20 results about "Multiple-effect distillation" patented technology

The invention relates to the technical field of seawater desalination of gas cooled reactors, in particular to a hot film coupling seawater desalination device integrated with a small modular gas cooled reactor, which comprises a first circulating mechanism, a second circulating mechanism, a third circulating mechanism and a fourth circulating mechanism, the first circulating mechanism comprises the small modular gas cooled reactor, and high-temperature and high-pressure helium generated by the small modular gas cooled reactor sequentially circulates through pipelines; the generator is used for converting the high-temperature and high-pressure helium generated by the modularized small-sized gas cooled reactor into desalinated seawater through the first circulating mechanism so as to provide electric power; the generator starts the reverse osmosis membrane desalination device and the multi-effect distillation seawater desalination device to carry out double-channel seawater desalination; the first circulating mechanism drives the generator to synchronously carry out sea water desalination operation on the reverse osmosis membrane desalination device and the multi-effect distillation sea water desalination device through two channels, so that the link of carrying out steam turbine power generation through intermediate steam heat exchange is omitted, traditional steam is replaced, the operation efficiency in winter is improved, and the power consumption is reduced; the membrane reverse osmosis pretreatment scale and cost are reduced.

The invention discloses an energy-saving multi-effect distilled water machine, and relates to the technical field of distilled water preparation, and the energy-saving multi-effect distilled water machine comprises the following steps: S1, shunting and preheating raw material water; s2, multi-effect evaporation; s3, waste heat recovery and heat allocation; s4, condensation and temperature control of produced water; and S5, discharging in accordance with standards. According to the energy-saving multi-effect distilled water machine, by integrating core processes such as split-flow preheating, multi-effect evaporation, waste heat recovery and heat allocation and matching three types of independent special heat exchangers and a heat allocation control module, distribution and efficient utilization of waste heat according to needs are achieved, and the problem of waste heat waste or insufficient preheating in a traditional fixed distribution mode is solved; the heat exchange effect is optimized through the atomization water distributor, stable output of follow-up waste heat is guaranteed, extra cooling water is not needed in all heat exchange processes, the equipment structure is simplified, and the automation level of the system is improved through the overall scheme.

The invention relates to a multi-effect distilled water machine for preparing distilled water, which comprises a preheater, a primary effect evaporator, an intermediate evaporator and a final effect evaporator are arranged between a refrigerant outlet of the preheater and a heating medium inlet of the preheater, and a cooler is communicated with the heating medium outlet of the preheater. The primary-effect evaporator comprises a primary-effect separation chamber and a group of primary-effect evaporation chambers, the middle evaporator comprises a middle separation chamber and a group of middle evaporation chambers, the final-effect evaporator comprises a final-effect separation chamber and a group of final-effect evaporation chambers, and the primary-effect evaporation chambers, the middle evaporation chambers and the final-effect evaporation chambers are all communicated with concentrated water pipes and pressure stabilizing pipes. The pressure stabilizing pipes are jointly communicated with a gas storage tank, a refrigerant outlet of the preheater is communicated with a primary-effect evaporation chamber, a primary-effect separation chamber is communicated with a middle evaporation chamber, the middle separation chamber is communicated with a final-effect evaporation chamber, and the final-effect separation chamber is communicated with a heating medium inlet of the preheater. The method has the effect of reducing the reduction of the production efficiency of distilled water.

The invention discloses a horizontal tube falling film evaporator multi-stage vapor-liquid separation system, which belongs to the technical field of multi-effect distillation and comprises an evaporator and a multi-stage vapor-liquid separator. An evaporator condensation side seal head is arranged on the condensation side of the evaporator, a multi-stage vapor-liquid separator is embedded into the upper portion in the evaporator condensation side seal head, the multi-stage vapor-liquid separator comprises a seal head partition plate, a corrugated baffle, a defoaming wire mesh and a vapor-liquid baffle, and the corrugated baffle, the defoaming wire mesh and the vapor-liquid baffle are sequentially arranged on the seal head partition plate from inside to outside. The upper part is a secondary steam outlet area output by the evaporator, and secondary steam carrying liquid drops output by the evaporator is sequentially subjected to turbulent flow and turn-back separation, corrugated baffle separation and defoaming wire mesh separation in an evaporator cylinder and then enters a next-effect evaporator; and the lower part is a condensed water collection outlet area output by the evaporator. The efficient optimal vapor-liquid separation effect under the working condition that the steam flow speed is 1-5.5 m / s can be achieved.

