5607 results about "Water circulation" patented technology

The present invention provides a water circulation structure for a motorcycle engine, belonging to the technical field of motorcycles. It solves the technical problems of insufficient compactness of the existing engine water circulation structure and affecting the circulation effect. The water circulation structure of this motorcycle engine includes a reversing housing located on one side of the cylinder block. The reversing housing has a liquid inlet chamber and a liquid outlet chamber separated by a thin wall. The thin wall has a liquid passing port communicating the liquid inlet chamber and the liquid outlet chamber. Both ends of the water circuit are respectively communicated with the liquid inlet chamber and the liquid outlet chamber. The inner wall of the liquid inlet chamber has a liquid inlet for communicating with the cooling water tank, and the inner wall of the liquid outlet chamber has a liquid outlet for communicating with the cooling water tank. The thermostat is located in the liquid outlet chamber, and one end of the thermostat closes the liquid outlet. The other end of the thermostat is arranged towards the liquid passing port. After being heated, the thermostat can close the liquid passing port and open the liquid outlet. The present invention can ensure a sufficient circulating cooling effect while improving the structural compactness.

The invention belongs to the technical field of intelligent regulation and control, and discloses an aquaculture pond water quality remote intelligent regulation and control system based on edge calculation. The method aims at solving the problems that in traditional water quality regulation and control, due to data transmission delay, model simplification neglects the coupling effect, and equipment regulation and control lack collaboration. Water quality parameter data are obtained in real time through a parameter acquisition module, a micro-coupling analysis module constructs a parameter micro-coupling matrix at edge nodes, a short-term fluctuation relation is analyzed, a dynamic regulation and control weight is generated, and then a local regulation and control instruction is formed. And the uploading coupling prediction module uploads the data to a cloud end, constructs a long-term coupling prediction model and generates a global regulation and control strategy. And finally, the edge node generates a final regulation and control instruction in combination with the local instruction and the global strategy, and optimizes the working states of the oxygenation equipment, the bait casting equipment and the water circulation equipment. Real-time accurate regulation and control are realized through edge calculation, and the risk of abnormal water quality is reduced; the efficiency is improved through equipment collaborative optimization, and resource waste is reduced.

The invention belongs to the technical field of ship bearings, and particularly relates to a ship bearing radial loading test bench and method for simulating ice load and water immersion working conditions, and the method comprises the steps: installing a to-be-tested intermediate bearing on a test platform, enabling the intermediate bearing to sleeve a test shaft, starting a cooling water circulation system to control the flow, cooling water enters a cooling water coil pipe to establish oil pool cooling circulation; a driving motor is started; a test shaft stably operates through equipment such as a reduction gearbox and the like; a dynamic pressure lubrication state is established, a radial dynamic load or a stable constant load is applied through a hydraulic loading system to simulate an icebreaking load working condition, and a simulated water body is injected into a water tank; the test conditions of the intermediate bearing in a ship immersion environment are constructed through water pressure adjustment, the temperatures of lubricating oil, a bearing bush and cooling water are monitored in real time, the loading force is adjusted through feedback data, and the performance of the intermediate bearing is judged after the test is finished. The problems that ice excitation and soaking environment simulation are insufficient and a loading structure is eccentric in the prior art are solved, and high-precision cooling and thermal stability evaluation are achieved.

The invention discloses a circulating water temperature control method and system for thermal power generation, and relates to the related technical field of thermal power generation, and the method comprises the steps: collecting real-time monitoring data of condenser outlet water temperature, cooling tower inlet water temperature and environment temperature and humidity data, and generating a dynamic thermodynamic feature set; dynamic compensation analysis is conducted by combining the unit load fluctuation rate and the cooling tower fan rotating speed; according to the temperature gradient change of the circulating water, temperature control deviation is used for correction; cooling water circulation control is conducted on a circulating water system of thermal power generation by predicting the cooling water amount adjusting amount, predicting the temperature overshoot risk level and configuring a control instruction set. The technical problems that in the prior art, due to the fact that a circulating water temperature control model is insufficient in precision and a control strategy lacks dynamic adaptability, the circulating water temperature control precision is insufficient, and the risk cannot be effectively estimated are solved, the temperature overshoot risk is early warned in advance, and the technical effect of improving the accuracy of power generation circulating water temperature control is achieved.

