: a, mounting a clamping structure; b, mounting an adjusting frame; c, mounting the front straight pipe section and the rear straight pipe section on a mounting support; d, cleaning the front straight pipe section and the rear straight pipe section; e, adjusting the front straight pipe section and the rear straight pipe section to a horizontal position; f, mounting the throttling orifice plate; and f, welding the pressure taking flanges. The throttling orifice plate can be conveniently replaced, and the measurement accuracy of the differential pressure flowmeter is ensured.

The invention relates to the field of ventilation walls, and discloses a ventilation wall and a using method.The ventilation wall comprises a pore plate assembly and only one axial flow fan facing the pore plate assembly, the pore plate assembly comprises a fixed pore plate and a sliding pore plate, the fixed pore plate is provided with a plurality of first holes, the sliding pore plate is provided with a plurality of second holes, the second holes and the first holes are the same in size, the sliding orifice plate is arranged to move at least partially in the direction parallel to the fixed orifice plate so as to change the area of the aligned part of at least part of the first hole and the second hole, and therefore the actual through-flow area of the orifice plate assembly is adjusted. And the axial flow fan is arranged to adjust the air pressure of the upstream side of the pore plate assembly by adjusting the rotating speed of the axial flow fan. A single axial flow fan is adopted as a core wind source, uniform and continuous airflow supply is provided for a wind wall through stable power output, the airflow fluctuation problem caused by individual rotating speed difference of a traditional distributed small fan is avoided, the flow field quality and the flow field intensity are both considered, the mixing area is reduced, and a stable airflow foundation is laid for accurate wind control.

The utility model belongs to the integrated orifice flowmeter orifice production field especially, and one kind is lifted mechanism stabilizing device of anti -reversal orifice of integrated orifice flowmeter, and it includes the anti -reversal orifice for integrated orifice flowmeter, base and limiting mechanism, the base is fixedly connected with support, the support is rotatably connected with threaded rod, the threaded rod is threadedly connected with moving plate, the moving plate is combined with a plurality of limiting mechanisms, a plurality of limiting mechanisms are equipped with the same anti -reversal orifice, the support is equipped with control panel, a plurality of limiting mechanisms are connected with control panel, the limiting mechanism includes the supporting plate, the shaping rod, the spring, the hydraulic cylinder, the limiting plate and the clamping block. The utility model through the cooperation of each component can not only realize the effect that the anti -reversal orifice is lifted and moved, can reach the effect that the anti -reversal orifice is avoided to shake, and can realize the effect that the anti -reversal orifice of different specifications is limited conveniently.

The invention provides a fractal porous orifice plate flowmeter design method and a fractal porous orifice plate flowmeter, and belongs to the technical field of fractal orifice plate designing.The fractal porous orifice plate flowmeter design method comprises the steps that according to fractal strategy parameters and fractal strategies, basic fractal elements are designed; fractal pore plate units are obtained through fractal design according to the fractal strategy parameters and the basic fractal elements; the fractal pore plate unit is integrally shrunk, and the designed fractal porous pore plate flowmeter is obtained. The fractal theory is introduced, the design method of the fractal porous orifice plate flowmeter is established, the limitation of conventional porous layout is broken through, the fractal porous orifice plate flowmeter with strict self-similar characteristics is designed, and the fractal orifice plate has the advantages in the aspects of pressure loss and pressure recovery compared with a traditional orifice plate; the excellent metering characteristic is benefited from local fusion and local joint development of small-scale jet flow, a local fusion area induces a pressure negative peak value, a local joint area enables the pressure negative peak value to recover rapidly, and the recovery speed is also remarkably higher than that of a traditional configuration.

The invention relates to the technical field of turbine cooling, and provides a turbine rotor outer ring impact-gas film efficient composite cooling structure which comprises an impact hole plate (1) arranged close to the cold air side and provided with a plurality of impact holes (6), and the impact holes (6) are distributed in multiple rows and are arranged in an array staggered mode; the gas film hole plate (3) is arranged close to the gas side, a plurality of gas film holes (7) are formed in the plate, and the gas film holes (7) are formed in the bottom surface of the outer ring block; and the turbulent flow column (2) is arranged in a cooling channel formed between the impact pore plate (1) and the air film pore plate (3). According to the method, a real structure is amplified according to a proportion to manufacture an experiment piece, measurement and analysis are facilitated, meanwhile, geometrical characteristics of all key cooling structures are completely reserved, and a reliable basis is provided for efficient cooling design of turbine parts.

The application discloses a throttling structure and an air conditioning unit. The throttling structure comprises a main cavity and at least one auxiliary throttling cavity independently arranged in the main cavity. The outlet of the main cavity is connected with a main throttling orifice plate. The auxiliary throttling cavity is provided with a liquid inlet communicating with the main cavity. The liquid outlet of the auxiliary throttling cavity is connected with an auxiliary throttling orifice plate. The flow area of the liquid inlet is greater than the flow area of the auxiliary throttling orifice plate. The auxiliary throttling cavity is used in at least one operating condition. The liquid level height of the main cavity in the operating condition is higher than the liquid inlet of the corresponding auxiliary throttling cavity. The flow area of the auxiliary throttling orifice plate used in each operating condition is the set flow area of the operating condition minus the flow area of the main throttling orifice plate. According to the application, different combinations of throttling orifice plates are automatically switched according to the liquid level height of the main cavity, the throttling requirements of different operating conditions of the unit are matched, the unit continuously operates at the optimal performance, and the operating efficiency of the unit is improved.

