46 results about "Hydronic balancing" patented technology

The invention discloses a hydraulic intelligent balance regulation and control method and platform for multiple systems of a heat exchange station, and relates to the technical field of hydraulic balance of central heating systems, and the method comprises the steps: obtaining the real-time operation data of multiple heating systems of the heat exchange station, calculating the heat consumption data of a unit area, analyzing the hydraulic unbalance, and obtaining a hydraulic supply state parameter set; temperature change parameters of the heat exchange station are monitored, and a climate compensation adjustment curve is constructed in combination with hydraulic unbalance indexes; collaboratively optimizing the two to generate a multi-system valve control instruction set; adjusting and monitoring according to the instruction set and then feeding back and backtracking, and constructing a hydraulic balance regulation and control strategy to realize intelligent control. The technical problems that due to the fact that regulation and control of the multiple heat supply systems of the heat exchange station are lack of pertinence and collaboration and inaccurate in state judgment, heat supply is uneven and energy consumption is too high are solved, and the technical effects that the operation states of the multiple systems of the heat exchange station are precisely controlled and cooperatively adjusted, heat supply balance is improved, and overall energy consumption is reduced are achieved.

The invention belongs to the technical field of energy consumption management, and particularly relates to an energy consumption optimization control method and system for heating and ventilation equipment, and the method comprises the steps: constructing a distributed pump set architecture, and converting a transmission and distribution system from a centralized regulation and control mode into a distributed regulation and control mode; developing adaptation technology and equipment; establishing a dynamic hydraulic balance regulation and control model by combining a digital twinning technology and an intelligent algorithm; the dynamic regulation and control model is used for optimizing the pump set operation state and the valve opening degree in real time; by constructing a distributed pump set framework, the system can independently adjust the rotating speed of the pump units according to the actual requirements of different sub-areas, the adaptability of the system to different working conditions and load changes is greatly improved, and the heating and ventilation requirements of all the areas can be more accurately met; the problem of excessive energy supply or insufficient energy supply of partial areas caused by overall adjustment in a centralized regulation and control mode is avoided, so that the overall operation efficiency and comfort of the system are effectively improved.

The invention discloses a hot water circulation efficiency optimization method in a building heat supply system, and belongs to the technical field of building energy management and heat supply control. Comprising the steps that 1, historical operation data and current system parameters of the building heat supply system are obtained; 2, constructing a three-dimensional working condition feature library containing load features, time dimensions and operation modes, and calculating the occurrence probability and importance coefficient of each working condition in advance; 3, current operation data of the building heat supply system are collected in real time; step 4, identifying the type of the current operating condition of the system, and obtaining a feature weight corresponding to the operating condition; 5, performing quantitative evaluation on the hydraulic balance, the thermal distribution characteristic and the energy consumption level of the system under the current working condition, and generating a working condition operation characteristic evaluation report; and 6, judging whether the current operation state meets a preset efficiency standard or not according to the working condition operation characteristic evaluation report.

The application discloses a parallel cooling tower group hydraulic balance adjusting device and a parallel cooling tower group, and belongs to the technical field of centralized central air conditioner hydraulic balance adjusting. The device comprises a shell, a water inlet channel for cooling circulating water, at least two water outlet channels for discharging the cooling circulating water, and a static pressure shunt cavity connecting the water inlet channel and the water outlet channel; a shunt plate is fixed in the static pressure shunt cavity and abuts against the top wall surface and the bottom wall surface of the static pressure shunt cavity, so that the static pressure shunt cavity is divided into at least two shunt cavities with equal volumes; wherein the water inlet channel comprises a first end and a second end, the first end extends into the static pressure shunt cavity, and is arranged to be inclined towards the top wall surface of the static pressure shunt cavity. The application can ensure equal distribution of water flow on both sides of the cooling tower and minimize the total resistance of the cooling water system.

