CN111375267A - Gas-liquid-solid multi-effect separator - Google Patents
Gas-liquid-solid multi-effect separator Download PDFInfo
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- CN111375267A CN111375267A CN202010308226.3A CN202010308226A CN111375267A CN 111375267 A CN111375267 A CN 111375267A CN 202010308226 A CN202010308226 A CN 202010308226A CN 111375267 A CN111375267 A CN 111375267A
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- 239000007787 solid Substances 0.000 title claims abstract description 81
- 239000007788 liquid Substances 0.000 claims abstract description 226
- 238000001914 filtration Methods 0.000 claims abstract description 78
- 238000000926 separation method Methods 0.000 claims abstract description 61
- 238000001816 cooling Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 9
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- 230000001965 increasing effect Effects 0.000 claims description 16
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- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 238000000746 purification Methods 0.000 abstract description 13
- 239000007789 gas Substances 0.000 description 61
- 239000012535 impurity Substances 0.000 description 15
- 239000000203 mixture Substances 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000007791 dehumidification Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
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- 241001061824 Plagopterus argentissimus Species 0.000 description 1
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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Abstract
The invention relates to the technical field of filtration and purification, and discloses a gas-liquid-solid multi-effect separator which comprises a shell, an air inlet pipe, an exhaust pipe, a spiral plate, a reversing pipe, a heat exchanger, a filtering wire mesh, a filtering adsorber and a solid-liquid separator, wherein the shell is provided with a gas inlet pipe and a gas outlet pipe; the tapered air inlet pipe is arranged at the upper part of the shell and is tangent to the circumference of the shell, so that tangential air inlet and airflow acceleration are realized; the spiral plate is provided with a heat exchanger which is fixed on the reversing pipe, and gas-liquid separation is realized in the process that gas flows along the spiral plate; the heat exchanger is a finned tube type heat exchange tube, so that the cooling and dehumidifying of the gas are accelerated; the lowest end of the reversing tube is sequentially provided with a filtering wire mesh and a filtering adsorber upwards to filter and adsorb liquid and solid in gas; the solid-liquid separator is arranged at the lower part of the shell to realize solid-liquid separation; the horizontal section of the reversing pipe is a gradually expanding and reducing pipe, and the gradually expanding exhaust pipe is arranged on the other side of the shell and is coaxial with the air inlet pipe. The gas-liquid-solid multi-effect separator provided by the invention realizes thorough separation and purification of gas and liquid, and has high separation efficiency and reliable and stable operation.
Description
Technical Field
The invention relates to the technical field of filtration and purification, in particular to a gas-liquid-solid multi-effect separator.
Background
The gas-liquid separator is mainly applied to drying of moisture-containing gas or extraction and recovery of liquid containing gas, and is also applied to various industrial and civil occasions such as gas impurity removal, oil-gas separation, liquid impurity removal and the like. The traditional gas-liquid separator is used for gas-liquid separation, particularly for high-temperature gas, the problems that the gas-liquid separation is not thorough, solid and oil impurities cannot be effectively separated, the separated liquid contains solids and the like exist, and often one separator cannot meet the separation requirement, and multiple processes such as multi-stage separation and the like are needed to be matched for use, so that the system is complex, large in size and difficult to maintain. In addition, the gas-liquid separator in the prior art has insufficient filtering function, and incomplete gas-liquid separation can cause conditions of subsequent processes, for example, in the field of compressor refrigeration, wet gas entering the compressor can cause liquid impact of the compressor, damage equipment, cause accidents and shorten the service life of the compressor; in the extraction field, gas-liquid-solid separation is not thorough, impurities are mixed in the product to reduce the purity of the product, and the extraction capacity of extraction equipment is also reduced.
Disclosure of Invention
The embodiment of the invention is used for solving the problems and the defects that the existing gas-liquid separator cannot completely separate gas and liquid and effectively separate solid and oil impurities due to single function, and the like, and provides a technical scheme and equipment for effectively and completely separating gas, liquid and solid impurities and realizing gas purification and condensate recovery.
