56results about "Evaporators with horizontal tubes" patented technology

The invention provides an evaporative crystallization device and process for fluorine-containing high-salinity wastewater, and relates to the technical field of high-salinity wastewater treatment.The evaporative crystallization device for the fluorine-containing high-salinity wastewater comprises a support and an evaporation tank, and a first material opening used for communicating a stacking ring cavity with a material storage cavity is formed in an inner cylinder; a second material opening for communicating the material storage cavity with the material discharge cavity is formed in the first baffle plate; the heating assembly is in contact with and heats the wastewater to evaporate and discharge a wastewater solvent, a wastewater solute is gradually separated out to form crystals and moves towards the material stacking ring cavity, the first material opening is controlled to be opened, the second material opening is controlled to be closed, the crystals in the material stacking ring cavity enter the material storage cavity through the first material opening, and then the first material opening is controlled to be closed and the second material opening is controlled to be opened; the crystals in the material storage cavity enter the material discharging cavity through the second material opening, the crystals in the material discharging cavity are discharged through the first auger, the separated crystals can be continuously discharged without shutdown, meanwhile, the negative pressure environment in the evaporation tank is prevented from being damaged, and the working efficiency is improved.

The utility model relates to the technical field of evaporators, and discloses an efficient tubular evaporator. According to the efficient tubular evaporator, evaporator rapid evaporation mechanisms are installed on the four sides of the interior of an evaporator body, an evaporator interior cleaning mechanism is installed in the middle of the interior of the evaporator body, and each evaporator rapid evaporation mechanism comprises a tube body installed on the four sides of the interior of the evaporator body. The pipe column is arranged in the middle of the interior of the evaporator body, the rear portion of the pipe column is connected with the device box and the hydraulic device, one side of the device box is connected with the connecting pipe, the connecting pipe enables liquid for cleaning to flow into the device box, and then the liquid in the device box is pressed and sprayed out through the arrangement of the hydraulic device. The branch pipe column and the water sprinkler are connected to the outer portion of the pipe column, liquid in the branch pipe column and the water sprinkler can be sprayed out after being pressed, and therefore dirt in the evaporator body is cleaned, and the cleaned evaporator body is beneficial to steam volatilization.

A first-stage liquid distributor, a first-stage heat exchange tube group, a second-stage liquid distributor and a second-stage heat exchange tube group are sequentially arranged in a shell from top to bottom, and both the first-stage liquid distributor and the second-stage liquid distributor can distribute cooling liquid into a plurality of strip-shaped cooling liquid flows. The strip-shaped cooling liquid flow extends in the length direction of the heat exchange pipe. A strip-shaped cooling liquid flow generated by the first-stage liquid distributor flows through the first-stage heat exchange pipe group to complete heat exchange, then liquid cooling liquid is stacked on the second-stage liquid distributor, the stacked liquid cooling liquid is distributed into a plurality of strip-shaped cooling liquid flows again by the second-stage liquid distributor, and then the strip-shaped cooling liquid flow generated by the second-stage liquid distributor flows through the second-stage heat exchange pipe group to complete heat exchange. In this way, cooling liquid can be evenly distributed in the direction of the heat exchange pipe, stable sheet flow can be formed, the quality of a liquid film on the surface of the heat exchange pipe is improved, and the heat exchange efficiency is greatly improved.

Embodiments of the invention provide systems and methods for water treatment and / or desalination.

A mixed gas that is composed of a component gas and a carrier gas is efficiently supplied with a compact device configuration. A mixed gas supply device (1A, 1B) includes: an evaporator (10) that heats a liquid component and the carrier gas to generate the mixed gas that is composed of the carrier gas and the component gas obtained by vaporizing the liquid component; and a cooler (30) that cools the mixed gas generated in the evaporator (10) and to supply a mixed gas that is composed of the carrier gas and the component gas whose supersaturated part is condensed and separated. The evaporator (10) includes a shell-and-tube-type heating mechanism. In a shell (11) of the evaporator (10), a carrier gas tube (16, 17) that has holes (16H, 17H) for bubbling of the carrier gas opened at multiple locations extends in the horizontal direction. A liquid component supply port (20) is provided at a lower portion of the shell (11) of the evaporator (10). A discharge port (23) that discharges the mixed gas that is composed of the carrier gas and the component gas obtained by vaporizing the liquid component is provided at an upper portion of the shell (11) of the evaporator (10). A lower portion of the cooler (30) is connected to the discharge port (23) of the evaporator (10) via a pipe (31).