This application discloses a multi-functional, multi-effect distillation water machine, belonging to the technical field of distillation water machines. It includes a casing, inside which a stainless steel inner liner and an electric heating device are fixedly installed. Heating plates are fixedly installed at the bottom of the stainless steel inner liner. A digital display controller is installed on the outside of the casing. Compared to traditional single-effect distillation equipment, it achieves multi-effect distillation, allowing for multiple condensation and re-evaporation of steam during a single heating process, greatly improving distillation efficiency and the purity of the distilled water. Heating is more concentrated and stable, avoiding the localized overheating problems that may occur with ordinary heating devices, ensuring a smooth distillation process. It also features a highly efficient heat dissipation system that can promptly dissipate heat generated inside the equipment, preventing damage due to overheating. This contributes to improved distilled water quality and extended equipment lifespan. The machine is easy to control, move, and add water to, offering numerous conveniences for users.

The invention discloses a low-temperature multi-effect distillation device and a maintenance method thereof. The low-temperature multi-effect distillation device comprises an evaporator; the starting ejector is communicated with the evaporator through a first pipeline; the vacuum injection assembly is communicated with the evaporator through a second pipeline; the two-way valve is arranged on a third pipeline, one end of the third pipeline is communicated with the second pipeline, and the other end of the third pipeline is communicated with the first pipeline. Therefore, a vacuum system architecture with double-path air exhaust and automatic path switching is constructed through the two-way valve, the problem that a vacuum injection assembly has to be shut down due to failure is effectively solved, redundant backup of the vacuum system is achieved, a structural basis is provided for subsequent online overhaul, and meanwhile production interruption and energy consumption waste caused by start and stop are reduced.

The application discloses a waste heat utilization system and relates to the technical field of sewage treatment. The waste heat utilization system comprises a low-temperature multi-effect distillation device, a flue gas heat exchanger, a first flash tank, a second flash tank and a make-up water heater. The low-temperature multi-effect distillation device is provided with sewage inlets. The cold source inlet of the flue gas heat exchanger is communicated with the product water outlet of the low-temperature multi-effect distillation device. The water inlet of the first flash tank is communicated with the cold source outlet of the flue gas heat exchanger. The steam outlet of the first flash tank is communicated with the steam inlet of the first effect body. The water inlet of the second flash tank is communicated with the condensate water outlet of the first effect body. The heat source inlet of the make-up water heater is communicated with the steam outlet of the second flash tank. The cold source outlet of the make-up water heater is communicated with the make-up water inlet of at least one evaporation effect body. The waste heat utilization system realizes the step-by-step utilization of heat energy, greatly improves the overall thermal efficiency, reduces the energy consumption and cost of unit water production and solves the problem of energy consumption of high-temperature condensate water cooling.

The utility model relates to distillation water machine equipment technical field discloses energy -conserving heat exchange structure of multi -effect distillation water machine, including upper box body one, fixed disc one, exchange cylinder, water pipe, half mobile cylinder and slider assembly, upper box body one is connected with exchange cylinder through fixed disc, and water pipe outer wall connects three hole inserts disc and half mobile cylinder, and half mobile cylinder outer wall is connected with exchange cylinder inner wall sliding groove sliding through slider no.

