15results about "Boiler absorbers" patented technology

The application relates to an absorption type cold and heat combined supply system and a circulating working medium concentration adjusting method thereof, the absorption type cold and heat combined supply system comprising an end user unit, a cold and heat combined supply unit connected to the end user unit, and a heating unit and a concentration adjusting unit connected to the cold and heat combined supply unit, the absorption type cold and heat combined supply system realizing small-range adjustment of the circulating working medium concentration of the whole system by adjusting the liquid level height of a gas-liquid separator of the cold and heat combined supply unit, realizing large-range adjustment of the circulating working medium concentration of the whole system and maintaining the charging amount of the circulating working medium in the system by adjusting the liquid level height of a first storage tank and a second storage tank of the concentration adjusting unit, giving consideration to the optimization adjustment of the charging amount of the circulating working medium in the system and the circulating working medium concentration of the system, and ensuring that the system can continuously and efficiently and stably operate under different working conditions.

The utility model relates to the technical field of solid-state refrigeration, and provides a continuous refrigeration system based on an ionic heat effect, which comprises an electrodialysis device and a secondary refrigerant circulation loop, the electrodialysis device comprises a dialysis tank, a direct-current power supply, an electrode, a cation exchange membrane and an anion exchange membrane, the output polarity of the direct-current power supply is adjustable, and the secondary refrigerant circulation loop is connected with the electrode. A solvent and a salt working substance pair are arranged in the dialysis tank; the secondary refrigerant circulation loop comprises a heat exchange coil pipe, a first heat exchanger, a second heat exchanger and a valve group, the heat exchange coil pipe is arranged between the cation exchange membrane and the anion exchange membrane, the two ends of the heat exchange coil pipe are connected with a first connector and a fourth connector of the valve group, and the first heat exchanger is connected with a second connector and a fifth connector of the valve group; the second heat exchanger is connected with a third interface and a sixth interface of the valve group; and the valve group controls the communication condition of each interface. Thus, the secondary refrigerant is used for heat transfer so as to refrigerate at the first heat exchanger or the second heat exchanger, circulating conveying of the solvent and the salt working medium pair is avoided, and solid-phase conveying of the solvent is avoided.

The invention provides a fourth type injection-absorption heat pump, and belongs to the technical field of heat pumps. The low-temperature generator is communicated with the high-temperature generator through the solution pump, the solution heat exchanger and the second solution heat exchanger, the high-temperature generator is communicated with the absorber through the second solution heat exchanger, the absorber is communicated with the low-temperature generator through the solution heat exchanger, the low-temperature generator is communicated with the low-temperature condenser, and the low-temperature condenser is communicated with the evaporator through the low-pressure pump. The high-temperature generator is communicated with the high-temperature condenser, the high-temperature condenser is communicated with the evaporator through the low-temperature generator and the throttling valve, the high-temperature condenser is communicated with the steam generator through the high-pressure pump, the steam generator is communicated with a high-pressure steam inlet of the ejector, the evaporator is communicated with a low-pressure steam inlet of the ejector, and the ejector is communicated with the absorber. And the absorber and the high-temperature condenser are provided with heated medium channels, the low-temperature condenser is provided with a cooling medium channel, and the evaporator is provided with a low-temperature heat medium pipeline to be communicated with the outside, so that the fourth-type jet-absorption heat pump is formed.

The utility model relates to capsule production field discloses a solution dehumidification air conditioning system for capsule drying process, including heat pump unit, dehumidification unit and solution regeneration unit, heat pump unit includes first compressor, first condenser, first expansion valve and first evaporator, dehumidification unit includes heat recovery cooler, heat recovery heater, and the one side of heat recovery cooler is equipped with precooling dehumidifier and solution dehumidification tower, and solution dehumidification tower bottom is connected with dehumidification pump, solution regeneration unit includes solution regeneration tower, second condenser, second evaporator, second expansion valve and second compressor, the utility model discloses system only needs electric energy to satisfy operation, need not external hot water or steam, can satisfy dehumidification demand with cheap calcium chloride solution, heat pump unit operation condition energy efficiency is high, and system energy consumption is low, and the required air volume of regenerative fresh air is small, and regenerative energy consumption is low.

The application belongs to the technical field of absorption refrigeration, and particularly relates to a composite solution heat exchanger with a precooler and a refrigeration system and process thereof. The composite precooled heat exchanger comprises a shell, a GAX heat exchanger and a precooler. The GAX heat exchanger and the precooler are both horizontally arranged in the shell. A partition plate is fixedly arranged in the shell to separate the GAX heat exchanger and the precooler. A through opening is arranged between the top of the partition plate and the inner wall of the shell. The absorption refrigeration system comprises a generator, a condenser, an evaporator, an absorber, a lean-rich liquid heat exchanger and a GVX heat exchanger. The lean-rich liquid heat exchanger utilizes the composite precooled heat exchanger. The shell structure can solve the problem of refrigerant leakage of the lean-rich liquid heat exchanger. The precooler is arranged in the shell, and the liquid refrigerant in the shell can be used to cool the precooler. The leaked refrigerant of the lean-rich liquid heat exchanger can be absorbed, and the overall safety of the device is improved.