The invention provides a concrete regulation and control system and method integrating heat recovery, spraying and gradient control, and relates to the technical field of concrete curing, and the concrete regulation and control system comprises a temperature sensing element and a humidity sensing element which are mounted on reinforcing steel bars in a concrete structure in a layered manner in the depth direction; the cooling water circulating system comprises a water pump and a cooling water pipe, and the cooling water pipe is arranged in the mass concrete structure and externally connected with a variable frequency circulating pump; the double-water-tank system is matched with the heater to realize graded regulation of water temperature; the automatic spraying system is connected with the integrated electric heating module; the heat recovery and circulation assembly is connected with an outlet of a cooling water pipe in the concrete, recovers concrete hydration heat brought out by the cooling water pipe, and transfers heat of high-temperature cooling water with the temperature being 50 DEG C or above to the phase change heat storage tank; the central control unit continuously receives and records monitoring data of the temperature sensor and the humidity sensor and analyzes the monitoring data in real time, and when the temperature gradient or the humidity gradient exceeds the limit, a gradient field control instruction is automatically triggered to achieve energy efficiency maximization.

The invention provides an intelligent data monitoring analysis method and system of a solar seawater desalination system. The method comprises the following steps: calculating condensation efficiency based on annular temperature gradient distribution data and phase change characteristic data according to the phase change characteristic data and environment temperature data of steam in a condensation pipe in a condensation process; the condensation efficiency and the environment temperature data are input into a pre-trained reinforcement learning parameter optimization model, and in combination with physical constraint conditions of the condensation structure, flow adjusting parameters and deflector deflection angle adjusting parameters of all subareas are generated; and the flow adjusting parameters and the deflector deflection angle adjusting parameters of all the partitions are converted into corresponding electric adjusting valve opening degree instructions, and the adjusting valve opening degrees of the cooling water circulation systems corresponding to the different partitions and the angle of the angle-adjustable deflector are adjusted. The cooling water flow and the deflection angle of the guide plate are optimized in real time through reinforcement learning, and efficient and energy-saving self-adaptive regulation and control of the condensation system are achieved through temperature and phase change data monitoring.

The invention discloses a big data-based machine tool fault diagnosis and analysis method and system. The method comprises the following steps of: acquiring signal data of each part of a machine tool by utilizing a sensor; carrying out de-noising processing on the acquired signal data; the de-noised signals are decomposed by using successive variational mode decomposition, screening is carried out based on a Pearson's correlation coefficient, and the unscreened signals are fused and then are subjected to signal reconstruction with the screened signals; the method comprises the following steps: constructing a fault diagnosis model based on an Adaboost-Reformer integrated algorithm, and optimizing hyper-parameters of the Reformer model by using an improved water circulation optimization algorithm; the reconstructed signals are divided into a training set and a test set, the training set is input into the optimized model for training, machine tool signals collected in real time are input into the trained model after being subjected to denoising and reconstruction processing, and corresponding fault categories are obtained. The method can effectively extract fault features from the multi-mode sensor signals and perform accurate diagnosis, has strong robustness and high efficiency, and is suitable for intelligent fault diagnosis of industrial equipment.

The invention relates to the technical field of sewage treatment, in particular to a dynamic control method applied to a culture tail water circulation treatment system. The method comprises the following steps: continuously detecting aquaculture tail water on a water inlet pipeline, calculating the ratio of chemical oxygen demand to five-day biochemical oxygen demand as a first degradation index, and calculating the ratio of ultraviolet absorbance to total organic carbon concentration as a second degradation index; according to the first degradation index and the second degradation index, identifying aging complementary and range complementary organic load degradation characteristics, and determining a process treatment path based on the organic load degradation characteristics; performing primary pretreatment on the aquaculture tail water in different process treatment paths to obtain intermediate water quality data; detecting the ammonia nitrogen concentration of the intermediate water quality data, and extracting the time change rate of the ammonia nitrogen concentration as an ammonia nitrogen conversion parameter. According to the invention, the oxygen utilization efficiency and the removal rate of organic matters and nitrogen are improved through regional dissolved oxygen and function configuration optimization.

