664 results about "Water wheel" patented technology

The present invention discloses an LWP angle flow measurement and control valve with anti-residue on the inner wall, which belongs to the technical field of flow measurement and control valves, and comprises a flow actuator, wherein the lower surface of the flow actuator is connected to a flow controller, and the right side surface of the flow controller is connected to a water inlet pipe, and the lower side surface of the flow controller is connected to a water outlet pipe; a rotating shaft is arranged inside the water outlet pipe, and a second cleaning component is arranged inside the water outlet pipe, and the second cleaning component comprises a cleaning plate arranged inside the water outlet pipe, and the cleaning plate reciprocates inside the water outlet pipe when working. For the LWP angle flow measurement and control valve with anti-residue on the inner wall, when the water inlet pipe is working, the water wheel will drive the connecting shaft to rotate, and when the connecting shaft rotates, it will drive the brush plate to clean the inner wall of the water inlet pipe, and at the same time, the cleaning plate will make reciprocating linear motion on the inner wall of the water inlet pipe, and at this time, the cleaning plate can also clean the inner wall of the water inlet pipe, thereby optimizing the anti-residue effect and preventing scale nodules.

An embodiment of a system includes a pipeline of a wastewater system, an equalization tank that is configured to receive wastewater from the pipeline, and a return line extending from the equalization tank to the pipeline. In addition, the system includes an electricity generation assembly in fluid communication with the return line that is configured to generate electrical power using a flow of wastewater through the return line. The electricity generation assembly includes a flow channel, a water wheel that is partially inserted into the flow channel such that a portion of the water wheel is extended outside of the flow channel, and an electrical generator connected to the water wheel.

The invention discloses an anti-blocking angular regulating valve of a horizontal runner, and belongs to the technical field of angular regulating valves, the anti-blocking angular regulating valve comprises a valve body and a filter plate arranged in the valve body and used for filtering and screening, a positioning frame is positioned and mounted in the valve body, and a first rotating shaft is rotatably mounted in the positioning frame; a water wheel is arranged at the left end of the first rotating shaft, an eccentric wheel is connected and mounted at the right end of the first rotating shaft, a collision block is mounted on the outer side face of the eccentric wheel, an arc-shaped block is correspondingly arranged above the collision block, and the arc-shaped block is mounted below the mounting plate. According to the anti-blocking angular regulating valve of the horizontal flow channel, the filter plate is arranged, the metal filter plate is installed in the inner cavity of the valve body, fluid impurities in conveyed sewage can be filtered and screened through the filter plate, and then the filtered and screened fluid impurities can be discharged out of the outer side of the bottom of the valve body through the discharging pipe; the sewage impurities can be taken and treated.

The steel wire rope rigging forming mold comprises a supporting frame, a lower mold base is movably installed in an inner cavity of the supporting frame, an upper mold base is slidably installed on the top of the lower mold base, and a mold body is fixedly installed in an inner cavity of the upper mold base; the knocking mechanism is used for cleaning bubbles generated when the steel wire rope rigging raw materials are poured; the knocking mechanism comprises a water inlet groove, the water inlet groove is formed in the top of the upper die base, and a water wheel blade is rotationally installed in an inner cavity of the water inlet groove. Raw materials are injected into an inner cavity of a mold through a discharging groove, meanwhile, cooling water is injected into an inner cavity of a water inlet groove, cooling of the raw materials is accelerated, when the cooling water is added, the cooling water impacts water wheel blades to enable the water wheel blades to rotate, the water wheel blades drive a connecting rod to rotate, the connecting rod drives a second rotating rod to rotate, and when the connecting rod is separated from a second rotating shaft, pulling of a spring is matched; and the second rotating rod drives the knocking hammer to knock on the knocking plate, the knocking plate vibrates and transmits vibration to the upper die base and the die, and bubbles in the raw materials in the inner cavity of the die are discharged.