The utility model discloses a loop circulation system based on natural gas verification. The loop circulation system comprises a loop unit, a temperature control unit, a flow control unit, a flow detection unit and a main control unit, natural gas circulates in the loop unit; the temperature control unit comprises a heat exchanger arranged on the loop unit and a cooling unit connected with the heat exchanger; the cooling unit comprises a hydraulic balance device, a refrigerating unit, a water return pipe group and a water outlet pipe group; a regulating valve and a compensating heater are arranged on the water outlet pipe group; a first return pipe group and a second return pipe group are arranged between the water outlet pipe group and the return pipe group; the flow detection unit comprises a working-grade standard flow meter and a detected flow meter which are arranged on the loop unit; the flow control unit comprises a circulating fan and a backflow regulator which are arranged on the loop unit; according to the system, the temperature, the pressure and the flow of the natural gas in the loop can reach the preset range quickly and accurately, the maintaining capability is high, the verification precision is high, and operation is easy.

This invention provides an energy-saving optimization and hydraulic balance regulation system for heating systems, relating to the field of heating system technology. It includes a data acquisition and detection module; a digital twin and simulation prediction module; a network-wide balancing module for adjusting the operating parameters of the heating system based on the output of the digital twin and simulation prediction module; an energy-saving control module; a terminal control module for adjusting indoor temperatures collected by a room temperature detection device; an operation management module; and a fault diagnosis and early warning module. This invention, by constructing a digital twin model of the heating system, reduces the probability of data distortion in the twin model and deviations from actual simulation predictions caused by complex underground or outdoor environments where pipe networks are often located, sensors are susceptible to low temperatures and corrosion, and data transmission is prone to delays or interruptions. Furthermore, the system directly transmits data to field equipment via a cloud-edge-device collaborative system, eliminating the need for manual relay and reducing delays and operational errors.

The application discloses a kind of multi-user centralized heating pipe network temperature balance control adjustment method, through actual indoor and outdoor temperature, historical operation data prediction heat load, control valve opening adjustment actual circulating flow and the deviation between design flow, calculate predicted load return water temperature, carry out thermal and hydraulic balance adjustment to primary network, then carry out thermal and hydraulic balance adjustment to secondary network, then carry out thermal and hydraulic balance adjustment to each user unit, repeat the above steps to make heat network whole reach thermal and hydraulic balance state.The application can effectively alleviate the adjustment difficulty caused by strong coupling and hysteresis between primary and secondary network and different users, greatly improve the work efficiency of heat network temperature balance adjustment, reduce the time and energy of traditional heat network consumption personnel, improve the overall coordination and scheduling capability of heating system, avoid the waste of heat and electricity caused by traditional heat network adjustment mode, and the uneven heating and high complaint rate caused by water and thermal imbalance.

The application discloses a kind of electronic factory warm water system hydraulic balance rapid debugging method, first according to design drawing build simulation model including pressure boundary, main supply return water pipe, branch pipe, balance valve and equivalent resistance loss element, balance valve is adjusted to intermediate ring number, corresponding resistance coefficient is input to simulation model, then each branch balance valve is adjusted to intermediate ring number, the pressure drop, flow and main supply return water pressure of each branch balance valve under current working condition are measured, and input simulation model calculates the resistance coefficient that each branch equivalent resistance loss element needs to be set, combined with design flow, the most unfavorable branch balance valve opening degree is set to 1, the resistance coefficient and ring number of other branch balance valve adjustment are calculated, and balance valve is actually adjusted to corresponding ring number and locked, adjust pump speed to make total flow standard, realize hydraulic balance.The application combines simulation and field test, all balance valves are considered as a whole, compared with traditional manual debugging and hydraulic calculation method, the setting ring number of all balance valves can be given at one time, with high accuracy and short debugging time.

