332results about "Sewer systems" patented technology

The invention belongs to the related technical field of pipe network leakage detection, and provides a comprehensive detection method and system for leakage of an underground sewage pipe network in an industrial park in order to solve the problems that existing pipe network leakage detection is inaccurate, large-area detection is difficult and the like. Performing inversion on the acquired data by adopting prior constraint, and judging a detection section of suspected leakage abnormity according to a resistivity profile; further detecting the detection section with the suspected leakage abnormity by using a high-density resistivity method and an induced polarization method, refining a grid based on an electromagnetic method result and prior information, introducing directional smooth constraint and minimum gradient support to perform inversion constraint on acquired data, and positioning a leakage area; sampling to judge the authenticity of the leakage of the detected area, and peeping, measuring and positioning the leakage area through the pipeline robot; and rapid identification and delineation of the pipe network leakage risk area of the industrial park are realized through cooperation of multiple methods.

To suppress danger in construction work and deterioration in workability by reducing flow passage obstruction in a sewer and an influence of a large pipe diameter with respect to a fixing jig for a sensor which measures information from the pipe bottom of the sewer.SOLUTION: A fixing jig 20 for a sensor comprises an arcuate jig body 21 fitted with a water level sensor 22, guide holes 25a, 25b formed on both sides of the jig body 21, and fixtures 23a, 23b and 24a, 24b for fitting both sides to an inner wall 3a of a sewer 3. Anchor bolts 28 embedded in the inner wall 3a of the sewer 3 are inserted into through holes 27 and guide holes 25a, 25b of the fixtures 23a, 24a and fastened with nuts to fix the fixing jig 20 to the inner wall 3a.SELECTED DRAWING: Figure 2

The invention relates to the technical field of municipal engineering, in particular to a sewer plugging device. According to the technical scheme, the sewer plugging device comprises an inflatable air bag, a sliding cylinder structure capable of relatively sliding front and back, an umbrella-shaped supporting frame and a fixed supporting piece, the inflatable air bag is fixedly arranged at the front end of the sliding cylinder structure, and the umbrella-shaped supporting frame is in driving connection with the sliding cylinder structure; the fixed supporting piece is fixedly arranged at the tail end of an outer supporting rod of the umbrella-shaped supporting frame. The device has the beneficial effects that the whole structure does not need to utilize power mechanisms such as electric power or hydraulic power mechanisms and can effectively adapt to the underwater operation environment.

A system and method for measuring or for estimating flow or flowrate of a fluid, including wastewater inflow or infiltration, using non-contact depth-based flow measurement, including: receiving a depth sensor signal from an ultrasonic depth sensor positionable over a manhole channel above an outgoing pipe's crown; receiving a temperature signal from a temperature sensor positionable within the manhole channel; receiving one or more data input signals; calculating a distance to a surface of the fluid based on the received depth sensor signal; and determining a depth of the fluid in the manhole channel based on the calculated distance. Flow velocity may be calculated using Manning's equation or the Hazen-Williams equation, with flow rate subsequently determined using the continuity equation. Alternatively, flow velocity and flow rate may be estimated using a machine learning model trained on simulated or historical time-series data of flow rate, flow velocity, and flow depth, along with pipe attributes, to generate real-time flow estimates based on current and prior flow depth measurements.

The pipe network pump station desilting robot of the double-flow-channel suction pump structure comprises a robot shell body, a mounting support is fixedly mounted at the bottom of the robot shell body, a variable-frequency speed regulator is fixedly mounted on the outer side of the mounting support, crawler wheels are arranged on the inner side of the variable-frequency speed regulator, and the crawler wheels are fixedly mounted on the outer side of the mounting support. A double-flow-channel suction pump assembly is arranged on the outer side of the robot shell body, and a self-adaptive adjusting assembly is arranged on the outer side of the robot shell body. According to the pipe network pump station dredging robot of the double-flow-channel suction pump structure, by arranging the double-flow-channel suction pump assembly, a strong negative pressure suction environment can be formed, the sludge adhesion amount can be reduced, efficiency reduction caused by reduction of the cross section of the flow channel is avoided, the negative pressure strength of the main suction flow channel is supplemented, the air suction phenomenon is avoided, the self-adaptive adjusting assembly is arranged, and a pressure sensor monitors the main suction flow channel in real time; closed-loop control of blocking early warning, active intervention and risk elimination is achieved, a visual monitoring assembly is arranged, the equipment fault maintenance frequency is reduced, and the operation efficiency is improved.

