19 results about "Tube drain" patented technology

A system for anchoring an underdrain is disclosed. The underdrain having a top surface, a bottom surface positioned opposite the top surface, a first side, and a second side positioned opposite the first side. A base grout layer is on a floor surface of a water filtration system. A reinforcement structure is within the base grout layer, with a protruding portion of the reinforcement structure extending from the base grout layer. A method includes positioning the underdrain on the base grout, with the protruding portion of the reinforcement structure positioned along at least one of the first side and the second side of the underdrain, and installing a fill grout layer onto the base grout layer, with the fill grout layer covering at least a portion of the protruding portion of the reinforcement structure.

The application provides a precise positioning method for sewer pipeline leakage based on a concentration gradient color development principle, and comprises the following steps: S1, fixing a color development tape connected with a deployer in a manhole upstream of a pipeline, allowing the deployer to advance spirally along a central axis direction of the pipeline, and continuously releasing the color development tape in the process, so that the color development tape is radially and tightly pressed and fixedly attached to an inner wall detection area of the pipeline, and is arranged along a spiral track in the central axis direction of the pipeline until the deployer reaches a manhole downstream of the pipeline; S2, continuously injecting a tracer upstream of the pipeline; S3, activating a color development reaction of the color development tape under a sewage environment, so as to form a color development intensity gradient corresponding to a pipeline leakage point in a length direction of the color development tape, and the color development intensity gradient is positively correlated with a pipeline leakage flow; and S4, continuously scanning the color development tape by using a colorimetric analyzer method to obtain color development intensity, and determining the pipeline leakage point and leakage intensity according to the color development intensity and color development tape position information.

The utility model discloses electrical control panel cabinet drainage technical field's a kind of electrical control panel cabinet drainage device, comprising: panel cabinet body, the panel cabinet body lower end is provided with drain hole, the bottom of panel cabinet body is provided with anti-inversion mechanism and guiding mechanism, the anti-inversion mechanism includes drain groove, the drain groove is assembled in panel cabinet body bottom end, drain port is opened in the inside of drain groove, the bottom fixedly connected with drain guide pipe at drain port, the drain guide pipe bottom end is assembled with external drain pipe, the inner wall of drain guide pipe is fixedly connected with fixed disc, the inside of fixed disc is opened with through slot, the lower end of fixed disc is provided with baffle. Realize that the electrical control panel cabinet drainage device can be prevented from inverting and protect, avoid the phenomenon that rainwater inverts and enters the inside of electrical control panel cabinet in the case of larger external rainwater, baffle plugs through slot, external rainwater inverts cannot pass through through slot, ensure the safety of device, improve the practicality and security of device.

The application discloses a valve tightness test device and belongs to the technical field of valve test, which comprises a pressurizing box, a water injection pipe and a water discharge pipe connected to the front and rear ends of the pressurizing box respectively, a plurality of connecting pipes arranged on the side wall of the pressurizing box, and control valves arranged on the water injection pipe, the water discharge pipe and the connecting pipes; an adapter seat which is detachably connected to the connecting pipes and communicates with the connecting pipes at one end and communicates with the valve at the other end; a plurality of limiting mechanisms detachably arranged on each adapter seat; the test device can be used to test and detect the valve at the construction site before being installed on the pipeline, fills the vacancy of the construction site without corresponding test equipment, significantly improves the construction efficiency, does not have the risk of site flooding caused by leakage in unified water discharge detection, reduces the cost, and can simultaneously test and detect a plurality of valves to be tested, and can separately process or replace the detection of the problem valve, is high in flexibility, and is good in detection effect.

The utility model discloses a kind of cross well pipeline detection connecting devices, including arc bottom plate and two adjustable support components, the curvature of the arc bottom plate is matched with drain pipeline, the arc bottom plate is equipped with opening hole on both sides, the opening hole upper end is fixed with magnetic attraction paste, the adjustable support component is connected by buckle mechanism by main pipe, connecting pipe and top pipe, the main pipe lower end is in the shape of a hook, the hook of the main pipe upper end is embedded in magnetic attraction block;The utility model passes through the cross well connecting device of quick installation, adjustable length, can effectively solve the problem that pipeline robot needs frequent artificial handling when cross well detection, realizes the continuous cross well operation of robot.

The utility model relates to the technical field of tubular membrane testing device, disclose a kind of pressure testing device of tubular membrane leak detection, including detection cylinder, and the detection cylinder is fixedly connected with connecting pipe, the connecting pipe outside is provided with the sealing assembly for the sealing of connecting pipe and tubular membrane junction, the drainage pipe is fixedly connected in the detection cylinder front side, the left side surface of the detection cylinder is provided with through-hole, the left side inner wall of the detection cylinder is fixedly connected with waterproof glove, the right end of the waterproof glove is fixedly connected with insertion cylinder, and the insertion cylinder outside is provided with plugging piece. In the utility model, the cooperation of waterproof glove, insertion cylinder and plugging piece is set, so that the operator can insert the hand into waterproof glove through through-hole after discovering the membrane assembly of air leakage, without direct contact with detection liquid, and compared with using long rod type device, it is more handy, convenient to operate, greatly reduces the labor intensity and skill requirement of operator.

