62 results about "Pipe water" patented technology

This utility model discloses an exhaust structure for a dissolving tank in an alkali recovery boiler, including a dissolving tank shell, an exhaust pipe installed on the dissolving tank shell, an exhaust pipe connecting box inside the dissolving tank, an outlet of the exhaust pipe connecting box connected to the inlet of the exhaust pipe, a grid installed at the inlet of the exhaust pipe connecting box, and flushing pipes installed on both the exhaust pipe connecting box and the grid, with the flushing pipes connected to pipes, allowing water to flow into the exhaust pipe connecting box along the pipes and flushing pipes; when gas passes through the grid, dust and unvaporized liquid droplets in the gas are captured by the grid, purifying the gas discharged through the dissolving tank by using the grid, reducing the dust content of the discharged gas and increasing the dryness of the gas, and the flushing pipes are installed to periodically flush the exhaust pipe connecting box and the grid, reducing the risk of sodium salt caking and corrosion in the exhaust pipe, and improving the continuous operation cycle of the system.

This utility model discloses a device for monitoring water flow velocity and flow rate in pipelines, relating to the field of pipeline water flow monitoring technology. It includes a monitoring body, one end of which is fixedly connected to an installation component. A sealing component is provided on one side of the installation component, and a pipeline body is provided on one side of the sealing component. The installation component includes a first flange, a second flange bolted to one side of the first flange, a positioning bolt inside the first flange, and a nut on the outer wall of the positioning bolt. This device allows the first and second flanges to pass through the positioning bolt and is secured to the outer wall of the positioning bolt with a nut. After initial installation, a baffle on a long bolt connects the first and second flanges, and the baffle is positioned and fixed by tightening the positioning nut to the outer wall of the long bolt, thus improving the fastening and installation of the monitoring body and the pipeline body.

The utility model relates to a kind of online liquid cooling constant-temperature thin-walled section shaping device, including base, stand, lower shaping roll and upper shaping roll, upper shaping roll and lower shaping roll structure are same, upper shaping roll includes hollow shaft, shaping roll cover, water collecting tray, water return pipe water inlet joint, water return pipe water inlet joint, stand is equipped with lower bearing seat, stand is equipped with upper bearing seat, water collecting tray is equipped with water return cavity, water collecting tray surface is equipped with water return hole, water return cavity is connected with water return pipe, hollow shaft between water collecting tray is equipped with water inlet hole.The utility model sets up upper shaping roll and lower shaping roll into hollow roll and is connected to circulating cooling system, so that upper shaping roll and lower shaping roll constant temperature in whole shaping process, prevent upper shaping roll and lower shaping roll expansion after temperature rise and cause shaping precision to drop, it is convenient to directly connect extrusion production line of section, reduce process, the design of water collecting tray and hollow shaft ensures that shaping roll cover temperature is uniform, prevent the deformation caused by temperature uneven.

The utility model relates to an adjustable pulse water distributor, it includes water tank, the water inlet pipe and the mud inlet pipe in water tank upper part, place in the water distribution main pipe of water tank, with the siphon of water distribution main pipe conduction, wherein the water distribution main pipe sets up in the water tank and presents the inverted U type structure, one end stretches out the water tank and is the water outlet of water distribution main pipe, one end is in the water tank and is the water inlet of water distribution main pipe, the siphon includes siphon main pipe, siphon auxiliary pipe and siphon destruction pipe, wherein the siphon main pipe with water distribution main pipe water inlet side conduction, siphon main pipe passes through siphon auxiliary pipe and siphon destruction pipe conduction, siphon auxiliary pipe still with water distribution main pipe top conduction, its characterized in with: water level adjusting spare is provided at water distribution main pipe water inlet.