The application discloses a control method and device of an air conditioner and a control system of the air conditioner, and belongs to the technical field of air conditioner control. The fan-coil unit of the air conditioner comprises multiple wind discs, the multiple wind discs comprise a first wind disc which is turned on and a second wind disc which is not turned on, and the control method of the air conditioner comprises the following steps: determining a target number based on a first number of the first wind disc; determining a third wind disc with the target number from the second wind disc; and controlling a two-way valve of the third wind disc to be turned on to a first target opening degree, wherein the third wind disc is used for balancing the pressure difference caused by the first wind disc. According to the method, the number of the third wind disc which needs to be bypassed in the second wind disc is determined according to the number of the first wind disc in the fan-coil unit, the two-way valve of the third wind disc is controlled to be turned on to the first target opening degree, the hydraulic balance of the water system of the air conditioner can be realized without installing a pressure difference bypass valve, the installation cost of the air conditioner can be saved, and the air conditioner leakage problem caused by the installation of the pressure difference bypass valve can be avoided.

This invention discloses a centralized heating overall optimization control method and system, comprising: adjusting the opening of dedicated balancing valves at other control points of the secondary network based on the hydraulic state indication value of the most unfavorable loop in the secondary network; adjusting the opening of the primary side electrically adjustable valve of the heat exchange station in real time through the flow control variable of the primary side electrically adjustable valve; realizing active variable flow operation of the secondary side of the heat exchange station through the circulation flow control variable of the circulating water pump on the secondary side of the heat exchange station; and calculating the setpoint of the heat source supply water temperature based on the basic setting and compensation value of the heat source supply water temperature, implementing supply water temperature control, and combining the minimum pressure difference on the primary side of the most unfavorable heat exchange station to achieve variable flow operation, thereby realizing the matching of heat supply and demand between the source and the network. This method is based on the hydraulic balance of the secondary network and gradually moves towards the heat source to achieve effective control of indoor temperature, meet the user's heating quality and thermal comfort requirements, and minimize the energy consumption and pollutant emissions of the heating system, actively responding to the national "dual carbon" strategic goal.

The application discloses a heat supply secondary network personalized regulation and control method based on a large model and multi-modal portraits, and comprises the following steps: acquiring multi-modal data of each heat user of a heat supply system secondary network, performing feature extraction and importance analysis by using a large model, and then constructing each heat user portrait of the secondary network; performing information extraction on each household operation mode of the heat supply system secondary network, combining the heat user portrait selected for the household operation mode, and generating an operation mode portrait of the household operation mode by using the large model; inputting each heat user portrait and the operation mode portrait of the secondary network into the large model for matching analysis, and outputting personalized operation mode recommendation results and recommendation rhetoric for each heat user; after recommending the selected operation mode to the heat user, training and optimizing a household regulation and control large model of the heat supply system secondary network according to the operation mode selected by the heat user, the heat user portrait and the established household regulation and control knowledge graph, combining hydraulic balance mechanism knowledge of the heat supply network, and outputting a household regulation and control strategy of the secondary network.

The application discloses an intelligent monitoring and hydraulic balance implementation method of a capillary tube network system, and belongs to the field of intelligent regulation and control of building heating, ventilation and air conditioning. The method solves the problems of low efficiency of traditional manual debugging and inability to maintain hydraulic balance for a long time. The scheme is as follows: first, intelligent monitoring nodes are arranged at key node positions to collect data, the data are uploaded to a central control system through an edge computing gateway, a built-in hydraulic network calculation model is used to solve system states and output hydraulic imbalance degrees, when the hydraulic imbalance degrees exceed the limit, the system is inversely calculated and encrypted target opening degree instructions are issued to each loop digital twin driven electric balance valve, a closed loop regulation is performed by an embedded controller of the valve, and finally, after installation is completed, a full-automatic initialization debugging is performed, initial opening degree compensation values of the digital twin driven electric balance valves are calculated and written into valve embedded controllers, and presetting is completed. The application is used for realizing automatic construction and continuous and accurate regulation and control of hydraulic balance of the capillary tube network.

