387 results about "Water source heat pump" patented technology

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 a heat supply system and method for a water source heat pump coupled seasonal water pool synergistic municipal heat supply network. In the system, a solar heat collector is connected with a seasonal heat storage water pool through a pipeline via a heat exchanger; the seasonal heat storage water tank and the municipal heat supply network are connected with a heat consumer through a pipeline via a heat exchanger; and the water source heat pump is connected with the seasonal heat storage water tank and the heat consumers through pipelines. According to the system, a multi-source complementary framework with solar energy as a main source, heat pump synergism and municipal administration as a bottom is constructed. In the heat supply season, the system adopts a temperature difference lag control strategy, according to seasonal temperature changes of the heat storage pool, a direct heat supply mode, a water source heat pump coupling heat storage pool heat supply mode and a municipal heat supply network heat compensation mode are automatically switched, and stable transition from high-temperature direct heat supply to low-temperature water pump auxiliary heat supply and then to municipal heat supply network bottom heat supply is achieved. It is guaranteed that the building can obtain continuous and stable heat supply all the time in the heat supply season, and meanwhile, clean energy is utilized in a larger range, and heat supply quality is accurately controlled.

The invention relates to a constant-pressure heat compensation compressed air energy storage system relying on a pumped storage power station and an operation method of the constant-pressure heat compensation compressed air energy storage system. The invention discloses a constant-pressure heat compensation compressed air energy storage system relying on a pumped storage power station. The constant-pressure heat compensation compressed air energy storage system comprises a constant-pressure compressed air energy storage subsystem and a water source heat pump subsystem. The constant-pressure compressed air energy storage subsystem comprises a constant-pressure compressor, a first heat exchanger, a constant-pressure air storage chamber, a second heat exchanger and a constant-pressure expansion machine which are sequentially connected through pipelines; the constant-pressure gas storage chamber is connected with an upper reservoir of the pumped storage power station through a pressure balance pipeline; the water source heat pump subsystem comprises a heat storage tank, a second heat exchanger, a heat pump expansion machine, a cold storage tank and a heat pump compressor which are sequentially connected through pipelines; the cold storage tank is connected with a lower reservoir of the pumped storage power station through a heat exchange pipeline; the constant-pressure compressed air energy storage subsystem and the water source heat pump subsystem are connected through a second heat exchanger and achieve energy interaction.

The invention relates to the technical field of water source heat pump adjustment, and discloses a dynamic pressure difference compensation system and method for a heat supply network, and the method comprises the following steps: obtaining a topological structure and a flow-pressure difference curve of each main pipeline in the heat supply network; establishing a thermal inertia model for each main pipeline; generating a fuzzy rule base of the main pipeline based on the topological structure, the flow-pressure difference curve and a thermal inertia model; determining control parameters of a main pipeline based on the fuzzy rule base; the actual pressure difference and the target pressure difference of the main pipeline are obtained; based on the actual pressure difference, the target pressure difference and the control parameters, the flow adjusting amount of the main pipeline is calculated; adjusting a water pump and a valve of a heat supply pipe network based on the flow adjusting quantity; according to the method, the problem of the heat supply network in the aspect of dynamic pressure difference compensation is solved, and quick response and energy consumption control of pressure difference compensation are both considered.

The invention discloses a heat supply system for mine building heat supply and shaft freezing prevention, comprising: a heat collection module for collecting heat by using solar energy; the heat storage module exchanges heat with the heat collection module, is used for storing the heat source transferred by the heat collection module and can transfer the heat source to a heat terminal for the mining area building for heating around the clock; the power supply module is used for generating power by using solar energy and storing electric energy; and the wellhead heating modules are arranged at the shaft positions of the main inclined shaft and the auxiliary inclined shaft, and heat exchange is conducted between the wellhead heating modules and the heat storage module. The water source heat pump is used for heating the main inclined shaft and the auxiliary inclined shaft, comprehensive utilization of energy is achieved, a photovoltaic renewable power source is built in combination with the mining area space to provide clean power for mining area heat supply and power utilization systems such as the water source heat pump, and when the mining area power load and the heating load are low in the non-heating season, the water source heat pump can be used for heating the heat storage system. Zero-carbon heat supply for mine area building heat supply and shaft freezing prevention is achieved.