This invention provides a method for identifying and locating leaks in tunnel pipes using X-ray imaging from a mobile inspection vehicle, belonging to the field of leak detection technology based on motion control and image processing. First, an intelligent information acquisition system for identifying and locating leaks within the tunnel pipe wall is constructed. Then, an adaptive collaborative model for robotic arm posture adjustment and inspection vehicle speed is designed. The inspection vehicle speed is dynamically adjusted based on the tunnel pipe distribution density, with the perpendicularity of the X-ray transmission direction to the pipe axis as the sole control benchmark. Combined with the real-time adjustment of the 6-axis robotic arm's posture parameters based on the inspection vehicle speed, automatic tunnel information acquisition is achieved without stopping the vehicle. Using the acquired X-ray image data as input, leak-related features are identified, and the identification results are output. For pipes with potential leaks, a pipe leak risk impact decision model is constructed, outputting the pipe leak risk impact level and executing graded early warnings. This invention achieves intelligent identification of hidden leaks in tunnels, improving the coverage and accuracy of tunnel pipe hazard investigation.

The utility model discloses a kind of exhaust duct water vapor condensation collection devices, it is related to tobacco processing equipment technical field, exhaust duct inside close to the export of fan is parallel to the condensing plate of dense arrangement in flow direction, heat pipe is embedded into each condensing plate, with each condensing plate heat conduction connection fixed, and communicate to in circulating water cooling loop;The bottom of condensing plate is inclined plate structure by two sides respectively downward, and form the flow guide portion at the intersection of two side inclined plate structure, and the flow guide portion is directly below the liquid guide plate fixedly arranged with exhaust duct installation.The utility model condenses water vapor in high-humidity flue gas by condensing plate, and condensate is directly discharged exhaust duct by the flow of condensing plate and liquid guide plate in the position close to fan export;Circulating water cooling loop carries out circulating heat dissipation cooling to condensing plate, effectively solve the problem of exhaust duct inner wall scale caused by high-humidity flue gas, conducive to the control of equipment maintenance cost and the guarantee of production continuity.

The application relates to a fire-fighting pipe water spraying angle adjusting device for fire fighting, and belongs to the technical field of fire-fighting equipment. The device comprises a base box and a spraying head. Multi-direction rotating devices are arranged on the proximal sides of the base box and the spraying head. The multi-direction rotating devices comprise a fixed cylinder rotatingly connected to the base box, a connecting frame connected to the fixed cylinder, and the spraying head connected to the connecting frame. A driving device is arranged in the base box. The driving device comprises a first driving part and a second driving part. The first driving part is connected to the fixed cylinder. The second driving part comprises a gear pair connected to the connecting frame. The first driving part and the second driving part are respectively operated to automatically rotate the spraying head to different angles. The application realizes automatic, accurate adjustment and stable keeping of the horizontal and pitching angles of the fire-fighting spraying head through two sets of independent self-locking driving mechanisms, and improves the safety, efficiency and covering precision of fire extinguishing operation.

This invention discloses a high-temperature protection device for gas water heaters. Its advantages are as follows: This invention employs a purely mechanical hydraulic triggering method, eliminating any electrical control detection and transmission delays. When a user suddenly closes the water outlet, causing a sudden increase in pipe water pressure, it can open the first one-way valve and trigger subsequent protection actions within milliseconds. This is far faster than the 0.5-2 second response speed of existing electrical control systems. It can open the cooling water circuit instantly before the burner's residual heat accumulates and high temperatures form, fundamentally absorbing the thermal shock at the moment of flow interruption and completely preventing the generation of instantaneous high temperatures in the combustion chamber and heat exchanger. Simultaneously, while opening the cooling water circuit to provide continuous low-flow cooling to the combustion chamber and heat exchanger, the device triggers a signal generator through the first one-way valve to instantly send a control signal to close the gas supply valve, achieving dual protection of cooling water supply replenishment and gas supply cutoff. This effectively avoids safety hazards such as component burnout and pipe cracking caused by high temperatures.