The invention belongs to the field of air treatment equipment, and particularly relates to a water carrier negative ion generating device. Comprising a water carrier anion generating structure and a water supply device, the water carrier negative ion generation structure generates negative air ion airflow and water mist in an internal and external airflow duct mode, and water carrier negative ions are output after the water mist is guided to flow in the same direction and mixed through the injection effect of the negative air ion airflow; the water supply device supplies water to the water carrier negative ion generation structure in the mode that water is stored below the water carrier negative ion generation structure, condensate water is recycled, and water is transferred and conveyed from the upper portion of the water carrier negative ion generation structure. According to the water supply system, long-distance water carrier negative ion conveying can be provided, stored water, supplied water and condensed water can form a closed-loop water circulation system, compared with a traditional open type water supply system, the water saving rate is remarkably increased, and the loss of the condensed water is reduced.

The invention discloses a bullfrog three-dimensional breeding system and an accurate feeding control method, and the bullfrog three-dimensional breeding system is characterized in that the bullfrog three-dimensional breeding system comprises a modular breeding unit, a gradient water level adjusting device and an interlayer isolation water circulation system, the three-step type three-dimensional framework is divided into a bottom layer tadpole pond, a middle layer froglet net cage and a top layer adult frog breeding bin, a control module is installed on each layer, and anti-escape assemblies are installed on the middle layer froglet net cage and the top layer adult frog breeding bin; the gradient water level adjusting device comprises a bionic step and a water level sensor which are arranged and installed, and the water level gradient adjusting and behavior inducing functions are achieved through engineering design. The interlayer isolation water circulation system comprises a distributed sensor, a UV sterilization and biological membrane filtration dual purification assembly and an adjustable air curtain, the adjustable air curtain forms a directional barrier between different layers of the three-dimensional culture system by dynamically regulating and controlling airflow, and independent environmental parameters of each layer are maintained.

The invention discloses a heat allocation system based on a heat pump. The heat allocation system comprises a water tank; a water source heat pump; an air source heat pump; a cooling tower; a cooling water circulation system; a hot water circulation system; a chilled water circulation system; an exhaust heat recovery system; wherein the water tank, the water source heat pump, the air source heat pump, the cooling tower, the cooling water circulation system, the hot water circulation system, the chilled water circulation system and the exhaust heat recovery system are connected with one another to realize heat allocation, especially heat allocation of a coating pretreatment electrophoresis production line of a vehicle body or parts forming the vehicle body; according to the system, heat generated when the heat pump / refrigerating unit produces chilled water and / or heat taken away in exhaust air can be recycled and used for heating the heat using tail end. Therefore, the heat which is wasted originally can be fully utilized, the energy consumption is reduced, and the utilization efficiency of energy is improved.

The invention discloses an automatic mixing water tank for a sediment density flow circulation test, comprising a water tank which is divided into a test pool and a muddy water pool by a lifting gate; the water circulation system comprises a clear water recovery pool and a muddy water recovery pool, the clear water recovery pool is used for injecting water into the test pool, the muddy water recovery pool is used for receiving muddy water discharged from the test pool, the clear water recovery pool is communicated with the muddy water recovery pool, and a muddy water filter is arranged at the communication part; the silt mixing unit comprises a silt storage tank, a mixer and a layered pressure measurer, the silt storage tank is used for releasing silt to the muddy water pool, the mixer is used for stirring in the muddy water pool, and the layered pressure measurer is used for monitoring the sand density of different water layers in the muddy water pool in real time; and the control system is used for controlling the water circulation system and the silt mixing unit to carry out automatic mixing.