The invention belongs to the technical field of sludge treatment, and relates to a system for coupling sludge belt drying with a high-temperature water source heat pump. The system comprises a sludge belt-type drying chamber, wherein an air outlet and an air inlet are formed in the sludge belt-type drying chamber; the hot air circulating system at least comprises a first heat regenerator, a cooler and a heater which are connected in sequence, the first heat regenerator is connected with an air outlet of the sludge belt type drying chamber, and the heater is connected with an air inlet of the sludge belt type drying chamber; the high-temperature water source heat pump system is provided with an evaporator and a condenser which are sequentially connected, the evaporator is connected with a cooler of the hot air circulating system through a cooling water circulating pipeline, and the condenser is connected with a heater of the hot air circulating system through a hot water circulating pipeline. The waste heat of the cooling circulating water is utilized, energy conservation and carbon reduction are achieved, and the comprehensive benefits are remarkable.

The utility model relates to the technical field of cooling devices, and discloses a multi-mode energy-saving data center cooling device which comprises a control system, a data center condenser, data center evaporation refrigeration equipment, a closed cooling tower and a water source heat pump water heating unit, the data center evaporation refrigeration equipment, the data center condenser and the water source heat pump water heating unit are connected in series through pipelines to form circulation; the data center condenser, the water source heat pump water heating unit, the closed cooling tower and the data center evaporation refrigeration equipment are connected in series through pipelines to form circulation; the water source heat pump water heating unit comprises an evaporator, a compressor, a condensation piece, an expansion valve, a plate heat exchanger and a water pump which are connected in series.

The invention belongs to the technical field of water source heat pump units, and particularly relates to a self-checking method of a vortex type water source heat pump unit, which comprises the following steps: 1, controlling a bypass valve to open according to a set period and driving a sampling pump through a controller in a detection part on the water source heat pump unit, and introducing a water source sample into a sampling tank in the detection part from a main pipeline, and the controller is electrically connected with a built-in control module of the detection component through an RS485 bus so as to transmit instructions. According to the self-checking method of the vortex type water source heat pump unit, by arranging the self-checking method of the vortex type water source heat pump unit, water quality self-checking can be conducted on the water source heat pump unit automatically and regularly, the water quality is detected through a pH sensor, a turbidimeter, a conductivity meter and a metal ion detector, the weight is dynamically adjusted through water sources, a segmented normalization algorithm is adopted, and the self-checking accuracy of the vortex type water source heat pump unit is improved. And the misjudgment problem of adapting to all water sources according to a fixed standard is avoided.

The water source heat pump hot water air conditioning unit comprises a compressor, a three-way electromagnetic valve, a four-way reversing valve, an air conditioning heat exchanger, a water source heat exchanger, a hot water heat exchanger and a gas-liquid separator. An exhaust pipe of the compressor is connected with an input port of the three-way electromagnetic valve, a first output port of the three-way electromagnetic valve is connected with a first valve port of the four-way reversing valve, and a second valve port of the four-way reversing valve is connected with a first port of the water source heat exchanger. A third valve port of the four-way reversing valve is connected with an inlet of the gas-liquid separator, and an outlet of the gas-liquid separator is connected with an air suction pipe of the compressor; a fourth valve port of the four-way reversing valve is connected with a first port of the air conditioner heat exchanger; a second filter, a second expansion valve and a third filter are arranged on a pipeline for connecting a second port of the water source heat exchanger and a second port of the air conditioner heat exchanger; a second output port of the three-way electromagnetic valve is connected with a first port of the hot water heat exchanger. A second port of the hot water heat exchanger is connected with a second port of the water source heat exchanger through a first filter and a first expansion valve.

The invention relates to the technical field of water source heat pumps, particularly discloses a recharge pressure influence analysis method based on recharge test data of a water source heat pump, and is used for solving the problems that in the prior art, recharge capacity evaluation is single, parameter identification precision is low, and multi-working-condition changes cannot be dynamically responded. Comprising the following steps: collecting experimental data, identifying a stable section, inverting permeability parameters, analyzing unit parameters, evaluating recharge performance, constructing a dynamic prediction model, dynamically calculating a permeability coefficient and an influence radius by constructing a stable section identification mechanism, combining high-frequency automatic monitoring data and utilizing a segmented inversion method, and introducing a well structure correction factor to improve the calculation precision; through the recharge pressure influence analysis method integrating high-frequency monitoring, stable section recognition, dynamic parameter inversion and multi-factor prediction, the limitation of traditional single-variable static evaluation is broken through, and fine modeling and dynamic response analysis of the recharge capacity of the water source heat pump system under multiple working conditions are achieved.