The utility model discloses vertical shaft hydroelectric power generation equipment which comprises a power generation module and a power output module, the power generation module comprises a floating platform, a power generator and a power input shaft, the power input shaft is vertically arranged and arranged on the floating platform in a swinging mode, the power generator is arranged on the floating platform, and a motor shaft of the power generator is in transmission connection with the power input shaft; the driving module comprises a water wheel assembly, the water wheel assembly comprises a plurality of blades, the blades are distributed around the rotating axis of the water wheel assembly, and the water wheel assembly is connected with the power input shaft; the counterweight assembly comprises a connecting rod, a rotating seat, a first anchor chain and a first counterweight part, the lower end part of the connecting rod is rotatably arranged on the rotating seat, and the first anchor chain is connected between the rotating seat and the first counterweight part; the upper end of the connecting rod is connected to the bottom of the water wheel assembly. The power generation efficiency of the hydroelectric power generation equipment is improved.

The utility model discloses a water wheel driving module and hydroelectric power generation equipment, the water wheel driving module comprises two mounting discs and a plurality of blades, and the two mounting discs are arranged up and down; each blade comprises a mounting frame and a plurality of baffles, a plurality of through holes are formed in the mounting frame, and the baffles are hinged to the mounting frame and arranged at the corresponding through holes; the baffle is configured to be located on the incident flow face of the blade to close the through opening, and the blade is further configured to be located on the back flow face of the blade to open the through opening. The multiple blades are distributed around the axis of the installation discs, and the installation frame is vertically arranged and fixedly arranged between the two installation discs. The use reliability and the power generation efficiency are improved, and the manufacturing cost is reduced.

The invention relates to the technical field of tapping machines, and discloses a tapping machine for bolt machining, which comprises a tapping machine main body, a flow guide groove is connected to a working table of the tapping machine main body, a collecting box is arranged on the lower side of the lowest end of the flow guide groove, a fixed box is fixedly mounted on the top surface of the collecting box, a slow flow plate is fixedly connected to the upper part in the fixed box, and a leak hole is formed in the middle of the slow flow plate; an intercepting plate fixedly connected with the flow slowing plate is arranged on one side of the leakage hole, a precipitation pipe is fixedly connected to the bottom of the leakage hole, a sewage disposal mechanism is arranged on the lower side of the precipitation pipe, a waterwheel rotationally connected with the fixed box is arranged on one side of the lowest end of the flow slowing plate, and a transmission part is jointly connected between the waterwheel and the sewage disposal mechanism. When cooling liquid and scrap iron flow on a slow flow plate, layering is achieved through the gravity difference between the cooling liquid and the scrap iron, the scrap iron flows into a precipitation pipe under interception of an interception plate, the scrap iron can be precipitated and accumulated in a transfer groove, and under intermittent rotation of a transfer part, the scrap iron in the transfer groove is moved into a collecting barrel, so that the scrap iron is collected. And continuous and effective separation of the scrap iron and the cooling liquid is completed.

The utility model discloses a floating type self-water-diversion backwashing filter, and belongs to the technical field of farm irrigation equipment. The device comprises a floating frame and a filter cartridge, the rotatable filter cartridge is mounted on the floating frame through a central shaft, and a water wheel, a water diversion delivery pump and a filter cartridge flushing pump are arranged in the cartridge. The water diversion delivery pump directly supplies water to the main water pipe, and external water diversion equipment is omitted; the filter cartridge flushing pump drives the spraying pipe to flush the filter cartridge, and the flushing pipe impacts the water wheel to drive the filter cartridge to rotate, so that dynamic backwashing is realized. The device has the advantages of self-water-diversion integration, waterpower-driven maintenance-free, continuous dynamic backwashing, modularization, easy maintenance and the like, and is suitable for an open type water source irrigation system.