The embodiment of the invention provides a gas-liquid-solid separator, which comprises a shell, a gas inlet pipe, an exhaust pipe, a spiral plate, a reversing pipe, a heat exchanger, a filtering wire mesh, a filtering adsorber, a solid-liquid separator and a liquid separating disc, wherein the gas inlet pipe is arranged on the shell; the air inlet pipe is a reducing pipe and is tangent to the circumference of the shell, and the outlet of the air inlet pipe faces the heat exchanger; the spiral plate is wound on the reversing pipe and is connected with the heat exchanger; the heat exchanger is a finned tube type heat exchanger and comprises a heat exchange tube and fins; the reversing pipe comprises a vertical pipe part and a horizontal pipe part, the bottom of the vertical pipe of the reversing pipe is a reducing pipe, a filtering screen net and a filtering adsorber are arranged from bottom to top, the upper part of the vertical pipe is a pipe with a uniform cross section, the horizontal pipe of the reversing pipe is coaxial with the exhaust pipe, and the horizontal pipe is a reducing pipe; the filtering silk screen and the filtering adsorber are supported and fixed by the supporting rod; the support rods are multi-stage telescopic and detachable and are arranged on the liquid distribution disc; the solid-liquid filter is positioned at the lower end of the shell and arranged on the liquid separation disc, the solid-liquid separator and the liquid separation disc are coaxial with the vertical pipe of the reversing pipe, the outer diameter of the solid-liquid separator is equal to the inner diameter of the shell, a plurality of liquid separation holes are formed in the liquid separation disc, and the liquid separation disc is fixed on the inner wall of the shell; the exhaust pipe is arranged on the other side of the shell and is a gradually expanding pipe, and the end part of the exhaust pipe is provided with the flange.
The gas-liquid-solid multi-effect separator also comprises an upper end cover, a sealing flange, an access door, a liquid buffer tank and a drain valve; the sealing flange connects the housing with the upper end cover; the access door is arranged at the lower end of the side surface of the shell; and the outlet of the liquid collector is connected with the liquid discharge valve.
The gas-liquid-solid multi-effect separator can thoroughly realize gas purification and liquid purification through the gas inlet pipe, the spiral plate, the heat exchanger, the reversing pipe, the reversing plate, the filtering wire mesh, the filtering adsorber and the solid-liquid separator.
The gas-liquid-solid multi-effect separator is internally provided with a heat exchanger, the heat exchanger is connected with the spiral plate, the heat exchanger is a fin tube type heat exchanger, the heat exchanger can be a single tube or a plurality of tubes, and can be a round tube, a rectangular tube, an oval tube and the like, the structural form of the heat exchanger can be a wound sheet type, a turbulent flow type, a groove type, a micro-ribbed tube, a threaded tube and/or a combination of a plurality of modes, fins are vertically and/or obliquely fixed on the heat exchange tube, and the inside of the heat exchange tube is a threaded tube or a light tube or an inner ribbed tube or a micro-channel;
the heat exchanger can be arranged on the outer edge of the spiral plate and/or the plate; the heat exchangers can be positioned above, below and in the middle of the spiral plate; the heat exchanger may traverse the spiral plate laterally or longitudinally.
The heat exchanger has two working modes of passive cooling and active and passive combined cooling, namely the heat exchanger is used as a part of the spiral plate, and the heat exchanger is cooled and dehumidified by simply increasing the heat dissipation area of airflow in a passive cooling mode; meanwhile, working media can be introduced to serve as the temperature of the gas absorbed by the evaporation section of the refrigeration or heat pump device, and the gas is cooled and dehumidified by adopting an active cooling mode, wherein the passive cooling mode and the active and passive combined cooling mode can be selected according to actual conditions and can be flexibly controlled;
the heat exchanger is arranged on a tiny channel among fins at the air inlet to form a flow equalizer of the gas-liquid-solid multi-effect separator.
The gas inlet pipe of the gas-liquid-solid multi-effect separator is axially tangent to the circumference of the shell, the gas inlet pipe is a reducing pipe, and the outlet of the gas inlet pipe faces the heat exchanger.
Wherein, the heights of the spiral plates, the inner wall of the shell and the outer wall of the reversing tube forming a plurality of cavities are different, and the height d of the cavity formed between the first-stage spiral plate and the second-stage spiral plate is1Is less than the height d of the cavity formed by the second-stage spiral plate and the third-stage spiral plate2The height d of the cavity formed by the second stage spiral plate and the third stage spiral plate2Is greater than the height d of the cavity formed by the third stage spiral plate and the fourth stage spiral plate3If there are multiple stages of spiral plates, the height of the cavity formed by adjacent spiral plates is in the form of variable spacing of small, large, small, large and small … … to form the airflow passage multiple stage contraction and expansion structure.