The invention discloses an ammonia hydrogen power ship seawater desalination system and method. The system comprises a seawater pretreatment module, a seawater heating module, a seawater multi-effect distillation module, a seawater cooling module, a fresh water collection module, a concentrated water collection module and an ammonia hydrogen production module. The pretreatment module is respectively connected with the multi-effect distillation module and the cooling module; the cooling module is internally connected with the multi-effect distillation module and the fresh water collection module, and is externally connected with the heating module. The heating module comprises a heat exchanger and a gas-liquid separation tank which are connected in series and is connected with the ammonia hydrogen production module to obtain a heat source. The multi-effect distillation module is composed of a plurality of evaporators connected in series, heat exchange pipes and flow dividing pipelines are arranged in the evaporators, and multi-effect distillation is achieved through seawater spraying and steam heat exchange. Seawater is efficiently heated through waste heat of an ammonia hydrogen production system, the multiple-effect distillation and cooling module is combined, the heat utilization rate and the fresh water yield are remarkably improved, and the problems of water-heat balance of a ship ammonia hydrogen power system and fresh water supply in ocean navigation are solved.

The utility model provides a plate type falling film multi-effect brackish water desalting device, relates to the field of water treatment, and solves the problems that the water production cost is high and a film is extremely easy to block in the existing desalting mode. The device comprises a shell, a preheater, a first water distributor and a heating plate are fixed in the shell, a gap exists between the preheater and the heating plate, a raw water flow channel is formed in the preheater, a water outlet of the raw water flow channel is communicated with a water inlet of the first water distributor, the first water distributor is fixed to the upper portion of the corresponding heating plate, and the heating plate is fixed to the lower portion of the shell. The heating plate is used for enabling preheated water to flow down along the plate surface of the heating plate in a water film form; a concentrated water drainage groove and a fresh water drainage groove which are independent of each other are formed in the bottom of the shell and located between the preheater and the heating plate, and the fresh water drainage groove is located on the side close to the preheater. The device utilizes a multi-effect distillation method, is small in occupied area, realizes maximization of fresh water yield under the condition of using extremely few equipment, and is suitable for desalination of raw water with high soluble inorganic salt content.

The utility model discloses a multi-effect distilled water machine for medicament production, which belongs to the technical field of distilled water machines, aims at solving the problem that manual disassembly of a machine cover wastes time and labor and affects the production efficiency, and comprises a first distillation box. A hydraulic cylinder is opened to drive a triangular rotating plate to rotate, the triangular rotating plate drives a second connecting rod and a third connecting rod to move upwards, the second connecting rod and the third connecting rod respectively drive two triangular blocks to rotate upwards, and two supporting plates are driven to move upwards under the action of two first connecting rods; therefore, the first cover plate and the second cover plate rotate outwards at the same time, automatic cover opening is achieved, traditional manual machine cover dismounting is replaced, the physical burden of operators is reduced, the opportunity that the operators make direct contact with the high-temperature and high-pressure environment is reduced, the risk of scalding or other safety accidents is reduced, and the production efficiency is improved.

The utility model discloses a water inlet structure of a multi-effect water distiller, and belongs to the technical field of injection water preparation equipment. The structure comprises a multi-effect water distiller, a purified water pipe and a controller, one end of the purified water pipe is connected with a water inlet of the multi-effect water distiller, a purified water caching assembly, a booster pump and a flow detection assembly are sequentially installed on the purified water pipe, and the flow detection assembly is arranged close to the multi-effect water distiller; and the controller is electrically connected with the purified water caching assembly, the booster pump and the flow detection assembly. Sufficient purified water is stored in the purified water temporary storage assembly, and firstly, the booster pump can be prevented from idling; secondly, the amount of purified water entering the multi-effect water distiller is stable, so that the water inlet amount of the multi-effect water distiller does not fluctuate in the operation process; thirdly, after the water inflow is stable, the water production conductivity and temperature of the multi-effect distilled water machine tend to be stable; and finally, the capacity and the water production quality of the multi-effect distilled water machine are not influenced by the flow change of the purified water.