At least one aspect of the present technology provides a self-contained treatment plant for converting organic and high-water waste, such as fecal sludge and garbage, into electricity while also generating and collecting potable water.

The utility model discloses an evaporation and concentration system suitable for lithium sulfate purification, which is characterized in that an outlet of a raw material tank is sequentially connected with a cold side of a condensate water preheater and a cold side of a non-condensable steam preheater through an outlet of a feeding pump, and then is connected with a tube pass inlet of a heater together with an outlet pipeline of a material circulating pump; a tube pass outlet of the heater is connected with a material inlet of the integrated separator, and a material outlet of the separator is connected with an inlet of the material circulating pump; a secondary steam outlet of the integrated separator is connected with an inlet of a steam compressor through a scrubber tower, and a compressed steam pipe is connected with a shell pass steam inlet of a heater; a shell pass condensed water outlet of the heater is connected with an inlet of a condensed water tank; an outlet of the condensed water tank is connected with a hot side of the condensed water preheater through a condensed water pump; a shell pass extraction opening of the heater is connected with the hot side of the non-condensable steam preheater through a non-condensable gas conveying pipe, and a hot side outlet of the condenser is connected with a vacuumizing system. The system is high in evaporation efficiency and low in operation cost and equipment investment.

Techniques are described herein for using a high-pressure reactor to separate clean water from dirty water without filtration and to extract and concentrate contaminants from dirty water for use as a fuel. In particular, techniques and systems are described for separating water from hydrocarbon contaminates, other BTU-laden compounds, and dissolved minerals, while also boiling water and condensing the resulting steam into distilled water. In addition, system in which the described techniques are performed can be used as a high-pressure pump for moving the separated hydrocarbon contaminates forward into other processes, such as a high-pressure reactor or incinerator.

The utility model discloses a powder mixed liquid top-speed evaporation clash device based on supercritical gas clash technology, which comprises an evaporation clash tank, a conical gas cylinder, a stirring mechanism and a fixing mechanism, the stirring mechanism and the fixing mechanism are both mounted between the conical gas cylinder and the evaporation clash tank, and a lifting plate is slidably arranged on the inner wall of a limiting chute; belt wheels are rotationally connected to the inner walls of the two ends of the lifting plate, a belt strip is in transmission connection between the two belt wheels, a butt joint buckle is fixedly arranged at the bottom of a connecting shaft, and stirring blades are rotationally connected to the bottom of the inner wall of the mixed liquid container; according to the utility model, the butt-joint buckle ascends and descends to be clamped in the butt-joint hole of the stirring blade, the motor is started to enable the butt-joint buckle to drive the stirring blade to rotate, the evaporation of powder mixed liquid is accelerated, after the evaporation is finished, the butt-joint buckle ascends to be separated from the butt-joint hole through the electric telescopic rod, the mixed liquid container can be quickly taken out, and the extracted powder is collected, so that the problem that in the prior art, the extraction efficiency is high is solved. The speed of extracting the powder in the powder mixed liquid is slow and the powder is not easy to collect by an evaporation collision technology.

The invention relates to an evaporator-condenser-type heat exchanger comprising a plurality of zones, each zone comprising at least one extractor means configured to channel at least a portion of the primary vapor generated in said zone towards the outside of the heat exchanger. The heat exchanger includes a plurality of sub-assemblies consisting in part of a layer of a thermally conductive material.