Sieve element for a basin drain (100), comprising a base body (170) with at least one sieve opening (182) and a multi-part handle (222), wherein the handle (222) comprises a handle upper part (172) and a handle lower part (176) connected to the handle upper part (172), characterized by that the upper part of the handle (172) comprises a deck section (186) which is bordered by a rim section (188) projecting downwards from the outer edge of the deck section (186), wherein the edge section (188) is bent downwards from the deck section (186), wherein the lower part of the handle (176) has been pressed together with the upper part of the handle (172) in such a way that an upper edge (192) of the lower part of the handle (176) overlaps the edge section (188) of the upper part of the handle (172).

To provide a piping coupling with improved rain water flowing property into a vertical pipe and drainage property.SOLUTION: A piping coupling 3 comprises: a pipe main body 22; a horizontal pipe connection part 23 that is formed on the pipe main body 22 and connected to a horizontal pipe 6; a vertical pipe connection part 24 that is formed under the pipe main body 22 and allows a vertical pipe 7 to be connected thereto; and a rectification member 28 provided inside the pipe main body 22.SELECTED DRAWING: Figure 1

The application relates to the field of electromagnetic valve pistons, and discloses an electromagnetic valve piston assembly with a buffering function, which comprises an electromagnetic valve spool and a connecting pipe, the surface of the electromagnetic valve spool is fixedly provided with a rotating ring, the center of the rotating ring is on the same straight line as the center of the electromagnetic valve spool, one end of the connecting pipe is communicated with a branch pipe, the cross section of the branch pipe is in a Y-shaped structure, one end of the branch pipe away from the connecting pipe is communicated with a water inlet pipe, one end of the connecting pipe is communicated with two water outlet pipes, and the inner wall of the connecting pipe is screw-connected with the surface of the electromagnetic valve spool; the connecting pipe is installed on the surface of the electromagnetic valve spool, one end of the connecting pipe is communicated with the water inlet pipe through the branch pipe, one end of the connecting pipe is communicated with the water outlet pipe, so that the water inlet pipe is connected with a water source, water flow is branched through the branch pipe after entering the water inlet pipe, the impact force is reduced, and the problem that the electromagnetic valve spool is loosened due to the impact caused by excessive water flow pressure is avoided.

The utility model discloses a bottom pan assembly and heat pump equipment belong to household appliance technical field, and bottom pan assembly includes bottom pan body, water level detector and heater, and bottom pan body is equipped with water receiving groove, is equipped with drain and overflow port in water receiving groove, and the height of overflow port is greater than drain and is less than or equal to the height of water receiving groove, through water level detector detection water receiving groove's water level, when the water level that water level detector detects is higher than overflow port, indicates that drain or external drain pipeline possibly exists because freezing jam situation, opens heater to heat water receiving groove at this moment, and the ice melting is accelerated, effectively solve because freezing jam drain problem, reduce because water level is too high and lead to the risk of overflowing from the periphery of bottom pan body.

The utility model relates to a tunnel field, concretely is a kind of tunnel temporary gas supply device, including air compressor, the bottom of tunnel is equipped with several existing inlet and outlet water pipeline, air compressor is connected with one of the inlet and outlet water pipeline through curved pipe and forms ventilation pipeline. When the single-end tunnel shield machine or TBM reaches, needs to carry out machine or remove the ventilation duct in tunnel, because the existing inlet and outlet water pipeline does not affect single-end tunnel shield machine or TBM machine or tunnel back-off removal operation, the air compressor can be used to form the ventilation pipeline through the inlet and outlet water pipeline, maintain tunnel ventilation oxygen supply, the temporary gas supply device structure is simple, convenient to use, and effect is good, and ventilation pipe does not need to be additionally arranged.

The application discloses a sewer pipe network underground pipe detection device, belongs to the technical field of underground pipe detection, and comprises a detection device main body, a positioner and a multispectral camera, the positioner is fixedly installed on the upper surface of the detection device main body, the multispectral camera is fixedly installed at the rear end of the detection device main body, an inner cavity is formed in the detection device main body, a bidirectional servo motor is fixedly installed on the inner wall of the inner cavity, a transmission rod is fixedly connected to the output end of the bidirectional servo motor, and the transmission rod penetrates through the inner wall of the inner cavity and extends to the outside of the detection device main body. The underground pipe detection device has the functions of cleaning the sundries and sludge in front of the underground pipe detection device and cleaning the sludge adhered to the outer surface of the wheel body, the sludge in front of the underground pipe detection device and the sludge adhered to the outer surface of the wheel body are cleaned, the normal movement of the underground pipe detection device is prevented from being affected, and thus the normal underground pipe detection work is ensured.

