412 results about "Sump pump" patented technology

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 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 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 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 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 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.

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 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.

The utility model relates to the technical field of high-pressure cleaning of sewage pump pits, in particular to an improved full-automatic backwashing valve which comprises a valve body, a valve body cavity is arranged in the valve body, a water outlet and a water inlet are arranged on the left side and the right side of the upper portion of the valve body respectively, an elbow is installed at the water outlet of the valve body, and a water inlet connector is installed at the water inlet of the valve body. An upper valve cover is installed at the bottom end of the valve body, a lower valve cover is installed at the bottom end of the upper valve cover, an oil cavity is formed between the upper valve cover and the lower valve cover, an upper rubber diaphragm is installed at the bottom in a valve body cavity, a floating ball is arranged on the upper rubber diaphragm, a lower rubber diaphragm is installed at the bottom in the oil cavity, an adjusting screw is installed on the upper valve cover, and a flow channel is arranged in the upper valve cover and the adjusting screw. The valve body cavity is communicated with the oil cavity through a flow channel; the flow channel is arranged below the upper rubber diaphragm; compared with the prior art, the device is novel and simple in structure and reasonable in design, and the problem that the operation cost is greatly increased due to the fact that a traditional structure needs to be shut down for necessary cleaning or maintenance can be solved.

The utility model relates to the technical field of building engineering discloses a kind of for local hidden well precipitation device in foundation pit, including cushion, the right side of the cushion is close to the middle place and is provided with drainage mechanism, the drainage mechanism is for precipitation, the top left and right sides of the cushion are all provided with multiple dismounting mechanism, the dismounting mechanism is for dismounting, the top of the cushion is close to the middle place and is provided with limiting mechanism, the top of the cushion is fixedly connected with raft, the top left side of the raft is provided with cover mechanism, the top of the cushion is close to the middle place and is provided with antiskid mechanism.In the utility model, start sewage pump, then sewage pump will suck sewage into drain pipe, then pass through water stop ring through drain pipe, and the water stop ring is fixed on the cushion through steel pipe, the water stop ring can stop water in time, realize the effect of preventing silt blockage efficiently, and increase land adaptability.

The utility model relates to the technical field of environmental protection equipment, and discloses a rapid sewage oxidation and digestion system which comprises a sewage tank, a mixer, a mixed impact oxidation reactor, an oxidation tower and a clear water tank, a sewage pump is arranged between the sewage tank and the mixer, a water inlet of the sewage pump is communicated with a water outlet of the sewage tank, and a water outlet of the sewage tank is communicated with a water outlet of the oxidation tower. A water outlet of the sewage pump is communicated with a first inlet of the mixer, an outlet of the mixer is communicated with a water inlet of the mixed impact oxidation reactor, a water inlet of the oxidation tower is communicated with a water outlet of the mixed impact oxidation reactor, and the clear water tank is communicated with the oxidation tower; the device further comprises a multi-ion generator and a circulating water pump, the multi-ion generator is communicated with the mixer, and the circulating water pump is communicated with the oxidation tower and the mixer. The sewage treatment device is suitable for treating sewage containing toxic and harmful organic matters, can quickly digest toxic and harmful matters in the sewage, and solves the problem of secondary pollution of the sewage.

The application provides a drying base station and a scrubber with automatic sewage recovery. The drying base station with automatic sewage recovery comprises a base station body, the base station body has a bottom box and a back box, a connecting pipe corresponding to a sewage box of the scrubber is arranged on the outside of the back box, a sewage tank for storing sewage is arranged on the inside of the back box, and a sewage pump for pumping sewage from the connecting pipe to the inside of the sewage tank is arranged on the inside of the back box; an air outlet pipe corresponding to a rolling brush of the scrubber is arranged on the top of the bottom box, a bottom of the air outlet pipe is provided with an air uniformizing cavity in communication with the air outlet pipe, a fan for blowing air into the air uniformizing cavity is arranged on one side of the air uniformizing cavity, a heating component for heating air flow is arranged in the air uniformizing cavity, and a temperature sensor is arranged above the heating component; in the application, the sewage pump is started to pump sewage in the sewage box to the inside of the sewage tank, the capacity of the sewage tank is much larger than that of the sewage box, the frequency of pouring sewage can be significantly reduced, and the convenience of use is improved.