Proposed are a device and a method based thereon for continuously purifying high-boiling thermolabile compounds of more highly volatile impurities by the selective continuous distillation of a medium fed into the device. The device is a column apparatus comprising at least three sections arranged successively one above another: a mass exchange section, an evaporation section and a cooling section, wherein the evaporation section is a vertically oriented falling film evaporator with a fixed residence time for thermolabile mixtures in the evaporation zone. In a specific embodiment, examples of high-boiling thermolabile media are mixtures of aromatic polyamines, for example mixtures of methylene diphenyl diamine (MDA) and higher homologues thereof, as well as mixtures of aromatic polyisocyanates, for example mixtures of methylene diphenyl diisocyanate (MDI) and higher homologues thereof. The method based on the device makes it possible to obtain the above-mentioned media in a purified form in which the residual content of more volatile solvents such as, for example, aniline or chlorinated benzene is not more than a few dozen ppm and the residence time of the medium undergoing evaporation in the evaporator region is not more than 100 seconds, which does not cause significant changes in the colour value of a thermolabile medium.

The invention relates to the technical field of traditional Chinese medicine processing, in particular to a vacuum concentration tank for traditional Chinese medicine processing, which is characterized in that a control panel is fixedly mounted on one side of the vacuum concentration tank, a vacuumizing pipe is fixedly mounted at the top of the surface of the vacuum concentration tank, an inner groove is formed in the outer wall of the vacuum concentration tank, and a coil pipe is fixedly mounted on the inner wall of the inner groove; steam and heat in the vacuum concentration tank can be pumped into the guide pipe through the fan on the left side and then guided into the coil pipe through the guide pipe, and meanwhile, the steam and heat in the coil pipe can be pumped out through the fan on the right side, so that the gas flowing speed can be increased; therefore, steam and heat can circularly flow back and forth in the coil pipe, the heating effect in the vacuum concentration tank can be further improved, waste heat in the vacuum concentration tank can surround the inner wall in the vacuum concentration tank for comprehensive heating, the contact area of liquid medicine and heat can be increased, and the concentration efficiency can be improved.

The application discloses a high-efficiency magnesium nitrate denitration device, which is characterized by being provided with a magnesium nitrate solution buffer tank and an M-shaped baffle distribution plate, the M-shaped baffle distribution plate comprises a center plate, two wing return plates and end baffle plates, the center plate and the baffle plates are horizontally arranged and are each provided with a protruding cofferdam at an outer edge, the two wing return plates are provided with fluid holes and are arranged at an angle with the center plate and the baffle plates, the outer edges of the two wing return plates in the axial direction are also provided with cofferdams, and the axial ends of the two wing return plates are open; the buffer tank can effectively buffer the scouring impact force of heavy component magnesium nitrate due to height difference, meanwhile, the sawtooth structure at the upper end of the tank body can make the magnesium nitrate solution uniformly overflow to the M-shaped baffle distribution plate, so that the corrosion and scouring damage of the magnesium nitrate heater tube can be reduced from the source, and the service life of the heat exchange equipment is prolonged; and the M-shaped baffle distribution plate can prolong the flow and residence time of the solution on the M-shaped baffle distribution plate, so that the denitration effect is improved.

A process for separating a media mixture comprises the process steps: feeding the media mixture comprising a first medium and a second medium into a first heat exchanger section (5) of a separation apparatus (4), the first medium being hydrogen gas and the second medium being an at least partially vaporous hydrogen carrier medium; feeding a heat exchanger medium, which is a hydrogen carrier medium, into the first heat exchanger section (5) of the separation apparatus (4); transferring heat from the media mixture to the heat exchanger medium, thereby heating the heat exchanger medium; cooling the first medium and at least partially condensing the second medium; separating the condensed second medium from the first gaseous medium.

The utility model discloses a methanol waste heat vaporizer which comprises a heat exchange tank, the two sides of the bottom end of the heat exchange tank are fixedly connected with supports, one side of the heat exchange tank is provided with a right box pipe, the top end of the right box pipe is fixedly connected with an air inlet, the other side of the heat exchange tank is provided with a left box pipe, and the left box pipe is fixedly connected with an air outlet. The two ends of the left box pipe are fixedly connected with air outlets. According to the waste heat vaporizer, by arranging the right box pipe, the gas inlet, the flash tank, the communicating pipe, the gas outlet and the left box pipe, when waste gas is treated, high-temperature waste gas is guided in through the gas inlet, needed low-temperature liquid is guided into the heat exchange tank, and after the high-temperature waste gas exchanges heat with the low-temperature liquid, the liquid is evaporated and enters the flash tank through the communicating pipe to achieve flash evaporation; and after flash evaporation is completed, a pipeline arranged at the top end of the flash evaporation tank can be opened to rapidly collect gas, finally waste gas is guided into the left box pipe, the gas is exhausted through a gas outlet, and the problem that waste heat cannot be rapidly utilized is solved.