The present application relates to the technical field of flow measurement, in particular to a sewer pipeline flow monitoring method and system based on an ion sensor array, the method comprising the following steps: determining a target sewer pipeline that needs to be monitored, and arranging an ion sensor array on the target sewer pipeline; constructing a monitoring model for the target sewer pipeline on which the ion sensor array is arranged; constructing a measurement model of the target sewer pipeline and constructing the measurement model in the monitoring model in real time, wherein the measurement model comprises a plurality of measurement packages and communication channels between the plurality of measurement packages; determining predicted arrival data of ion groups at corresponding monitoring points based on the measurement model, collecting actual arrival data of the ion groups at the corresponding monitoring points, and determining actual flow rates and actual flows of the ion groups at the corresponding monitoring points according to the predicted arrival data and the actual arrival data; the response efficiency of sewer pipeline flow monitoring and the accuracy of monitoring can be improved.

The application discloses a kind of semiconductor device processing equipment and vacuum assembly, wherein, vacuum assembly sets water ring vacuum pump, gas-liquid separation tank and electric control cabinet in one box that can be moved conveniently, water injection port, vacuum port and make overflow pipe extend box are set on the box, after making vacuum assembly move to the position that needs to be assembled, make water injection port connect with overflow pipe or make water injection port connect factory service tap or pure water, overflow pipe can be connected factory service drain pipe, easy to assemble, using overflow mode can make water purification before discharge, it is convenient for the reuse or direct discharge of external drain water.In the air inlet, first check valve can effectively avoid water vapor backflow into the vacuum pipeline to pollute the workpiece when the external vacuum fluctuates abnormally, and the first check valve can make the vacuum pipeline closed, so that the adsorption assembly can maintain a certain vacuum degree, protect the cavity of water ring vacuum pump, reduce the cavitation caused by air pressure variation, which is beneficial to ensure the safety of workpiece.

A drain cleaning device includes a housing, a spool assembly supported by the housing, the spool assembly including an inner spool, an outer spool, and a space defined therebetween, the space configured to store a flexible cable. The spool assembly is configured to rotate about an axis of rotation. The drain cleaning device can include a motor supported by the spool assembly, including an output shaft, and a battery receptacle supported by the spool assembly, configured to receive a battery pack that supplies power to the motor. The spool assembly defines an outer diameter measured through the axis of rotation, wherein the spool assembly defines a height measured in a direction parallel to the axis of rotation; and wherein a ratio defined by the outer diameter of the spool assembly to the height of the spool assembly is between 2.5 and 3.5.

The utility model relates to a device technology field of washing away, especially is reverse osmosis membrane precision dosing device of washing away, including the medicine storage bucket, the middle part of the bottom of medicine storage bucket vertical penetration in the middle part of the top of measuring cylinder, the outlet end of measuring cylinder transversely penetrates one side of the placement container, the middle part of the other side of placement container transversely penetrates the liquid outlet pipe, and the liquid outlet pipe outlet end is equipped with the shunt pipe, the inside of placement container is equipped with the reverse osmosis membrane. The device can accurately control the amount of liquid medicine flowing into the measuring cylinder through the cooperation of the medicine discharge pipe at the bottom of the medicine storage barrel and the flow control valve, and the scale on the outer wall of the measuring cylinder facilitates accurate control of the amount of medicine. The bottom end delivery pipe can stably deliver the liquid medicine to the placement container through valve A and liquid pump A. The shunt pipe is divided into a reflux pipe and a drain pipe, and the liquid pump B, valve C and reflux valve can realize the switching of cleaning liquid circulation and discharge, which can save liquid medicine and improve cleaning efficiency.

The utility model discloses a liquid cooling host computer and magnetic stimulation therapeutic instrument of magnetic stimulation therapeutic instrument, and liquid cooling host computer includes: host computer casing, water tank sets up in the inside of host computer casing, liquid sight glass is connected on host computer casing, and liquid sight glass is equipped with vent and air release, and vent is located the top of liquid sight glass and communicates with outside atmosphere, and the first communication pipeline is communicated between air release and water tank, adds and drains the pipeline, and the pipe orifice of one end communicates with water tank, and the other end adds and drains the pipe orifice and is located the outside of host computer casing, and adds and drains the pipeline and can supply the water of outside to enter water tank. Through additional setting and water tank communication adds and drains the pipeline, through adding and draining the pipeline to add water to water tank, and the air release of upper portion of liquid sight glass is not blocked in the process of adding water, and the water adding speed of water tank is faster, and on the basis that can utilize liquid sight glass to observe whether water level height in water tank adds to the set height, improves the water adding speed of water tank.