The utility model belongs to the field of electroslag casting, and is specifically an electroslag casting device for three-dimensional variable curved surface complex shape castings such as turbine generator blades. The device includes: a guide electrode, a flexible electrode, a casting bottom pad, a slag layer, a casting bottom pad and a crystallizer insulation layer, and a crystallizer. The specific structure is as follows: a guide electrode is provided in the crystallizer cavity of the crystallizer, and the upper end of the guide channel in the guide electrode is the flexible electrode inlet. The flexible electrode is arranged in the guide channel in the guide electrode through the flexible electrode inlet. A casting bottom pad is provided at the bottom opening of the crystallizer cavity. The lower part of the guide electrode and the flexible electrode corresponds to the casting bottom pad. The casting bottom pad and the lower end of the guide electrode and the flexible electrode are between the casting bottom pad and the lower end of the guide electrode and the flexible electrode. The utility model solves the problem of complex shape castings, and is particularly applicable to the manufacture of three-dimensional variable curved surface complex shape castings such as turbine generator blades by electroslag casting, and broadens the application scope of electroslag casting technology.

The utility model provides a waterwheel type feeding mechanism which comprises a first installation bottom frame, an annular conveying belt, multiple sets of standing clamps, a second installation bottom frame, a Y-axis driving assembly and a movable carrying table, the annular conveying belt is rotatably installed on the first installation bottom frame, and the multiple sets of standing clamps are evenly fixed to the periphery of the annular conveying belt. The standing clamp comprises a clamp base, a first limiting plate and a second limiting plate which are integrally arranged, the second mounting bottom frame is fixedly arranged on the front side of the annular conveying belt, the Y-axis driving assembly is fixed to the second mounting bottom frame and is in driving connection with the movable carrying table, and the bottom of the movable carrying table is in sliding connection with the top of the second mounting bottom frame; the battery conveying device has the advantages that batteries are slowly conveyed, so that the batteries have enough standing time, secondary packaging equipment can be directly connected with primary packaging equipment, the automation degree of production is improved, and the production efficiency is improved.

The utility model discloses a novel impulse turbine brake device which is characterized in that the center of a power generation rotating wheel disc is connected with a main shaft of a generator, a plurality of power generation water buckets are arranged around the power generation rotating wheel disc, an annular water distribution pipe is arranged on the outer sides of the power generation water buckets in the circumferential direction, and a plurality of power generation water spraying devices are arranged on the inner side of the annular water distribution pipe; a plurality of brake water buckets are arranged on the brake rotating wheel disc in a surrounding mode, a water pipe is arranged on one side of the end of the annular water distribution pipe, and a brake spray pipe is arranged at the tail end of the water pipe. When the power generation water turbine works, the braking water turbine shrinks in the concave cavity of the power generation rotating wheel disc, and power generation is not affected; when the power generation water wheel stops or breaks down, the brake shaft is controlled by the hydraulic operating mechanism to extend and drive the brake water turbine to enter a brake station, and the hydraulic needle valve on the brake spray pipe is opened, so that the impulse water turbine is quickly braked. The device effectively improves the braking efficiency and the operation stability of the impulse turbine, and is worthy of being vigorously popularized in future impulse power stations.

The utility model relates to a handheld spray gun for high-pressure cleaning. Comprising a gun body and a gun head, a control valve assembly is arranged in an inner cavity of the gun body and the gun head, a water inlet channel is formed in the center of the holding handle, a hinged protruding block is integrally formed on the upper portion of the holding handle, and the trigger is connected to the hinged protruding block in a pivoted mode. A water outlet branch pipe and a water wheel driving assembly are installed on the holding handle, and a brush structure is installed at the outer end of the water wheel driving assembly. The water wheel driving assembly comprises a pipe shell structure, a second driving rotating shaft is rotationally connected into the pipe shell structure, and a driving water wheel is installed at the inner end of the second driving rotating shaft; the device further comprises an installation protection box, a buffer water tank is installed in the installation protection box, a hollow rotating shaft and a first driving rotating shaft are rotationally connected in the installation protection box, the inner end of the hollow rotating shaft is communicated with the buffer water tank, and the outer end of the hollow rotating shaft is connected with the brush structure. And the transmission gear pair is arranged between the hollow rotating shaft and the first driving rotating shaft. According to the handheld spray gun, the functions of the handheld spray gun are enriched, the operation process is simple, a worker does not need to frequently put down the spray gun to take up the brush for washing and brushing work, and the labor intensity of the worker is reduced.