The reversing pipe is fixed in the shell through the reversing plate, the spiral plate is fixed by the reversing pipe and comprises a vertical section and a horizontal section, the bottom of the vertical section of the reversing pipe is a reducing pipe, a filtering wire mesh and a filtering adsorber are arranged from the lowest end, the upper part of the vertical section is a uniform-section pipe, the vertical section of the reversing pipe is coaxial with the shell, the upper end cover, the filtering wire mesh and the filtering adsorber, the horizontal pipe of the reversing pipe is a gradually-expanding reducing pipe, and the horizontal section of the reversing pipe is coaxially connected with the exhaust pipe.
The exhaust pipe is arranged on the other side of the shell and is a gradually expanding pipe, the exhaust pipe is coaxially connected with the horizontal section of the reversing pipe, and the outer end of the exhaust pipe is provided with the exhaust end flange.
Wherein, filter the adsorber and locate filter the silk screen top, filter the adsorber with filter the silk screen and all locate in the terminal convergent pipe of switching-over pipe vertical section, filter the adsorber filter the silk screen with the vertical pipe of switching-over pipe is coaxial, filter the silk screen with filter the adsorber by the bracing piece supports, the bracing piece is multistage scalable detachable bracing piece, is fixed in divide on the liquid dish, filter the silk screen with filter the adsorber and be multilayer structure.
The solid-liquid filter is positioned on the lower layer of the inner side of the shell and is arranged on the liquid separating disc, the solid-liquid separator and the liquid separating disc are coaxial with the vertical section of the reversing pipe, the outer diameter of the solid-liquid separator is equal to the inner diameter of the shell, a plurality of liquid separating holes are formed in the liquid separating disc, the liquid separating disc is fixed on the inner wall of the shell, the supporting rod is fixed on the liquid separating disc, and the connecting mode of the supporting rod can be movable connection or fixed connection.
The liquid outlet of the gas-liquid-solid multi-effect separator is connected with the liquid buffer tank, the liquid buffer tank is connected with the liquid discharge valve, and the liquid discharge valve is a plurality of types of manual or automatic valves.
Wherein, the access door is arranged at the lower part of the side surface of the shell.
Wherein the heat exchanger, the spiral plate, the reversing tube material coating may be/or be a hydrophobic and oleophobic self-cleaning material.
According to the gas-liquid-solid multi-effect separator provided by the invention, a gas-liquid mixture enters a shell tangentially through a tangential air inlet channel shell, is accelerated under the action of a tapered air inlet pipe, flows through a heat exchanger rapidly, releases heat to the heat exchanger, is equalized by channels among fins of the heat exchanger and is reversed by a reversing plate, and then flows downwards along spiral plate rotational flow provided with the heat exchanger; liquid and solid impurities carried in gas of the rotational flow are separated under the combined action of centrifugal force, collision resistance increasing and speed reducing, passive and active cooling and the like due to speed reduction, the separated liquid and the separated solid impurities are gathered on the inner wall of the gas-liquid separator, enter a liquid collector arranged on the inner wall of the gas-liquid separator, fall into a solid-liquid separator and a liquid separating disc at the bottom end of the gas-liquid separator, and are separated into solids through the solid-liquid separator, purified liquid flows to a liquid discharging port through the liquid separating disc, and when the separated liquid is gathered to a certain degree, the purified liquid is discharged through a liquid buffer tank and a liquid discharging valve; the separated gas enters the reversing pipe, is further filtered and adsorbed with residual liquid and solid impurities in a filtering silk screen and a filtering adsorber at the bottom of the reversing pipe, is thoroughly purified, and the purified gas flows upwards along the reversing pipe, enters a horizontal part tapered pipeline and a horizontal part tapered exhaust pipeline of the reversing pipe, is accelerated and is smoothly discharged.