The invention relates to the technical field of coal chemical industry, in particular to a coal gasification black water circulation and black water waste heat recycling system and method. The coal gasification black water circulation and black water waste heat recycling system comprises a synthesis gas washing tower, a high-pressure flash tank, a low-pressure flash tank, a black water heat exchanger, a vacuum flash tank, a settling tank, a grey water tank, a low-pressure flash steam stripping tower and a high-pressure flash steam stripping tower. The coal gasification black water treated by the coal gasification black water circulating and black water waste heat recycling system can be reused as circulating water of a synthesis gas washing tower, so that the cyclic utilization of water resources is realized, the use of fresh water and the discharge of waste water are reduced, and the production cost and the environmental pressure are reduced. Meanwhile, the problem that a black water pipeline is scaled and blocked due to high temperature is solved, waste heat of the black water can be fully replaced for effective utilization, carbon is reduced, energy is saved, the purpose of cooling the black water is achieved, the cooling cost of a vacuum flash evaporation system is saved, and continuous and reliable economic benefits are created for enterprises.

The invention discloses an energy-saving injection molding machine with a heat recovery function and a use method, and belongs to the technical field of injection molding of injection molding machines, the energy-saving injection molding machine comprises a workbench and an injection molding machine main body mounted on the workbench, the injection molding machine main body comprises an injection molding module, a feeding module, a movable mold and a fixed mold, and the movable mold and the fixed mold are mounted on the injection molding module; the waste heat recycling mechanism can send cooling water with heat in a waste heat recycling area to the preheating pipe, the heat exchanger collects the heat and sends the heat back to the preheating pipe through the heat conduction pipe, the feeding barrel is preheated, the working time of the heater is shortened, heat recycling is achieved, and the energy-saving effect is improved. The refrigerator refrigerates the cooling water again, so that the cyclic utilization rate of the cooling water is improved, the use amount of the cooling water is reduced, the environment-friendly and energy-saving performance of the injection molding machine is further enhanced, and by arranging a control valve, a temperature sensor, a filter screen, a protective shell, heat preservation cotton and the like, stable operation of equipment is guaranteed, and the energy-saving effect is improved.

The invention belongs to the technical field of coated paper, and particularly relates to a coated paper humidifying water recycling device which comprises an operation box, an opening communicated with the outside is formed in the top of the operation box, a box cover matched with the opening is arranged at the top of the operation box, and a first recycling body is connected to the box cover. A first recycling main body is arranged on the bottom wall of the operation box, a second recycling main body is arranged on the bottom wall of the operation box, the first recycling main body and the second recycling main body are arranged in a matched mode, a horizontally-arranged operation frame is arranged in the operation box, two symmetrically-arranged first supporting plates are fixedly connected to the operation frame, and two symmetrically-arranged baffles are connected to the inner wall of the operation box in a clamped mode; and the two baffles are matched with the operation frame. By means of the device, coated paper can be evenly humidified, the humidified coated paper can be dried in time, it is avoided that the coated paper is mildewed or bred with bacteria due to the fact that the coated paper is placed in a humid environment for a long time, and water used in the humidifying process of the coated paper can be effectively recycled.

The invention discloses a hydrothermal management system and method of a fuel cell and a fuel cell system. A cooling water circulation subsystem comprises a water inlet pipeline, a water outlet pipeline and a circulation module; the circulating module is used for controlling the cooling water to circularly flow in the fuel cell; the hydrothermal control subsystem comprises a control module, a power supply module, a temperature adjusting module and a signal acquisition module; the power module is used for providing electric signals for the temperature adjusting module. The temperature adjusting module is used for adjusting the temperature in the fuel cell according to the power supply signal; the signal acquisition module is used for acquiring the water inlet temperature, the water outlet temperature and the battery plate temperature of the fuel cell; the control module is used for acquiring the temperature of the water inlet, the temperature of the water outlet and the temperature of the battery pole plate in real time, controlling the working state of the circulation module and controlling a power supply signal provided by the power supply module to the temperature regulation module, and the scheme realizes accurate regulation and control of the temperature of the fuel cell, improves the output performance of the fuel cell and prolongs the service life of the fuel cell.

