549 results about "Sump pump" patented technology

A polishing filter apparatus employed within a sump pump system for removing mineral oils, natural ester, and synthetic ester-based fluids from an emulsion is provided. The polishing filter apparatus is connected to a sump pump barrier via a polishing filter inlet conduit. Further conduit structures are disposed within the polishing filter apparatus, which lead into a polishing filter cartridge. The polishing filter removes excess synthetic ester-based fluids from a water / oil emulsion fluid flowing therethrough and releases a resultant filtered fluid. The polishing filter cartridge contains a filtration media with a hydrophilic composition for the capture of synthetic ester-based fluid having a surface tension dissimilar to water, and the hydrophilic composition of the media has a surface energy greater than or equal to 35 dynes per centimeter.

The invention provides a water pump cooling structure and a sewage pump, and relates to the technical field of water pump cooling. The water pump cooling structure comprises a motor shell, a flow guide cover and a cooling spacer bush. The cooling spacer bush is mounted on the outer wall of the motor shell, so that a cooling cavity is formed between the cooling spacer bush and the motor shell; a plurality of backflow holes and a plurality of flow guide holes are formed in the motor shell at intervals in a staggered mode, the backflow holes and the flow guide holes are located at the bottom in the cooling cavity, the flow guide cover is installed on the motor shell, a flow guide channel is formed between the flow guide cover and the motor shell, and the flow guide holes are located in the flow guide channel; a medium backflow cavity, a backflow hole and a flow guide hole are formed in the bottom of the motor shell; and an impeller is arranged in the medium backflow cavity, so that the cooling medium can flow to the flow guide hole from the backflow hole. The sewage pump comprises a water pump cooling structure. The technical effect of improving the cooling effect of the water pump motor is achieved.

The invention discloses a fault detection method suitable for a permanent magnet motor sewage pump, and particularly relates to the technical field of motor equipment operation fault detection.The fault detection method comprises the following steps that stage division is conducted on the operation process of the permanent magnet motor sewage pump, and staged dynamic baselines corresponding to all operation stages are established; extracting transient abrupt change of the operating parameters under the dynamic baseline constraint and forming a transient abnormal event sequence; the method comprises the following steps: judging the damage degree grade of a transient abnormal event, continuously accumulating risk integrals, outputting early warning information when a risk reaches a trigger condition, and generating an operation disposal instruction; according to the invention, by constructing a staged dynamic baseline and extracting a transient abnormal event, accurate identification of abnormal behaviors in different operation stages is realized; and in combination with a continuous accumulation mechanism of the damage degree grade and the risk integral, when the risk reaches a triggering condition, an early warning is output, and an operation disposal instruction is generated, so that the accuracy, timeliness and operation safety of fault detection of the permanent magnet motor sewage pump are improved.

The invention provides a rainwater and sewage pump station operation and maintenance management control system and method, and relates to the field of rainwater and sewage pump station operation. The operation and maintenance management control system for the rain sewage pump station comprises a rain sewage inlet pipeline, a liquid level control module, a flow control module, a data analysis and processing module, a dynamic optimization module, a fault prediction module, a decision support module and a user interface module, and then when to start or stop the work of the water pumping station is automatically judged. According to the system and the method, the start-stop sequence and the operation mode of the pump are automatically optimized by setting a dynamic optimization mode and analyzing real-time data according to the load condition and the rainwater flow of the pump station, so that the higher energy utilization rate is realized, and the unnecessary energy consumption is reduced; the system can adapt to different operation conditions and environment changes through the dynamic optimization module, and it is guaranteed that the pump station can operate efficiently under various conditions.

The present invention discloses a fabric cleaning machine with a water circulation function, comprising a sewage tank, a clean water tank, a machine body base and a machine body upper cover, wherein the machine body base is internally provided with a sewage pump and a suction motor, the sewage pump and the suction motor are mounted between the machine body upper cover and the machine body base, the machine body upper cover is provided with a main switch, the main switch is fixedly connected with the machine body upper cover, the filtering assembly is connected with the sewage pump, and the clean water tank is connected with the sewage pump. The present invention has the following beneficial effects that the purposes of recycling water and being more convenient to use and place are achieved.