This utility model discloses a multi-effect distilled water production equipment, relating to the field of water treatment equipment technology. The utility model includes a multi-effect distillation machine, with a raw material water treatment component on one side. This component includes a waste heat exchange cylinder, a horizontal pipe fixedly connected to the side wall of the waste heat exchange cylinder, a spiral tube surrounding the side wall of the horizontal pipe, a connecting pipe fixedly connected to the input end of the spiral tube, and a water output pipe fixedly connected to the output end of the spiral tube. A magnetized scale inhibitor cylinder is located on one side of the waste heat exchange cylinder, with the output end of the water output pipe fixedly connected to the input end of the magnetized scale inhibitor cylinder. A filter cylinder is located on one side of the magnetized scale inhibitor cylinder, with a detachable end cap at the cylinder opening and a filter element inside. This utility model can utilize waste heat to save pretreatment energy consumption and can inhibit scale formation on the filter body from the source, reducing maintenance costs.

This utility model discloses a multi-effect distillation water machine with controllable water temperature, belonging to the field of distillation equipment technology. The multi-effect distillation water machine with controllable water temperature includes a support mechanism. A distillation mechanism is fixedly installed at the bottom front inner end of the support mechanism, and a refrigeration mechanism is fixedly installed at the bottom rear inner end of the support mechanism. The refrigeration mechanism includes a refrigeration chamber. A connecting pipe three is fixedly connected to the upper side of the refrigeration chamber. A bent pipe is fixedly connected to the middle upper end of the connecting pipe three. A horizontal pipe two is fixedly connected to the outer side of the bent pipe. A valve is fixedly connected to the outer side of the horizontal pipe two. An inlet pipe is fixedly connected to the middle front end of the valve. This multi-effect distillation water machine with controllable water temperature, by setting up a refrigeration unit and an inlet pipe, introduces cooling water into the outer space of a distillation cylinder one, cooling the distillation cylinder one, improving the device's temperature control capability, and thus improving the product quality during device use.

This invention relates to the field of distillation technology and discloses a spiral-wound multi-effect membrane distillation assembly and its preparation method. The distillation assembly includes a central tube and a multi-effect membrane distillation module spirally wound around the central tube. The central tube has perforated units on its body, each unit comprising multiple perforations spaced apart along the axial direction. The multi-effect membrane distillation module includes a first guide net and effect units disposed on the first guide net. One end of the first guide net near the central tube is connected to the outer wall of the central tube, and the other end extends away from the central tube. The effect unit includes a second guide net and multiple effect elements, which are stacked on the first guide net, with a liquid inlet channel between adjacent effect elements. The second guide net is disposed within the liquid inlet channel. This method achieves the step-by-step transfer of heat and steam during multi-effect distillation, significantly improving heat utilization and avoiding the problem of reduced steam production due to heat loss, which in turn leads to a decrease in water production.

The present application relates to a kind of multi-effect hot-pressing parallel type energy-saving distilled water preparation system and distilled water machine, and distilled water preparation system includes multi-effect distillation module, hot-pressing distillation module and condenser, multi-effect distillation module and hot-pressing distillation module can produce distilled water, the steam exhaust pipeline of multi-effect distillation module is communicated with the first water inlet pipeline of hot-pressing distillation module by the condenser, so that the steam produced by multi-effect distillation module and the raw water of hot-pressing distillation module heat exchange.Such, multi-effect distillation module and hot-pressing distillation module cooperate operation, so as to effectively utilize the heat of steam, on the one hand, multi-effect distillation module does not need to set up cooling source and can cool the last effect steam, so as to reduce a large amount of energy consumption, on the other hand, the raw water of hot-pressing distillation module is heated due to heat exchange and improves internal energy, so as to reduce the heat energy consumption of external input of second evaporator, further reduce the system energy consumption, so as to reduce the cost of distilled water preparation process.