The application discloses a kind of based on mechanical pressure difference measuring instrument's hydraulic balance artificial regulation method and device, belong to central heating technical field.Mechanical pressure difference measuring instrument includes transparent tubular body with scale, both ends are equipped with end sealing assembly, inside is equipped with piston assembly and elastic piece, piston assembly separates internal chamber into high-pressure area and low-pressure area, end sealing assembly is equipped with pressure guide pipe interface and exhaust valve interface.Hydraulic balance regulating device includes manual regulating valve and the pressure difference measuring instrument in each regulating unit heat inlet.Hydraulic balance artificial regulation: adjust circulating water pump to target working condition and determine required pressure difference;Measure actual pressure difference;Calculate pressure difference deviation rate and preset control interval as regulation precision evaluation basis;According to the comparison result of deviation rate and control interval, adjust manual regulating valve.The application significantly improves the pressure difference measurement precision, can effectively solve the problem of heating system hydraulic imbalance, with the advantages of investment and regulation precision high.

The invention relates to an intelligent regulation and control method for a heat exchange station based on dynamic hydraulic equilibrium regulation and double-room-temperature monitoring and evaluation. By constructing a secondary network topological graph, a flow pressure balance equation is constructed, and the flow pressure balance equation comprises a flow balance equation and a pressure balance equation. According to the pipe network valve opening and closing data and the pipe network flow pressure detection data, the flow balance equation and the pressure balance equation are combined, and preliminary water conservancy balance is obtained; and on the basis, a double-room-temperature evaluation model is constructed, and the heat exchange station is intelligently regulated and controlled according to the obtained building comprehensive room temperature and room temperature dispersion standard deviation coefficient. A dynamic hydraulic equilibrium algorithm and a hydraulic equilibrium decoupling control scheme are constructed based on double-room-temperature evaluation, and the purposes that energy consumption and power consumption are reduced, and the room temperature reaches the standard are achieved.

1. Name of the product in this design: Valve Actuator. 2. Purpose of this design: For hydraulic balance control in heating systems. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses a hydraulic balancer and cooling tower equipment, and relates to the technical field of cooling equipment.The hydraulic balancer comprises an outer cylinder, an inner cylinder and a top plate, a mounting cavity is formed in the outer cylinder, and the outer cylinder is provided with a liquid inlet channel, a liquid outlet channel and a mounting opening which are communicated with the mounting cavity; the inner cylinder is detachably arranged in the mounting cavity, a buffer channel is formed in the inner cylinder, and the buffer channel is communicated with the liquid inlet channel and the mounting cavity; the periphery of the top plate is detachably connected to the mounting opening of the outer barrel, and the top plate is connected with the inner barrel. According to the technical scheme, the problem that an existing hydraulic balancer is integrally formed and is difficult to disassemble during later maintenance can be solved.

The application relates to the technical field of air conditioner control, and discloses a multi-stage pressure difference reset air conditioner variable flow cold water system, which comprises a water supply main pipe, a return water main pipe, at least one riser system, a variable frequency water pump, a microcontroller MCU and a control unit on the network side, the riser system is arranged in parallel between the water supply main pipe and the return water main pipe, and the variable frequency water pump is arranged at the input end of the water supply main pipe; the riser system and the variable frequency water pump are signal-connected with the microcontroller MCU, and the microcontroller MCU is signal-connected with the control unit through a wireless communication module. The application also simultaneously provides a control method of the multi-stage pressure difference reset air conditioner variable flow cold water system. Through the multi-stage pressure difference reset, the application can adapt to the load through cold quantity adjustment, can dynamically carry out hydraulic balance according to actual conditions, can guarantee required flow, can minimize the water pump inlet and outlet pressure difference as much as possible, and can improve water system energy-saving capacity.