The invention relates to the technical field of sewage treatment, and discloses a sewage pump station control method and device based on pollution reduction and carbon reduction combined adjustment. Preprocessing the multi-dimensional data of the pump station to delete abnormal data; constructing a target function according to minimum carbon emission and maximum pollution discharge capacity of the pump station, and establishing target constraint conditions in combination with factors such as operation time, electric quantity and water level of the pump station; searching a parameter solution of pump station operation according to a star-graffiti optimization algorithm; according to the searched parameter solution of the pump station operation, predicting the carbon emission and pollution discharge capacity by using a carbon emission and pollution discharge capacity prediction model; and when the comprehensive fitness function value of the carbon emission and pollution discharge capacity is greater than a preset threshold value or the number of iterations is greater than a preset number of iterations, outputting an optimal parameter solution of pump station operation as an optimal control strategy.

The utility model relates to an integrated prefabricated pump station which comprises a pump station shell, a water inlet pipe and a water outlet, the water inlet pipe and the water outlet are arranged on the side wall of the pump station shell, a sewage cavity communicated with the water inlet pipe is arranged in the pump station shell, a smashing basket communicated with the water inlet pipe is arranged in the sewage cavity, and a smashing mechanism is arranged in the smashing basket. The crushing mechanism comprises a driving assembly, a rotating shaft and blades, the driving assembly is located at the upper end of the crushing basket, a partition plate is horizontally arranged in the middle of the crushing basket, the rotating shaft is vertically and rotatably connected below the partition plate, the blades are circumferentially and uniformly distributed on the outer wall of the rotating shaft, and the water inlet pipe is also located below the partition plate; sewage pumps are arranged in the sewage cavity side by side and are communicated to the water outlet through the top end of a water outlet pipe. Large-particle impurities are continuously cut up by the crushing mechanism until the large-particle impurities can flow out of the filter holes, so that the sewage pump cannot be blocked; the floating ball detection devices are installed on the two sides of the sewage pump, the floating ball at the lower end ascends or descends according to the water level, the alarm device is controlled, the sewage pump is adjusted in time, sewage discharge is controlled, and immeasurable losses are avoided.

The utility model discloses an odor treatment device for a municipal sewage pumping station, which relates to the technical field of odor treatment and comprises a water washing tank, an adsorption tank is arranged on the outer wall of the top of the water washing tank, an adsorption tank is inserted into the bottom of the inner wall of the adsorption tank in a sliding manner, biological stuffing is filled in the adsorption tank, and a material turning assembly is arranged on the inner wall of the adsorption tank. And the material turning assembly is located above the adsorption tank, the material turning assembly is matched with the adsorption tank, and the material turning assembly comprises installation blocks installed on the inner walls of the two sides of the adsorption tank in a sliding mode. According to the biological filler overturning device, extracted air washed by the washing tank is introduced into the adsorption tank and is adsorbed by the biological filler, the material overturning sheet descends and is inserted into the biological filler, and the servo motor drives the threaded rod to rotate to drive the fixed block to move, so that the material overturning sheet is driven to slide back and forth in the biological filler to overturn the biological filler. The influence on gas deodorization caused by hardening of the biological filler in the use process is prevented.

The utility model relates to the field of sewage treatment, in particular to a sludge discharge device for sewage treatment, which comprises a sludge treatment box, a sewage inlet pipe and a collection box, the sewage inlet pipe is arranged on the left side of the sludge treatment box, a sewage pump is mounted on the sewage inlet pipe, and a waterproof servo motor and a filter pressing plate are arranged in the sludge treatment box. The sewage treatment device disclosed by the utility model has the beneficial effects that the filter pressing plate and the waterproof servo motor are matched for use, so that impurities in sewage can be quickly and effectively separated from a water body, and the sewage treatment efficiency is improved; the design of the movable baffle can prevent sludge from entering the sewage inlet pipe or influencing the normal operation of the scraper, so that the smooth operation of the system is ensured; and the arrangement of the telescopic hose, the drainage pipe and the water pump ensures the effective discharge of the filter-pressed clear water without manual intervention, so that the automation degree is improved.

