CN217323423U - Cold and hot evaporation unit for low-temperature distillation - Google Patents

Cold and hot evaporation unit for low-temperature distillation Download PDF

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Publication number
CN217323423U
CN217323423U CN202221268067.XU CN202221268067U CN217323423U CN 217323423 U CN217323423 U CN 217323423U CN 202221268067 U CN202221268067 U CN 202221268067U CN 217323423 U CN217323423 U CN 217323423U
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pipeline
cold
pipe
chamber
evaporation unit
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孙虎
金龙君
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Zhangjiagang Puer Environmental Protection Machinery Co ltd
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Zhangjiagang Puer Environmental Protection Machinery Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/30Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37Wastewater or sewage treatment systems using renewable energies using solar energy

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Abstract

The application discloses low temperature distillation is with cold and hot evaporation unit, including the cauldron body, the internal top of cauldron is formed with the atomizing chamber, and the bottom is formed with the stock solution chamber, stock solution chamber middle part is formed with the heating chamber, the intercommunication has evenly been laid to the heating chamber the vertical runner of stock solution chamber top and bottom, the top and the bottom in stock solution chamber communicate respectively in the one end of feed liquor pipe and the one end of drain pipe, the other end of drain pipe communicates through a high-pressure pump to the other end of feed liquor pipe, the middle part of feed liquor pipe communicates in the one end of atomizing pipe, atomizing nozzle is installed to the atomizing pipe other end, atomizing nozzle is located the atomizing chamber, the axle center department in stock solution chamber is formed with the vertical passageway of screw rod extrusion. The utility model discloses the required heat energy of evaporation has been reduced.

