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284 results about "Flap valve" patented technology

A flap valve is simple, one-way valve that allows the flow of gases or fluids in one direction while preventing flow in the opposite direction. The valve accomplishes this objective with a spring loaded or weighted flap placed across the opening of a pipe, tube, or duct.

Parasitic wasp ant killing device

The utility model relates to the technical field of biological treatment, and discloses a parasitic wasp killing device which comprises a semicircular protective cover with a downward opening and a bee-keeping cylinder arranged at the top of the protective cover, the top end of the bee-keeping cylinder is blocked through a feeder, a flap valve is arranged at the bottom end of the bee-keeping cylinder and used for controlling communication between the interior of the bee-keeping cylinder and the interior of the protective cover, and the protective cover is arranged on the top of the bee-keeping cylinder. A control device used for controlling the flap valve and a power source connected with the control device are further arranged on the top of the protective cover. According to the parasitic wasp eradication device, parasitic wasps are bred through the wasp-keeping cylinder, after the ant nest is covered with the protective cover, the parasitic wasps are released to parasitically eradicate ants, compared with a traditional trapping and killing agent, the parasitic wasp eradication device does not pollute the environment, and due to the fact that a natural biological prevention and control mode is utilized, damage of chemical agents to an ecological system is avoided. The parasitic wasps have the characteristics of self-reproduction and reutilization, and once the parasitic wasps complete the ant killing task, the parasitic wasps can be recycled into the bee-keeping cylinder, so that the sustainable utilization of the equipment is realized.
Owner:PLANT PROTECTION & INSPECTION STATION OF WENSHAN ZHUANG & MIAO AUTONOMOUS PREFECTURE +1

Check valve

The utility model provides a check valve which comprises a valve body, a valve cavity is formed in the valve body, and an inlet and an outlet which are communicated with the valve cavity are formed in the two ends of the valve body respectively. The first valve seat and the second valve seat are arranged on the inner side of the inlet and the inner side of the outlet respectively; the guide shaft is connected to the first valve seat and the second valve seat in a sliding manner; the valve clack is connected to the guide shaft; the elastic piece is arranged between the valve clack and the second valve seat, and the valve clack can block the inlet under the action of the elastic piece; the guide shaft is connected to the first valve seat and the second valve seat in a sliding mode, the layout structure of double supports at the two ends of the guide shaft is achieved, the overlong part of the guide shaft is prevented from being in a suspended state, the guide shaft is prevented from being abraded under the action of the bending moment of a cantilever, stable operation of the valve clack is guaranteed, and therefore the sealing reliability of the check valve is improved.
Owner:DAFENG OKAY FLUID MACHINERY +1

Vacuum directional solidification furnace

PendingCN120772509ACrucibleMetallic materials
The invention discloses a vacuum directional solidification furnace and relates to the field of alloy manufacturing, the vacuum directional solidification furnace comprises a smelting chamber, a casting cavity is formed in the inner side of the smelting chamber, a smelting crucible is rotatably mounted on the side end face of the casting cavity, and a lifting guide rail is welded to the end face of the side, adjacent to the smelting crucible, of the inner side of the smelting chamber; the lifting mechanism is installed on the inner side of the smelting chamber, the lifting mechanism can be prevented from influencing opening and closing of the flap valve by moving from top to bottom, the flap valve can be closed when the smelting crucible smelts metal materials, high-temperature tin steam in the cooling tin pot at the bottom cannot float into the smelting crucible, and the smelting efficiency is improved. And in addition, the internal vacuum state during smelting is beneficial to crystal formation, it is guaranteed that the formed high-strength alloy material cannot cause alloy cracks due to tin fusion, it is guaranteed that the alloy performance cannot be affected by tin while the alloy integrity is guaranteed, the alloy quality is improved, the yield is increased, and the influence of tin steam on top alloy melt is further reduced.
Owner:JIANGSU YUANSHI AVIATION TECHNOLOGY CO LTD