The present invention discloses a waste liquid recovery system for a large storage tank, and relates to the technical field of retirements of radioactive storage tanks. The present invention includes a control terminal, a transition tank, a water storage tank, a water-ring vacuum pump, a water mist separator, a high-pressure water spray apparatus, a solid waste collecting and weighing apparatus, and a sewage pump, where the transition tank and storage tank is connected with two ends of a recovery pipeline respectively; the water storage tank is provided with a ventilation valve, a solid-liquid separator, and a rotary stirring apparatus; the transition tank is connected to an inlet port of the solid-liquid separator; and a waste water outlet port of the water storage tank is connected with the sewage pump. According to the present invention, solid-liquid separation, a simple structure and a high automation degree are achieved.

Systems and methods are described, which relate to internet-of-things (IoT) feedback systems, in which data received from a given IoT device may be analyzed by a controller and used as a basis for controlling another IoT device and / or sending an alert to a user. The controller may activate a dehumidifier upon detecting activation of a sump pump. The controller may monitor water level data and alert a user and / or request maintenance of the sump pump upon detecting the water level exceeds a threshold. The controller may monitor dishwasher data to detect suboptimal performance of a dishwasher, in response to which the controller may instruct valves of a manifold and water heater to close to isolate the dishwasher, and instruct a water softener to elevate salt levels of softened water during a self-cleaning cycle of the dishwasher.

The utility model provides a filter device of a sewage pump, which relates to the technical field of sewage pumps, and comprises a filter body, the filter body comprises a sleeve, a filter plate is embedded at the top of the sleeve, a mounting rack is arranged at the top of the sleeve, a cleaning assembly is rotatably connected between the mounting rack and the filter plate, and the cleaning assembly is connected with the filter plate. Through the arrangement of a dredging assembly, after water flow enters a sleeve, the dredging assembly is firstly driven to incline towards one side, then under the action of the lever principle and the balance principle, the mounting plates on the two sides are driven to do up-down reciprocating motion, and in the moving process, the dredging assembly is driven to move upwards and downwards; firstly, the mounting plate is limited through the limiting plate, the inclination angle of the mounting plate is prevented from being too large, secondly, blockages in the filter tank are ejected out under the action of the dredging plate, the dredging effect is achieved, the dredging assembly moves in a reciprocating mode, smoothness of the filter tank can be kept all the time, and therefore the stability of the device in the using process is improved.

The utility model relates to a drainage system for a coffee machine and a coffee purifying and drinking all-in-one machine, which comprise a water pan, a sewage container with a water inlet and a water outlet, and a sewage pump, the water pan is provided with a water outlet, the water outlet is communicated with the water inlet through fluid, the sewage pump is an impeller pump, and the water outlet is communicated with the water outlet through fluid. A water inlet interface of the sewage pump is in fluid communication with the water outlet, and a water outlet interface leads to a sewer. Liquid contained in the water receiving plate flows into the sewage container and then is discharged into the sewer through the sewage pump, a user does not need to frequently pour the water receiving plate, the use experience of the user is improved, the purifying and coffee drinking all-in-one machine has the functions of direct drinking purified water output, milk foam output and coffee output at the same time, and the purifying and coffee drinking all-in-one machine is suitable for popularization and application. And the water receiving plate is used for receiving dropping liquid of the direct drinking opening, the milk foam opening and the coffee opening respectively, so that waste liquid generated in various functions can be discharged through the drainage system.