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment system and method for coupling side flow sludge thermal hydrolysis with heat pump waste heat, and the sewage treatment system comprises a biochemical pool, a secondary sedimentation pool, a side flow pool, a thermal hydrolysis module and a water source heat pump module, the heat energy output end of the water source heat pump module is connected with the pyrohydrolysis module, the solid phase output end of the secondary sedimentation tank is connected with the pyrohydrolysis module through a side flow pipeline, and the pyrohydrolysis module is communicated with the biochemical tank through a side flow tank. Heat in sewage flowing out of the secondary sedimentation tank is extracted by the water source heat pump module, after the heat energy grade is improved, a stable reaction temperature condition is provided for the thermal hydrolysis reaction of sludge in the thermal hydrolysis module, the cooperation of a sludge thermal hydrolysis technology and a side flow process is realized, the energy consumption of the thermal hydrolysis reaction is effectively reduced, and the energy consumption is reduced. The temperature condition supply cost of the thermal hydrolysis reaction is reduced, the energy utilization rate is improved, and low-carbon work is realized.

The utility model discloses a mine water source heat pump three-zone rotating wheel dehumidifying and cooling system which comprises an air processing unit and a temperature adjusting unit, and the temperature adjusting unit is connected with the air processing unit to cool or heat air of the air processing unit. The air processing unit comprises a fresh air channel, a blowing air channel and a regeneration air channel, the inlet end of the blowing air channel is connected with the fresh air channel, the outlet end of the blowing air channel is connected with the inlet end of the regeneration air channel, and the outlet end of the regeneration air channel is connected with the fresh air channel to feed regeneration air into the fresh air channel. The air processing unit comprises the fresh air channel, the blowing air channel and the regeneration air channel, the blowing air channel heats and dehumidifies the air flow, the heated and dehumidified air flow serves as regeneration air to be fed into the regeneration air channel, and the regeneration air enters the fresh air channel to be cooled and dehumidified after passing through the regeneration air channel. The energy consumption of the system is reduced, and deep dehumidification of mine airflow is achieved.

The invention relates to the technical field of photovoltaic power generation, in particular to a photovoltaic and photo-thermal integrated system of a large building and an operation method of the photovoltaic and photo-thermal integrated system, and solves the problems that heat loss of photovoltaic power generation for the building is large in the using process, and meanwhile the light energy conversion efficiency is affected by temperature rise in the working process of a photovoltaic panel. Comprising a power supply assembly, a grid-connected cabinet, a storage battery and a heat supply assembly, the power supply assembly comprises a photovoltaic power generation panel, a wind power generator and a transformer, the transformer is connected with a power grid, and a cooling water pipe is arranged on the bottom face of the photovoltaic power generation panel; the heat supply assembly comprises an ice storage machine, a phase change heat storage water tank, a ground source heat pump, an air conditioner, a water source heat pump, a lithium bromide unit, a water storage buffer water tank, a radiator and a heat exchange station. In the photovoltaic power generation process, the photovoltaic panel is cooled through water cooling, the light energy conversion efficiency of the photovoltaic panel is guaranteed, heated cooling water is used for heat supply, waste heat recovery is achieved, energy loss is reduced, and the energy utilization efficiency is improved.

The invention relates to the technical field of waste water heat recovery. The invention discloses a waste water heat recycling device, method and system for a public kitchen dish washing machine. Comprising a data collection module used for reading, collecting and storing related data of waste water waste heat recovery of a public kitchen dish-washing machine and operation of a water heating system; the control module is used for controlling the water tank to supplement water and controlling the indirect sewage source heat pump unit to start and stop; and the waste heat recycling and water heating module is used for recycling waste heat and storing and preparing hot water. Heat of waste water discharged from the dish-washing machine to the oil separation tank is extracted through heat exchange, tap water is heated through the indirect sewage source heat pump unit and supplied to the dish-washing machine, and electric energy consumed by heating the tap water when the dish-washing machine works is reduced. Through the combination of the data collection module and the control module, the system can recycle heat in wastewater in the oil separation tank as much as possible on the premise of ensuring that the water temperature in the oil separation tank is not too low and ensuring the drainage safety.