Devices and methods for creating or augmenting gastric flap valves

This document provides devices and methods for prosthetic flap valve system, comprising an elongation member having a first end and a second end, a first anchor member coupled to the first end of the elongation member and configured to couple the first end of the elongation member to the gastric wall of a subject, a second anchor member coupled to the second end of the elongation member and configured to couple the second end of the elongation member to a flap valve, wherein, the elongation member is configured to bias the flap valve to a closed position, and the closed position of the flap valve provides a separation between the esophagus and the stomach.
Owner:MAYO FOUNDATION FOR MEDICAL EDUCATION & RESEARCH

Switchable pneumatic flap valve

The utility model discloses a switchable pneumatic flap valve which comprises a base, a collecting cavity is formed in the base, a first pneumatic valve plate and a second pneumatic valve plate are arranged in the collecting cavity, the first pneumatic valve plate is located above the second pneumatic valve plate, and the second pneumatic valve plate is located above the first pneumatic valve plate. The first pneumatic valve plate and the second pneumatic valve plate each comprise an air cylinder, a swing rod and a flap valve, the flap valves are fixedly connected with the swing rods, the swing rods are rotationally connected with the base, one ends of the air cylinders are hinged to the base, the other ends of the air cylinders are hinged to the swing rods, a cavity is formed in the base, and cooling liquid is contained in the cavity. According to the switchable pneumatic flap valve, discharging of material flows such as large wood shavings can be stably controlled, meanwhile, cooling liquid in the cavity is used for cooling, and the risk of fire disasters is reduced.
Owner:WANHUA ECOLOGICAL NEW MATERIALS (CHENZHOU) CO LTD

Portable pressure-maintaining gravity sampler

Belonging to the field of marine resource exploration equipment, the invention relates to a portable pressure maintaining gravity sampler, which comprises an extraction hole, an empennage, a counterweight, a connecting piece, a control piece, a large spring, a control mechanism shell, a positioning block, a release pipe, a small spring, a spacer pin, a sliding pipe, a pressure maintaining pipe, a closed ring, a mandrel, a flap valve, a check valve ball, a sampling pipe, a one-way flap, a tool bit, a drain hole, a limiter and a pipe body. According to the design scheme, the sampler is provided, through the design of the control mechanism shell, the pressure maintaining pipe and the sampling pipe, a light-weight pressure maintaining structure is provided, and complex pressure compensation or a hydraulic system is not needed; in addition, a sealing and pressure maintaining device is optimized, the in-situ pressure of the seabed sediment can be stably maintained so as to guarantee the integrity of the sample, meanwhile, the operation process of the sampling process is simplified, the manufacturing cost and the fault risk are reduced, and the dual requirements of marine geological research, mineral resource exploration and other scenes for high-quality samples and efficient operation are met.
Owner:JILIN UNIVERSITY

Flush Valve Assembly

A flush valve assembly for a siphonic flush toilet, comprising a flush valve body and a flapper cover, wherein the flush valve body is coupled to an overflow tube or is coupled to an overflow tube coupling configured to receive an overflow tube, the flapper cover is configured to rotatably lift off the flush valve inlet at an open angle in a direction towards the overflow tube or the overflow tube coupling, and at least one of the flapper cover top face, the overflow tube, and the overflow tube coupling comprises a stop component configured to determine the flapper cover open angle during a flush cycle.
Owner:AS AMERICA INC

Vehicle seat assembly and subassemblies thereof

Seat assemblies and subassemblies thereof. The subassemblies include bladder assemblies, compression-resistant support structures, cushion assemblies, and / or heat transfer systems. The bladder assemblies may include integrated fluid conduits and / or flap valve assemblies disposed therein. The bladder assemblies may be disposed in the cushion assemblies. The cushion assemblies may be foamless such as comprising a polymeric non-woven filament mesh body. The mesh body may define one or more cavities to receive the bladder assembly. The heat transfer systems may cooperate with the bladder and / or cushion systems to heat or cool a trim surface.
Owner:LEAR CORP