The invention relates to the technical field of pickling wastewater neutralization treatment, in particular to a galvanized sheet production line pickling wastewater neutralization treatment device and method, the galvanized sheet production line pickling wastewater neutralization treatment device comprises a base, a neutralization barrel is fixedly mounted on the upper side of the base, a support is fixedly mounted on the upper side of the neutralization barrel, and a material guide assembly is fixedly mounted on the upper side of the support; acid waste liquid is injected into a primary filter pipe through a pressure pump, the primary filter pipe filters the acid liquid, the filtered acid liquid passes through a water wheel and drives the water wheel to rotate, the water wheel rotates to drive a transmission rod to rotate, the transmission rod drives a driving lead screw to rotate, the driving lead screw drives a driving pipe to move, and the driving pipe drives a liquid suction piston to move. The liquid suction piston is gradually far away from the neutralizing liquid pipe, at the moment, external alkaline neutralizing liquid is sucked into the neutralizing liquid pipe according to a certain proportion through the second-stage one-way valve, automatic quantitative proportioning of the alkaline neutralizing liquid is completed, manual proportioning is avoided, and the treatment efficiency of the device is improved.

To provide a float-type hydraulic power generation device that can be easily transported to and installed at a desired location suitable for small hydraulic power generation, can be operated without interruption by dusts flowing in a water passage, and does not require external motive force.SOLUTION: A float-type hydraulic power generation device includes: a hydraulic turbine-type dust removal unit 2 which removes dust from water flowing in an open-channel water passage 6 such as a middle or small river and an agricultural water channel; a hydraulic power generation unit 3; and a float 4. The hydraulic turbine-type dust removal unit 2 and the hydraulic power generation unit 3 are integrally assembled into a unit assembly 5, with the former on an upstream side of the water passage 6 and the latter on a downstream side of the water passage 6. A duct 24, inside of which a hydraulic turbine of the hydraulic power generation unit 3 is disposed, is coupled and connected to a flow outlet which is provided in the hydraulic turbine-type dust removal unit 2 and through which clean water from which dust has been removed flows. The clean water flows through the flow outlet into the duct 24 to rotate the hydraulic turbine. The float 4 is coupled to the unit assembly 5 to hold the float in the flow passage 6 in a floating manner.SELECTED DRAWING: Figure 1

The utility model belongs to the technical field of installation and maintenance of water-wheel power generation equipment, and particularly relates to a practical training device for installation and maintenance of water-wheel power generation equipment, which comprises a support frame for firmly fixing the device in a practical training room, a central sample plate arranged at the bottom of the frame and providing a central reference for the device, and a simulation foundation buried plate arranged at the top of the frame. An XY azimuth line is arranged on the platform which is used as an adjusting platform of the device, a simulation foundation mother board, an XY azimuth datum line hanging support, an elevation adjusting wedge plate, a simulation foundation bolt, a simulation foundation plate, an XY azimuth adjusting line hanging support and the like are arranged, and the simulation foundation mother board is consistent with the installation adjusting method and the installation adjusting process of the water wheel power generation equipment. Training of adjusting skills of the water wheel power generation equipment can be achieved, and the requirements of power generation enterprises for skill training, skill testing and skill identification are met.