The invention relates to the technical field of image processing, and relates to a reclaimed water source heat pump heat supply system fault identification method comprising the following steps: obtaining an infrared image of a key part in a reclaimed water source heat pump heat supply system, and determining a local hot spot or cold spot in the infrared image of the key part according to an image processing algorithm; performing temperature distribution detection by taking the hot spot as a center, and determining a temperature gradient of a surrounding area of the hot spot and a temperature difference value of the hot spot and an adjacent area; determining a first fault type and a first fault degree according to the change rate and the temperature difference value of the temperature gradient of the hot spot and the adjacent area; and responding to the condition that the first fault degree is greater than a first fault threshold, generating a corresponding fault report according to the position of the key part, the fault type and the fault degree, and starting alarm. According to the scheme, accurate alarm of faults is achieved, and the safety and reliability of a heat supply system can be improved.

The utility model discloses a multi-energy coupling heat pump heating and cooling system which comprises a solar heat collecting system connected with a user side to form a heating loop, an air source heat pump system connected with the user side to form a heating and cooling loop, and a water source heat pump system connected with the user side to form a heating and cooling loop. The solar heat collecting system, the air source heat pump system and the water source heat pump system are arranged for multi-energy coupling heat supply and cold supply; one part of heat energy generated by the solar heat collection system is transmitted to the user side, and the other part is stored in the seasonal heat storage water tank; part of heat energy and cold energy generated by the air source heat pump system are transmitted to a user side, part of the heat energy and the cold energy are stored in the seasonal heat storage water tank, and energy consumption is reduced by arranging the seasonal heat storage water tank to store the heat energy and the cold energy; the input end of the water source heat pump system is connected with a seasonal heat storage water tank, the water source heat pump system transmits heat energy and cold energy in the seasonal heat storage water tank to a user side, the solar heat collection system is communicated with the air source heat pump system through a first defrosting pipeline, and the seasonal heat storage water tank is communicated with the air source heat pump system through a second defrosting pipeline. By arranging the first defrosting pipeline and the second defrosting pipeline, the problem that heat cannot be supplied when the air source heat pump frosts is solved; heating and cooling can be flexibly adjusted according to actual requirements of users by setting multiple working modes, and a more comfortable living environment is provided.

The invention relates to the technical field of energy conversion, and discloses a cascade energy utilization system, a scheduling control method and device, equipment and a medium. The system comprises a photovoltaic power generation module, an electric heater, a hot molten salt tank, a cold molten salt tank, a steam generator, a primary heat exchanger, a secondary heat exchanger, a first water source heat pump unit, a second water source heat pump unit, a plurality of valves and a control module, wherein the valves comprise a first valve, a second valve, a third valve, a fourth valve, a fifth valve, a sixth valve and a seventh valve. The system provided by the invention aims at an energy system of a sewage treatment plant, high photovoltaic abandoned light, low efficiency of heat pumps, waste heat waste and island operation pain points, depends on photovoltaic energy, fused salt heat storage, a two-stage heat exchanger, double heat pumps and a dynamic control framework, stores photovoltaic energy by utilizing a fused salt heat storage system, preheats sewage through the two-stage heat exchanger, improves COP of the heat pumps, and reduces the energy consumption of the heat pumps. Waste heat is fully utilized, and dependence on a power grid is reduced.

The invention relates to the technical field of data processing, in particular to a water source heat pump air conditioning system emission reduction data evaluation method and system, and the method comprises the steps of data acquisition and processing, data complementation, reference scene modeling and simulation, actual emission calculation, emission reduction calculation and analysis, full life cycle emission calculation and result output. According to a traditional full-life-cycle evaluation method, specific resource conditions, environment cost, policy intensity and other regional factors of a project location are ignored, so that an evaluation result is lack of regional guiding significance; according to the method, a regional influence weight adjustment model constructed based on a multi-layer perceptron neural network is introduced, differential parameters such as underground water recharge cost, pollution control cost, recovery industry level and carbon policy intensity of a project location are taken as input, and weight coefficients of all life cycle stages are dynamically calculated; the evaluation result can dynamically reflect where emission reduction is implemented, the value is higher, and a more accurate scientific basis is provided for differentiated decisions of different areas.