The utility model relates to the technical field of wear-resisting plate processing, in particular to a wear-resisting plate surfacing tool pressing plate which comprises a cooling water tank, tracks arranged on two sides of the cooling water tank, a portal frame slidably mounted on the tracks, a hydraulic rod fixedly mounted on the portal frame, a top plate fixedly mounted at the bottom of the hydraulic rod, and a pressing plate mechanism arranged at the bottom of the top plate. The pressing plate mechanism comprises a pressing plate, a buckling cover plate is fixedly installed on the upper side of the pressing plate, a heat insulation plate is fixedly installed on the buckling cover plate, and a cooling water tank and a circulating water pump are fixedly installed on the upper side of the heat insulation plate. According to the pressing plate mechanism, the buckling cover plate and the pressing plate at the bottom are used for forming an integral cavity system, the whole cavity system forms a water circulation water cooling system under the action of the cooling water tank and the circulating water pump, and when the pressing plate is connected to the upper side of a wear-resisting machining plate in a pressing mode, the pressing plate can conduct pressing cooling on a welding rear side area; cooling of the welding area is accelerated, and then the abrasion-resistant machining plate is prevented from protruding upwards and deforming.

The utility model discloses a multi-system water chilling unit which comprises at least two heat exchange systems, at least two waterway systems and a combined heat exchanger, and the heat exchange systems can be combined to form or respectively form an independent heat exchange circulation loop by switching the serial or parallel connection state and the opening or closing state of the combined heat exchanger; the water path system can be combined to form or respectively form an independent water circulation loop, so that the heating or refrigerating capacity of the unit is obviously increased; different heat exchange circulation loops are switched and controlled by adjusting refrigerant flowing paths between the multiple heat exchange systems and the combined heat exchanger, and different water circulation loops are switched and controlled by adjusting water medium flowing paths of the multiple water path systems. Therefore, after the water chilling unit is installed, different operation modes can be selected and switched according to different heat or cooling capacity requirements, hot water or cold water with the corresponding capacity and temperature is produced, the heating or cooling capacity of the unit is matched with the actual requirement, the whole equipment or part of elements do not need to be replaced, cost is low, and maintenance is convenient.

The invention relates to the technical field of fish culture water treatment equipment, in particular to a schizopygopsis malabaricus culture water circulation device which comprises a water inlet pipe, a filter plate is arranged at a port of the water inlet pipe, the water inlet pipe is communicated with one end of a temperature control channel and one end of an aeration channel, and the other end of the temperature control channel and the other end of the aeration channel are communicated with a water outlet pipe; the inner wall of the temperature control channel is fixedly connected with two heat conducting plates, one heat conducting plate is fixedly connected with the inner wall of one side of the temperature control channel, the other heat conducting plate is fixedly connected with the inner wall of the other side of the temperature control channel, and the heat conducting plates are hollow. After hot water or ice water is fed into the first containing cavity, the hot water or the ice water penetrates through the heat conduction plates and enters the second containing cavity, the temperature of the heat conduction plates can be increased or decreased, the hot water or the ice water is located in water flow between the heat conduction plates, the water flow is surrounded by the hot water or the ice water, and the heat exchange efficiency is further improved.

The invention discloses a steam compression system and a control method thereof. The steam compression system comprises a flash tank, at least one stage of steam compressor and a first water circulation pipe. The flash tank is used for enabling the steam generation water heated to the specified flash temperature to be subjected to flash evaporation under the negative pressure condition in the tank to become low-pressure steam; the steam compressor is used for compressing the low-pressure steam into superheated steam of which the saturation pressure is target condensing pressure; and the first water circulating pipe is used for guiding water of a target water source to motors of the steam compressors at all levels and exchanging heat with heat dissipation mechanisms of all the motors, and the water subjected to heat exchange returns to the target water source. Compared with the prior art, heat at the motor is recycled through water circulation, so that the enthalpy value of water for steam generation is increased, energy consumption needed by steam generation is reduced, and the comprehensive energy efficiency of the system is improved.