The utility model provides a portable large-flow sewage pump which comprises a motor assembly and a pump shell, the pump shell is arranged at the output end of the motor assembly, a cavity is formed in the pump shell, an impeller is arranged on an output shaft of the motor assembly, the impeller extends into the cavity, the pump shell and the motor assembly are detachably connected, a connecting hole is formed in the middle of the impeller, and the connecting hole is communicated with the cavity. The impeller and an output shaft of the motor assembly are fixed through a screw, the cavity comprises a water inlet and a water outlet, the diameter of the water inlet is larger than that of the impeller, a necking ring is further detachably arranged in the water inlet, and the diameter of an inner hole of the necking ring is smaller than that of the impeller. The impeller is fixed to the output shaft of the motor assembly through screws, so that the impeller can detach the water inlet, when the impeller needs to be overhauled or replaced, the pump shell does not need to be detached, a sealing piece between the pump shell and the motor assembly is prevented from being damaged, meanwhile, replacement is more convenient, the diameter of the water inlet is reduced through the necking ring, and therefore the flow and lift are controlled.

The present invention relates to a method for accurately estimating the external water inflow rate and inflow points of a sewage pipe network based on model prediction. By establishing a sewage pipe network model, it is possible to accurately estimate the river water inflow rate and inflow points entering the sewage pipe network, and obtain the dynamic changes in the external water inflow volume, avoiding the influence of the pumping station operation conditions when interpreting the readings of the pipe network flow meters, and providing a quantitative management tool for the external water investigation, operation, and maintenance of the sewage pipe network. Reducing the external water inflow is an important guarantee for ensuring the normal operation of the sewage pipe network. After reducing the external water in the sewage pipe network, the liquid level of the sewage pipe network can be lowered, preventing sewage overflow during the rainy season and reducing the occurrence of water environment pollutant events caused by sewage overflow. In addition, reducing the external water entering the sewage pipe network can also increase the actual sewage collection capacity of the sewage pipe network, increase the sewage pollutant concentration, and improve the sewage treatment efficiency of the urban sewage treatment plant. After the external water is blocked, the flow rate of the sewage pump station decreases significantly, and the sewage concentration increases significantly.

The utility model discloses a dosing device which comprises a treatment pond, a transverse moving assembly is installed at the top of the treatment pond, two main pipes are symmetrically and rotationally connected to the movable end of the transverse moving assembly, and a plurality of short pipes are fixedly arranged on the outer surfaces of the two main pipes in a penetrating mode. A plurality of water distribution holes penetrating into the short pipes are formed in the outer surfaces of the short pipes; and auxiliary transmission assemblies are jointly mounted between the two main pipes and the treatment tank. According to the sewage treatment device, through the arrangement of the transverse moving assembly, the main pipe, the short pipe, the water distribution holes, the auxiliary transmission assembly, the rotating connector, the flow dividing pipe, the water tank, the chemical supply assembly, the water outlet sewage pump body, the water inlet sewage pump body, the double-shaft motor, the fixing pipe and the water inlet pipe, chemicals are added into sewage through flowing water, and in the adding process, the sewage can be stirred, so that the sewage treatment effect is improved. Bottom sewage, middle sewage and top sewage can be quickly mixed with a medicament, so that the sewage treatment efficiency is improved.

The present invention discloses an intelligent monitoring device for a sewage pumping station, and relates to the fields of municipal engineering and intelligent control technology. The control system of the existing sewage pumping station mainly relies on fixed control strategies and manual operations, which is difficult to adapt to the complex and changeable operating environment, resulting in high energy consumption, increased equipment wear and reduced system reliability. With the development of artificial intelligence technology, it is possible to improve the operation and management level of sewage pumping stations by introducing intelligent control methods. The present invention proposes an efficient and intelligent sewage pumping station control method by combining hydraulic models and artificial intelligence models, which can significantly improve the operating efficiency and energy-saving effect of the pumping station, and has broad application prospects. Improve the operating efficiency and energy-saving effect of sewage pumping stations. Enhance the adaptability and robustness of the system, and be able to cope with complex and changeable operating environments. Reduce equipment wear and maintenance costs, and extend the service life of equipment. Improve the reliability and safety of sewage lifting.