The present invention relates to a heat exchanger for transferring heat from a heat transfer medium, particularly oil, to the granular adsorbent material, which is placed in a pressure vessel having granular adsorbent material in an adsorption dryer provided for drying compressed gas, particularly compressed air. The heat exchanger has a heating section for transferring heat from the heat transfer medium to the adsorbent material, and the heating section includes a plurality of medium conduits (1202, 1402) each having at least one medium tube for guiding the heat transfer medium in the medium conduits, the heating section has a substantially cylindrical shape having a longitudinal axis, the medium conduits are arranged in a plurality of conduit planes in the direction of the longitudinal axis, the medium conduits are connected to each other and configured so that the heat transfer medium flows through the medium conduits together in parallel and / or in series, the medium conduits in adjacent conduit planes and / or adjacent conduit planes are spaced apart from each other in the direction of the longitudinal axis, and the medium conduits are configured as extruded profiles.

This invention belongs to the field of absorption refrigeration technology, specifically a generator with a high-efficiency demisting structure and its absorption refrigeration system. It includes a generator body with a demisting structure on top. The demisting structure comprises a shell and a tube box, which are fixedly connected by a connecting flange. A vertical sieve plate module is fixedly connected inside the shell for gas-liquid separation of the high-pressure gaseous refrigerant. The top of the shell has a high-pressure gaseous refrigerant outlet, and the bottom of the shell has multiple high-pressure gaseous refrigerant inlets. The absorption refrigeration system includes an absorber, evaporator, condenser, precooler, GAX heat exchanger, and GVX heat exchanger, and also includes the aforementioned generator with a high-efficiency demisting structure. By setting up a vertical sieve plate demisting structure, this invention can quickly and comprehensively demistate the high-pressure gaseous refrigerant generated by the generator, thereby effectively improving the overall refrigeration efficiency of the refrigeration system.

The invention relates to a heat pump module for extracting heat from ambient air, preferably for heating an interior space of a building, comprising a first heat exchanger (5) and a blower (6) by means of which a volume flow (3) of the ambient air can be conveyed through the first heat exchanger (5).

This application relates to the field of waste heat utilization technology and discloses a refrigeration system utilizing low-temperature waste heat. The system includes a first generator with a first waste heat medium inlet pipe and an outlet pipe, a second absorber with a second circulating water inlet pipe and an outlet pipe, a second generator with a second waste heat medium inlet pipe and an outlet pipe, and a matching condenser. The first generator is connected to the second absorber via a first refrigerant outlet pipe to transport gaseous refrigerant desorbed from the rich liquid. A second lean liquid return pipe and a second rich liquid return pipe are provided between the second generator and the second absorber, respectively used to return lean liquid from the second generator to the second absorber and to send rich liquid from the second absorber into the second generator. The second generator also transports gaseous refrigerant desorbed from the rich liquid to the condenser via the second refrigerant outlet pipe. This system can reduce the temperature required for waste heat utilization, achieving more efficient utilization of low-grade waste heat.

The utility model relates to capsule production field discloses a closed solution dehumidification air conditioning system for capsule drying process, including heat pump unit, solution regeneration unit, heat recovery unit, pre -dehumidification unit, solution dehumidification unit and temperature regulating unit, heat pump unit includes compressor, auxiliary radiator, condenser, expansion valve and evaporator, solution regeneration unit includes solution regeneration tower, regeneration pump and hot water heater, pre -dehumidification unit includes pre -cooling dehumidifier, solution dehumidification unit includes solution dehumidification tower, dehumidification pump and cold water cooler, temperature regulating unit includes thermostat, the utility model uses air closed type circulation processing, uses return air and regenerates solution, adopts the heat pump unit of hot and cold water same, and the operating condition energy efficiency is higher, and cold water is as system air dehumidification cold source, and hot water can assist solution regeneration in addition to satisfying drying line heat demand, reduces solution regeneration energy consumption, the system cost is low, and the operating energy consumption is low, and the economy is good, and the energy -conserving effect is remarkable.