This invention relates to the diagnosis of sedimentation in drainage networks, specifically providing an unmanned underwater vehicle (UUV) based maintenance decision-making method for drainage pipeline sedimentation diagnosis and waterlogging warning. The UUV of this invention consists of an integrated hull inside the pipeline and a manhole box. The integrated hull inside the pipeline includes a Doppler ultrasound module, a three-axis gyroscope, a high-definition infrared camera, a main controller, a deep learning development board, baffles, a cabin cover, a cabin, fins, towing rings, and a navigation interface. The Doppler ultrasound module, three-axis gyroscope, high-definition infrared camera, navigation interface, and deep learning development board are each connected to the main controller. The fins, towing rings, cabin cover, and baffles are connected to the cabin.

The invention discloses a water quality concentration acquisition and real-time detection system and method, and relates to the field of environmental monitoring, the system comprises a sampling scheduling module, an analysis detection module, a trigger judgment module, an interpolation modeling module and a linkage control module. According to the method, the historical concentration data and the environmental factors are modeled by introducing the machine learning algorithm, the migration trend of the pollutants in the water body can be predicted, the acquisition nodes are scheduled in advance to sample a high-concentration area possibly occurring, missing detection and delayed response are effectively avoided, and the early warning capability of pollution emergencies is improved. By fusing remote sensing images, ground sampling data and hydrodynamic information and utilizing an improved geographically weighted regression model and a graph neural network algorithm, concentration interpolation prediction is carried out on a non-point distribution area, and the problem that traditional point location type monitoring space coverage is insufficient is solved.

The utility model discloses a cleaning device for silt garbage in a grit chamber of a drip irrigation pump room, which belongs to the technical field of silt cleaning and comprises a vehicle body, a collecting shovel is rotatably connected to the front of the vehicle body, an adjusting component is fixedly connected to one end of the upper surface of the vehicle body, and a first filter frame is fixedly connected to the inside of the vehicle body. A second filter frame is fixedly connected to the interior of the first filter frame, a sludge pump is fixedly connected to the upper surface of the second filter frame, a telescopic pipe is fixedly connected to the outlet end of the sludge pump, and a separation assembly is fixedly connected to the middle end of the upper surface of the vehicle body. By arranging the adjusting assembly and the collecting shovel, the angle can be adjusted, the collecting shovel can be tightly attached to the bottom face of the grit chamber, large-area and high-efficiency cleaning operation is achieved in combination with driving of the crawler wheels, automatic pushing of garbage is achieved by moving the moving plate and the pushing plate in the vehicle body, garbage is prevented from being accumulated in the vehicle body, and the working efficiency is improved. Effective separation of the sludge and the garbage is ensured, and subsequent treatment is facilitated.

The invention belongs to the technical field of drainage robots, and particularly relates to a crawler-type drainage robot for cleaning urban drainage crossings, an engine is fixedly mounted on the inner wall of a machine body, a suspension is fixedly connected to the outer wall of the bottom of the machine body, a water suction pump is fixedly mounted on the outer wall of the top of the suspension, and the water suction pump is driven by stretching adjustment of a spring hose. The water pumping position can extend to a low-lying position for water pumping, so that self-adaption of the water pumping height is achieved, meanwhile, the water pumping opening of the spring hose is aligned with a sewer opening, high-pressure water pumping suction force can suck up part of light garbage blocking the sewer opening, the light garbage is separated from the sewer opening, and the blocking condition of a sewer is relieved. Therefore, the drainage efficiency is improved, and the drainage mode is improved.