The gas-liquid-solid multi-effect separator provided by the embodiment of the invention adopts a method of additionally arranging the heat exchanger in a body, so that the separation area and the heat dissipation area of a gas-liquid mixture to be separated are increased, meanwhile, the working mode of the heat exchanger can be divided into two cooling modes of passive cooling (as a part of a spiral plate structure) and passive and active cooling (connected with an external refrigeration and heat pump system to introduce working media, and the working media absorb the heat of the gas-liquid mixture and discharge the heat of the gas-liquid mixture), and the gas-liquid mixture deceleration rate and the gas-liquid separation rate are increased; the tangential air inlet and the tapered air inlet pipe are matched with the spiral plates with different intervals, so that the centrifugal force of airflow along the spiral plate rotational flow is improved, and the gas-liquid separation is enhanced; the complete purification of the gas is realized by matching with a filtering wire mesh and a filtering adsorber; the complete separation between liquid and solid is realized by matching with a solid-liquid separator; the flow velocity of the airflow is increased by matching with the gradually-reducing and gradually-expanding type reversing pipe and the gradually-expanding type exhaust pipe, so that smooth exhaust is guaranteed; the flow and the flow rate of the discharged liquid are controlled by matching the liquid separating disc and the liquid buffer tank, so that the running stability of the system is improved, and the service life of a liquid discharge valve is prolonged; the maintenance door is cooperated, so that consumable parts such as a filtering wire net, a filtering adsorber, a solid-liquid separator and the like are replaced in time, filtering solids are taken out, and the gas-liquid-solid separation efficiency and the separation effect are guaranteed. Therefore, the gas-liquid-solid multi-effect separator provided by the invention has the characteristics of thorough separation, high separation efficiency, stable and reliable operation, small volume, convenience in maintenance, low energy consumption, capability of obtaining purified gas and purified liquid and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a gas-liquid-solid multi-effect separator provided by an embodiment of the invention;
FIG. 2 is a schematic view of a tangential inlet duct provided in an embodiment of the present invention;
FIG. 3 is a schematic diagram of a structure of a spiral plate outer edge and a heat exchanger fin and an arrangement mode of the spiral plate and a heat exchanger provided by the embodiment of the invention;
FIG. 4 is a schematic view of a gas-liquid-solid multi-effect separator provided by another embodiment of the invention;
FIG. 5 is a schematic view of a gas-liquid-solid multi-effect separator provided in another embodiment of the invention;
FIG. 6 is a schematic view of a gas-liquid-solid multi-effect separator provided in another embodiment of the invention;
FIG. 7 is a schematic view of a gas-liquid-solid multi-effect separator provided in another embodiment of the invention;
FIG. 8 is a schematic view of a gas-liquid-solid multi-effect separator provided in another embodiment of the invention;
FIG. 9 is a schematic view of a gas-liquid-solid multi-effect separator provided in another embodiment of the invention;
FIG. 10 is a schematic view of a gas-liquid-solid multi-effect separator with an active cooling device according to another embodiment of the invention;
in the figure: 1. a heat exchanger; 2. an upper end cover; 3. an inlet end flange; 4. an air inlet pipe; 5. a spiral plate; 6. a liquid collecting pipe; 7. a reversing tube; 8. filtering the adsorber; 9. filtering the silk screen; 10. a support bar; 11. an access door; 12. a filter; 13. a liquid separating disc; 14. a liquid buffer tank; 15. a drain valve; 16. a separator housing; 17. a reversing plate; 18. an exhaust end flange; 19. an exhaust pipe; 20. and (4) sealing the flange.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element 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," "third," and the like 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, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 as appropriate by those of ordinary skill in the art.
In addition, in the description of the present invention, "a plurality", "a plurality of rows", "a plurality of columns", "several" means two or more, unless otherwise specified.
Example one
As shown in fig. 1 to 3, an embodiment of the present invention provides a gas-liquid-solid multi-effect separator, which includes a housing, an air inlet pipe, an air outlet pipe, a reversing plate, a spiral plate, a reversing pipe, a heat exchanger, a filtering wire mesh, a filtering adsorber, and a solid-liquid separator; the air inlet pipe 4 is a tapered reducer pipe, is arranged at the upper part of the shell 16 and is tangent to the circumference of the shell 16, so that tangential air inlet and acceleration are realized; the spiral plate 5 is provided with the heat exchanger 1, is arranged between the reversing pipe 7 and the shell 16 and is fixed on the reversing pipe 7, and gas-liquid separation is realized in the process that gas flows along the spiral plate; the heat exchanger 1 is a finned heat exchange tube, so that the gas-liquid separation area and the heat dissipation area are increased, and the gas collision, cooling and dehumidification are accelerated; the filtering wire mesh 9 is arranged below the filtering adsorber 8, both of which are positioned at the bottom of the reversing pipe 7, and filters, adsorbs and thoroughly purifies residual liquid and solid in the dehumidified gas together; the solid-liquid separator 12 is positioned at the lower end of the shell 16 and arranged on the liquid separation disc 13, and the outer diameter of the solid-liquid separator is equal to the inner diameter of the shell, so that solid-liquid separation is realized; the horizontal section of the reversing pipe 7 is positioned at the upper part of the vertical section and is a gradually expanding reducer; the exhaust pipe 19 is arranged on the other side of the shell 16, is coaxial with the air inlet pipe 4 and is a gradually expanding pipe, so that the flow speed of exhaust gas can be increased, and the gas can be discharged smoothly; flanges are arranged at the end parts of the air inlet pipe 4 and the exhaust pipe 19, namely an air inlet end flange 3 and an exhaust end flange 18, so that the connection with upstream and downstream equipment is facilitated, and the system tightness is guaranteed; the access door 11 is arranged at the lower end of the shell 16 and used for equipment maintenance; the liquid separating disc 13 is arranged below the solid-liquid separator 12, a plurality of liquid separating holes are formed in the liquid separating disc 13, and the liquid separating disc 13 is fixed on the shell 16 and plays a role in supporting the solid-liquid separator 12; the shell 16, the vertical section of the reversing pipe 7, the filtering adsorber 8, the filtering silk screen 9, the solid-liquid separator 12, the liquid separating disc 13 and the support rod 10 are coaxially arranged.