The invention relates to a cleaning system and a base station, the cleaning system comprises a cleaning device and the base station, the base station comprises a base and a pollution discharge assembly, the base is provided with a pollution discharge port, the pollution discharge assembly is arranged on the base, and the pollution discharge assembly comprises a pump body unit, a pollution suction pipe and a pollution discharge pipe. The liquid inlet side of the pump body unit is constructed to be communicated to the sewage outlet through the sewage suction pipe, and the liquid discharge side of the pump body unit is communicated to the sewage discharge pipe; the pump body unit is provided with an inner cavity, and the pump body unit is configured to be started and generate negative pressure under the condition that liquid exists in the inner cavity so as to pump out sewage flowing in from the sewage outlet. According to the cleaning system and the base station, the structure of the base station can be simplified, and the size of the base station is reduced.

The utility model discloses a washing cleaning structure of a floor mopping robot, the floor mopping robot comprises a frame, a walking driving assembly, a rolling sweeping assembly, a refuse hopper, an air draft assembly and a washing assembly, the washing assembly comprises a water distributor, a washing rolling brush, a water scraping brush strip and a water absorption scraper which are arranged in sequence from front to back, the water scraping brush strip is provided with water scraping brush bristles, and the water absorption scraper is provided with a water outlet. A water absorption channel is formed in the water absorption scraper; a plurality of nozzles are arranged on the lower surface of the water segregator; the frame is provided with a rolling brush driving motor corresponding to the washing rolling brush, and the rolling brush driving motor is in driving connection with the washing rolling brush; the frame is further provided with a clean water tank, a sewage tank and a clean water pump, the sewage pump, the clean water tank, the clean water pump and the water segregator are sequentially connected through pipelines, and the sewage tank, the sewage pump and the water suction rake are sequentially connected through pipelines. Through the structural design, the floor sweeping robot is novel in structural design, and the floor cleaning effect of the floor sweeping robot can be effectively improved.

A sump pump system and shelf system for storing a second sump pump is disclosed. The sump pump system may have a sump pump basin, first sump pump, first discharge pipe, a shelf system, a second sump pump stored on the shelf system, and second discharge pipe is disclosed / Shelf system has a shelf secured to the first discharge pipe and a support member of the shelf system raises shelf above at least a portion of the first sump pump. The shelf is secured to the first discharge pipe and placed on the support member. The shelf provides a stabilizing surface for the second sump pump above the first sump pump while maintaining a compact sump pump system. The shelf is shaped to align with a curve of the sump pump basin and to be able to be placed over one or more components of the first sump pump.

The utility model provides a pond backflow cleaning and floating device, and belongs to the technical field of treatment of suspended impurities in wastewater. Comprising a mounting frame, a box body, a collecting basket, a sewage pump, a medicament tank and a monitor, an adjusting bolt is arranged at the top of the mounting frame, and the box body is movably mounted on the mounting frame through the adjusting bolt; a water inlet allowing water to flow in is formed in one side of the box body, the collecting basket is installed in the box body, and filtering holes are formed in the collecting basket; the sewage pump is positioned in the box body and is opposite to the water inlet so as to guide water flow into the box body and the collecting basket; the medicament tank is positioned in the box body and is used for performing medicament adding treatment on the water flow entering the box body and the collecting basket; a monitor is arranged on the mounting frame and transmits the detected water flow condition to a remote control unit in a signal form, and the remote control unit controls the operation states of the sewage pump and the medicament tank according to the detected water flow condition.

The utility model relates to the technical field of cutting devices, in particular to a sewage pump cutting device, which improves the crushing treatment effect and treatment efficiency of dirt, and improves the reliability of cutting and crushing the dirt by cutting and crushing the dirt twice; it comprises a cylinder and multiple groups of conveying pipes, the multiple groups of conveying pipes are all connected and arranged on the upper part of the outer side wall of the cylinder, and an inlet is arranged at the bottom end of the cylinder; it also comprises a driving device, a crushing device, a conveying box, multiple groups of first blades and multiple groups of second blades, the output ends of the multiple groups of conveying pipes are all connected with the conveying box, the top end of the conveying box is connected with the input end of the sewage pump, the multiple groups of first blades and the multiple groups of second blades are all installed on the driving device, and the multiple groups of first blades and the multiple groups of second blades are staggered, the driving device is used to drive the multiple groups of first blades and the multiple groups of second blades to rotate in opposite directions, the crushing device is arranged inside the cylinder, and the crushing device is used to crush the dirt twice.