The present application relates to the technical field of pipeline hydrostatic test, and especially relates to a pressure water supplementing and metering device for municipal pipeline hydrostatic test, which comprises a water tank, a booster pump, a flowmeter and a control cabinet, a program controller is arranged in the control cabinet, further comprising a pressure sensor and a vibration sensor arranged along the axial direction of the pipeline to be tested, and an active tunable damper arranged between the pump outlet and the pipeline; the program controller synchronously collects pressure and vibration data, carries out correlation analysis on the data, generates a pressure wave space-time propagation graph, calculates a water hammer risk index and divides a risk level through a nonlinear fusion model according to the dominant frequency, amplitude, propagation speed change rate and vibration energy of the pressure wave, selects an inhibition strategy according to the risk level, calculates a pressure peak value reduction rate and a wave fluctuation decay time according to the data after inhibition, and generates an effect evaluation value. The present application realizes active sensing, graded inhibition and effect evaluation of water hammer risk, and improves the safety and intelligent level of the hydrostatic test.

This utility model discloses a steam condensate conveying device, belonging to the field of steam transmission technology. It includes: a storage tank, a first condensate pump, and a second condensate pump. The storage tank is connected to the input end of the first condensate pump via a first pipe; the storage tank is connected to the input end of the second condensate pump via a second pipe; the output end of the first condensate pump is connected via a third pipe; the output end of the second condensate pump is connected via a fourth pipe; the first pipe and the fourth pipe are connected via a fifth pipe; a second regulating valve is installed on the first pipe, and a first regulating valve is installed on the fifth pipe; a third regulating valve is installed on the fourth pipe. Adding two condensate conveying pumps at the outlet of the steam condensate tank can restore the condensate tank level to normal, improve the heat exchange effect of the steam heat exchanger, and eliminate water hammer in the pipeline, ensuring the reliability of pipelines, instruments, regulating valves, and other equipment.

The utility model discloses a kind of pseudo-boehmite decomposition temperature control devices, including decomposition tank, 50mm diameter stainless steel coil pipe wound on the upper and lower inner wall of decomposition tank, frequency conversion water pump connected with coil pipe water inlet end, flowmeter arranged at water pump outlet and thermometer located at coil pipe water outlet, wherein stainless steel coil pipe is connected to form the circulating waterway of total length 60m by elbow, frequency conversion water pump is connected with coil pipe to constitute closed loop system by DN100mm stainless steel pipe, and interlock control device is equipped with carbon dioxide ventilation electric valve of decomposition tank and water pump start-stop interlock.The device enhances heat exchange efficiency through large surface area coil pipe structure, combined with frequency conversion water pump flow regulation and multi-point temperature monitoring to realize decomposition temperature accurate control, interlock mechanism ensures that cooling operation and decomposition process are automatically synchronized, effectively prevent hetero-phase generation, with the advantages of compact structure, temperature control sensitivity and high degree of automation.

The utility model relates to artificial sand mud content detection technical field, and disclose a kind of artificial sand mud content detection device, including machine body, and for containing sand sample beaker, still include: rotation connection on the stirring shaft of machine body, hollow formation water inlet channel in stirring shaft inside, the side wall of bottom is equipped with the water outlet hole of intercommunication water inlet channel;Lifting connection on the base of machine body, for driving beaker to stirring shaft close or away;At least one water suction pipe, fixedly connected on the machine body, water suction pipe bottom extends into beaker, and water suction pipe water inlet end detachably connected with filter screen, filter screen is located in the side of water outlet hole;The utility model is through lifting base to facilitate beaker to dismount, hollow stirring shaft water injection cooperation side filter screen, utilize water flow scouring anti-blocking, ensure that drainage is smooth, and integrated water supply and water suction component realize automatic elutriation, replace manual operation, significantly improve detection efficiency and result accuracy, satisfy large quantities engineering detection demand.

Embodiments of the present invention provide a pre-filter and water system with internal and external dual filter bottles. The pre-filter of this application employs a dual filter bottle design, ensuring that even in special circumstances such as water hammer effects that could cause leakage or cracking of the internal transparent filter bottle, or low-temperature freezing environments, the external filter bottle remains sealed and provides protection, withstanding pipeline water pressure. This effectively prevents tap water from overflowing and avoids property damage to the user due to pre-filter failure.