The embodiment of the invention provides a gas-liquid-solid multi-effect separator, which further comprises an upper end cover, a sealing flange, a liquid buffer tank and a liquid discharge valve; the sealing flange 20 connects the housing 16 with the upper end cap 2, so that the gas-liquid separator forms a sealing structure; the inlet of the liquid buffer tank 14 is connected with the liquid outlet of the shell 16, and the outlet of the liquid buffer tank 14 is connected with the liquid outlet valve 15, so that the purified liquid can be smoothly discharged.
By adopting the gas-liquid-solid multi-effect separator provided by the embodiment of the invention, a gas-liquid mixture enters the shell tangentially through the circumference of the tangential gas inlet channel shell, is accelerated under the action of the tapered gas inlet pipe, rapidly flows through the heat exchanger, releases heat to the heat exchanger, is equalized by channels among fins of the heat exchanger and is reversed by the reversing plate, and then flows downwards along spiral plate rotational flow provided with the heat exchanger; liquid and solid impurities carried in gas of the rotational flow are separated under the combined action of centrifugal force, collision resistance increasing and speed reducing, passive and active cooling and the like due to speed reduction, the separated liquid and the separated solid impurities are gathered on the inner wall of the gas-liquid separator, enter a liquid collector arranged on the inner wall of the gas-liquid separator, fall into a solid-liquid separator and a liquid separating disc at the bottom end of the gas-liquid separator, and are separated into solids through the solid-liquid separator, purified liquid flows to a liquid discharging port through the liquid separating disc, and when the separated liquid is gathered to a certain degree, the purified liquid is discharged through a liquid buffer tank and a liquid discharging valve; the separated gas enters the reversing pipe, is further filtered and adsorbed with residual liquid and solid impurities in a filtering silk screen and a filtering adsorber at the bottom of the reversing pipe, is thoroughly purified, and the purified gas flows upwards along the reversing pipe, enters a horizontal part tapered pipeline and a horizontal part tapered exhaust pipeline of the reversing pipe, is accelerated and is smoothly discharged.
According to the gas-liquid-solid multi-effect separator provided by the invention, the heat exchanger, the filtering wire mesh, the filtering absorber, the solid-liquid separator and the access door are additionally arranged on the conventional gas-liquid separator, so that the gas-liquid separation efficiency and the separation effect are improved, the function of thoroughly separating gas from solid and liquid from solid is added, and the thorough separation and purification of gas and liquid are realized; the gas-liquid separator changes the gas inlet mode, the gas inlet pipe, the reversing pipe, the exhaust pipe structure and the distance between the spiral reversing plates, reduces the gas flow loss by depending on the equipment structure, increases the gas flow rate, reduces the external energy consumption, has low operation cost, ensures that the gas inlet flow is uniformly distributed, reduces the operation noise and the equipment loss by changing the gas inlet mode and the addition of the heat exchanger, and improves the operation stability of the system and the service life of the equipment. Therefore, the gas-liquid separator provided by the invention has the characteristics of thorough separation, high separation efficiency, stable and reliable operation, small volume, convenience in maintenance, low energy consumption, capability of obtaining purified gas, purified liquid and removing solid impurities by multiple functions of one machine, and the like, and can be used in the technical fields of refrigeration, heat pumps, purification, extraction, liquid purification and other engineering.
In one embodiment, the spiral plate 5, the reversing pipe 7, the reversing plate 17, the heat exchanger 1, the filtering wire net 9, the filtering adsorber 8 and the solid-liquid separator 12 are arranged inside the gas-liquid-solid multi-effect separator shell 16, so that the separation of gas, liquid and solid in pairs can be thoroughly realized, and purified gas and purified liquid can be obtained.