The invention belongs to the technical field of water supply and drainage devices, and discloses an energy-saving building water supply and drainage device with rainwater collection and utilization, one end of a treatment box is connected with a rainwater collection pipe and a kitchen wastewater collection pipe, the other end of the treatment box is connected with a drainage pipe, and a water collection tank is fixed on the inner wall of one end of the treatment box; a water outlet pipe is arranged at the lower end of the water collecting tank, and a water wheel is rotationally connected below the water outlet pipe; a central shaft of the water wheel is rotationally connected with the treatment box; a guide plate is arranged below the water wheel, a water outlet cavity is arranged between the guide plate and the inner bottom surface of the treatment box, and the drainage pipe is communicated with the water outlet cavity; a first filter screen is arranged at the other end of the flow guide plate, a brush is installed on the center shaft, and brush avoiding openings are formed in the portions, on the two sides of the brush, of the water flow partition plate; filter screen frames are placed in the areas on the two sides, and impurity inlets corresponding to the brush avoiding openings are formed in one sides of the filter screen frames. Impurities cleaned by the device are convenient to clean.

The utility model discloses a sluice energy dissipation and scour prevention structure, which belongs to the technical field of hydraulic engineering facilities, and comprises a sluice dam foundation and a concrete sluice dam built on the sluice dam foundation, a concrete apron is poured on the downstream side of the concrete sluice dam, an energy dissipation device is arranged above the concrete apron, and a plurality of groups of buffer waterwheels are arranged on the downstream side of the energy dissipation device. The buffer waterwheel comprises a rotating shaft rotationally arranged on the concrete apron and a plurality of rotating fan blades fixedly connected to the rotating shaft, the rotating fan blades are evenly arranged in the circumferential direction of the rotating shaft, two anti-scour walls are poured below the tail end, in the water flow direction, of the concrete apron, and the lower ends of the anti-scour walls are located in the gate dam foundation. A concrete apron is poured on the downstream side of the concrete apron, the concrete apron is composed of a plurality of rectangular frame bodies, and the rectangular frame bodies are filled with concrete tetrahedrons. The flood discharge gate has the effects of improving the structural strength of the flood discharge gate, improving the construction rapidness and improving the efficiency of the flood discharge gate.

The utility model belongs to the technical field of hydraulic engineering, and particularly relates to a drainage mechanism for hydraulic engineering, which comprises a dam body and a separation net main body arranged in the dam body, an internal thread bushing is rotatably connected in the dam body, a screw rod is in threaded connection in the internal thread bushing, and the separation net main body is arranged in the dam body. A sealing ball is fixedly connected to the end, away from the inner threaded sleeve, of the screw rod, a water flowing groove is formed in the dam body, a water wheel is installed in the dam body, a first synchronous wheel is fixedly connected to the surface of the water wheel, and a second synchronous wheel is rotationally connected to the interior of the dam body. The surface of the first synchronous wheel and the surface of the second synchronous wheel are sleeved with a synchronous belt. The fishing device has the advantages that sundries can be fished and collected through cooperation of a fishing rod and a separating rod, meanwhile, a limiting assembly is additionally arranged, and a net bag can be disassembled and assembled through cooperation of an inserting rod and an inserting groove in the limiting assembly.

The ecological environment-friendly water conservancy protection slope comprises a slope body and a plurality of protection slope lattices distributed on the slope face of the slope body in an array mode. Drainage grooves are formed in the inner bottom walls of the slope protection lattices, the multiple drainage grooves communicate with one another, and the drainage grooves located in the two sides of the slope body communicate with drainage pipes; an annular belt is arranged at the drainage groove, a plurality of filtering holes are formed in the annular belt, the annular belt covers a groove opening of the drainage groove, the drainage groove is rotationally connected with a plurality of synchronous rollers, the annular belt is arranged among the synchronous rollers in a sleeving mode, and the annular belt is in transmission fit with the synchronous rollers; flow guide grooves are formed in the two sides of the slope body, water wheels are rotationally connected into the flow guide grooves, transmission mechanisms are arranged between the synchronous rollers and the water wheels, the water wheels rotate under the impact action of water flow in the flow guide grooves, the synchronous rollers synchronously rotate under the linkage action of the transmission mechanisms, and the annular belt rotates under transmission cooperation of the synchronous rollers. The filter screen has the effect of reducing the blocking probability of the filter screen.