The embodiment of the application discloses a kind of water inlet valve automatic regulating pump house, the utility model discloses a pump room ground and bottom flow pipe, bottom flow pipe is installed in the upper end of pump room ground, the surface on pump room ground is equipped with support column, the front of support column is equipped with three groups of grooves, three groups of groove inside support column are equipped with the adjusting mechanism of the control three groups of bottom flow pipe water inflow, three groups of groove inside support column are equipped with the positioning mechanism of positioning adjusting mechanism, the upper surface of support column is equipped with protection mechanism, the water inflow end of bottom flow pipe is closed by the water flow of rising in pump house and triggers adjusting mechanism, to avoid subsequent pump house internal water level rising and cause subsequent pump house internal equipment to produce damage as far as possible, so improve the stability of subsequent pump house in the process of use;By elastic potential, the equipment of adjusting mechanism is positioned in the groove inside support column, to avoid subsequent adjusting mechanism internal equipment in the process of use and produce damage as far as possible.

The application discloses a water hammer protection method based on a multi-preference constraint multi-objective optimization algorithm, and comprises the following steps: constructing a pipeline water hammer pressure calculation model based on fluid mechanics equations, solving by using a characteristic line method, and obtaining two pairs of characteristic line compatibility equations; selecting decision variables, fitting four target functions, and connecting the four target functions into an MSCMOEA algorithm; judging a calculation stage by a relationship between a current iteration number and a maximum iteration number, selecting a model meeting a triggering condition in models I, II and III according to a current feasible solution ratio, optimizing, iterating until a termination condition is met, and outputting a pareto optimal solution set. The application aims to realize multi-objective optimization of a water hammer protection scheme on the basis of ensuring stable operation of an engineering, further ensure engineering safety, and effectively reduce engineering cost.

The utility model discloses a kind of water storage tank double-flow channel water distribution devices, involve water distribution device technical field.The water storage tank double-flow channel water distribution device, including hollow column one, connecting pipe and telescopic structure, the top of hollow column one is provided with hollow column two, the outer wall of hollow column one and hollow column two is fixedly installed with four groups and annular equidistant arrangement hollow pipe, hollow pipe is provided with hollow cylinder.The water storage tank double-flow channel water distribution device, on the one hand, can be adjusted according to the inner wall size of water storage tank hollow cylinder outward, so that it can be applicable to different size water storage tank, effectively improve the application range and mobility of the water distribution device, and adjustment is more convenient, on the other hand, the water distribution effect of device has double-flow channel, when upper spray pipe water distribution appears blockage, using lower one group spray pipe to carry out water distribution operation, reduce the frequency of required overhaul, can carry out overhaul operation when device is idle, improve the practicability of the device.

The utility model relates to pipeline water hammer eliminator technical field discloses a kind of pipeline water hammer eliminator for liquid feeding, including support seat, the outer wall of the support seat is slidably connected with sliding box, the outer wall of the sliding box is slidably connected with locating block, the inboard wall of the locating block is fixedly connected with buffer pad, the inboard wall of the buffer pad is attached with protective tube, the inside of the protective tube is provided with sealing tube, the inner wall of the sealing tube is attached with infusion tube.The utility model has following advantages and effects: by setting pressure relief hole and locating block, when conveying liquid feed, in order to improve the elimination buffer effect of pipeline water hammer, by the setting of pressure relief hole, the liquid in infusion tube is pressure released, to prevent the liquid in infusion tube from being too high, causing the pipeline to be damaged, drive the locating block to slide along the inner wall of the sliding groove, so that the buffer pad is attached to the pipeline, to reduce the shaking of the pipeline.

The application provides a nozzle vertical pipe water passing pipe fitting, which aims at solving the technical problems of different spray ranges and low spraying uniformity. The pipe fitting comprises a shell and a pressure response unlocking mechanism, the shell is provided with a water inlet end, a water outlet end and a water passing cavity, the inner wall of the water passing cavity is provided with an axial sliding groove and a spiral guide sliding groove, the water passing cavity is provided with an opening and closing mechanism, the opening and closing mechanism comprises a movable ring, a guide ring, a guide block and a plurality of opening and closing blades, the movable ring is matched with the axial sliding groove through a limiting sliding block, the guide ring is rotationally connected to the movable ring, the guide block is fixed to the guide ring and is matched with the guide sliding groove in sliding mode, the plurality of opening and closing blades are enclosed to form a variable water passing port, and the guide ring is transmissionally matched with the opening and closing blades. The movable ring is limited or released through the pressure response unlocking mechanism, the pipe fitting can automatically control on-off according to water supply pressure, water is supplied to the nozzle under stable pressure, and spraying range consistency and irrigation uniformity are improved.