Candle filter with efficient solid-liquid separation function

The invention relates to the technical field of candle filters, and discloses a candle filter with efficient solid-liquid separation, which comprises a filter body, a plurality of filter elements connected in the filter body, a slag discharge box connected to the bottom of the filter body, and a flap valve connected to the bottom surface of the slag discharge box. Two groups of bottom plates and air bags which are staggered up and down and obliquely crossed are arranged in the slag discharging box, the air bags can buffer the impact force generated when a filter cake layer falls, gaps between the bottom plates ensure that filter cakes smoothly slide down, the distance between the bottom plate on the lowest layer and the flap valve is short, the impact force on the flap valve when the filter cake layer slides down is reduced, and the service life of the filter cake layer is prolonged. Therefore, the risk that the flap valve is damaged due to high-position falling is reduced. The bottom plate and the air bag are designed in a hinged mode, so that the filter can be conveniently stored when needed, the bottom plate and the air bag can be stored in a hinged mode, and normal use of the filter body is prevented from being affected.
Owner:JIANGSU SHEKE TECH CO LTD

Dust hood

The invention provides a dust removal cover, and relates to the technical field of scrap steel cutting dust removal. According to the dust removal cover, first limiting switches at SQ2-SQ7 positions are sequentially matched with first collision rods, so that an automatic walking assembly can be sequentially and accurately stopped in three corresponding fixed-point cutting areas; meanwhile, when the suction hood stops at the position, a second collision rod can just enable a heavy hammer rod of the heavy hammer flap valve to move to the highest position so as to automatically open a valve plate, and then the suction hood is communicated with the public flue to be matched with an induced draft fan and a dust remover, so that flame cutting and efficient dust removal can be performed on a local area of a scrap steel stacking and cutting area; in addition, two first limiting switches at the positions of SQ1 and SQ8 can be matched with a first sinker bar to limit the extreme movement positions of the two sides of the suction cover, the triggering directions of the first limiting switches at the positions of SQ1, SQ2, SQ4 and SQ6 are opposite to the triggering directions of the first limiting switches at the positions of SQ3, SQ5, SQ7 and SQ8, and then the suction cover does reciprocating motion to return to the stop position again for steel slag discharging.
Owner:SHANDONG LAIGANG ENERGY SAVING ENVIRONMENTAL PROTECTION ENG

Organic waste separator for under a sink

A waste separator for attachment to a sink drain pipe is provided, the waste separator comprising: a transverse pipe, the transverse pipe including a proximal end, a distal end, a sidewall therebetween, a solid waste outlet at the distal end and a flange on the sidewall, the transverse pipe defining a transverse bore; a motor-driven, non-cutting auger which is housed in the transverse bore; a cylindrical filter around the motor-driven, non-cutting auger; a water collector below the cylindrical filter and terminating in a wastewater outlet; a sink wastewater inlet in a vicinity of the proximal end, the sink wastewater inlet normal to the transverse bore and in fluid communication with the transverse bore; a normally-closed flap valve, the normally-closed flap valve hingedly attached to transverse pipe proximate the distal end; a hinge actuator for the normally-closed flap valve; and a microprocessor, the microprocessor in electronic communication with the hinge actuator.
Owner:SEPURA HOME LTD

A hardware cutting and polishing machine

The present invention relates to the field of hardware processing technology, and in particular to a hardware cutting and polishing machine, the technical solution of which includes: a chassis, a cutting assembly fixedly installed on one side of the top of the chassis, a processing table fixedly installed on one side of the front end of the chassis, a discharge chute fixedly installed on the other side of the front end of the chassis via a first support frame, and a polishing assembly movably installed below the discharge chute; the polishing assembly includes a first polishing bin and a second polishing bin, the first polishing bin and the second polishing bin are matched in size, and the first polishing bin and the second polishing bin are connected and installed on opposite sides via a flap valve, the rotating assembly includes a stepper motor installed on the back of the chassis, a transmission shaft is installed on the stepper motor through a coupling, and a connecting frame is welded to the front end of the transmission shaft. The present invention can effectively solve the problem that hardware needs to be clamped and polished separately after cutting, and the problem that only a single hardware piece can be processed at a time, resulting in limited overall work efficiency.
Owner:ZHONGSHAN YONGXIANG HARDWARE CO LTD