The invention provides a distillation method deuterium-depleted water production system and production method based on an adsorption type heat pump. The system comprises a multi-effect distillation unit and an adsorption type heat pump unit, the multi-effect distillation unit comprises a first-effect evaporation module, at least one intermediate-effect evaporation module and a last-effect evaporation module which are sequentially connected along the flow direction of raw materials; the adsorption type heat pump unit comprises a first adsorption bed, a second adsorption bed, a heat pump condenser and a heat pump evaporator; the first-effect evaporation module comprises a first-effect evaporator and a first-effect separator, and the heat pump condenser is connected with a high-temperature steam inlet of the first-effect evaporator; the last-effect evaporation module comprises a last-effect evaporator and a last-effect separator, and a waste steam outlet of the last-effect separator is independently connected with the first adsorption bed and the second adsorption bed. The multi-effect distillation unit and the adsorption type heat pump unit are organically integrated, the deuterium-depleted water production system which is high in energy recycling efficiency, stable in operation and high in adaptability is constructed, and the comprehensive energy consumption in the production process is remarkably reduced.

The utility model discloses an energy-saving system for a public engineering industrial steam medium of water production equipment, and relates to the technical field of purified water preparation. The multi-effect water distiller and the pure steam generator are connected with the heat exchanger public engineering pipeline through the industrial steam condensate water pipeline, one connector of the pasteurization heat exchanger is connected with industrial steam through a pipeline, and the other connector of the pasteurization heat exchanger is also connected to the heat exchanger public engineering pipeline through the industrial steam condensate water pipeline. The heat exchanger public engineering pipeline is connected into the main heat exchanger through a public medium connector, the main heat exchanger is installed on a reverse osmosis water inlet pipeline of the purified water preparation system, the pasteurization heat exchanger is connected with a reverse osmosis membrane device, the main heat exchanger is connected into raw material water through a raw water pipe, and the main heat exchanger is further connected with a secondary condensate water discharge pipeline through a discharge outlet. Heat energy of water production equipment is utilized, industrial steam consumption is saved, heat energy recycling efficiency is improved, cost is reduced, the working environment of a water production room is improved, and the application prospect is wide.

This application provides an industrial waste heat-driven jet refrigeration and wastewater treatment coupling system, including a waste heat gradient recovery subsystem, a jet refrigeration subsystem, and a multi-effect distillation wastewater treatment subsystem. The high-heat recovery loop and medium-heat recovery loop in the waste heat gradient recovery subsystem utilize the recovered industrial waste heat to drive the corresponding steam ejectors in the jet refrigeration subsystem and the multi-effect distillation wastewater treatment subsystem, respectively, thereby driving the heat medium circulation of the subsystem. The waste heat gradient recovery subsystem performs graded recovery of waste heat generated in the industrial production process, while the wastewater to be treated by the multi-effect distillation wastewater treatment subsystem recovers heat in this coupling system for preheating. Through the above configuration, this coupling system not only recovers industrial waste heat to provide cooling for a specific local environment but also desalinates wastewater, thus constructing a complete green internal cycle for ceramic production processes and waste heat and wastewater treatment.

The invention relates to the technical field of distillation, and discloses a spiral winding type multi-effect membrane distillation assembly and a preparation method thereof.The distillation assembly comprises a central pipe and a multi-effect membrane distillation module spirally wound around the central pipe; a perforation unit is arranged on a pipe body of the central pipe and comprises a plurality of perforations distributed at intervals in the axial direction, the multi-effect membrane distillation module comprises a first flow guide net and an effect unit arranged on the first flow guide net, the end, close to the central pipe, of the first flow guide net is connected with the outer pipe wall of the central pipe, and the other end of the first flow guide net extends in the direction away from the central pipe; the effect unit comprises a second flow guide net and a plurality of effect parts, the multiple effect parts are stacked on the first flow guide net, a liquid inlet channel is formed between every two adjacent effect parts, and the second flow guide net is arranged in the liquid inlet channel. According to the multi-effect distillation device, step-by-step transfer of heat and steam in the multi-effect distillation process is achieved, the heat utilization rate can be remarkably increased, and the problem that the water yield is reduced due to the fact that the steam yield is reduced due to heat loss is solved.