This utility model discloses a drainage pipe water overflow repair component, belonging to the technical field of drainage pipe water overflow repair. The utility model includes: a first fixing sleeve, the lower surface of which is in contact with the outer surface of the fiber hose; a second fixing sleeve, the upper surface of which is in contact with the outer surface of the limiting hose; a telescopic column, the lower end face of which is fixedly connected to the upper surface of the second fixing sleeve, and the upper end face of which is fixedly connected to the lower surface of the first fixing sleeve; and a first spring, the lower end face of which is fixedly connected to the upper surface of the second fixing sleeve, and the upper end face of which is fixedly connected to the lower surface of the first fixing sleeve. This utility model, by setting up a fixing component, solves the problem of the lack of auxiliary fixing measures for the fiber hose, which may gradually loosen due to water flow impact, pipe deformation, or other external forces, eventually leading to the risk of the fiber hose detaching from the inner wall of the drainage pipe.

This invention discloses a numerical simulation method, equipment, and medium for the water filling process of pressurized pipelines with air valves, belonging to the field of engineering technology for long-distance pressurized water transmission systems. The method includes the following steps: by constructing a three-in-one coupled control equation for pipeline water flow, air masses within the pipe, and air inlet and outlet of the air valve, combined with a gas-liquid interface tracking algorithm adapted to open-full transition flow and a refined dynamic model of the air valve, accurate numerical simulation of the entire process of a pressurized pipeline from empty pipe filling to full pipe operation is achieved. This invention, employing the aforementioned numerical simulation method, equipment, and medium for the water filling process of pressurized pipelines with air valves, improves the simulation accuracy of hydraulic parameters during water filling, enhances computational stability and engineering applicability under complex working conditions, and can accurately identify dangerous conditions such as air blockage, pressure anomalies, and water hammer, providing reliable support for the design, safety assessment, and protection optimization of water filling schemes for long-distance water transmission pipelines.

The galvanized pipe water washing device effectively solves the problems of complicated operation, time-consuming and laborious, and poor cleaning effect of the existing water washing device; the device comprises an L-shaped supporting plate, the left end of the supporting plate is provided with an inner meshing gear rotating leftward and rightward, the right end of the inner meshing gear is coaxially provided with an arc block, the lower end of the arc block is coaxially fixed with a cleaning cylinder through a connecting block, a plurality of brush hairs are uniformly distributed on the surface of the cleaning cylinder and the inner surface of the arc block, a plurality of inner water spraying holes are formed on the front and rear ends of the cleaning cylinder and are uniformly distributed along the left-right direction, a water conveying groove is formed in the arc block and extends leftward and rightward, a plurality of outer water spraying holes are formed in the inner side of the arc block and are uniformly distributed along the left-right direction and are communicated with the water conveying groove, the cleaning cylinder is communicated with the water conveying groove through a connecting pipe, and a water supply pipe is arranged on the supporting plate and is inserted into the cleaning cylinder and is rotationally connected with the cleaning cylinder; the device has the advantages of simple structure, novel design, convenient use and strong practicability.

The utility model relates to a pressure relief well belongs to pressure relief well technical field, concretely is a kind of pressure relief well with permanent pressure relief effect, including bottom plate, the bottom plate is equipped with pressure relief well, floor is poured on the bottom plate, steel plate is fixedly connected in pressure relief well, steel plate is fixedly connected with pressure relief pipe on it, ball valve is equipped on the pressure relief pipe, high-strength grouting material is equipped on the steel plate, floor is movably inserted with cover plate, four clamping grooves are set up on the floor, recess is set up in the cover plate;In the utility model, by multilayer structure design and end installation ball valve, late stage can be directly connected pipe water diversion pressure relief, realizes the long-term stable pressure relief effect, and pressure relief well position leakage can be promptly repaired, reduces floor leakage situation, by cover plate, recess, clamping plate, limit post, connecting plate, spring, rotating plate, limit slot and slot cooperation, locking cover plate, avoid irrelevant personnel to open cover plate, operate ball valve, cause danger.