The utility model relates to a three-loop hydraulic balance device of a central air-conditioning cooling water system. The three-loop hydraulic balance device structurally comprises a refrigeration station cooling water circulation loop, a tower periphery cooling water circulation loop and a tower top cooling water circulation loop. The utility model has the advantages that the structure design is reasonable, the hydraulic balance of the cooling water system is realized, the uniform water distribution of each water distribution port of the cooling tower can be ensured, the operation efficiency of the cooling tower can be improved, the system is convenient to overhaul and switch, and the cooling water system is suitable for places with high requirements on the hydraulic uniformity of the cooling tower system, especially for places with high energy efficiency of the system. And high-efficiency refrigerating machine rooms and the like are provided.

1. Name of the product in this design: Hydraulic balancer for wall-hung boilers. 2. Purpose of this design: Used in wall-hung boiler water heating systems for hydraulic balance adjustment. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.

This invention belongs to the field of intelligent control technology, specifically disclosing an energy-saving optimization control method and system for building heating systems. By combining the dual feedback of actual indoor temperature and actual return water temperature at each heating terminal, it constructs heat demand characteristics, reflecting the user's actual heating needs more accurately than simply relying on outdoor temperature compensation. Through dynamic grouping of each heating terminal and implementation of differentiated heating control strategies, and by calculating the return water temperature difference dispersion coefficient to correct the hydraulic balance of heating branch pipelines, it effectively solves the hydraulic and thermal imbalance problems and energy waste caused by the traditional heating control method's neglect of uneven heat distribution within the building, resulting in insufficient heating at distant points and overheating at nearby points. This avoids overheating, achieves precise on-demand heating, and effectively saves energy.

This invention relates to the field of mixing station control technology, and discloses a control method, device, equipment, and medium for a mixing station in a centralized heating system. The control method for the mixing station in a centralized heating system includes: determining an initial mixing ratio based on the target heating temperature of the secondary network, the return water temperature of the secondary network, and the supply water temperature of the primary network; determining a load correction coefficient based on the temperature load correction slope coefficient, the ambient temperature, and the standard ambient temperature; correcting the initial mixing ratio based on the load correction coefficient; controlling the opening of the primary network valves of the mixing station based on the obtained target mixing ratio; determining the total flow rate of the secondary network; adjusting the frequency converter of the secondary network circulation pump based on the total flow rate of the secondary network. This invention corrects the initial mixing ratio through the load correction coefficient, and combines it with the ambient temperature to make the obtained mixing ratio more accurate. The frequency converter of the secondary network circulation pump is adjusted based on the total flow rate of the secondary network to maintain hydraulic balance.

The invention discloses an electrically-controlled adjustable thermostatic valve, belongs to the technical field of thermostatic valves, and solves the problems that a thermostatic valve of a terminal user triggers sudden flow change and stimulates propagation, reflection and superposition of pressure waves in a pipe network due to rapid PID (Proportion Integration Differentiation) adjustment based on local temperature, a standing wave structure with the amplitude exceeding + / -20% is formed, and near-end overheating is higher than 40 DEG C due to excessive flow in an antinode area; the heat of the far end is not less than 15 DEG C due to flow locking in a node area, and the hydraulic balance of the whole network is finally torn, so that systematic faults with opposite space are caused. Comprising a two-way valve body, a valve element arranged in the two-way valve body and an electric actuator arranged on the two-way valve body, and the electric actuator is electrically connected with a PID controller. The self-adaptive standing wave suppression circuit captures the signal change rate, simulates pressure wave characteristics in the distributed delay network, generates reverse phase compensation signal superposition, dynamically adjusts parameters, feeds forward to offset pressure waves, compresses flow abrupt change, eliminates standing waves, solves the near-hot and far-cold problems, and controls the temperature difference.