The application provides a combined cooling and power cogeneration system of compressed air energy storage and compression absorption refrigeration, which comprises an energy storage system and a cooling system; the energy storage system comprises an air compression cooling module, a gas storage device, a first heat storage device, a second heat storage device, an air heating module and a power generation module; the cooling system comprises a generator module, a regenerator module, an absorber module, a condensing device and an evaporating device; the air compression cooling module, the gas storage device, the air heating module and the power generation module are sequentially connected; the first heat storage device, the air compression cooling module, the second heat storage device and the air heating module are sequentially connected; the second heat storage device, the generator module, the condensing device, the evaporating device and the absorber module are sequentially connected; and the second heat storage device, the generator module, the regenerator module, the absorber module, the air heating module and the power generation module are sequentially connected. The combined cooling and power cogeneration system solves the defect of low energy utilization rate of the existing adiabatic compressed air energy storage system and improves the system energy utilization rate.

The invention relates to a heat exchanger for arranging in a pressure container, which has a granular adsorption material, of an adsorption dryer which is designed to dry a pressurized gas, in particular compressed air, and for transferring heat of a heat transfer medium, in particular oil, to the granular adsorption material, comprising a heating section for transferring heat from the heat transfer medium to the adsorption material, said heating section comprising multiple media lines (1202, 1402), each of which has at least one media channel, for conducting the heat transfer medium in the media line, wherein the heating section substantially has a cylindrical shape with a longitudinal axis, the media lines are arranged on multiple line planes in the direction of the longitudinal axis, the media lines are designed and are interconnected such that the heat transfer medium can flow through the media lines collectively in parallel and / or in series, adjacent line planes and / or media lines of adjacent line planes are mutually spaced in the direction of the longitudinal axis, and the media lines are designed as extruded profiled sections.

A marine waste heat-driven ammonia absorption refrigeration system and method belong to the field of marine energy conservation and absorption refrigeration technology. The system uses the low-temperature waste heat of the cylinder liner water (65℃-95℃) of the marine diesel engine as the driving heat source, employing a novel ammonia-salt working fluid pair. It forms an absorption refrigeration circuit consisting of a generator, condenser, throttle valve, evaporator, absorber, solution pump, and solution heat exchanger, and is equipped with a waste heat supply circuit and a cooling capacity output circuit, simultaneously providing cooling for the ship's air conditioning and refrigeration systems. The salt solute used in this invention has high solubility in ammonia and is non-volatile. The ammonia gas obtained from the solution heating and desorption is of high purity, eliminating the need for a distillation device. The system is compact, small in size, and low in cost, making it suitable for the space-constrained environment of ships. By replacing electric compression refrigeration with absorption refrigeration and using environmentally friendly ammonia refrigerant instead of high GWP refrigerants, it significantly reduces marine fuel consumption and carbon emissions. The system operates safely and stably, with high energy efficiency and waste heat utilization, meeting the needs of maritime emission reduction and ship refrigeration.

The invention provides a first-class thermally-driven injection-absorption heat pump, and belongs to the technical field of refrigeration and heat pumps. The absorber is provided with a dilute solution pipeline which is communicated with the generator through a solution pump and a solution heat exchanger, the generator is further provided with a concentrated solution pipeline which is communicated with the absorber through the solution heat exchanger, the generator is further provided with a refrigerant steam channel which is communicated with a low-pressure steam inlet of the ejector, and the ejector is further provided with a medium-pressure refrigerant steam channel which is communicated with the condenser. The condenser further communicates with a steam generator through a refrigerant liquid pipeline via a booster pump, the steam generator further communicates with a high-pressure steam inlet of the ejector through a high-pressure refrigerant steam channel, the condenser further communicates with an evaporator through a refrigerant liquid pipeline via a throttling valve, and the evaporator further communicates with an absorber through a refrigerant steam channel. The steam generator and the generator are communicated with the outside through high-temperature heat medium channels respectively, the absorber and the condenser are communicated with the outside through heated medium channels respectively, the evaporator is communicated with the outside through a low-temperature heat medium channel, and the first-kind thermally-driven injection-absorption heat pump is formed.

The invention provides a first-class jet-absorption heat pump, and belongs to the technical field of refrigeration and heat pumps. The absorber is provided with a dilute solution pipeline which is communicated with the generator through a solution pump and a solution heat exchanger, the generator is further provided with a concentrated solution pipeline which is communicated with the absorber through the solution heat exchanger, the generator is further provided with a refrigerant steam channel which is communicated with the condenser, and the condenser is further provided with a refrigerant liquid pipeline which is communicated with the outside. The condenser is further provided with a refrigerant liquid pipeline communicated with a steam generator through a booster pump, the steam generator is further provided with a refrigerant steam channel communicated with a high-pressure steam inlet of an ejector, a steam channel outside is communicated with a low-pressure steam inlet of the ejector, and the ejector is further provided with a medium-pressure refrigerant steam channel communicated with an absorber. The steam generator and the generator are further communicated with the outside through high-temperature heat medium channels respectively, the absorber and the condenser are further communicated with the outside through heated medium channels respectively, and the first-class injection-absorption heat pump is formed.