A horizontal, vertically movable, watertight paradoxical membrane is vertically raised and lowered in the lower part of a combined container. The combined container has a characteristic shape and consists of a lower and an upper section. The lower section of the container has a much larger diameter or cross-section and a much lower height than the upper section. The upper section of the combined container is a long, vertical pipe with a small diameter. The lower and upper sections of the combined container are connected to each other. A control valve is located on the long vertical pipe near the connection point with the lower section of the combined container. When the control valve opens, a continuous column of combined water is formed in the combined container. The raising of the paradoxical membrane forces water above the membrane out of the lower section of the combined container. Water enters the long vertical pipe from the lower section. Water flows out of the combined container at the top of the long vertical pipe. The water raised to a higher level is primarily used for power generation in hydroelectric power plants. Secondly, the water raised to a higher level can be used for another useful purpose. The paradoxical membrane is an integral part of every closed-loop hydroelectric power plant, rising and lowering within the lower section of the combined container. Circulating closed-loop hydroelectric power plants can be classified according to their structural design. Another important classification method is based on the method of raising the paradox membrane. A circulating closed-loop hydroelectric power plant is a closed system in which a finite amount of water circulates in a process that is repeated cyclically.

The utility model relates to underground pipeline repair technical field, concretely is a kind of trenchless pipeline repair auxiliary water guide device, including blowdown pump, first L type pipeline and second L type pipeline respectively with the water inlet port and water outlet port of blowdown pump intercommunication, cross pipe respectively with the water inlet port of first L type pipeline and the water outlet port of second L type pipeline intercommunication, high-pressure gas bag respectively sleeved in the outer wall of cross pipe, double-plate check valve respectively with two cross pipe free end intercommunication, water injection mechanism with the horizontal section pipe wall intercommunication of second L type pipeline;The device is combined with high-pressure gas bag, double-plate check valve and blowdown pump, solve the problem of upstream pipeline water retention;Both avoid sewage overflow to pollute the environment, and eliminate garbage deposition caused by water retention, save the cost of downstream repair after upstream secondary dredging;Its structure by first, second L type pipeline and cross pipe are adapted to large pipe diameter operation, avoid the disadvantage of frequent operation of traditional small section plugging, also reduce the risk of gas bag being washed off by upstream water pressure.

The application provides a kind of pipeline water flow speed measuring device based on magnetic fluid and its speed measuring method, it is related to pipeline fluid speed measuring field, it includes pipeline, at least two speed measuring points being arranged along the axial direction of pipeline and signal acquisition unit;Each speed measuring point includes trigger component, transmission component and sealed signal cavity, trigger component generates trigger displacement under the action of water flow, transmission component transmits trigger displacement, sealed signal cavity is arranged on the outside of pipeline and is isolated from the fluid in the inside of pipeline, magnetic fluid medium and signal trigger component are provided in sealed signal cavity, and signal acquisition unit calculates the flow velocity of water flow in pipeline according to the time difference of at least two speed measuring points. The application can adapt to non-conductive or impurity-containing water flow, improve the stability and environmental adaptability of speed measurement.

A kind of steady voltage control water delivery structure and coffee maker with the structure, including first pipeline shell, second pipeline shell and valve body assembly;First pipeline shell and second pipeline shell are combined and assembled to form pipeline heat exchange combination, and pipeline heat exchange combination has complete water delivery channel and heat exchange part, water delivery channel forms water inlet and water outlet on the pipeline heat exchange combination, and heat exchange part is used for heat exchange between water delivery channel and outside;Valve body assembly is arranged at the water outlet end of pipeline heat exchange combination, for controlling the opening and closing of water outlet of pipeline heat exchange combination and water outlet flow.This utility model's steady voltage control water delivery structure is formed by the combination and assembly of first pipeline shell and second pipeline shell to form detachable water delivery channel structure, has the advantages of welding-free processing, more safe, low cost, convenient cleaning and maintenance etc., with pipeline waterway water delivery function, and high heat exchange efficiency, especially suitable for coffee maker to provide ideal brewing hot water.