The application provides a heat supply pipe network hydraulic balance dynamic regulation method and system, and belongs to the technical field of central heating systems. The method comprises the following steps: quantifying pipe construction quality indexes, accessory installation quality indexes and thermal insulation construction quality indexes, selectively correcting the pipe construction quality indexes or the accessory installation quality indexes according to the value of the thermal insulation construction quality indexes, and fusing the two corrected indexes into a comprehensive index value; the comprehensive index value and real-time operation parameters of the pipe network form a state space, an improved reinforcement learning algorithm is used to generate a regulation strategy of the opening degree of a regulating valve and the frequency of a circulating pump, and the priority of an experience playback sample is weighted according to the comprehensive index value and the thermal insulation construction quality index; and the correction coefficient of the construction quality index and the fusion weight are corrected reversely by collecting hydraulic balance data in actual operation. The application realizes bidirectional iterative optimization of construction quality and hydraulic regulation, avoids hydraulic imbalance from the source, and improves regulation accuracy and efficiency.

The direct air cooling peak cooling system with double cold storage and heat storage comprises a direct air cooling energy storage system and a peak cooling energy storage system; the direct air cooling energy storage system comprises a direct air cooling system, a cold storage condensate tank, a heat storage condensate tank and a direct air cooling energy storage circulating unit; the peak cooling energy storage system comprises a peak cooling system, a cold storage circulating water tank, a heat storage circulating water tank and a peak cooling energy storage circulating unit; the direct air cooling energy storage system and the peak cooling energy storage system are connected through the peak cooling system; when the air temperature is high, heat storage and cold release are carried out, when the air temperature is low, cold storage and heat release are carried out, and the peak cooling system maintains hydraulic balance during the energy storage and energy release process; the thermal load of the direct air cooling system and the steam temperature in the exhaust device are reduced at high temperature, the cooling efficiency and the unit vacuum are improved; during the low temperature period, the heat storage quantity enters the condensate tank or the condensate pipeline, the condensate temperature is improved, the supercooling degree and the oxygen content are reduced, the condensate return water heat absorption quantity is reduced, and the unit efficiency is improved.

The invention discloses a double-strategy secondary network hydraulic balance control system and method, and relates to the field of heat supply system hydraulic balance control, and the system comprises a target user adjustment module, a heat exchange station, a heat exchange station monitoring module and a cloud control platform. The target user adjusting module is used for collecting the water return pipeline temperature of a target user; the heat exchange station is used for transferring heat of the primary net to the secondary net; the heat exchange station monitoring module is used for collecting the water supply pipeline temperature, the water return pipeline temperature, the water supply pipeline pressure and the water return pipeline pressure of a heat exchange station. And the cloud control platform is used for judging the type of the target user, generating a user target parameter and a control instruction, and controlling the temperature of the water return pipeline of the target user and the rotating speed of the centralized water pump in the heat exchange station monitoring module. The user temperature of the whole heat supply system can be kept balanced, and the control effect and the system energy efficiency of secondary network hydraulic balance are improved.

The invention discloses an intelligent monitoring and hydraulic balance implementation method of a capillary network system, and belongs to the field of intelligent regulation and control of heating ventilation air conditioners of buildings. The method solves the problems that traditional manual debugging is low in efficiency, and hydraulic balance cannot be maintained for a long time. According to the scheme, intelligent monitoring nodes are deployed at key node positions to collect data, the data are uploaded to a central control system through an edge computing gateway, a built-in hydraulic network computing model is used for solving the system state, and the hydraulic imbalance degree is output; when the hydraulic imbalance degree exceeds the limit, the system carries out back calculation and issues an encrypted target opening degree instruction to each loop digital twin drive type electric balance valve, and an embedded controller of the digital twin drive type electric balance valve executes closed-loop adjustment; and finally, carrying out one-time full-automatic initialization debugging after the installation is completed, calculating to obtain an initial opening compensation value of each digital twin drive type electric balance valve, writing the initial opening compensation value into a valve embedded controller, and completing presetting. The device is used for achieving automatic construction and continuous and accurate regulation and control of capillary network hydraulic balance.