The utility model provides a novel sewage pump, and belongs to the field of pumps. The problem that a sewage pump is easily blocked is solved. The novel sewage pump comprises a pump body with a water inlet and a water outlet, the water inlet of the pump body extends downwards in the axial direction to form a blocking assembly, the blocking assembly comprises a baffle and a plurality of connecting ribs, through holes are formed in the baffle, and the connecting ribs are sequentially distributed at intervals in the circumferential direction along the outer edge of the baffle. The connecting rib, the baffle and the water inlet of the pump body are of an integrally-formed structure, the connecting rib, the baffle and the water inlet of the pump body are structurally matched to form a water inlet cavity, a crushing device is arranged in the water inlet cavity and comprises a rotating cylinder, a crushing cutter head and an auxiliary cutter head, and a plurality of cutter tooth pieces used for crushing and cutting are arranged on the outer edge of the crushing cutter head. The cross section of each cutter tooth piece is of an L-shaped structure, an auxiliary blade is arranged at the lower end of each cutter tooth piece, and a cutting included angle is formed between each auxiliary blade and the lower end of the corresponding cutter tooth piece. The utility model has the advantage of anti-clogging.

The utility model discloses integrated sewage treatment equipment of a spraying production line, which comprises a water collecting tank, a treatment tank arranged on one side of the water collecting tank, an E-shaped inspection well arranged between the water collecting tank and the treatment tank, a grating well arranged on the other side of the water collecting tank, a filter grating arranged inside the grating well, a water inlet pipeline communicated with one side of the grating well, and a water outlet pipeline communicated with the other side of the grating well. A sewage pump is arranged on one side of the bottom of the water collecting tank, the output end of the sewage pump communicates with a feeding pipeline, one end of the feeding pipeline communicates with a water diversion pipe, one end of the water diversion pipe communicates with the interior of the treatment tank, and a plurality of adsorption impurity removal mechanisms are installed in the middle of the treatment tank and comprise suspension wires and a plurality of adsorption balls connected to the middles of the suspension wires. According to the integrated sewage treatment equipment for the spraying production line disclosed by the utility model, sewage generated by the spraying production line can be well filtered, adsorbed and purified by the whole integrated sewage treatment equipment, so that the sewage treatment cost is reduced.

This utility model relates to the field of anti-sludge base technology and discloses a CFD anti-sludge base with a shock-absorbing structure, including a sewage pump body. A support mechanism is provided at the bottom of the sewage pump body, and a fixing mechanism is provided on the outside of the support mechanism. The support mechanism includes a base assembly and a support assembly. The base assembly is located at the bottom of the sewage pump body, and the support assembly is located within the inner ring of the base assembly. This CFD anti-sludge base with a shock-absorbing structure, through the provided support mechanism, uses a support ring to support the sewage pump body via a rubber gasket and a retainer. When the retainer is subjected to force, it compresses the rubber gasket downwards, causing deformation and improving the fit between the retainer and the rubber gasket. This enhances the stability of the sewage pump body after it is fixed within the conical base. The flexible connection between the rubber gasket and the retainer, by improving the fit after fixing, avoids gaps and indirectly achieves a shock-absorbing effect.

The invention relates to the technical field of pulping and paper-making factory equipment, and particularly discloses a turpentine recovery system of a pulping and paper-making factory, which comprises an evaporation heavy-dirt condensate water tank, the lower part of the evaporation heavy-dirt condensate water tank is connected with a heavy-dirt water pump through a pipeline, and the heavy-dirt water pump is connected with a condensate water cooler through a pipeline; the condensate water cooler is connected with the bottom of the turpentine separator through a pipeline, an overflow pipe is arranged at the top of the turpentine separator, a regulating valve is arranged on the overflow pipe, and the overflow pipe is connected with the turpentine tank through a pipeline; the bottom of the turpentine separator is connected with a U-shaped pipe, the liquid outlet end of the U-shaped pipe is connected with the heavy-pollution condensate water tank, and a U-shaped elbow of the U-shaped pipe is higher than the ground relative to the liquid inlet end and the liquid outlet end of the U-shaped pipe, so that turpentine can be separated through an overflow pipe at the top of the turpentine separator, but water cannot reach the top of the tank. According to the invention, turpentine in the evaporation heavy sewage tank can be separated, and the evaporation efficiency of the evaporation system is improved.

A computer system for sump pump monitoring and repair service provider notification may include one or more processors configured to: detect that a sump pump is faulty, transmit a prompt for service quotes to a machine learning (ML) chatbot to cause the ML chatbot to: request sump pump replacement or repair services from one or more service providers, receive cost estimates from the one or more repair service providers, receive schedule availability from the one or more repair service providers, receive, from the ML chatbot, the cost estimates and the schedule availability, and communicate the cost estimates and / or the schedule availability to a user associated with the sump pump.