The utility model discloses a grid reinforced thin -walled glass reinforced plastic pipeline hydrostatic test device, including blind plate, set up in the inner support pipe of glass reinforced plastic pipeline, be provided with glass reinforced plastic pipeline installation department and inner support pipe installation department on the blind plate, and the water injection space is formed between blind plate and inner support pipe outer wall, glass reinforced plastic pipeline inner wall, still be provided with the water injection port and pressure gauge on the blind plate, still be provided with the spacing locking mechanism of limiting blind plate axial movement on the blind plate of both ends. Through setting up blind plate and built -in support pipe in glass reinforced plastic pipeline both ends, form annular water injection space, reduce the water amount required for test greatly. The water injection port and pressure gauge on the blind plate realize pressure monitoring, and spacing locking mechanism prevents blind plate displacement under high pressure, and the sealed reliability is ensured. The structure significantly reduces water resource consumption, avoids the additional deformation influence of still water pressure to thin -walled pipeline simultaneously, solves the problem that thin -walled glass reinforced plastic pipeline is full of water after the insufficient rigidity, and deforms too much, is difficult to seal.

This utility model relates to the field of whole-house pipe purification technology for improving water quality, and discloses a whole-house pipe purification system for improving water quality, including a shell assembly. A pre-filter assembly is snapped onto the upper inner wall of the shell assembly, symmetrically distributed deionization assemblies are installed on the outer wall of the shell assembly, an activated filter assembly is installed at the bottom of the inner wall of the shell assembly, and a reflux assembly is installed on the outer wall of the shell assembly. The reflux assembly and activated filter assembly are provided to further capture smaller suspended particles, colloids, and other substances that may not be completely removed in a single filtration, thereby effectively reducing the turbidity of the water and improving the clarity of the water. This effectively ensures that the water maintains a certain flow state in the pipes and avoids the deposition of impurities in dead corners or low-flow-rate areas of the pipes.

The application discloses a kind of central air conditioning condensate water pipeline dredging overhauling device, including dredging pipe, the one end of the dredging pipe is equipped with cleaning brush head structure, the universal flexible shaft structure for driving cleaning brush head structure rotation is equipped in the dredging pipe, the other end of the dredging pipe is equipped with handle, the outside of the one end of the dredging pipe close to cleaning brush head structure is fixed with second sealed air bag structure, by first sealed air bag structure on the position adjustment of dredging pipe, cooperate the second sealed air bag structure of fixed setting, different length blocked pipe section can be adapted, the spring air guide pipe of helical telescopic is realized double air bag synchronous gas supply, after double air bag inflation, pipeline is sealed and blocked to form independent sealed chamber, can be targeted to sealed cavity inside dosing descaling liquid closed immersion, without whole pipe water injection, save reagent dosage, fixed point softening scale, solve the disadvantages that traditional device cannot be immersed in section.

The application discloses a straight pipe water outlet flow channel optimization design method and relates to the technical field of hydraulic engineering, which comprises the following steps: S1, obtaining basic fluid parameters and outlet size parameters, setting constraint conditions and calculating derivative parameters; S2, calculating each energy loss component according to the current diffusion section length L, and establishing a total energy loss model; S3, checking whether each current solution satisfies the constraint conditions, calculating a penalty function value and calculating a corrected target function F; and S4, searching for the optimal diffusion section length based on the target function by using a genetic algorithm. The application establishes a complete energy loss calculation model, sets the diffusion section length as an optimization variable, sets constraint conditions and makes the energy loss minimum, so that the straight pipe water outlet flow channel can be quickly and reliably designed, and the application is suitable for the design of water outlet flow channels with various outlet diameters.