Ventilation device for flap valve of pump drainage system

The utility model provides a ventilation device for a flap valve of a pump drainage system, and belongs to the technical field of water conservancy and hydropower engineering. The straight pipe type water outlet pipe is connected to a water outlet of the drainage pump; the flap valve is connected to the water outlet tail end of the straight pipe type water outlet pipe; the ventilation straight pipe is connected to the straight pipe type water outlet pipe; and the exhaust valve is connected to the top end of the ventilation straight pipe. According to the ventilation device for the flap valve of the pump drainage system, through combined use of the ventilation straight pipe and the quick exhaust valve, the air inlet and exhaust requirements of a pipeline behind the flap valve of the pump drainage system are met, meanwhile, the limitation of the setting elevation of a traditional ventilation straight pipe is broken through, the construction difficulty of a pump station is reduced, and the attractive design of the overall shape of the pump station is facilitated; in addition, due to the working characteristics of the quick exhaust valve, a large amount of water flow in the ventilation device is prevented from overflowing and splashing under any working condition, and the surrounding environment is prevented from being damaged.
Owner:CHANGJIANG SURVEY PLANNING DESIGN & RES CO LTD

Fruit tree planting field ridging and film covering device and method thereof

The invention belongs to the technical field of agricultural machinery, and particularly relates to a ridging and film covering device and method for a fruit tree planting field. Comprising a rack, and the rack is provided with a rotary tillage mechanism and a rotary tillage mechanism from front to back, the molding roller is rotationally connected to the rack, and the two ends of the molding roller are sleeved with conical caps; the film mulching mechanism comprises a film roll bracket fixed above the rack, a guide roller fixed below the bracket, two pressing wheels and two soil turning knives; the tearing sensing mechanism comprises a plurality of compression rollers inserted into the rack and a plurality of proximity switches fixed on the rack; the storage box is installed at the rear end of the rack, and a flap valve is installed at the bottom of the storage box. The mulching film tearing position can be sensed, marked and covered with soil, and the situation that the mulching film is blown up by strong wind is prevented.
Owner:费县农业技术推广中心

Eccentric butterfly valve

The utility model relates to the field of butterfly valves, in particular to an eccentric butterfly valve which comprises a valve body, a fixing plate is arranged on the upper portion of the valve body, a handle is rotatably installed on the upper portion of the fixing plate, the rotating end of the handle is connected with a butterfly valve shaft through a first connecting bolt matched with a second positioning pin, and the butterfly valve shaft is rotatably installed in the valve body. A mounting groove is formed in one side of the interior of the butterfly clack shaft, a valve clack is mounted in the mounting groove in a clamped mode, and the valve clack and the butterfly clack shaft are connected through a third positioning pin and a second connecting bolt. According to the butterfly valve, the mounting groove formed in the butterfly clack shaft can be connected with the valve clack in a matched and clamped mode, the connecting stability is guaranteed under the connecting action of the third positioning pin and the second connecting bolt, then the connecting stability of the butterfly clack shaft and the valve clack is guaranteed, the connecting integrity is high, looseness is not prone to occurring, and meanwhile the third sealing ring is arranged on the outer side of the valve clack so that the sealing performance can be guaranteed; and the service life and the on-off performance of the valve body are effectively improved.
Owner:YIQIAN FLUID TECHNOLOGY (JIANGSU) CO LTD

Hopper lifting mixer capable of distributing materials

The utility model relates to a hopper lifting mixer capable of distributing materials, which is characterized in that a proportional butterfly valve is arranged at a discharge hole of the mixer and is used for controlling the discharge speed of the mixer; the flip valve is arranged below the proportional butterfly valve, is connected with the mixing machine and is used for enabling materials in the mixing machine to smoothly flow out of the mixing machine and flow into the distributing hopper after the flow of the materials is adjusted by the proportional butterfly valve; and the weighing device is arranged at a position right below the discharge hole of the mixing machine, is connected with the material distribution hopper and is used for weighing the weight of the materials in the material distribution hopper. Through the arrangement, the proportional butterfly valve and the flip valve are respectively arranged on the mixing machine, so that the effects of controlling the material flow, preventing the material from leaking and smoothly flowing out of the mixing machine are achieved; the weight of materials in the material distributing hopper is weighed through the weighing device, the proportional butterfly valve and the flip valve are controlled to be closed according to the weight, and then the weight deviation in the material distributing process is accurately controlled.
Owner:ZHEJIANG CANAAN TECH