Description

Cold and hot evaporation unit for low-temperature distillation
Technical Field
The application relates to wastewater treatment, in particular to a cold and hot evaporation unit for low-temperature distillation.
Background
The waste water is an important component of industrial garbage, and the discharge of the waste water can cause serious pollution to the environment. Distillation is a thermodynamic separation process, which has the advantage over other separation means, such as extraction, that no solvents other than the system components need to be used, thereby ensuring that no new impurities are introduced. The distillation is utilized to treat the industrial wastewater, so that the problem of discharge of the industrial wastewater is solved, useful components in the industrial wastewater are recycled, and raw materials are saved.
I department originally designed evaporation structure, because cavity such as condensation, atomizing, heating have been integrateed to cauldron internal portion, through in-service use, the effect is not good.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cryogenic distillation is with cold and hot evaporation unit reduces the required heat energy of evaporation.
In order to achieve the above object, the present invention provides the following technical solutions.
The embodiment of the application discloses cold and hot evaporation unit for low temperature distillation, including the cauldron body, the internal top of cauldron is formed with the atomizing chamber, and the bottom is formed with the stock solution chamber, stock solution chamber middle part is formed with the heating chamber, the intercommunication has evenly been laid to the heating chamber the vertical runner of stock solution chamber top and bottom, the top and the bottom in stock solution chamber communicate respectively in the one end of feed liquor pipe and the one end of drain pipe, the other end of drain pipe communicates through a high-pressure pump to the other end of feed liquor pipe, the middle part of feed liquor pipe communicates in the one end of atomizing pipe, atomizing nozzle is installed to the atomizing pipe other end, atomizing nozzle is located the atomizing chamber, the axle center department in stock solution chamber is formed with the vertical passageway of screw rod extrusion.
Preferably, in foretell cold and hot evaporation unit for cryogenic distillation, the atomizing pipe is close to first valve is installed to the one end of feed liquor pipe, the atomizing pipe warp reposition of redundant personnel is two behind the first valve, and install respectively atomizing nozzle, one of them atomizing nozzle vertically upwards sprays, another atomizing nozzle horizontal jet, the drain pipe is close to first high-pressure pump department communicates in former liquid pipe, install the second valve on the former liquid pipe.
Preferably, in foretell cold and hot evaporation unit for low temperature distillation, the top of the vertical passageway of screw extrusion is formed with the push down scraper blade of vertical removal, the bottom of the vertical passageway of screw extrusion is exported through the mud pipe after the horizontal passageway of screw extrusion is carried, the horizontal passageway of screw extrusion is close to the one end of mud pipe is formed with the drain pipe, the drain pipe is provided with the filter core.
Preferably, in the above cold and hot evaporation unit for cryogenic distillation, a first medium is formed in the heating cavity, the first medium is discharged into the compressor through the first pipeline, and the compressor heats the first medium and then discharges into the heating cavity through the second pipeline for heating the liquid in the vertical flow channel.
Preferably, in the cold and hot evaporation unit for cryogenic distillation, cold energy formed by the compressor cools the vacuum pump through a second medium in a third pipeline, the second medium cools the vacuum pump and then acts on the heat exchanger through a fourth pipeline, and the second medium cools steam in the heat exchanger and then flows back to the compressor through a fifth pipeline.
Preferably, in the cold and hot evaporation unit for cryogenic distillation, the steam in the atomization chamber is discharged into the heat exchanger through a sixth pipeline formed at the top of the atomization chamber, and is discharged to the bottom of the first tank through a seventh pipeline after being cooled, a liquid storage is formed at the bottom of the first tank, the height of the liquid storage is higher than that of the bottom of the seventh pipeline, and the vacuum pump is used for pumping air from the position, close to the top, of the first tank through an air pumping pipe.
Preferably, in foretell cold and hot evaporation unit for cryogenic distillation, the steam that the vacuum pump was taken out circulates through the blast pipe and reaches the intermediate layer heat supply chamber that the external portion of cauldron formed, atomizing intracavity portion is formed with first coil pipe, the one end of first coil pipe communicate in intermediate layer heat supply chamber, the other end is sealed to extend to the external portion of cauldron.
Preferably, in the cold and hot evaporation unit for cryogenic distillation, an overflow pipeline is formed on one side of the first tank body, the height of the overflow pipeline is higher than that of the seventh pipeline, the overflow pipeline is communicated to the top of a condensed water tank, and the bottom of the condensed water tank is communicated with the second high-pressure pump through a pipeline and then discharged.
Preferably, in the cold and hot evaporation unit for cryogenic distillation, a second coil is formed in the middle of the third pipeline, and the second coil is located inside the condensed water tank.
Preferably, in the cold and hot evaporation unit for cryogenic distillation, the condensate water tank is provided with a view port, and an exhaust valve is formed at the top.
Compared with the prior art, the utility model discloses technical scheme's advantage lies in the internal evaporation stoste of cauldron and does not store up, passes back by vertical runner heat exchange and sprays (stoste, sewage) toward the atomizing intracavity with the form of spraying to vaporific separation water and other foreign matters (concentrated sewage), has ensured atomizing intracavity high vacuum extreme state, has reduced the required heat energy of evaporation. Through practical use, the evaporation at the vacuum of-97 kpa/69.1 ℃ is common in the market, the evaporation at the vacuum of-99.6 to-99.9 kpa/7 to 29 ℃ in the technical scheme can be calculated according to the heat energy requirement, and 40 to 62kcal/Kg can be saved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a cold and hot evaporation unit for cryogenic distillation according to an embodiment of the present invention;