The invention provides a magnetic field coordinated regulation enhanced micro-electrolysis sewage treatment method and equipment, and the method comprises the following steps: regulating the hydrogen ion concentration index of sewage to obtain regulated sewage, pumping the regulated sewage to a water inlet of a micro-electrolysis reaction tower by adopting a lifting pump, aerating the regulated sewage by an aeration device in an aeration area, and then discharging the aerated sewage to a water outlet of the micro-electrolysis reaction tower. Entering a micro-electrolysis reaction tower through a supporting layer; an enameled copper wire coil wound outside the micro-electrolysis reaction tower and iron-carbon micro-electrolysis filler in the tower are utilized to form a magnetic field generating device, a magnetic field is formed in the micro-electrolysis reaction tower, and the size and direction of the magnetic field are regulated in real time according to the quality of effluent; the adjusted sewage treated by the magnetic field overflows to a water collecting tank through a trapezoidal overflow weir, and the water quality of effluent is detected in real time through an online water quality monitoring system below a water outlet; adjusting the hydrogen ion concentration index, the magnetic field parameter and the aeration rate of the inlet water in a linkage manner, and regulating and controlling the micro-electrolysis reaction conditions. The automation level and the treatment efficiency of sewage treatment are improved.

A sump pump system for a residential building has a sump with an inlet that receives water from an external source, a pump positioned with the sump, the pump having a pump inlet in fluid communication with the sump and an outlet in communication with a fluid destination, a valve connected to the inlet of the sump, the valve being movable between an open position in which fluid is permitted to enter the sump via the inlet, and a closed position, in which fluid is prevented from entering the sump via the inlet, wherein the valve is biased toward the closed position, and a valve restraint that is electrically actuated between a first state and a second state. In the first state, the valve restraint holds the valve open and in the second state, the valve restraint releases the valve.

The utility model provides a sewage pump coupling device which comprises an L-shaped pipe, a supporting frame and an L-shaped frame connected with the L-shaped pipe, the L-shaped pipe is fixed above the supporting frame, the L-shaped frame is used for being fixed on a water outlet pipe of a sewage pump, a communicating hole is formed in the L-shaped frame, one end of the communicating hole is communicated with the L-shaped pipe, and the other end of the communicating hole is communicated with the supporting frame. One end of the communicating hole is communicated with the L-shaped pipe, the other end of the communicating hole is used for being communicated with a water outlet pipe of the sewage pump, a fixing plate is connected between the L-shaped frame and the L-shaped pipe, a temperature sensor is fixedly connected to the fixing plate, and the temperature sensor penetrates into the L-shaped pipe, so that the purpose of improving practicability is achieved.

The utility model discloses a full pipe flow intelligent negative pressure collecting system which comprises a negative pressure well, a negative pressure pipe network and a negative pressure station, the negative pressure pipe network is communicated with the negative pressure well and the negative pressure station, the negative pressure station comprises a vacuum tank, a vacuum pump communicated with the vacuum tank and a sewage pump used for sewage conveying, and the vacuum tank comprises a suction pipe and a first water level detector. The first water level detector is in signal connection with the sewage pump, a flow dividing box used for storing sewage and a flow dividing pipe communicated with the flow dividing box are arranged in the negative pressure station, the suction pipe is communicated with the sewage pump and the flow dividing pipe, and a second water level detector is installed in the flow dividing box and is in signal connection with the sewage pump. And the suction pipe is provided with a drain valve I in signal connection with the water level detector I. The device has the beneficial effects that when the system is continuously in a full pipe flow state, the situation that the treatment effect is reduced or the equipment is damaged due to the fact that the amount of sewage needing to be treated by the sewage treatment equipment at the terminal is increased and exceeds the treatment capacity range is avoided.

The invention relates to the field of water pumps, in particular to a sewage pump which comprises a shell, an impeller is rotationally connected into the shell, a drainage pipe is fixedly connected to the upper portion of the shell, a water filtering part is fixedly connected to the lower portion of the shell, the water filtering part is of a cover body structure with the upper end and the lower end being conical, and a plurality of filtering grooves are formed in the lower portion of the water filtering part; a cutting knife is fixedly connected to the lower end of the extending shaft and located in the middle of the water filtering part, a collecting cover is fixedly connected to the water filtering part, an inner cover is fixedly connected to the interior of the collecting cover and surrounds the water filtering part, a gap exists between the inner cover and the water filtering part, and the collecting cover and the inner cover are matched to form a closed space; the sewage pump has the function of protecting the impurity cutting mechanism, and the service life of the cutting mechanism is further prolonged.