A device for high-temperature ash and slag removal and temporary storage of a metallurgical waste heat boiler

ActiveCN224470810UOvercome accumulation resistanceturn on securityThermodynamicsSlag
The utility model relates to metallurgical waste heat boiler technical field and disclose a kind of high-temperature ash slag removal and temporary storage device suitable for metallurgical waste heat boiler, it include: ash chute, the ash chute includes hopper body, several access doors and several spring supports, the access door is set in hopper body side wall;Floor ash bin, including ash bin body, steel flue interface and sealing door, the steel flue interface is set at the top of sealing door, the hopper body is connected with ash bin body by just flue interface, the sealing door is set in the side wall of ash bin body;Control assembly, it is jointly arranged in the inside of ash chute and floor ash bin.This scheme uses ash chute to collect high-temperature ash slag, enters floor ash bin by high-power electric hoist driving double flap valve control ash slag, realizes closed discharge, is linked and is controlled by flap valve and sealing door, effectively isolates high-temperature area before dust removal, guarantees operator and equipment safety, improves operating stability and environmental protection.
Owner:HANGZHOU NEW CENTURY ENERGY ENVIRONMENTAL PROTECTION ENG CO LTD

Cement kiln tail high-temperature low-dust SCR (Selective Catalytic Reduction) denitration equipment capable of realizing off-line ash removal

The utility model provides cement kiln tail high-temperature low-dust SCR (Selective Catalytic Reduction) denitration equipment capable of realizing off-line ash removal, which comprises a high-temperature bag dust collector, a denitration reactor, a flue, more than two compartments, a flap valve assembly and an ash removal assembly for carrying out ash removal treatment on a filter bag to be cleaned of the high-temperature bag dust collector, all the compartments are arranged at the top of the high-temperature bag dust collector, the denitration reactor is arranged beside the high-temperature bag dust collector, the flue is located between the compartments on the two sides, and the flue is communicated with an air inlet of the denitration reactor; the air inlets of the sub-chambers are communicated with the corresponding high-temperature bag dust collectors, and the flap valve assemblies are located at the air outlets of the sub-chambers and used for communicating or blocking the air outlets of the sub-chambers with the flue; the flap valve assemblies are closed, the air outlets of the sub-chambers are blocked from the flue, the sub-chambers are unloaded, and smoke does not circulate in the sub-chambers, so that off-line ash removal of the high-temperature bag dust collector is achieved, and the single-chamber ash removal effect is more thorough.
Owner:XIAN XIKUANG ENVIRONMENTAL PROTECTION

Batching device for producing ecological water-soluble fertilizer

The utility model relates to the field of batching devices, in particular to a batching device for producing an ecological water-soluble fertilizer. According to the technical scheme, a batching box is arranged between stand columns, a rotating turning plate is arranged at the upper end of the batching box, a funnel-shaped discharging pipe is arranged at the lower end of the batching box, a wedge-shaped head turning plate valve is arranged on the funnel-shaped discharging pipe, a fixed sliding rail is arranged at the rear end of the wedge-shaped head turning plate valve, and a movable sliding block is connected to the fixed sliding rail in a sliding mode; a connecting block is arranged at the upper end of the movable sliding block, a timer is arranged at the rear end of the connecting block, a push rod is arranged at the front end of the connecting block, and a rotating motor is arranged at the front end of the push rod. The push rod is arranged to stretch out and draw back, the wedge-shaped block is in wedge-shaped connection with the wedge-shaped head flap valve, the rotating motor is started to drive the rotating shaft and the wedge-shaped block to rotate, so that the wedge-shaped head flap valve is driven to rotate, ingredients in the ingredient box are discharged through the funnel-shaped discharging pipe, and the timer is used for timing; and quantitative control is realized.
Owner:MAANSHAN KEBANG ECO FERTILIZER