The present invention relates to the field of new energy, and discloses a regional multi-energy complementary zero-carbon energy supply system that couples reversible solid oxide cell technology with a closed CO2 network, including RSOC thermal-mass-electricity reversible conversion, a closed CO2 circulation network, renewable energy power, an external heat source, chemical energy storage, natural cold and heat sources, and end-use energy modules. In the present invention, the RSOC operates bidirectionally in the power generation and electrolysis modes, and couples with the chemical energy storage module to achieve regional multi-time-scale energy balance. Photovoltaic power generation supplies power to both the RSOC electrolysis and end users simultaneously. In the external heat source module, concentrating solar heat collection and industrial waste heat can be integrated with the RSOC module to reduce the electrolysis power consumption. The closed CO2 network uses pressurized low-temperature CO2 as the circulating working fluid for the regional heating and cooling network. It can fully utilize the waste heat of the RSOC and natural cold and heat resources on the source side; at the end, it greatly improves the heating and cooling capacity of the network through phase change heat transfer to achieve passive cooling of users, and at the same time couples with a water source heat pump to meet different-grade heating demands, with net zero carbon emissions throughout the process.

The invention discloses an intelligent heat supply energy-saving control method based on deep learning, particularly relates to the technical field of water source heat pump heat supply, and is used for solving the problems of sudden increase of invalid power consumption of a compressor and recessive attenuation of energy efficiency caused by a monitoring blind area of a water body temperature field in the prior art. The method comprises the following steps: acquiring upstream water environment parameters of a heat absorption port in real time, and generating a downstream dynamic temperature distribution state by adopting deep learning enhanced dynamic heat transfer coupling analysis; on the basis of thermal gradient vortex structure recognition and water body heat capacity supplement rate unbalance judgment, a local low-temperature area is accurately positioned; establishing an electric hydraulic frequency domain coupling relation between the heat pump operation frequency and the water body flow velocity pulsation spectrum, and quantifying the hydraulic resonance triggering probability; ineffective power consumption increment is evaluated in combination with the low-temperature region state parameters and the resonance probability; and finally, the driving frequency of the compressor is dynamically adjusted according to the condition that the invalid power consumption increment exceeds the threshold value, and the flow of the circulating pump is synchronously optimized, so that full-chain control from local low-temperature region identification to energy efficiency closed-loop optimization is realized.

The invention relates to the technical field of water source heat pumps, in particular to a water source heat pump pretreatment device for a sewage plant, which comprises a sewage guide cylinder, a filter screen, a garbage self-cleaning mechanism, a linkage mechanism and a limiting frame, the sewage guide cylinder for guiding sewage is of an L-shaped structure, and the filter screen is fixed in a vertical cavity of the sewage guide cylinder; and the garbage self-cleaning mechanism is arranged at the turning point of the sewage guide cylinder. According to the water source heat pump pretreatment device, two core defects of the water source heat pump pretreatment device are effectively overcome, firstly, the linkage mechanism driven by water flow impact drives the garbage self-cleaning mechanism to realize online cleaning of the filter screen, so that the filtering efficiency can be always maintained in an initial state; compared with the traditional fixed filter screen, the efficiency attenuation caused by impurity accumulation has obvious advantages; secondly, the requirement of manual shutdown for cleaning is avoided through the dynamic cleaning mechanism; meanwhile, compared with an electric backwashing scheme, the self-cleaning system completely depending on hydraulic driving is more energy-saving.

The invention discloses a surface treatment heating, cooling and refrigerating waste heat recovery system and method, and relates to the field of waste heat recovery, and the system comprises a double-source high-temperature heat pump unit which is used for refrigerating a heat preservation and heat storage water tank and heating a heat supply water tank to a first set temperature when the temperature of the heat preservation and heat storage water tank and the temperature of a liquid tank are equal; when the temperature of the water in the heat preservation and heat storage water tank is smaller than a second set temperature, heat is taken from the cooling water tank to the heat supply water tank, and heat is taken from air to heat the water in the heat supply water tank when the waste heat of the cooling water tank is insufficient; the water source heat pump unit is used for absorbing heat in the cooling water tank and heat in the process tank and heating the heat supply water tank; the electric valves of the inlet pipeline and the outlet pipeline of the heat preservation and heat storage water tank are controlled to be closed, the electric valves of the inlet pipeline and the outlet pipeline of the cooling water tank are controlled to be opened, cooling water in the cooling water tank is pumped into the first shell-and-tube heat exchanger for circulating cooling, and energy conservation, emission reduction and consumption reduction are achieved.