The present application belongs to the technical field of roadway dredging, and particularly relates to a kind of underground roadway drainage ditch dredging device.The dredging device comprises: a tracked vehicle, a tracked rail is laid on the bottom of the drainage ditch in the extension direction of the drainage ditch, and the tracked vehicle moves on the tracked rail; a sawtooth blade, the sawtooth blade is arranged at the front end of the tracked vehicle, and the sawtooth blade scoops up the sludge in the drainage ditch during the forward movement of the tracked vehicle; a storage mechanism, the storage mechanism is arranged at the rear end of the tracked vehicle, the sludge is accumulated in the storage mechanism during the forward movement of the tracked vehicle, and the sludge is unloaded in the sedimentation tank after being displaced to the position of the sedimentation tank.In the dredging device, the sludge is temporarily stored in the storage mechanism at the rear end of the tracked vehicle, and the sludge stored by the storage mechanism is unloaded into the sedimentation tank after the tracked vehicle moves to the position of the sedimentation tank.The dredging device greatly reduces the labor intensity of dredging work and improves the work efficiency.

The utility model relates to small-pipe-diameter inner shallow accumulated water pumping drainage equipment, which belongs to the technical field of drainage equipment or water pumps and comprises a pipeline, a moving trolley is attached to the inner wall of the pipeline, a single-phase screw self-priming pump is welded in the moving trolley, the left side of the single-phase screw self-priming pump is communicated with a water inlet pipe, and the right side of the single-phase screw self-priming pump is communicated with a water outlet pipe. The right side of the single-phase screw self-priming pump communicates with a water drainage pipe, and a moving assembly is arranged on the lower side of the moving trolley. The moving assembly comprises two universal wheels installed at the left end of the lower side of the moving trolley through bolts and two directional wheels connected to the right end of the lower side of the moving trolley through bolts. According to the small-pipe-diameter inner shallow accumulated water pumping and draining equipment, the connecting rope at one end of the moving trolley pulls the moving trolley to transversely move in the pipeline, the water inlet pipe and the water drainage pipe on the left side of the single-phase screw self-priming pump are matched to absorb and drain water in the pipeline, accumulated water in the pipeline is effectively cleaned, and the cleaning efficiency in the pipeline is improved.

The utility model discloses an assembly type highway bridge structure based on modularization replaceable node relates to highway bridge design technical field, including beam board, the flow guide groove of being set up in the inner wall of beam board, the buffer board of being set up in the inner wall top of flow guide groove, the through -hole of having on the top of buffer board, the type board of fixed connection in the inner wall of flow guide groove, the dredging device of detachable fixed connection in the inner wall of type board, the dredging device is used for the impact dredging of through -hole, the dredging device includes vertical cylinder, the inner wall swing joint of vertical cylinder has the piston, the bottom surface fixed connection of piston has return spring. The utility model discloses through setting buffer board and dredging device, utilize the pressure of the vehicle travel to drive impact lance to carry out repeated airflow impact to through -hole, can complete dredging automatically when the through -hole is blocked, avoid the tediousness and high cost of manual dredging, ensure that the bridge deck rainwater is discharged in time, reduce the damage of accumulated water to bridge structure.

The invention relates to the technical field of stainless steel materials, and particularly discloses 304 stainless steel for a flow-limiting downward-opening type checkgate and a machining process thereof.The machining process comprises the steps that firstly, the surface of the 304 stainless steel is pretreated through aluminum oxide particles, the roughness of the surface of the stainless steel is increased, and then an aluminum-cobalt-chromium-iron-nickel high-entropy alloy layer is formed on the surface of the stainless steel through magnetron sputtering; aluminum is distributed in an alloy layer in a gradient mode by adopting a mode of improving the power of an aluminum target to form a gradient layer, and then subzero treatment, pulse circulation treatment, hole sealing by a hole sealing agent and annealing treatment are carried out, so that the 304 stainless steel for the flow-limiting open-type checkgate with good hardness, erosion resistance and corrosion resistance is obtained, the service life of the checkgate is prolonged, and the service life of the checkgate is prolonged. And the maintenance cost during weir gate replacement is reduced.

The invention relates to a pipe inspection device (1) comprising a carriage (2) designed for movement in a pipe (20), a flexible push rod (12) which is attached to the carriage (2) at a first axial end, and an inspection unit (14) which is attached to a second axial end of the push rod (12).

Sewer inspection and / or maintenance unit (1) with an electrical consumer (10), wherein the sewer inspection and / or maintenance unit (1) can be or is coupled via a cable (20) to an external energy supply unit (21) for supplying the sewer inspection and / or maintenance unit (1) with electrical energy, characterized in that the sewer inspection and / or maintenance unit (1) has an internal energy supply unit (30) which - is coupled or can be coupled to the electrical consumer (10) in order to supply the electrical consumer (10) with electrical energy, - is coupled or can be coupled to the external power supply unit (21), and - is adapted to store electrical energy and to be charged by means of the external energy supply unit (21).