This utility model discloses an oil-gas separator and a diesel engine, relating to the field of oil-gas separation technology. It includes a housing, a first orifice plate, and a second orifice plate. The housing is provided with an inlet pipe and an outlet pipe. The first and second orifice plates are sequentially arranged in the gas flow path within the housing. The holes in the first and second orifice plates are staggered. The bottom of the inner cavity of the housing is connected to the oil outlet pipe. In this utility model, after the oil-gas mixture enters the housing, larger oil droplets impact the first orifice plate due to inertia and are intercepted by it. Furthermore, the staggered arrangement of the holes in the second and first orifice plates causes the airflow to form a staggered vortex, generating a more complex trajectory. Combined with the interception effect of the non-perforated positions of the second orifice plate, the oil-gas mixture is further separated, improving the oil-gas separation efficiency. Simultaneously, the overall structure is simple, the manufacturing cost is low, and it helps reduce subsequent maintenance costs and difficulties.

The invention provides a metal flow limiter with a pore plate structure and a rapid design method thereof, and the method comprises the steps: carrying out the flow-pressure difference test of a metal flow limiter without a superposed pore plate, fitting the test data into a flow velocity-original pressure difference relation curve, building a metal flow limiter fluid simulation model, and carrying out the finite element mesh division. The method comprises the following steps: setting fluid medium parameters, defining porous medium attributes, carrying out analogue simulation, repeating the previous steps on a metal flow limiter of a superposed pore plate, obtaining a corresponding data relationship between the pore diameter of the pore plate and the total pressure difference under fixed flow, defining an insufficient development factor theta to obtain a relational expression between the pore diameter and the insufficient development factor, and finally obtaining a relational expression including the flow, the total pressure difference and the pore diameter of the pore plate. The problems that in the prior art, a calculation model fails, design efficiency is low, and adaptability is poor are solved, the pore plate and the sintered filter element are combined to adapt to a wide flow range, the method is suitable for high-purity and high-pressure fluid flow limiting scenes, and remarkable economic and technical benefits are achieved.

This invention provides a regulating device for a butterfly valve orifice plate for mixed gas in a coke oven basement, comprising a valve body, a continuous regulating mechanism for the butterfly valve, and a fixed throttling mechanism for the orifice plate. The inner cavity of the valve body serves as a gas flow channel, and the continuous regulating mechanism for the butterfly valve is installed within the channel perpendicular to the gas delivery direction. The continuous regulating mechanism for the butterfly valve is a structure that continuously and steplessly adjusts the opening and closing of the butterfly plate through a pneumatic actuator to achieve different gas flow rates. The fixed throttling mechanism for the orifice plate is an integrated throttling structure arranged within the channel along the gas delivery direction, and is sealed by a self-tightening lever clamping mechanism. The invention also provides a method for controlling gas flow using this device, which solves the problems of coarse regulation, the need to replace the orifice plate, and operational hazards associated with traditional orifice plate valves. It achieves continuous and precise regulation of gas flow without the need to replace the orifice plate, significantly improving the coke oven heating control level and system safety. It is particularly suitable for coke oven basement gas pipeline systems where space is limited and safety requirements are extremely high.

The utility model belongs to the technical field of fluid control, and particularly relates to a flow-limiting orifice plate uniform load distribution structure device which comprises a pipe body, two flow-limiting orifice plates, an adjusting assembly, an arc-shaped clamping plate, a clamping limiting assembly and four arc-shaped clamping strips. An arc-shaped opening I is formed in the pipe body, the two flow-limiting pore plates are clamped and mounted on the inner side wall of the pipe body and are symmetrically arranged, a plurality of through holes I are formed in the flow-limiting pore plates, and the arc-shaped clamping plate is movably and hermetically clamped and mounted in the arc-shaped opening I and is fixedly connected with the two flow-limiting pore plates; the adjusting assembly is arranged on the sides, close to each other, of the two flow limiting hole plates and matched with the arc-shaped clamping plate. The flow regulating valve is reasonable in design, effectively solves the problems of fluid turbulence and blocking in the flow regulating process, improves the stability of fluid flowing and the accuracy of flow regulation, and is convenient to quickly disassemble and assemble, thereby facilitating the operations such as maintenance and replacement.

The utility model discloses a self -discharging type enters jar hanging cage relates brewing auxiliary tool technical field, including the hoisting assembly with upper annular ring, hanging cage chain, lower annular ring, fixed link, the inside of lower annular ring is provided with the inside turnover ring, the bottom end symmetry of inside turnover ring is fixed with two ferrules, the ferrule rotation sleeve joint is in the outside of lower annular ring, the top of inside turnover ring is fixed with the round orifice plate, the area that the round orifice plate, a plurality of hanging cage chains, upper annular ring form is used for providing the hoisting and placing space for the wine lees, the side away from fixed link of lower annular ring is provided with locking assembly, and the locking assembly is used for realizing the locking and unlocking operation of inside turnover ring horizontal state. The utility model discloses through setting up jar hanging cage can realize the quick hoisting operation of wine lees, avoids the manual shovel, and great saving of labor, and through locking assembly can realize the quick opening of inside turnover ring, and brewing waste residue is easily unloaded, and great improvement work efficiency.

The utility model relates to a nuclear power plant pore plate clamping ring fixing device, which can ensure that a clamping ring is accurately positioned and fixed at a preset position through the matched use of a sliding channel on a seat body, a clamping block and a clamping fixing piece, the clamping ring deviation phenomenon caused by improper manual adjustment or hammering in the prior art is avoided. Therefore, not only is the measurement accuracy of the orifice plate flowmeter improved, but also the overall stability of the system is enhanced. And secondly, compared with a traditional installation mode, the supporting device and the lifting device are introduced, so that the whole installation process is simpler, more convenient and faster. An operator can complete the installation work of the clamping ring through the steps of simple placement, adjustment, locking and the like, the labor intensity is greatly reduced, and meanwhile the requirement for professional skills is reduced.