The invention relates to the technical field of hydrogen energy, in particular to a non-catalytic solid hydrogen storage material hydrogen release system and application thereof. The water storage unit is connected with the PEM hydrogen fuel cell reaction unit through a first pipeline; the non-catalytic hydrogen release unit is connected with the water storage unit through a second pipeline; a flow pump and a first electromagnetic valve are arranged on the second pipeline; the first electromagnetic valve is jointly controlled by a pressure sensor and a first flow controller; and the hydrogen buffer unit is connected with the non-catalytic hydrogen release unit and the PEM hydrogen fuel cell reaction unit through a third pipeline and a fourth pipeline respectively. The quick response and efficient hydrogen supply effects of the system are realized by utilizing the characteristic that the non-catalytic solid hydrogen storage material quickly releases hydrogen at a second level under the conditions of near room temperature and low pressure; wastewater generated by the PEM hydrogen fuel cell reaction unit is used as a reaction reagent of the non-catalytic hydrogen release unit, so that water circulation is realized, the amount of water initially carried by the system is reduced, and the weight of the system is reduced.

The utility model relates to the technical field of sewage circulating filtration, and provides circulating filtration equipment for cooking sewage, which comprises a cooking component, the cooking component comprises a cooking barrel, two groups of limiting ring seats are fixedly connected to the upper part and the lower part of one side of the cooking barrel, and filtering components for filtering the sewage are arranged in the limiting ring seats. The bottom of the cooking barrel is fixedly connected with a heating seat, the top of the heating seat is fixedly provided with a heating wire used for cooking sewage, and the back surface of the cooking barrel is provided with a circulating assembly used for circularly filtering the sewage. And meanwhile, the whole sewage circulation work must be stopped during replacement.

A buoyant hydrodynamic pump is disclosed that can float on a surface of a body of water. Wave-driven oscillations result in periodic upward ejections of water inside a downwardly projecting tube that can be collected in a reservoir. Water within such a reservoir may return to the body of water via a turbine, thereby generating electrical power, or the device's pumping action can be used for other purposes such as water circulation, propulsion, dissolved minerals extraction, or cloud seeding.

The invention relates to the technical field of civil construction engineering, in particular to effective utilization of geothermal resources and improvement of an energy exchange system. According to the energy pile, dynamic regulation and control of stratum heat balance are achieved through the active heat management technology, and the influence of heat accumulation on sustainable utilization of geothermal resources is effectively prevented; a composite heat extraction structure is adopted, and the heat absorption efficiency of geothermal resources is remarkably improved; a high-thermal-conductivity energy pile comprises a fixed base body, and a water circulation assembly is embedded in the fixed base body. The water circulation assembly comprises a water pumping assembly, a circulation pipeline and a water conveying assembly which are communicated with one another; a heat absorption device is arranged on the outer side of the fixed base body and comprises a plurality of heat absorption columns which are vertically distributed; the heat absorption column is provided with a heat conduction head embedded into the fixed base body.

The invention discloses a drainage basin hydrological prediction method based on digital twinning, and the method comprises the steps: obtaining multi-source heterogeneous data, carrying out the processing of the multi-source heterogeneous data, and obtaining a multi-source data set; constructing a multi-dimensional spatial feature set according to the multi-source data set; based on the multi-dimensional space feature set, a finite volume method is adopted to simulate a water circulation process, and a water circulation simulation result is obtained; obtaining an error value of the water circulation simulation result and actual observation data, and performing nonlinear relation mining on the multi-dimensional spatial feature set through a neural network algorithm based on the error value to obtain a data driving prediction result; fusing the water circulation simulation result and the data driving prediction result by adopting a weighted fusion algorithm to obtain a fused prediction result; and constructing a digital twinborn model according to the fusion prediction result, and predicting the hydrological state in real time based on the digital twinborn model. The method can provide more effective decision support for water resource management and flood control and disaster reduction.