The utility model relates to a well chamber underwater plugging device which comprises an expansion head, the expansion head comprises a left extrusion plate and a right fixing plate, the center of the left extrusion plate is rotatably connected with a screw rod, the two ends of the screw rod extend out of the left extrusion plate and the right fixing plate respectively, and filler is arranged between the left extrusion plate and the right fixing plate and on the screw rod in a sleeved mode. The side, away from the filler, of the left extrusion plate is fixedly connected with an extrusion sleeve used in cooperation with the screw, the end, extending out of the right fixing plate, of the screw is sleeved with a connecting sleeve, the upper portion of the connecting sleeve is rotationally connected with a lower probe rod through a rotating shaft, a ring sleeve is arranged on the portion, above the connecting sleeve, of one side of the lower probe rod, and a clamping piece is arranged in the ring sleeve. One side of the clamping piece is fixedly connected with a pull rod, and the side, away from the expansion head, of the connecting sleeve is sleeved with a universal coupling. The expansion head is reasonable in structure, the expansion head can be lowered into a pipeline needing to be blocked through the rotating rod and the lower probe rod, and compared with a traditional blocking mode, an operator does not need to descend into a well for operation firstly.

The utility model discloses an anti-clogging sewage suction truck, which relates to the technical field of sewage suction trucks and comprises a sewage suction tank and an anti-clogging component, a bracket is arranged at the bottom of the sewage suction tank, a truck body is arranged at the bottom of the bracket, and the anti-clogging component for solid crushing and clogging prevention is arranged on the left side of the surface of the sewage suction tank. And the anti-blocking assembly comprises a crushing box, a crushing cutter, a connecting pipe, a mounting pipe and a suction pipe, the crushing cutter is mounted in the crushing box through a motor, the rear side of the crushing box is connected with the connecting pipe, the mounting pipe is arranged at the lower end of the crushing box, and the suction pipe is mounted at the lower end of the mounting pipe. According to the anti-blocking sewage suction truck, sucked sewage is pretreated through the crushing box and the crushing cutter, the crushing cutter is driven by the motor to rapidly cut in the crushing box to crush fixed sundries in the sewage, and the situation that the fixed sundries are large in size and accumulated, and consequently the sewage suction pipeline and the body are blocked is avoided; the crushing box is communicated with the interior of the sewage suction tank through the connecting pipe.

A check cover assembly for a backflow prevention assembly having a body defining an interior housing a test cock. The check cover assembly includes a ball with a central aperture and a complementary groove in an outer circumference of the ball as well as a base including a shroud portion housing the ball to create a ball valve. The shroud portion defines an access gap for accessing an actuation feature slot with a landkey of the ball valve and a threaded opening. A coupling is attached to the threaded opening in fluid communication with the interior for connecting to testing equipment. The actuation feature is used to open and close the ball valve.

A wastewater pipe inspection device (1) comprising two suspension members (11, 11') rotatably mounted on opposite sides of the main body, each suspension member (11, 11') carrying at least one front wheel (10a, 10c) and one rear wheel (10b, 10d) on the same side of said device (1), and said suspension members (11, 11') being coupled such that the rotation of one suspension member (11) in one direction of rotation causes the other suspension member (11') to rotate in the opposite direction. Figure 1

The utility model relates to the technical field of drainage channel cleaning, in particular to an anti-blocking water conservancy drainage channel cleaning device which is used for cleaning the bottom of a drainage channel and comprises a mounting plate, a plurality of moving wheels are fixedly connected to the bottom end of the mounting plate, and an arc-shaped water collecting plate is fixedly connected to the top end of the mounting plate. The outer wall of the side, close to the arc-shaped water collecting plate, of the mounting plate is fixedly connected with an inclined plate. Moving wheels are arranged on a mounting plate and can move along the bottom of a drainage channel under the pushing of water flow; a large cleaning roller and a small cleaning roller are arranged, dirt at the bottom of a drainage channel can be automatically cleaned under driving of a water wheel, water flow is discharged from an inclined water pipe to impact the water wheel to rotate, the water wheel drives a connecting rod to rotate, the connecting rod drives a rotating rod to rotate through a first chain transmission structure, and the rotating rod drives the large cleaning roller to rotate to clean dirt. Meanwhile, the rotating rod drives the round rod to rotate through the second chain transmission structure, the small cleaning roller on the round rod further cleans dirt, and people do not need to go deep into the drainage channel for manual cleaning.