Embodiments of the invention provide systems and methods for water treatment and / or desalination.

The utility model discloses an evaporator which comprises a tube shell and a flow adjusting device. A pair of end covers are connected to the two ends of the tube shell, a spiral baffle plate is arranged in the tube shell, a plurality of evaporation tubes are inserted into the spiral baffle plate, connectors with the same number as the evaporation tubes are arranged at the two ends of the tube shell, the evaporation tubes are connected with the connectors, and flow guide tubes are connected to the ends, away from the evaporation tubes, of the connectors; the flow adjusting device is installed on the end cover opening and comprises a flow dividing body, a cold fluid inlet and outlet is fixed to the flow dividing body, a supporting frame is fixed in the cold fluid inlet and outlet, a center shaft is fixed to the supporting frame, a plurality of rotating shafts are rotationally arranged on the center shaft, and first bevel gears are fixed to the ends, penetrating through the cold fluid inlet and outlet, of the rotating shafts. The first bevel gears are meshed with second bevel gears. Through the relevant structural design, the contact time of a cooling medium and an evaporation medium is effectively prolonged, the flow speed is slowed down, and the cooling effect of the evaporator is improved.

The utility model relates to evaporator technical field especially for a kind of evaporator device applied to heat pump system, including evaporator shell, the both ends of evaporator shell are equipped with head, one of the head is equipped with heat medium inlet, the other head is equipped with heat medium outlet, the top of evaporator shell is equipped with refrigerant medium inlet, the bottom of evaporator shell is equipped with refrigerant medium outlet, refrigerant medium inlet and refrigerant medium outlet are about the vertical center line of evaporator shell symmetrical alternation distribution, the inside of evaporator shell is equipped with several heat exchange pipes, the both sides outside of heat exchange pipe is equipped with oil return mechanism. The device can pass through the mode of indirect heat exchange, so that heat medium flows in heat exchange pipe, and infiltrates in refrigerant medium, to reach the purpose of sufficient heat exchange, and lubricating oil can be recycled under the action of oil return mechanism, reduce lubricating oil accumulation in evaporator.

The utility model relates to an edible oil refining device which comprises a refining tank, a heat exchanger, a heating device, a liquid storage tank and a stirring assembly, the refining tank comprises an oil inlet, an oil outlet and a discharge port located at the bottom, a heating coil is arranged in an inner cavity of the refining tank, and the inlet end and the outlet end of the heating coil penetrate through the refining tank; the heat exchanger is arranged on one side of the refining tank, the heat exchanger is connected with a water inlet pipe and a discharging pipe, and the outlet end of the heating coil pipe is connected to the heat exchanger; the heating device is arranged on one side of the refining tank and is connected with the heat exchanger through a pipeline; the liquid storage tank is arranged at the top of the refining tank and used for storing alkali liquor, the liquid storage tank is provided with a connecting pipeline connected to an inner cavity of the refining tank, and the connecting pipeline is provided with a branch connected to the heating device. The heat exchanger is arranged to recycle residual heat of the heat-conducting medium and power consumption during heating, the heat utilization rate of the device is effectively increased, and the cost is greatly reduced; in addition, the degumming and deacidification work of the edible oil can be completed through one device, the device does not need to be replaced, the processing efficiency is effectively improved, and the manufacturing cost is reduced.