The invention discloses irrigation equipment for an agricultural planting base, and relates to the technical field of agricultural planting, the irrigation equipment comprises a water delivery cylinder, the inner wall of the water delivery cylinder is slidably connected with a shunt pipe, the bottom of the shunt pipe is fixedly connected with a filter frame, the bottom of the filter frame is fixedly connected with a fixing rod, and the outer wall of the shunt pipe is fixedly connected with a plurality of water delivery pipes. A driving mechanism is arranged at the bottom of the fixing rod so that the irrigation range can be enlarged and spraying can be more uniform during irrigation work, and a spraying mechanism is arranged on the inner wall of the mounting pipe so that the spraying mechanism can be automatically hidden and protected after the irrigation work is completed. According to the irrigation equipment for the agricultural planting base, water flow is used for driving water wheel blades to rotate and driving a fixing rod, a filtering frame and a water conveying pipe to rotate, a spraying mechanism rotates during irrigation, the irrigation range is enlarged and uniform spraying is achieved due to different lengths of the water conveying pipe, meanwhile, centrifugal force prevents a water source from directly flushing soil, and the surrounding environment of crops is protected.

The utility model relates to the technical field of water conservancy pump stations, in particular to a quick start-stop control valve for a water conservancy pump station, which comprises a valve body, and the surface of the valve body is fixedly connected and communicated with a filter; the protection device is installed in the valve body, and the communication position between the valve body and the filter is arranged on the inner side of the protection device; the protection device comprises a filter cartridge and a water guide box, the filter cartridge is rotationally connected to the interior of the valve body, and the communicating position between the valve body and the filter is arranged on the inner side of the filter cartridge; the water guide box can enable water flow passing through the valve body to impact the water wheel in a single direction, so that the water wheel drives the filter cartridge to be cleaned by the brush plate in a single direction, the two sides of the water wheel can be prevented from being stressed simultaneously, the probability that the water wheel is restrained or even stopped in rotation is reduced, and then it is guaranteed that the water flow can smoothly pass through the filter cartridge.

The utility model relates to the technical field of drainage devices, in particular to a water conservancy and hydropower construction drainage device which comprises universal wheels, one side of each universal wheel is fixedly connected with a bottom plate, the top face of each bottom plate is fixedly connected with a water pump, and one side of each water pump is fixedly connected with a drainage pipe. The cleaning device has the advantages that impurities can be filtered through the filter plate, water flow can impact the water wheel, the cleaning frame can be driven to rotate through the water wheel, the cleaning brush can be tightly attached to the filter plate under extrusion of the spring, and the cleaning brush can be driven to scrape off the impurities on the filter plate along with rotation of the cleaning frame; and after a certain amount of impurities are accumulated in the collecting frame, an electric telescopic rod can be started to drive a bottom cover to move downwards, then the collecting frame can be pulled out for cleaning, self-cleaning of the filter plate can be achieved, and the impurities in the filter box can be conveniently cleaned.

The utility model discloses a trolley for rapidly scanning a rail bottom. The trolley comprises a frame assembly, a rotating assembly, an ultrasonic flaw detector host, a coupling liquid barrel and a battery assembly, the rotating assembly can be rotationally connected with the two sides of the bottom of the frame assembly; the ultrasonic flaw detector host is connected to the frame assembly and is connected with the water wheel of the rotating assembly; the coupling liquid barrel is connected with the frame assembly and connected with the spray head body on the rotating assembly. The battery assembly is connected with the frame assembly and the rotating assembly. The utility model has the beneficial effects that the use is more efficient and more convenient; damage identification can be performed on the inner and outer rail bottoms of the steel rail at the same time; the rail bottom rapid scanning trolley is a beneficial supplement for steel rail flaw detection, improves all-directional recognition of the damage condition of the whole steel rail, and improves the detection efficiency and the recognition rate.