The invention belongs to the technical field of equipment fault monitoring, and particularly discloses and provides an industrial sewage treatment equipment operation fault monitoring system which comprises a primary fault monitoring module, a secondary monitoring judgment module, a secondary fault monitoring module and a fault early warning execution terminal. The primary fault monitoring module compares the real-time parameters of the sewage pump with a preset threshold value, determines the fault level when the parameters exceed the threshold value, and starts the early warning execution terminal; when the primary monitoring is normal, the secondary monitoring judgment module outputs a signal grade through conjoint analysis by combining historical health data of the equipment and multiple parameters of the water collecting well, and when the signal grade is high, the secondary fault monitoring module is started; the secondary fault monitoring module sets a time window according to a health index, calculates an operation parameter related index, adjusts a threshold value in combination with water quality, and counts a fault trend emergency degree; and finally, the fault early warning execution terminal realizes graded accurate monitoring and timely early warning, can adapt to complex working conditions, and reduces equipment damage and production loss.

Described methods and systems user to manually activate or engage the pump from a remote location and / or to monitor the state of the sump pump (e.g., the water level, the pump condition, pipe conditions, etc.) when located at a remote location relative to the sump pump. A sump pump system may implement sensors configured to detect motion or acceleration of a sensor disposed in water in the sump basin or disposed on a sump pump or pipe. The sump pump system may analyze data from these sensors to identify diagnostic metrics or values that are transmitted to a user's user interface device, thereby notifying a user of conditions such as a stuck impeller, a blocked pipe, a dry pumping pump, etc.

The invention discloses a multi-stage filtering device and a filtering process for grinding fluid of a grinding machine, and the multi-stage filtering device mainly comprises a supporting bottom frame, a filtering box, a horizontal filter, a sewage pump, a static ring settling box, a static ring water pump and the like. Efficient stepped precipitation of the grinding fluid is realized, the pressure of the horizontal filter is greatly reduced, the filtering effect is improved, and the service life is prolonged. The innovative design of the static ring settling tank is combined with hoisting equipment, so that sludge is quickly cleaned, and manpower is saved. The second settling tank shaped like the Arabic numeral seven and the guide rail are designed to provide sufficient walking space for the horizontal filter, and cleaning is convenient; the waste output ends of the paper filter and the magnetic filter are arranged in different directions, and the waste mixed loading problem is solved. In addition, the device is further provided with intelligent monitoring facilities such as an ultrasonic liquid level meter, a liquid level alarm, a water supplementing pipe and an electromagnetic valve, and stable operation is ensured.

The invention relates to the technical field of sewage pump control, in particular to a sewage pump multi-parameter intelligent control method based on a bidirectional LSTM neural network. According to the method, firstly, multiple types of sensors for flow, impurity concentration and the like are installed in a sewage conveying system, and the operation parameter acquisition function of a servo motor body is utilized to obtain system operation data in real time, transmit the system operation data to a data processing unit for preprocessing, and arrange the data according to a time sequence to form a sample set; and next, constructing an adaptive neural network model, selecting a proper network structure, determining the number of nodes in each layer, an activation function, a loss function and an optimization algorithm, and performing training and performance evaluation on the model by using the divided training set, verification set and test set, so that the model has good generalization ability. During actual operation of the sewage pump, data collected and preprocessed in real time are input into the trained neural network model, the model outputs sewage pump control instructions such as rotating speed adjustment, start-stop control and fault early warning, a motor controller is driven to regulate and control operation of the sewage pump according to the control instructions, and meanwhile a real-time monitoring and alarming mechanism is set. And the running state accords with prediction. Intelligent and precise control over the sewage pump is achieved, the operation efficiency can be effectively improved, energy consumption is reduced, the service life of equipment is prolonged, the system stability is enhanced, and the system can adapt to various complex working conditions.