The utility model discloses a horizontal pipe evaporation concentrator, which comprises a separator, the separator comprises a hollow shell, a live steam inlet, a condensate water outlet, a material inlet, a concentrated solution outlet and a secondary steam outlet are arranged on the shell, a heater and a spraying assembly are arranged in the shell, the spraying assembly comprises a spraying pipe and a nozzle, the heater comprises a horizontal heating pipe, and the nozzle is arranged in the shell. The plurality of heating pipes are sequentially communicated to form a snakelike heating channel; a feeding pump and a circulating pump; and a condensation assembly. According to the horizontal pipe evaporation concentrator, the spraying assembly and the heater are concentrated in the separator, the compactness of the equipment structure is guaranteed, the occupied space is reduced, feed liquid is sprayed to the heating pipe into which live steam is introduced through the spraying assembly, so that the feed liquid flows down in a film shape under gravity, heat transfer is promoted, meanwhile, it is guaranteed that the feed liquid is heated stably and uniformly, and the efficiency is improved. Therefore, the heating effect is improved.

Disclosed herein is a low-pressure drop ethylbenzene evaporator, comprising a double-layer structure consisting of a heat exchange unit and a gas-liquid separation unit, the upper layer and the lower layer thereof being connected via an intermediate pipe. The top of the gas-liquid separation unit is provided with an exhaust pipe, and the bottom is provided with a separated liquid return pipe. The heat exchange unit comprises a housing side and a heat exchange pipe, the bottom of the housing side being provided with a liquid flow inlet, and a low-pressure vapor feed pipe being disposed on a side wall of the housing side, located below the heat exchange pipe and close to the position of the heat exchange pipe. In an energy saving process for ethylbenzene vaporization of the present application, a large amount of heat is recovered by means of a main cooler to generate a vapor at 6-32 kpaA, which is used for primary vapor distribution of the ethylbenzene vaporizer design of the present application after being pressurized by a compressor, and is used to replace supplemental 0.21 MPaG low-pressure vapor for a vapor pipe network of a related device, greatly reducing consumption of low-pressure steam in the reaction system, as well as decreasing the amount of circulating water used in the device. The process only consumes the power consumption of a compressor, and saves a large amount of low-pressure vapor and circulating water.

The invention provides an air suspension heat pump double-effect evaporation device and a working method thereof, which can solve the problem of low energy utilization rate in the existing low-temperature evaporation technology and can improve the stability of system operation, and the air suspension heat pump double-effect evaporation device comprises a first-effect evaporation unit, a second-effect evaporation unit, a third-effect evaporation unit and a fourth-effect evaporation unit, the second-effect evaporation unit comprises a second-effect separator and a second-effect forced circulation heat exchanger; the output end of the air suspension heat pump unit communicates with the inlet end of the coil pipe type heat exchanger, and the air suspension heat pump unit is used for conveying compressed high-temperature refrigerant gas to the coil pipe type heat exchanger. The first-effect separator and the second-effect separator are connected with a stock solution inlet system, a first-effect steam outlet of the first-effect separator is communicated with a heat source inlet of the second-effect forced circulation heat exchanger and used for heating to-be-evaporated feed liquid in the second-effect forced circulation heat exchanger, and a second-effect steam outlet of the second-effect separator is communicated with the input end of the air suspension heat pump unit and used for heating to-be-evaporated feed liquid in the second-effect forced circulation heat exchanger. The waste heat recovery device is used for recovering waste heat of second-effect steam generated by the second-effect separator.

The invention relates to an arrangement for a latent-heat exchanger chamber, usable in distillation devices, which comprises an evaporator in a capillary evaporation regime on the inner face thereof and a condenser in a capillary condensation regime on the outer face thereof, with a system for the dosed supply of liquid into microgrooves or micro undulations of the inner evaporator face, preventing the formation of thin films of water on the evaporator face, the arrangement achieving high latent-heat transfer coefficients.

A distillation unit includes a shell, a heat exchanger disposed inside the shell, and a supporting portion that is disposed inside the shell and receives the heat exchanger. The shell has a cylindrical shape, extends in an axial direction, and includes an opening part that extends in the axial direction. The heat exchanger includes a heat exchange piping, which includes pipes that have horizontal spiral shape and are arranged with respect to each other in a vertical direction relative to a longitudinal direction of the shell. The supporting portion has a plate shape and extends in a direction that intersects the axial direction. The heat exchange piping is disposed along the supporting portion in the axial direction.