The invention discloses an anti-blocking pneumatic diaphragm regulating valve which comprises a valve body, one side of the valve body communicates with a water inlet pipe, a first horn pipe is fixedly installed in the water inlet pipe, a filter frame is fixedly installed on one side of the first horn pipe, an anti-blocking mechanism is arranged on one side of the filter frame, and a filter plate sliding in the water inlet pipe is arranged on one side of the anti-blocking mechanism. A filtering mechanism is arranged on one side of the filtering plate, a second horn pipe is fixedly installed in an inner cavity of the water inlet pipe and located on one side of the filtering mechanism, a rotating cylinder is rotationally installed on one side of the second horn pipe, a plurality of water wheels are fixedly installed on the surface of the rotating cylinder, and a plurality of rubber strips inclining downwards are further fixedly installed on the surface of the rotating cylinder; and a cleaning brush is fixedly mounted on the lower surface of the rubber strip. Through the arrangement of a second horn pipe, a water wheel, a rubber strip, a cleaning brush and the like, floccule impurities in water can be filtered, meanwhile, when the floccule impurities are taken out, the impurities can be prevented from being scraped off and falling into a pipeline, and the using effect is greatly improved.

The invention relates to the technical field of petroleum drilling tools, in particular to a shaft-torsion coupling percussion drilling speed increasing tool which comprises a shell, an upper water wheel, a torsion percussion assembly, a lower water wheel and an axial percussion assembly. The tool is reasonable and compact in structure, the tool is installed at the position close to a drill bit, the upper portion of the shell is connected with a drill collar, the lower portion of the shell is connected with the drill bit, fluid enters the upper portion of a central channel to impact an upper water wheel, the upper water wheel drives an upper rotating shaft to rotate, and a torsion impact assembly periodically impacts a fixing block in the circumferential direction, so that a circumferential impact effect is generated on an outer cylinder; the fluid continuously flows downwards to impact the lower water wheel, the lower water wheel drives the lower rotating shaft to rotate, the axial impact assembly periodically impacts the outer barrel in the axial direction, and then the axial impact effect is generated on the drill bit on the lower portion. The tool can transmit periodic torque and axial impact to the drill bit, the rock breaking speed of the drill bit is increased, the drilling period is shortened, and then cost and time are saved.

The utility model relates to the technical field of salty mariculture equipment, in particular to a power transmission composite rod of a waterwheel aerator. Comprising a fixing frame, a buoyancy supporting body is fixed to the bottom of the fixing frame through bolts, a driving part is fixed to the top of the buoyancy supporting body and located in the middle of the fixing frame, power transmission composite connecting rods are fixed into the two ends of the driving part, and impellers are arranged on the outer sides of the power transmission composite connecting rods. The utility model provides a power transmission composite connecting rod of a water vehicle type aerator suitable for salty seawater aquaculture, which is composed of main parts such as a first connecting rod, a second connecting rod, a third connecting rod, an anti-corrosion wrapping layer made by a special formula, an embedded square steel tube laid with a stainless steel protective layer at an impeller mounting position and the like. The mechanical strength and the corrosion resistance of the power transmission composite connecting rod are greatly improved, the service life is prolonged, and the manufacturing cost is reduced by 50%.