Exhaust flap valve

Flap valve (10) for an exhaust system of an internal combustion engine comprising - a tubular housing (12), - a flap sail (14), - a valve shaft (16) by means of which the valve leaf (14) can be pivoted between an open position and a closed position about a pivot axis (20) in the housing (12), and - a first stop segment (22) which extends over a partial circumference of the housing (12) and against which the flap leaf (14) rests in the closed position, wherein the flap leaf (14) has a first and a second leaf section (28, 30) on opposite sides of the flap shaft (16) and a receiving section (32) which overlaps the flap shaft (16), wherein the flap valve (10) further comprises a shaft cover (34) which engages over the flap shaft (16) on the side of the flap leaf (14) facing away from the receiving section (32) and is fastened to the flap leaf (14), characterized by that the receiving section (32) has a recess (38) in the axial direction relative to the first sail section (28), into which the first stop segment (22) extends, that a radially extending cutting line (44) is formed in the valve leaflet (14) between the receiving section (32) and the first leaflet section (28), and that an opening stop (46) is formed on the recess (38), which in the open position rests against the first stop segment (22).
Owner:SMK SYST METALL KUNST

Gate valve and vacuum pump mounting and switching device

The utility model discloses a gate valve and vacuum pump installation switching device which comprises a molecular pump and a gate valve, a switching plate is arranged between the molecular pump and the gate valve, a sealing ring with a filter screen is arranged between the molecular pump and the switching plate, and the molecular pump and the switching plate are connected in a locking mode. One side of the gate valve is provided with a central sealing ring and is connected with the cavity cover plate weldment in a locking manner, and the other side of the gate valve is provided with a central sealing ring and is connected with the adapter plate in a locking manner; the adapter plate is connected with the cavity cover plate weldment in a locking mode through a pump fixing pressing plate and a pressing plate bolt, and equal-height positioning columns are arranged between the pump fixing pressing plate and the cavity cover plate weldment. The mounting and switching device for the gate valve and the vacuum pump, provided by the utility model, not only has better sealing performance, can effectively solve the problem of connection between the molecular pump and the gate valve as well as between the molecular pump and the cavity, is suitable for stable operation in a frequent vacuum breaking state, but also is simple in structure and convenient to mount and overhaul.
Owner:浙江晟霖益嘉科技有限公司

Mixing device for safe production of vitamin C products

A mixing device for safety production of vitamin C products relates to the technical field of stirring devices and comprises a mixing tank, an inlet pipe communicated with an inner cavity of the mixing tank is rotatably arranged at the top of the mixing tank, a feeding cylinder is rotatably inserted into the upper end of the inlet pipe, and a flap valve is rotatably arranged in the feeding cylinder; the lower end of the inlet pipe is fixedly connected with a base plate, a supporting ring is coaxially arranged below the base plate, a plurality of material distributing rods are fixedly connected between the outer wall of the base plate and the upper surface of the supporting ring in a surrounding mode, a material falling channel is formed through the area between the adjacent material distributing rods, and the width of the material falling channel is gradually increased from the center to the outer side. According to the utility model, the problems in the prior art that in the mixing process of lutein ester and vitamin C, under the action of a stirring structure, powder is easy to raise and diffuse in the surrounding environment, so that the surrounding environment is influenced, and potential safety hazards are caused to operators in the working environment are solved.
Owner:SHANDONG TIANLI PHARMA

Multifunctional stoplog gate

The invention provides a multifunctional stoplog gate and belongs to the technical field of hydraulic engineering stoplog gates, the multifunctional stoplog gate comprises a basic gate section, a trash holding section, a gate flap valve section and a pump and gate integrated section, and the basic gate section is composed of a gate leaf structure frame, a panel, side wheels, a reverse sliding block, a lifting hook, a positioning insertion rod and a positioning sleeve. Through reasonable configuration of different combination modes of the basic gate section, the trash holding section, the gate flap valve section and the pump and gate integrated section, different working environments can be adapted, and the combination modes and the number of the sections can be flexibly adjusted according to specific requirements of different working environments; according to the multifunctional stoplog gate, rapid switching and integration of multiple functions such as trash holding, water retaining, pump station water discharging and pump and gate integration are achieved, so that the construction cost and the later-stage transformation and maintenance cost of water conservancy projects can be remarkably reduced, and the adaptability and flexibility of the projects to cope with complex hydrological conditions and functional requirement changes are improved; powerful support is provided for efficient, economical and stable operation of various water conservancy facilities.
Owner:HEBEI RES INST OF INVESTIGATION & DESIGN OF WATER CONSERVANCY & HYDROPOWER