The application discloses a hot water circulation efficiency optimization method in a building heating system, and belongs to the technical field of building energy management and heating control. The method comprises the following steps: step 1, obtaining historical operation data and current system parameters of the building heating system; step 2, constructing a three-dimensional working condition characteristic library containing load characteristics, time dimensions and operation modes, and pre-calculating the occurrence probability and importance coefficient of each working condition; step 3, collecting current operation data of the building heating system in real time; step 4, identifying the operation working condition type of the current system, and obtaining the characteristic weight corresponding to the working condition; step 5, quantitatively evaluating the hydraulic balance, thermal distribution characteristics and energy consumption level of the system under the current working condition, and generating a working condition operation characteristic evaluation report; and step 6, judging whether the current operation state meets the preset efficiency standard according to the working condition operation characteristic evaluation report.

The invention relates to the technical field of air conditioner energy-saving control, in particular to a metro air conditioner system multi-objective optimization control method which comprises the following steps: establishing an energy consumption model of a metro station central air conditioner system; modeling is conducted on the multi-loop air conditioner water system, and a hydraulic balance model of the air conditioner water system is constructed; establishing a multi-objective optimization model with the minimum energy consumption of the energy consumption model and the minimum total impedance of the hydraulic balance model; chilled water flow, cooling water flow and opening degrees of regulating valves of branches of a pipe network are used as variables, chilled water supply temperature and cooling water inlet temperature are used as control variables, system cooling load and outdoor temperature are used as disturbance variables, and differential pressure deviation rates of the branches and variation ranges of the control variables are used as constraint conditions; and performing optimization solution on the multi-objective optimization model based on an NSGA-II multi-objective optimization algorithm to obtain an optimal solution set considering both energy efficiency and hydraulic balance. On the premise that the refrigeration requirement is met, the purposes of optimal energy efficiency, stability and the like can be achieved.

The invention discloses a coupling tank and a heating system comprising the coupling tank, and belongs to the field of heating and drying after material blocks are washed. The device comprises a tank body, wherein a water supply inlet joint and a water return outlet joint are arranged on one side wall of the tank body; a water supply outlet joint and a water return inlet joint are arranged on the other side wall of the tank body; a blow-off pipe is arranged at the bottom of the tank body in a communicating manner, and a blow-off control structure is detachably mounted on the blow-off pipe; the top of the tank body is communicated with an exhaust pipe, and an exhaust valve is detachably mounted on the exhaust pipe; an inclined flow guide plate is arranged in the tank body and inclines towards one side close to the backwater inlet joint. The inclined flow guide plate is arranged in the tank body and is matched with the first filter plate and the second filter plate, so that water flow on the primary side and water flow on the secondary side are effectively guided and separated; the problem that water flow in a traditional coupling tank is prone to series flow and disorder is solved, sufficient mixing heat exchange of cold water and hot water is promoted, and better hydraulic balance is achieved.

The utility model discloses a hydraulic balance distributor for a water cooling system of a household central air conditioner, which comprises a balance distributor main body, a protective shell is fixedly connected onto the balance distributor main body, and a partition component is arranged at the lower end of the protective shell; the partition assembly comprises an inner shell rotationally connected with the protective shell and a rotary joint communicated with the balance distributor body, an electric control valve is connected to the rotary joint, and the end, away from the rotary joint, of the electric control valve is communicated with an inner pipe. According to the electric control valve, the partition assembly is arranged, the rotary connector is adopted to be matched with the inner pipe and the outer pipe, when the electric control valve with the short service life is maintained and replaced, the rotary connector can be rotated, a user can conveniently conduct replacement operation, connection between the outer pipe and the air conditioner pipeline can be blocked, and water in the air conditioner pipeline is prevented from spilling out; the water system central air conditioner is particularly suitable for families.