In a specific embodiment, a heat exchanger 1 is arranged in the gas-liquid-solid multi-effect separator, the heat exchanger 1 is connected with a spiral plate 5, the heat exchanger 1 is a finned tube type heat exchanger, the heat exchanger increases the flowing contact area of gas entering a gas-liquid-solid shell, increases the gas separation area and the heat dissipation area, and accelerates the gas separation and dehumidification and the temperature reduction and dehumidification.
The heat exchanger 1 can be used as a part of a spiral plate 5, the heat exchanger is cooled and dehumidified by adopting a passive cooling mode only by increasing the heat dissipation area of airflow, working media can be introduced to be used as the temperature of gas absorbed by an evaporation section of a refrigeration or heat pump device to cool and dehumidify the gas by adopting an active cooling mode, the passive cooling mode and the active and passive combined cooling mode can be selected according to actual conditions and flexibly controlled, for example, for gas-liquid separation with low temperature, the passive cooling working mode can be adopted to reduce energy consumption, for gas-liquid separation with high temperature and humid gas, the active cooling mode and the passive cooling mode are combined, the gas-liquid separation efficiency is improved, the gas-liquid thorough separation is realized, and the system operation is reliable and convenient.
The heat exchanger 1 is arranged in a gas-liquid-solid multi-effect separator shell 16, a plurality of small channels formed among fins at an air inlet form a flow equalizer, so that airflow entering the gas-liquid-solid multi-effect separator shell 16 through the air inlet pipe 4 passes through the small channels, then flow fields are uniformly distributed, and the working stability of the gas-liquid-solid multi-effect separator is improved.
In a specific embodiment, the gas-liquid-solid multi-effect separator gas inlet pipe 4 is arranged at the upper part of one side of the shell 16, and the axial direction of the gas inlet pipe 4 is tangential to the circumference of the shell 16 to realize tangential gas inlet; the air inlet pipe 4 is a reducing pipe, and the air inlet speed can be increased. The flow equalizing and speed increasing effect generated by the tangential air inlet pipeline and the heat exchanger fins in the air inlet increases the centrifugal force in the gas flowing process, thereby improving the gas-liquid separation efficiency and effect, weakening the noise generated by the direct impact of the air inlet on the spiral plate 5 and the reversing pipe 7, and improving the working stability and reliability of the gas-liquid-solid multi-effect separator.
In a specific embodiment, the heights of the cavities formed by the spiral plate 5, the reversing plate 17, the inner wall of the shell 16 and the outer wall of the reversing tube 7 are different to form a multistage contraction and expansion structure of the airflow channel, and the height d of the cavity formed between the first-stage spiral plate and the second-stage spiral plate1Is less than the height d of the cavity formed by the second-stage spiral plate and the third-stage spiral plate2The height d of the cavity formed by the second stage spiral plate and the third stage spiral plate2Is greater than the height d of the cavity formed by the third stage spiral plate and the fourth stage spiral plate3If there are multiple spiral plates, the height of the cavity formed by adjacent spiral plates is in variable interval form of small, large, small, large and small … … to reasonably distribute airflow, reduce on-way resistance, ensure flow speed, reduce spiral plates andthe loss of the heat exchanger improves the service life of the spiral plate and the heat exchanger.
In a specific embodiment, the reversing pipe 7 is divided into a vertical section and a horizontal section, the bottom pipeline of the vertical pipe of the reversing pipe is a tapered pipeline, the diameter of the bottommost pipe of the vertical pipe of the reversing pipe is maximum, and the pipe diameter is gradually reduced from the maximum pipe diameter to the bottom of the spiral plate 5 and then becomes a pipe with a uniform cross section; when the vertical section of the reversing pipe is higher than the reversing plate 17, the reversing pipe is changed from a vertical pipe to a horizontal pipe, the horizontal section of the reversing pipe is coaxial with the exhaust pipe 19, and the horizontal section of the reversing pipe is an expanding and gradually contracting type pipeline so as to adapt to the gas flow speed change and the exhaust requirement.
In one embodiment, the exhaust pipe 19 of the gas-liquid-solid multi-effect separator is arranged on the upper portion of the other side of the shell 16, the exhaust pipe is a divergent pipe and is connected with the horizontal section of the reversing pipe 7, the exhaust pipe 19 is coaxial with the horizontal section of the reversing pipe 7 to ensure smooth exhaust, an exhaust end flange 18 is arranged at the outer end of the exhaust pipe, the exhaust pipe is connected with pipelines with various downstream dimensions through flanges, the sealing performance is good, the connection and the disassembly are convenient, and the service life of the flanges is long.