A positioning system for sewer inspection and / or maintenance systems is provided for positioning a device in a sewer, wherein the positioning system has a lifting arm arranged on a base support, wherein - the lifting arm is deflectable or pivotable about a pivot axis relative to the base support, - the base support is arranged on a carriage of the sewer inspection and / or maintenance system, and - the base support is movable or travelable along an axis of movement relative to the carriage, and / or - rotatable about a rotation axis relative to the carriage.

The utility model discloses a handheld electric side ditch cleaning device which comprises a first hollow pipe, a second hollow pipe, a first transmission shaft and a second transmission shaft. According to the handheld electric side ditch cleaning device, one end of a first hollow pipe is slidably arranged at one end of a second hollow pipe in a sleeving mode, a motor is fixedly installed at the other end of the first hollow pipe, a transmission bin is fixedly connected to the other end of the second hollow pipe, and a first transmission shaft is rotationally connected into the first hollow pipe; a second transmission shaft is rotationally connected into the second hollow pipe, one end of the second transmission shaft is inserted into the transmission bin and fixedly connected with a first gear, and a mounting shaft is rotationally connected to the transmission bin in a penetrating mode. And under the action of the first gear, the second gear drives the mounting shaft to rotate, so that the cleaning roller is driven to rotate at a high speed, side ditch cleaning is carried out through the rotating cleaning roller, and more labor is saved compared with a shovel for cleaning stubborn dirt.

An inspection robot for flues / small tunnels, comprising a moving platform (1), a multi-stage telescopic cylinder, a linear guide rail base (24) and a first driving mechanism. The multi-stage telescopic cylinder is vertically mounted on the moving platform (1), and the first driving mechanism is mounted on the top of the multi-stage telescopic cylinder and is used for driving the linear guide rail base (24) to rotate 360° in a vertical plane; the linear guide rail base (24) is provided with a linear guide rail and a second driving mechanism, and the second driving mechanism is used for driving the linear guide rail to move transversely on the linear guide rail base (24); and two ends of the linear guide rail are respectively provided with a microwave leakage detection module (23) and a synthetic aperture radar system. The inspection robot for flues / small tunnels can implement inner wall inspection at different heights and large angles, and the inspection robot can reduce the structural size by means of extension and retraction and rotation, thereby improving the passability.

The utility model relates to an intelligent detection and alarm sewage reflux prevention device, which comprises a detection pipe, which is arranged on the side wall of a vertical section of a public vertical pipe at a fixed height from the ground and is communicated with the public vertical pipe; the end cover is arranged at one end of the detection tube to seal the detection tube; the probe is arranged on the end cover and used for detecting the water level in the detection pipe; and the alarm is arranged on the end cover and is used for giving an alarm according to a signal of the probe. Due to the dual effects of gravity and water flow impact, the vertical section of the public vertical pipe is not prone to being blocked, the blocked part is usually located on the buried horizontal section, in the sewage back-flushing process, sewage enters the detection pipe firstly and then is detected by the probe before back-flushing into a resident house, and then the alarm gives an alarm. Due to the fact that regurgitation occurs for a period of time from the time when the alarm gives an alarm to the time when indoor regurgitation occurs, sufficient time can be provided for dredging and dealing with the horizontal section of the public vertical pipe as long as the alarm acts in time.

A cloud server has memory for storing computer readable instructions and a processor for executing the computer readable instruction. A pipe inspection video is received for storage in a video storage container. A plurality of frames is extracted from the pipe inspection video. A plurality of receiver containers is formed to perform artificial intelligence operations the plurality of frames in parallel. The plurality of frames is sent to the plurality of receiver containers to obtain metrics relating to the pipe inspection video. The plurality of frames is returned to the video storage container. The plurality of frames is compiled into a processed pipe inspection video.