The invention relates to an environment-friendly flue gas safe treatment filtering device which comprises a base, a smoke removal tower filled with washing liquid and a liquid supply pump used for enabling the washing liquid in the smoke removal tower to circularly flow, a pretreatment pipe is arranged in the base, a liquid supply pipe and a smoke inlet pipe are arranged at one end of the pretreatment pipe, the liquid supply pipe is communicated with the liquid supply pump, and the smoke inlet pipe is communicated with the liquid supply pump. The smoke inlet pipe is communicated with the public flue, a water wheel is rotatably connected to the interior of the pretreatment pipe, a spiral conveying blade and a driving bevel gear are coaxially arranged on the water wheel, a hollow rotating shaft is rotatably connected to the end, away from the smoke inlet pipe, of the pretreatment pipe, and a driven bevel gear meshed with the driving bevel gear is arranged at the lower end of the hollow rotating shaft; hollow stirring blades communicated with the interior of the hollow rotating shaft are distributed on the hollow rotating shaft in the smoke removal tower; by increasing the contact area of the flue gas and the washing liquid, the flue gas and the washing liquid are fully mixed and contacted, oil stains and particulate matters in the flue gas are favorably removed, and the purification degree is high.

The invention discloses a heavy metal ion wastewater treatment device in construction wastewater, and belongs to the field of wastewater treatment. Comprising a filtering and purifying mechanism, and an agent adding mechanism is arranged on the left side of the filtering and purifying mechanism; a driving mechanism is arranged above the filtering and purifying mechanism; the filtering and purifying mechanism comprises a box body, and the top of the box body is fixedly connected with a circulating pump; the medicament adding mechanism comprises a hollow cylinder, the top of the hollow cylinder fixedly communicates with the bottom end of the input end of the circulating pump, and the inner side of the hollow cylinder is rotationally connected with water wheel blades through a rotating shaft; according to the device, through the synergistic effect of an arc-shaped flow deflector, an inverted V-shaped flow guide strip and a flow guide plate in the filtering and purifying mechanism, multi-stage flow guide dispersion of building wastewater is realized, the wastewater and impurities such as suspended solids, silt and concrete residues in the wastewater are prevented from intensively impacting a filter screen, and meanwhile, the impurities above the filter screen can be directly disturbed by reciprocating swing of the flow guide plate; the filter screen is prevented from being blocked by impurity accumulation.

The invention relates to the technical field of diversion and drainage, in particular to a diversion and drainage structure for hydraulic engineering construction, which comprises a sedimentation tank, a re-suction box fixedly connected to the outer side surface of the sedimentation tank, a water collecting tank fixedly connected to the top surface of the sedimentation tank, and an adjustable siphon mechanism for siphon and adjustable starting water level arranged on the inner side surface of the re-suction box. The inner side surface of the water collecting tank is provided with a wind direction mechanism for adjusting the drainage direction and adjusting through the wind direction, the bottom surface of the water collecting tank is provided with a water wheel mechanism for controlling the rotating speed and differential speed according to water flow, and the outer side surface of the water wheel mechanism is provided with a control disc moving and rotating according to the water flow intensity and the wind direction. A follow-up mechanism for changing the collecting direction according to the wind direction is arranged on the surface of the bottom of the water collecting tank, and a slow reset mechanism for slowly resetting the water wheel mechanism is arranged at one end of the water wheel mechanism. Drainage is automatically adjusted according to rainfall and wind power, and drainage efficiency and adaptability are improved.

The invention belongs to the technical field of ship maintenance, and discloses a ship maintenance access door which comprises a door frame. The access door body is hinged to one side of the door frame; the door lock mechanism is arranged in the middle of the access door body, and a locking assembly is arranged at one end of the door lock mechanism; and the trigger assembly is arranged at the top of the overhaul access door body. According to the technical scheme, the movable ring and the driving water wheel are arranged, lubricating oil flows in the conveying groove to drive the driving water wheel to rotate, and a first bevel gear can synchronously rotate to drive a second bevel gear to rotate, so that a linkage block is driven to rotate to pull a fixed block and the movable ring to move left and right back and forth in an inner cavity of a heating cavity; when the heating cavity is full of the lubricating oil, the lubricating oil can be extruded and pushed through back-and-forth left-and-right movement of the heating cavity, so that the lubricating oil is rubbed to generate high temperature, the position of the locking block can be smoothly released from the solidification state, solidification is quickly and conveniently released, and the labor intensity of operators is greatly reduced.