The invention provides a water source heat pump heat exchanger inner and outer wall surface temperature iterative calculation method and system, and belongs to the technical field of heat exchange measurement. According to the flow state type of the fluid in the pipe, a corresponding correlation formula is selected based on the basic data to calculate the convective heat transfer Noschert number in the pipe; according to the heat exchange type of the medium on the outer surface of the pipe, a corresponding correlation formula is selected based on the basic data to calculate the convective heat exchange Noschert number outside the pipe; respectively calculating convective heat transfer coefficients of the inner wall and the outer wall of the pipeline on the basis of the intra-pipe and extra-pipe Knuchert numbers; and iteratively calculating the temperature of the inner and outer walls of the pipeline by using the heat balance equation, and recalculating the physical property parameter and the convective heat transfer coefficient according to the updated temperature value until the calculation result of the temperature of the inner and outer walls meets a preset target value. Working conditions are subdivided according to the in-pipe flow state and the out-pipe heat exchange type, the Noschert number and the convective heat exchange coefficient are calculated respectively, wall surface temperature iteration solution is conducted through a heat balance equation, and accurate calculation of the temperature of the inner wall and the outer wall of the water source heat pump heat exchanger is achieved.

The invention relates to the technical field of industrial wastewater treatment and energy recovery, in particular to a cooperative waste heat recovery system and method for shale gas drilling and production wastewater MVR treatment. The system comprises an MVR multi-effect evaporation crystallizer and a biochemical device, the water source heat pump unit comprises an evaporator, a compressor, a condenser and a throttle valve which form a refrigerant circulation loop; a condensate water outlet of the condensate water preheater is communicated with an inlet of the evaporator through a condensate water branch; an outlet of the evaporator is communicated with an inlet of the biochemical device; and the wastewater preheating branch is connected with an outlet of a raw water tank for storing the pretreated wastewater, and is used for sequentially conveying the wastewater to pass through a condenser and a condensate water preheater, then discharging the wastewater and then conveying the wastewater to an inlet of the MVR multi-effect evaporation crystallizer. According to the preheating recovery method based on the system, the technical problems that waste of low-temperature waste heat is serious during MVR treatment of the shale gas drilling and production wastewater, the energy consumption of wastewater preheating is high, and the adaptability to a back-end process is poor are solved.

This utility model belongs to the field of HVAC technology and discloses an anti-clogging water source heat pump system with automatic unclogging function. It includes a water source heat pump unit and a water supply well. A water source pump is installed in the water supply well, and the water source pump is sequentially connected to a well water outlet pipe, a cyclone separator, a self-clogging multi-stage filter box, a water tank outlet pipe, and the water source heat pump unit. The outlet of the water source heat pump unit is connected to a well water reinjection pipe via a pipeline, and the well water reinjection pipe is connected to a return water well. The outlet of the water source heat pump unit is also connected to an end user via a terminal water supply pipe. The end user is connected to the inlet of the water source heat pump unit via a terminal return water pipe. A terminal circulating water pump is installed on the terminal return water pipe, and the terminal return water pipe is also connected to an external makeup water pipe. This system has an automatic water source cleaning function, which can effectively and promptly clean impurities on the water source side and reduce labor costs. Furthermore, maintaining a balanced water volume between the pumping well and the reinjection well ensures the dynamic balance of groundwater and the stability of system operation.

The invention relates to the technical field of water source heat pumps, and particularly discloses a water source heat pump device applied to a sewage plant, the water source heat pump device comprises a supporting bracket, the top of the supporting bracket is fixedly connected with a suspended matter cleaning device, one side of the suspended matter cleaning device is fixedly connected with a sewage treatment box body, and one side of the sewage treatment box body is provided with an access hole; the side, away from the access hole, of the sewage treatment box body is fixedly connected with a scum cleaning box body, the bottom of the scum cleaning box body communicates with a first valve body water inlet through a pipeline, and the part, located at the bottom of the scum cleaning box body, of one side of the sewage treatment box body communicates with a gas heating mechanism through a pipeline; according to the water source heat pump device applied to the sewage plant, waste heat in the sewage is recycled while the sewage is purified, meanwhile, hot air flows into a water body through the air heating mechanism, so that heat generated by the sewage is decomposed through thermophilic aerobic bacteria, and meanwhile the heat of the hot air flows can be efficiently recycled.