A system for detecting a flow restriction in a drainage pipe with two liquid level sensors (10) one on each side of an inlet (7) to output a liquid level signal. A controller C compares the signals indicates a restriction if the signals differ too much. A liquid level sensor module (8) for sensing the liquid level in a pipe, having a circular body (17) releasably retained and to sealed in a port (14). The body (17) supports a liquid level sensor (10) to sense the liquid level. The module may be in a T shape housing. A condensate drain pump system with a pipe manifold has an inlet duct (31) at the top connected to a condensate outlet O and leading to a transverse outlet duct (32) with a liquid level sensor (10) at one end and a pump P at the opposite end to pump out liquid when the sensed level is too high.

To improve the workability of backfill injection in lining installation where a rehabilitation pipe is inserted into a deteriorated existing pipeline, by resolving difficulties in managing the injection volume of cement milk and controlling the pressure of the backfill material that may cause deformation or damage to the lining pipe, cement milk is injected at a constant pressure into the annular space between the two pipes.SOLUTION: In a pipeline lining installation involving backfill injection, a lining pipe R is installed within an existing conduit P, and the upstream and downstream pipe ends of both the lining pipe R and an annular backfill space K are sealed; thereafter, a flowing water W from the upstream side is pressure-injected into the interior of the lining pipe R, while the injection pressure (internal pressure) of the water W is increased in conjunction with the injection pressure (external pressure) of a backfill material M, such that the backfill injection is performed under elevated pressure, and the discharge of the flowing water W through the lining pipe R is continuously maintained.SELECTED DRAWING: Figure 1

The utility model provides a multi-power silt pumping device. The multi-power silt pumping device comprises an air compressor; a silt suction pump; the at least one silt suction and flow rising mechanism is used for extending into the to-be-dredged unit, each silt suction and flow rising mechanism comprises at least one sludge suction port, and a top outlet of each sludge suction port is communicated to an air source pipeline and a suction and flow rising pipeline which are arranged in parallel, and the air source pipeline is communicated to an air compressor; the free overflowing pipeline and the pumping pressure overflowing pipeline are respectively communicated to the tail end of the suction upflow pipeline and are arranged in parallel, and outlets at the other ends of the free overflowing pipeline and the pumping pressure overflowing pipeline are communicated to a sludge collecting unit; and the pumping pressure overflowing pipeline is provided with a silt suction pump. The silt pumping device is simple in structure and convenient to carry.

A system, device, and method for communicating distress signals through a plumbing control system is provided. The system includes a plumbing controller configured to operate at least one plumbing appliance, at least one distress indicator in communication with the plumbing controller, and at least one distress sensor in communication with the plumbing controller. Activation of the at least one distress sensor causes activation of the at least one distress indicator.

The invention discloses a sewage suction tank with sewage filtering and flowback functions, which structurally comprises a tank body and is characterized in that an upper filter plate is arranged on the upper side in the tank body, a rear cover is arranged at the tail part of the tank body, and a sewage suction pipe and an anti-overflow check valve are arranged at the top of the tank body; a lower filter plate is hinged to the lower face of the upper filter plate, one end of the dirt suction pipe is connected with a dirt suction hose, the other end of the dirt suction pipe is connected with a dirt suction flow guide pipe, a flow-back pipe is arranged on the upper side of the dirt suction flow guide pipe, a blanking cap is arranged at the tail discharging end, and a non-return cover and a limiting bolt are arranged at the lower end of the flow-back pipe. The upper filter plate, the lower filter plate and the rear cover of the tank body form a stock bin V1, and the upper filter plate, the lower filter plate and the front seal head of the tank body form a water accumulation bin V2. After a sewage suction tank body is transformed, sewage is sucked in through a sewage suction pipe, flows through a sewage suction flow guide pipe and enters a stock bin V1, sewage is filtered through a lower filter plate and then enters a water accumulation bin V2, residues and foreign matter are filtered and then concentrated in the stock bin V1, and after the tank body is full of the sewage, a four-way reversing valve is operated, so that a vacuum generation system inflates and pressurizes the tank body; sewage enters the flow-back pipe under the action of gas pressure, flows through the sewage suction flow guide pipe and is discharged through the sewage suction pipe. The transformation method can be implemented on most existing vacuum sewage suction trucks, and has the characteristics of high operability, high practicability and capability of effectively reducing the municipal sewer dredging and cleaning working cost after transformation.