In a specific embodiment, the tapered pipe part at the bottom of the vertical section of the reversing pipe 7 is sequentially provided with a filtering screen 9 and a filtering adsorber 8 from bottom to top, the filtering screen 9 and the filtering adsorber 8 are supported by a supporting rod 10, the supporting rod 10 is fixed on a liquid distribution disc 13, the filtering screen 9, the filtering adsorber 8, the supporting rod 10 and the liquid distribution disc 13 are coaxially arranged, the filtering screen 9 and the filtering adsorber 8 are both of a multilayer structure, the supporting rod 10 can be retracted and detached, the filtering screen 9 and the filtering adsorber 8 can be conveniently replaced in a small space, the separation effect of equipment is ensured, and the service life of the equipment is prolonged.
In one specific embodiment, the bottom of the inner side of the gas-liquid-solid multi-effect separator shell 16 is provided with a solid-liquid separator 12 and a liquid separating disc 13, and the solid-liquid separator 12 and the liquid separating disc 13 are positioned right below the vertical section of the reversing pipe 7 and are coaxial with the vertical section of the reversing pipe 7; the solid-liquid separator 12 is arranged on the liquid separating disc 13, and the outer diameter of the solid-liquid separator 12 is equal to the inner diameter of the shell 16 so as to ensure that solid and liquid are completely separated; the liquid separating disc 13 is fixed on the inner side of the shell 16 of the gas-liquid separator, the liquid separating disc 13 is provided with a plurality of liquid separating holes, so that purified liquid flows out uniformly, the flowing noise is reduced, the running stability of the equipment is ensured, and a cavity below the liquid separating disc 13 is a temporary storage space for separated liquid in the shell 16; a liquid discharge port is formed at the bottom of the casing 16, and separated liquid is discharged through the liquid discharge port after being accumulated to a certain volume in the temporary storage space.
In one specific embodiment, a liquid outlet of the gas-liquid-solid multi-effect separator is connected with a liquid buffer tank 14 through a pipeline, and the liquid outlet of the liquid buffer tank 14 is connected with a liquid discharge valve 15, so that separated liquid is discharged in time, and excessive liquid accumulated in a shell is avoided; the liquid buffer tank 14 is a buffer device after purified liquid is discharged out of the shell and can be used as a liquid flow and flow rate regulator, so that impact of liquid flowing out quickly on a drain valve below is avoided, the running stability of equipment is improved, and the service life of the drain valve is prolonged; the liquid discharge valve 15 can be a plurality of manual valves or automatic valves, and the requirements of controllable flow rate and sealing of liquid discharge can be met.
In one embodiment, as shown in fig. 3, the heat exchanger 1 is a fin-tube heat exchanger, which may be a single tube or multiple tubes, and may be a round tube, a rectangular tube, an oval tube, etc., and may be in the form of a wound-fin type, a turbulent type, a grooved type, a micro-ribbed tube and/or a threaded tube, wherein the fins are vertically and/or obliquely fixed on the heat exchange tubes, and the heat exchange tubes are internally threaded tubes and/or light tubes and/or internally ribbed tubes and/or micro-channels.
As shown in fig. 3, the heat exchanger 1 may be provided on the outer edge of the spiral plate 5 and/or on the plate; the heat exchanger may be located above, below and/or through the spiral plate 5.
In one embodiment, the material coatings of the heat exchanger 1, the spiral plate 5, the reversing plate 17, the reversing/7 and the liquid collecting pipe 6 can be/are hydrophobic and oleophobic self-cleaning materials, so that the falling rate of the dehumidifying liquid and impurities is increased, the gas-liquid separation efficiency is improved, and the cleanness and the efficient work of equipment are kept.
Example two
The difference between this embodiment and the first embodiment is that the horizontal segment of the reversing tube is partially different. As shown in fig. 4, in this embodiment, the horizontal pipe portion of the reversing pipe is a pipe with an equal cross section, and the structure and the beneficial effects of the other portions not described are the same as those of the first embodiment. The advantage of this embodiment is that the uniform cross section pipe is convenient for processing and making.
EXAMPLE III
The difference between this embodiment and the first embodiment is that the position of the air inlet pipe is different from that of the reversing pipe structure. As shown in fig. 5, in the present embodiment, the intake pipe is located at one side of the housing, and is coaxial with the exhaust pipe; the reversing pipe only has a vertical section part, purified gas directly enters a large space cavity formed by the shell, the reversing plate and the upper end cover through the reversing pipe and then is discharged through the exhaust pipe. Other structures and beneficial effects of the parts which are not described are the same as those of the first embodiment. The advantage of this embodiment lies in, intake pipe and blast pipe are coaxial, and processing is convenient.