fig. 2 is a flow diagram of each medium in the cold and hot evaporation unit for cryogenic distillation according to the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, a cold-hot evaporation unit 100 for low-temperature distillation includes a kettle body 101, an atomization cavity 102 is formed at the top in the kettle body 101, a liquid storage cavity 103 is formed at the bottom, a heating cavity 104 is formed at the middle part of the liquid storage cavity 103, a vertical flow channel 105 communicating the top and the bottom of the liquid storage cavity 103 is uniformly distributed in the heating cavity 104, the top and the bottom of the liquid storage cavity 103 are respectively communicated with one end of a liquid inlet pipe 106 and one end of a liquid outlet pipe 107, the other end of the liquid outlet pipe 107 is communicated with the other end of the liquid inlet pipe 106 through a first high-pressure pump 108, the middle part of the liquid inlet pipe 106 is communicated with one end of an atomization pipe 109, an atomization nozzle 110 is installed at the other end of the atomization pipe 109, the atomization nozzle 110 is located in the atomization cavity 102, and a screw extrusion vertical channel 111 is formed at the axis of the liquid storage cavity 103. A first valve 112 is installed at one end of the atomizing pipe 109 close to the liquid inlet pipe 106, the atomizing pipe 109 is divided into two parts after passing through the first valve 112, and is respectively provided with atomizing nozzles 110, wherein one atomizing nozzle 110 sprays vertically upwards, the other atomizing nozzle 110 sprays horizontally, the liquid outlet pipe 107 is communicated with a stock liquid pipe 113 close to the first high-pressure pump 108, and a second valve 114 is installed on the stock liquid pipe 113.
In this embodiment, through pump into stock solution chamber after drawing stoste with first high-pressure pump, the stoste of heating chamber heating again through first high-pressure pump (second valve is closed this moment) pump income atomizing pipe, spout from atomizing nozzle, atomizing nozzle has improved atomization efficiency, and improves atomization efficiency through setting up a plurality ofly.
Further, a vertically moving pressing scraper 115 is formed at the top of the screw extrusion vertical channel 111, the bottom of the screw extrusion vertical channel 111 is conveyed through a screw extrusion horizontal channel 116 and then is output through a mud pipe 117, a drain pipe 118 is formed at one end, close to the mud pipe 117, of the screw extrusion horizontal channel 116, and the drain pipe 118 is provided with a filter element 119.
In this embodiment, the concentrated sewage after the separation is discharged into horizontal passageway from vertical passageway to screw extrusion mode is discharged, keeps vacuum seal state, and unnecessary moisture of extrusion process is extruded through the filter core, and concentrated mud dress is directly extruded.
Further, a first medium is formed in the heating cavity 104, the first medium is discharged into the compressor 121 through the first pipeline 120, and the compressor 121 heats the first medium and then is discharged into the heating cavity 104 through the second pipeline 122 for heating the liquid in the vertical flow channel 105.
In this embodiment, the first medium is preferably a gas, and the first medium is heated and acts on the stock solution in the vertical flow channel without being circulated.
Further, the cold energy generated by the compressor 121 cools the vacuum pump 124 through the second medium in the third pipeline 123, the second medium cools the vacuum pump 124 and then acts on the heat exchanger 126 through the fourth pipeline 125, and the second medium cools the steam in the heat exchanger 126 and then flows back to the compressor 121 through the fifth pipeline 127. The steam in the atomizing cavity 102 is discharged into the heat exchanger 126 through a sixth pipeline 128 formed at the top thereof, and is discharged to the bottom of the first tank 130 through a seventh pipeline 129 after being cooled, the liquid storage is formed at the bottom of the first tank 130, the liquid storage height is higher than the bottom of the seventh pipeline 129, and the vacuum pump 124 pumps air to the position, close to the top, of the first tank 130 through an air pumping pipe 131.
In this embodiment, the second medium preferably adopts an antifreeze solution, the vacuum pump is cooled, then the steam is cooled continuously, and the heated second medium returns to the compressor to reciprocate cyclically. The flow direction of the steam is extracted by a vacuum pump, the steam is firstly condensed by a heat exchanger due to cooling, the condensed liquid enters the first tank body, the steam is continuously extracted by the vacuum pump, and the steam can be used as a heat source at the moment. Although the first tank body is filled with liquid under the action of the vacuum pump, the seventh pipeline, namely the heat exchanger, namely the gas in the atomization cavity is continuously extracted under the pressure, so that the inside of the tank body is kept in a vacuum state.
Further, steam pumped out by the vacuum pump 124 circulates to an interlayer heat supply cavity 133 formed outside the kettle body 101 through an exhaust pipe 132, a first coil 134 is formed inside the atomization cavity 102, one end of the first coil 134 is communicated with the interlayer heat supply cavity 133, and the other end of the first coil 134 extends to the outside of the kettle body 101 in a sealing manner.
In this embodiment, the steam that is taken out by the vacuum pump can heat the internal outer wall of cauldron as the heat source, keeps the internal portion's of cauldron temperature then, simultaneously because the effect of first coil pipe, can get into the internal portion heating atomizing steam of cauldron, and owing to the cooling, gaseous emission afterwards, the comdenstion water of formation is also directly discharged from the other end of first coil pipe.
Further, an overflow pipe 135 is formed at one side of the first tank 130, the height of the overflow pipe 135 is higher than that of the seventh pipe 129, the overflow pipe 135 is communicated to the top of the condensed water tank 136, and the bottom of the condensed water tank 136 is communicated to the second high-pressure pump 137 through a pipe and then discharged.
In the embodiment, when the stored liquid is higher than a certain height, the stored liquid flows out through the overflow pipeline and enters the condensed water tank, and because negative pressure is formed inside the first tank body, the liquid in the condensed water tank is pumped out by the second vacuum pump when being discharged, so that the equipment is kept not to release vacuum, and low-temperature distillation is kept.
The design adopts a condensed water physical overflow gas-liquid separation method: and spraying part of water/steam to the bottom of the first tank body, and fully liquefying the steam through the liquid storage effect of the first tank body. The liquid level of the stored liquid rises and overflows downwards, the vacuum pump pumps air at the upper part of the liquid level of the stored liquid, and the phenomenon that the vacuum pump is overloaded due to the fact that excessive steam flows to a cavity of the vacuum pump is prevented.
Further, a second coil 138 is formed in the middle of the third pipe 123, and the second coil 138 is located inside the condensate tank 136.
In this embodiment, it is necessary to suppress re-evaporation of the condensed distilled water, and if the evaporation increases the load on the vacuum pump, the distillation capability in the atomizing chamber is further affected.
Further, the condensed water tank 136 is opened with a view port 139, and a vent valve 140 is formed at the top.
In the embodiment, the device is used for functions of maintenance, air exhaust and the like.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.