The utility model relates to the technical field of sewage treatment, and discloses a closed cooling tower for cooling sewage, which comprises a bottom plate, a cooling tower and a sewage tank, and cooling mechanisms are arranged in the cooling tower and the sewage tank. High-temperature sewage is pumped into the U-shaped pipe through the first pump machine, cooling water can directly cool the high-temperature sewage due to the fact that the bottom of the U-shaped pipe is immersed in the cooling water, meanwhile, the cooling water is pumped into the spraying pipe through the second pump machine and sprayed out through the multiple spraying heads, and the high-temperature sewage can be secondarily cooled through the cooling water sprayed out of the spraying heads; a motor is started to rotate a hollow pipe, the hollow pipe drives an annular pipe to rotate to stir high-temperature sewage, so that the high-temperature sewage can flow, cooling water is continuously input into the annular pipe by the hollow pipe, and the high-temperature sewage can be uniformly cooled by the cooling water; the cooling speed of high-temperature sewage can be greatly increased through multiple times of cooling, and the sewage treatment efficiency is improved.

The utility model discloses a novel intercepting and sucking device which comprises an intercepting module used for intercepting sundries, a sucking module is fixed at the tail of the intercepting module, the output end of the sucking module is connected with a mounting barrel, a sewage pump is mounted at a water inlet of the mounting barrel, and the sewage pump is partially or completely arranged in the mounting barrel. A barrel sealing seat is arranged on the inner side wall of the installation barrel in the circumferential direction, a pump sealing seat is arranged on the outer side wall of the sewage pump in the circumferential direction, the barrel sealing seat and the pump sealing seat are attached in a sealed mode, and high-pressure water flowing out of the sewage pump is prevented from flowing back to a water inlet of the installation barrel again. Water flow containing impurities enters the suction device after passing through the interception module, then is pressurized by the sewage pump, flows through the sewage pump and the cavity for installing the barrel body, and finally flows out from the water outlet of the barrel body. According to the utility model, sundries in various pump stations under different conditions can be cleaned, the safety is high, and the operation is simple.

The utility model discloses an environment-friendly vacuum unit which comprises a vacuum chamber and a circulating water tank, a cleaning mechanism used for cleaning solid impurities in the circulating water tank is arranged on the circulating water tank, the cleaning mechanism comprises a suction mechanism, a filtering mechanism and a backflow mechanism, the suction mechanism comprises a mounting bin, a sewage pump and a suction end, the filtering mechanism is a filtering tank, and the backflow mechanism is a backflow mechanism. The backflow mechanism comprises a first water pump and a backflow opening. By mounting the mounting bin and the suction end, when impurities in the circulating water tank need to be cleaned, the motor and the sewage pump are started, the pipeline and the suction end move at the bottom of the water tank to suck the impurities, the sucked impurities are conveyed to the filter tank through the sewage pump, sewage enters the filter tank and is filtered by the filter cartridge, and the sewage is filtered by the filter cartridge along with starting of the first water pump. The filtered clean water is conveyed back into the circulating water tank through the return pipe, so that the environment-friendly water jet vacuum unit can efficiently clean impurities in the circulating water tank, and the resource utilization rate and the overall performance of the unit are improved.

The utility model relates to the technical field of pipe pile hole cleaning, in particular to a hole cleaning device suitable for a prestressed pipe pile, which comprises a fixed pipe pile, a circulating assembly is arranged at the top of the fixed pipe pile, the circulating assembly comprises a fixed frame, and the fixed frame is fixedly connected to the top of the fixed pipe pile. A high-pressure water pump is fixedly connected to the inner wall of the fixing frame, a high-pressure water pipe fixedly communicates with the bottom of the high-pressure water pump, a sewage pipe is movably connected to the interior of the fixing pipe pile, and a sewage pump fixedly communicates with one end of the sewage pipe. According to the hole cleaning device suitable for the prestressed pipe pile, the circulating assembly is installed, sludge soil at the bottom of the pipe pile is washed through a high-pressure water pump, sludge, silt and sundries in the pipe pile are mixed with water, and the mixed sundries enter the pipe pile through filtering holes of an outer pipe to be filtered for the second time; and the water subjected to secondary filtration enters a secondary sedimentation tank through a sewage pipe, and enters the high-pressure water pump again through a water pumping pipe for use.