A production apparatus of sucrose-6-ester is disclosed and includes a distillation separation tank, a reaction tank, and a condensated water collection tank, where the distillation separation tank is arranged above the reaction tank and the condensated water collection tank, and includes a shell and a heating-roller distillation device including a plurality of heating rollers arranged from top to bottom between front and rear side walls of the shell; two ends of the U-shaped plate are respectively fixed to bottoms of the front and rear side walls; a feed pipe is provided at a top of the shell, the condensated water outlet pipe is arranged at a bottom surface of the shell and is connected to the condensated water collection tank, and the liquid evaporation residue discharge pipe penetrates through the bottom surface of the shell, is connected to the U-shaped plate, and is connected to the reaction tank.

The application provides an evaporation crystallization device for fluorine-containing high-salinity wastewater and a process thereof, and relates to the technical field of high-salinity wastewater treatment. The evaporation crystallization device for fluorine-containing high-salinity wastewater comprises a support and an evaporation tank. A first material port for connecting a material stacking ring cavity and a material storage cavity is arranged on an inner cylinder. A second material port for connecting the material storage cavity and a material discharging cavity is arranged on a first baffle. A heating assembly contacts and heats the wastewater, so that the wastewater solvent is evaporated and discharged, and the wastewater solute gradually separates out to form crystals and moves to the material stacking ring cavity. The first material port is opened, and the second material port is closed. The crystals in the material stacking ring cavity enter the material storage cavity through the first material port. Then, the first material port is closed, and the second material port is opened. The crystals in the material storage cavity enter the material discharging cavity through the second material port. The crystals in the material discharging cavity are discharged through a first auger. The crystals separated out can be continuously discharged without stopping the machine, the negative pressure environment in the evaporation tank is avoided from being damaged, and the working efficiency is improved.

The utility model discloses an evaporation device for lithium carbonate solution concentration, which comprises an evaporation box and a positioning support for positioning the evaporation box, a concentration box communicated with an inner cavity of the evaporation box is mounted on the lower side of the evaporation box, a feeding pipe communicated with the inner cavity of the evaporation box is mounted at the top of the evaporation box, and a driving component is arranged in the middle of the bottom side of the concentration box. A stirring assembly is mounted on a driving shaft of the driving assembly and is positioned in the evaporation box and the concentration box. According to the evaporation device for concentration of the lithium carbonate solution, the solution is evaporated and concentrated in the mode that high-temperature steam makes indirect contact with the lithium carbonate solution, the situation that steam is directly introduced into the lithium carbonate solution to affect preparation of lithium carbonate is avoided, meanwhile, the evaporation device has the high heat preservation effect, the energy utilization rate in the using process is guaranteed, and the energy consumption is reduced. In addition, when the evaporation device is used, precipitation and condensation of solids in the solution can be prevented, and discharging of the prepared lithium carbonate concentrated solution is facilitated.

An evaporator includes: a cylindrical member 10 through which a heating medium can flow; a heat exchange structure provided on a radially inner side of the cylindrical member 10; and a jacket member 30 provided on a radially outer side of the cylindrical member 10 with a space so as to define a flow path for a liquid and a vapor thereof, the jacket member 30 having a feed port 31 for a liquid M1 and a discharge port 32 for a vapor.

To provide a compact distillation apparatus.SOLUTION: A distillation apparatus 100 comprises a vaporization tower 110 to evaporate a solvent in sea water SW and a condensation tower 160 to liquefy the evaporated solvent and separate as distilled water DW. The vaporization tower 110 is equipped with a heated water tank 117 to heat the sea water SW, a heat medium pipe 112 to be spread in the heated water tank 117 and transport the hot blast HB as a heating medium from a heat source, a ceiling wall 125 covering the heated water tank 117 from above and having a shape where upper inside is recessed upward and a guide pipe 126 discharging the evaporated solvent upward and being extended upward from the center of the ceiling wall 125. The condensation tower 160 has a cooler 161 being sequentially connected on the ceiling wall 125, covering around a vapor outlet 127 at the upper end part of the guide pipe tube 126 and obtaining the distilled water DW by cooling and liquefying the evaporated solvent.SELECTED DRAWING: Figure 2