The invention relates to the technical field of full-focusing phased arrays, and discloses an on-line automatic bar flaw detection method and device based on a full-focusing phased array technology. According to the method, after water immersion type coupling is carried out, array elements of a concave array phased array probe are excited in a plane wave emission mode, multi-angle acoustic beams are formed, and full-matrix echo data are captured; for transverse wave detection, the sound field uniformity is improved by adopting a grouped alternate emission mechanism. Full-domain dynamic focusing is realized through coherent superposition processing, and real-time alarm and mark spraying are carried out on standard exceeding defects in combination with encoder data. The device comprises an off-line automatic calibrator, a conveying roller way, a steel splitting instrument platform, a pinch roll system, a lifting transverse moving platform, an ultrasonic detection host, a mark spraying system, a water circulation system and a PLC system, and efficient and accurate on-line bar flaw detection is achieved.

The invention relates to a multi-meter-position water meter calibrating device, and relates to the field of metering instrument calibration, the multi-meter-position water meter calibrating device comprises a waterway circulation module, a water meter clamping module, a sealed calibration module, a flow detection module and a water quantity metering module, the waterway circulation module can drive calibration water to circularly flow in a circulation pipeline, and the water meter clamping module comprises a plurality of meter positions to be calibrated; the plurality of meter positions to be detected are arranged on the circulating pipeline in series, the sealed detection module is connected with the water meter clamping module, the flow detection module and the water quantity metering module are respectively arranged on the circulating pipeline, the flow detection module comprises a plurality of flow meters, scale grids of the plurality of flow meters are different, one of the plurality of flow meters is selected to be connected on the circulating pipeline, and the water quantity metering module is connected with the water meter clamping module. The water quantity metering module comprises a plurality of water quantity meters, the scale grids of the water quantity meters are different, one of the water quantity meters is selected to be connected to the circulating pipeline, and the water meter verification accuracy and verification efficiency can be improved.

The invention discloses a flue gas component optimization device and method for assisting thickened oil recovery and application. The flue gas component optimization device comprises a flue gas trapping process and a flue gas injection process, and a flue gas trapping device, a flue gas deoxidizing device and a flue gas treatment and injection system are sequentially arranged between the flue gas trapping process and the flue gas injection process; the flue gas treatment and injection system comprises a flue gas dust removal and dehydration system, a nitrogen content control system and a flue gas multi-stage pressurization system which are connected in sequence, and further comprises an electrical control system for control and a water circulation heat exchange system for heat dissipation. According to the method, the utilization rate of the flue gas is increased, environmental pollution is reduced, emission of greenhouse gas is reduced, the production cost is reduced by recovering the flue gas and injecting the flue gas in proportion according to the requirements of different driving and discharging composite three-dimensional development stages, the oil extraction speed is increased, and the oil recovery efficiency is improved. And the method is widely applicable to super-heavy oil and super-heavy oil reservoirs adopting driving and discharging composite three-dimensional development.

The utility model relates to a water supply pipeline quality detection device, and relates to the technical field of pipeline quality detection. According to the device for detecting the quality of the water supply pipeline, after the water conveying pipe, the first connecting pipe, the circulating pump, the water supply pipeline, the connecting bin, the water outlet pipe and the water return pipe are sequentially communicated, a water circulation loop can be formed for detecting the water supply pipeline; an adjusting mechanism limiting spring is arranged in the connecting bin, and water is continuously injected into the water supply pipeline section in cooperation with a circulating pump, so that the water pressure in the water supply pipeline section is increased till water can pass through the connecting bin, and at the moment, the water pressure in the water supply pipeline section is stable; the quality of the water supply pipeline under the conditions of stable water pressure and water flowing can be detected, and normal operation of a water supply system is effectively guaranteed.

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.