Detachable drainer for water conveyance canal

The utility model discloses a detachable drainer for a water conveying channel. The detachable drainer comprises a fixed outer cylinder, a partition plate, a filter cylinder and a water conveying inner cylinder, the fixed outer cylinder penetrates through a lining plate at the bottom of the channel slope, the first end of the fixed outer cylinder is located in the water conveyance channel, and the second end is inserted into the channel slope; the partition plate is located in the fixed outer barrel to divide a barrel cavity of the fixed outer barrel into a filtering cavity and a water conveying barrel mounting cavity, and an assembly hole is formed in the center of the partition plate; the filter cartridge is slidably arranged in the assembly hole in a penetrating manner, one end of the filter cartridge is closed and arranged in the filter cavity, the other end of the filter cartridge is arranged in the water delivery cylinder mounting cavity and extends outwards in the radial direction to form an annular limiting plate, and a water through hole is formed in the filter cartridge; the first end of the water conveying inner barrel is detachably connected to the partition plate, the annular limiting plate is pressed on the partition plate through a pressing piece, and a non-return flap valve is detachably installed at the second end of the water conveying inner barrel. The detachable drainer for the water conveyance canal is easy to detach, and silt in the drainer can be cleaned or parts in the drainer can be replaced.
Owner:山东省调水工程运行维护中心莱州管理站 +1

Prefabricated integrated pump gate equipment and manufacturing method thereof

The invention relates to the technical field of pumps and gates, and discloses prefabricated integrated pump and gate equipment and a manufacturing method thereof.The prefabricated integrated pump and gate equipment comprises a concrete foundation body, a gate frame is pre-buried in the concrete foundation body to be poured together, a liftable gate plate is arranged in the gate frame, and lifting of the gate plate is driven by a hoist; a flashboard channel is formed in the flashboard, a water pump is installed on the water inlet side of the flashboard channel through a flange, a flow guide cover is installed at a water inlet of the water pump, and a flap valve is installed on the water outlet side of the flashboard channel. Flashboard rollers are mounted on two sides of the flashboard, and a gate seal is arranged on the flashboard. The gate embedded part and the gate frame are integrated together and formed at a time through concrete pouring, hoisting in place can be achieved at any time, the tedious embedded part in-place procedure on site is facilitated, and the construction period of a project is greatly shortened; the structure cost of civil engineering is saved, on-site debugging is convenient, the finished product delivery quality is high, the cost advantage is obvious, and application and popularization are convenient.
Owner:HEFEI KAIQUAN MOTOR ELECTRIC PUMP CO LTD

Pipeline light object processing device based on image recognition

The invention relates to a pipeline floating object processing device based on image recognition. The pipeline floating object processing device comprises an inlet short section, a bin body, a visual module, a glass sleeve, an annular seal, an annular air knife, a floating object processing mechanism, a reducing short section and an access door. The inlet nipple is connected with the near end of a suction inlet of a negative pressure pipeline of the winnowing equipment, a light source module is arranged in the bin body, the glass sleeve penetrates through the bin body and serves as a communicating pipe, and the annular air knife corresponds to the glass sleeve. The visual module is installed on the outer side of the bin body and arranged opposite to the glass sleeve so as to collect images of the light objects in the pipeline, and the light object processing mechanism is connected with the bin body through a reducing nipple. The floating object processing mechanism comprises a pneumatic flap valve, a sieve plate, a flap valve cylinder, an air knife and a collecting bin, the pneumatic flap valve is in transmission connection with the flap valve cylinder, the sieve plate is arranged on an airflow channel on one side of the pneumatic flap valve, the air knife is arranged corresponding to the inlet side of the sieve plate, the collecting bin is arranged below the sieve plate, and the access door is arranged on a bin body of the floating object processing mechanism.
Owner:BCEG RESOURCES RECYCLING CO LTD