Claims (10)

1. The utility model provides a cryogenic distillation is with cold and hot evaporation unit, a serial communication port, includes the cauldron body, the internal top of cauldron is formed with the atomizing chamber, and the bottom is formed with the stock solution chamber, stock solution chamber middle part is formed with the heating chamber, the intercommunication has evenly been laid to the heating chamber the vertical runner of stock solution chamber top and bottom, the top and the bottom in stock solution chamber communicate respectively in the one end of feed liquor pipe and the one end of drain pipe, the other end of drain pipe communicates through a high-pressure pump extremely the other end of feed liquor pipe, the middle part of feed liquor pipe communicates in the one end of atomizing pipe, atomizing nozzle is installed to the atomizing pipe other end, atomizing nozzle is located the atomizing chamber, the axle center department in stock solution chamber is formed with the vertical passageway of screw rod extrusion.
2. The cold and hot evaporation unit for cryogenic distillation according to claim 1, wherein a first valve is installed at one end of the atomization tube close to the liquid inlet tube, the atomization tube is divided into two parts after passing through the first valve, the two parts are respectively provided with the atomization nozzles, one of the atomization nozzles sprays vertically upwards, the other atomization nozzle sprays horizontally, the liquid outlet tube is communicated with a stock solution tube close to the first high-pressure pump, and a second valve is installed on the stock solution tube.
3. The cold and hot evaporation unit for cryogenic distillation according to claim 1, wherein a vertically moving pressing scraper is formed at the top of the screw extrusion vertical channel, the bottom of the screw extrusion vertical channel is conveyed through the screw extrusion horizontal channel and then is output through a sludge discharge pipe, a drain pipe is formed at one end of the screw extrusion horizontal channel, which is close to the sludge discharge pipe, and the drain pipe is provided with a filter element.
4. A cold and hot evaporation unit for cryogenic distillation according to claim 1, wherein a first medium is formed in the heating chamber, the first medium is discharged into a compressor through a first pipeline, and the compressor heats the first medium and then discharges the heated first medium into the heating chamber through a second pipeline to heat the liquid in the vertical flow channel.
5. The cold and hot evaporation unit for cryogenic distillation according to claim 4, wherein cold energy generated by the compressor cools the vacuum pump through a second medium in a third pipeline, the second medium cools the vacuum pump and then acts on the heat exchanger through a fourth pipeline, and the second medium cools steam in the heat exchanger and then flows back to the compressor through a fifth pipeline.
6. The cold and hot evaporation unit for cryogenic distillation according to claim 5, wherein the steam in the atomization chamber is discharged into the heat exchanger through a sixth pipeline formed at the top of the atomization chamber, and is discharged into the bottom of the first tank through a seventh pipeline after being cooled, a liquid storage is formed at the bottom of the first tank, the height of the liquid storage is higher than that of the bottom of the seventh pipeline, and the vacuum pump is used for pumping air to the top of the first tank through an air pumping pipe.
7. The cold and hot evaporation unit for cryogenic distillation according to claim 6, wherein steam pumped by the vacuum pump flows through an exhaust pipe to an interlayer heat supply cavity formed outside the kettle body, a first coil is formed inside the atomization cavity, one end of the first coil is communicated with the interlayer heat supply cavity, and the other end of the first coil extends outside the kettle body in a sealing manner.
8. The cold and hot evaporation unit for cryogenic distillation according to claim 6, wherein an overflow pipeline is formed on one side of the first tank body, the height of the overflow pipeline is higher than that of the seventh pipeline, the overflow pipeline is communicated to the top of a condensed water tank, and the bottom of the condensed water tank is communicated with the second high-pressure pump through a pipeline and then is discharged.
9. The cold and hot evaporation unit for cryogenic distillation according to claim 8, wherein a second coil is formed in the middle of the third pipeline, and the second coil is located inside the condensate water tank.
10. The cold and hot evaporation unit for cryogenic distillation according to claim 8, wherein the condensate tank is opened with a view port and a vent valve is formed at the top.
CN202221268067.XU 2022-05-25 2022-05-25 Cold and hot evaporation unit for low-temperature distillation Active CN217323423U (en)

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Application Number Priority Date Filing Date Title
CN202221268067.XU CN217323423U (en) 2022-05-25 2022-05-25 Cold and hot evaporation unit for low-temperature distillation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221268067.XU CN217323423U (en) 2022-05-25 2022-05-25 Cold and hot evaporation unit for low-temperature distillation

Publications (1)

Publication Number Publication Date
CN217323423U true CN217323423U (en) 2022-08-30

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CN202221268067.XU Active CN217323423U (en) 2022-05-25 2022-05-25 Cold and hot evaporation unit for low-temperature distillation

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