The utility model is applicable to the technical field of filtering devices, and provides automatic filtering equipment for a sewage source heat pump, which comprises a shell, a water outlet pipe transversely communicated with the outer surface of the shell, an upper cover arranged at the top of the shell, and a filter cartridge with an open top arranged in an inner cavity of the shell, a water inlet pipe penetrating through the cover plate and extending to the inner cavity of the filter cartridge is arranged on the upper cover in a penetrating manner, a threaded lead screw penetrating through the cover plate and extending to the bottom of the inner cavity of the filter cartridge is rotatably and vertically arranged at the bottom of the upper cover, a threaded sleeve is in threaded connection with the surface of the threaded lead screw, a rotating sleeve is rotatably arranged on the surface of the threaded sleeve in a sleeving manner, and a cleaning assembly is arranged on the surface of the rotating sleeve. According to the automatic filtering equipment for the sewage source heat pump, the cleaning assembly is arranged in the inner cavity of the filtering cylinder, the filtering mechanism can be cleaned without taking out the filtering cylinder, a threaded rod and a screw rod are matched to drive the cleaning assembly to scrape and brush the ground from top to bottom, dirt remaining in the filtering cylinder can be cleaned more precisely, the repeated utilization rate of the filtering cylinder is increased, and the cleaning efficiency is improved. The cost is reduced.

The invention discloses a cold and heat demand coupling type waste heat recovery system, a control method and a storage medium. The cold and heat demand coupling type waste heat recovery system comprises a plurality of heat supply loops, a plurality of cold supply loops and a controller. A first temperature sensor is arranged on a water outlet pipe of the leaf storage room to obtain a first temperature; a third temperature sensor is arranged on a water outlet pipe at the heat absorption end of the heat exchanger to obtain a third temperature; the controller controls opening and closing of a heat supply loop and a cold supply loop according to the first temperature and the third temperature; the water source heat pump supplies heat to the tobacco leaf storage room and supplies cold to the tobacco shred storage room at the same time, cold and heat complementation of the tobacco leaf storage room and the tobacco shred storage room is achieved, the water inlet temperature of the low-temperature side of the water source heat pump is improved through the heat exchanger, and therefore the system energy efficiency is improved; the air source heat pump is arranged, relative cold and heat sources are supplemented in time when the cold and heat requirements of the system are not equal, and stable operation of the system is guaranteed; by arranging various heat supply loops and cold supply loops, heat supply in winter and heat supply and cold supply in summer can be met.

The present invention provides an operation control method for a heating system, comprising a water reservoir, a first water source heat pump, a first heating zone, a second heating zone, a third heating zone, a second water source heat pump, a controller, a first wide channel isolating plate heat exchanger, a first air fin-tube heat exchanger, a second wide channel isolating plate heat exchanger, and a second air fin-tube heat exchanger. The water reservoir, the first air fin-tube heat exchanger, and the second air fin-tube heat exchanger serve as low-quality heat sources, which can improve the stability of the low-quality heat source supply. The first water source heat pump, the second heat source water pump, and the third heat source water pump can be used to achieve large temperature difference heating, thereby effectively reducing the energy consumption of the water pump. This heating system has the characteristics of low energy consumption and stable heat source. At the same time, when achieving large temperature difference heat exchange of reclaimed water, it can avoid the occurrence of local freezing and blockage of the heat pump.

The utility model discloses a waste heat recovery system. The waste heat recovery system comprises a screw air compressor, a heat exchange device and a water source heat pump. The output end of the screw air compressor is connected with the first input end of the heat exchange device, the first output end of the heat exchange device is connected with the first input end of the water source heat pump, and the first output end of the water source heat pump outputs liquid at the first preset temperature. According to the waste heat recovery system, low-grade waste heat resources of the screw air compressor are effectively utilized, the temperature of the liquid flowing out of the heat exchange device can be increased through the water source heat pump so that the liquid at the first preset temperature can be output, then an industrial gas water heater can be replaced, energy consumption is reduced, and cost is reduced.