Stepped dam capable of automatically discharging silt

The utility model discloses a stepped dam capable of automatically discharging silt, which relates to the technical field of water conservancy projects and comprises a dam main body, a dam main body and a dam main body, the weir bank is arranged in the energy dissipation pool, is arranged in an arc shape and is in stepped connection with the dam main body; the axis of the silt flushing pipe is parallel to the main flow direction of a river channel; the silt discharging pipe is arranged at the bottom of the energy dissipation pool, and a horn-shaped silt collecting opening is formed in the inlet end of the silt discharging pipe and is vertically communicated with the silt flushing pipe; a square flap valve is arranged at the inlet end of the silt flushing pipe, and the weight of the square flap valve is configured to be automatically opened when the water depth exceeds the top surface of the dam by 20 cm; according to the technical scheme, the weir bank which is arranged in the arc shape and connected with the dam body in the stepped mode is arranged in the energy dissipation pool, the hydraulic jump phenomenon can be generated in the energy dissipation pool, impact on a downstream riverbed is reduced, the silt discharging process can be completed without manual intervention, and the energy dissipation pool is particularly suitable for the unmanned management state in rural areas.
Owner:JIANGMEN KEYU WATER CONSERVANCY PLANNING & DESIGN CONSULTING CO LTD

Tidal bridge at junction of salt water and fresh water

The utility model provides a tide bridge at the junction of salt water and fresh water. The first stand column is connected with the base; the flap valves are installed between the two adjacent first stand columns, and the opening direction of the flap valves is the saline water direction. According to the utility model, the flap valve is arranged at the first upright post, so that the boundary of salt water and fresh water is realized, and on the other hand, under the action of internal and external water pressure, automatic tide blocking and flood drainage are realized, the gate is prevented from being frequently opened and closed, equipment does not need to be opened and closed, the operation management is simplified, the operation cost is reduced, and the safe and economic effects are achieved.
Owner:CHANGJIANG SURVEY PLANNING DESIGN & RES CO LTD

Device for adjusting and controlling quantity of materials entering mill and roller press

The utility model relates to the technical field of feeding or discharging devices, and discloses a device for adjusting and controlling the quantity of materials entering a mill and a roller press, which comprises a material box, the upper side of the material box is fixedly connected with a feeding pipeline, and the upper side of the feeding pipeline is fixedly connected with a feeding funnel. A first discharging pipeline and a second discharging pipeline are fixedly connected to the lower side of the material box, a triangular body is fixedly connected to the bottom wall of the material box and arranged between the first discharging pipeline and the second discharging pipeline, and flow control mechanisms are arranged on the first discharging pipeline and the second discharging pipeline correspondingly. The flow control mechanism comprises a rotary discharger, a motor assembly, a first inclined pipeline, a first fixing plate, a flap valve, two second fixing plates, a control switch and a second inclined pipeline, in this way, the discharge amount of coarse powder of the powder concentrator can be simply and accurately controlled, then a worker can conveniently adjust the amount of materials entering a mill, and the working efficiency is improved. And the practicability of the device is improved.
Owner:JINYU TAINI (DAI COUNTY) ENVIRONMENTAL PROTECTION TECH CO LTD

A flushable flap valve

The application discloses a flushing flap door, which comprises a door frame and a door body, a first locking piece is fixed to the door body, a driver is fixed to the door frame, a connecting rod can move linearly under the driving of the driver, a second locking piece is fixedly connected with the connecting rod and can move linearly under the driving of the connecting rod, the second locking piece has a pre-locking section and a locking section, the included angle between the pre-locking section and the locking section is greater than 180 DEG, the second locking piece is matched with the first locking piece, when the second locking piece is displaced from the pre-locking section to the locking section relative to the first locking piece, the door body can be closed, and when the second locking piece moves out of the locking section relative to the first locking piece in the same direction, the door body can be opened. The connecting rod moves linearly to drive the second locking piece to press the first locking piece, and the problem of poor sealing of the flushing flap door caused by the rotating movement mode under the same specification is avoided. The pre-locking section and the locking section of the second locking piece are matched with the first locking piece, so that the door body can be prevented from being locked out of position and the door body can be quickly opened.
Owner:WUHAN SHENGYU DRAINING SYST