Example four
The present embodiment is different from the first embodiment in that the filter adsorber is installed at a different location. As shown in fig. 6, in the present embodiment, the filtering adsorber is disposed at the exhaust port of the housing, and the gas is exhausted after being adsorbed and purified by the filtering adsorber. Other structures and beneficial effects of the parts which are not described are the same as those of the first embodiment. The benefit of this embodiment is that it facilitates maintenance and replacement of the filtration adsorber.
EXAMPLE five
The difference between the present embodiment and the first embodiment is that the structural form of the heat exchanger is different from that of the horizontal segment of the reversing tube. As shown in fig. 7, in the present embodiment, the heat exchanger is of a winding type and is disposed at the outer edge of the spiral plate; the horizontal pipe part of the reversing pipe is a pipe with equal section. Other structures and beneficial effects of the parts which are not described are the same as those of the first embodiment. The embodiment has the advantages that the uniform-section pipe is convenient to process and manufacture; the resistance of the wound heat exchanger to airflow rotational flow is smaller than that of the finned tube heat exchanger, and the airflow rotational flow loss is reduced.
EXAMPLE six
The difference between the present embodiment and the first embodiment is that the structural form of the heat exchanger is different from that of the horizontal segment of the reversing tube. As shown in fig. 8, in this embodiment, the heat exchanger is a combination of a finned tube type heat exchanger and a wound type heat exchanger, the heat exchanger at the air inlet is a finned tube type heat exchanger, and the heat exchanger arranged at the outer edge of the spiral plate is a wound type heat exchanger; the horizontal pipe part of the reversing pipe is a pipe with equal section. Other structures and beneficial effects of the parts which are not described are the same as those of the first embodiment. The embodiment has the advantages that the uniform-section pipe is convenient to process and manufacture; the tiny channels among the fins of the fin tube type heat exchanger at the air inlet can be used as a flow equalizer, and the resistance of the wound heat exchanger to airflow rotational flow is smaller than that of the fin tube type heat exchanger, so that the flowing loss of the airflow rotational flow is reduced.
EXAMPLE seven
The difference between the present embodiment and the first embodiment is that the structural form of the heat exchanger is different from that of the horizontal segment of the reversing tube. As shown in fig. 9, in this embodiment, the heat exchanger is a heat pipe heat exchanger, the heat pipe heat exchanger has a plurality of heat pipes penetrating through the rotational flow plate, an evaporation section of the heat pipe heat exchanger is located below the reversing plate in the separator housing, a condensation section of the heat pipe heat exchanger is located outside the separator housing, and heat released by condensation of the heat pipe working medium can be recycled; the horizontal pipe part of the reversing pipe is a pipe with equal section. Other structures and beneficial effects of the parts which are not described are the same as those of the first embodiment. The embodiment has the advantages that the uniform-section pipe is convenient to process and manufacture; the heat pipe type heat exchanger has higher heat exchange efficiency.
Example eight
The present embodiment is different from the first embodiment in that an active cooling device is provided. As shown in fig. 10, in the present embodiment, an active cooling device is provided, which includes a working medium tank, a working medium pump, a heat exchanger in the working medium tank, and a cooling fan, and the device is cooled by using a working medium, the working medium is stored in the working medium tank, and is pumped by the working medium pump into the heat exchanger of the gas-liquid separator, and returns to the working medium tank after absorbing heat of the gas to be separated in the gas-liquid separator, a wind cooling device is disposed outside the working medium tank, a heat exchanger is disposed in the working medium tank, the heat exchanger is an immersion heat exchanger, the low-temperature dry purified gas discharged from the gas-liquid separator is discharged after absorbing heat of the working medium in the working medium tank by the heat exchanger, and the working medium is cooled and. Other structures and beneficial effects of the parts which are not described are the same as those of the first embodiment.
Similar to this embodiment, the heat exchanger of the gas-liquid separator can be connected with a refrigeration system, a heat pump system, a thermoelectric power generation system and the like, so that the purposes of recycling waste heat resources and reducing the running energy consumption of equipment are achieved while fast and efficient gas-liquid separation is realized.
According to the gas-liquid-solid multi-effect separator provided by the embodiment, the method that the heat exchanger is additionally arranged in the separator body is adopted, the separation area and the heat dissipation area of a gas-liquid mixture to be separated are increased, meanwhile, the working mode of the heat exchanger can be divided into two cooling modes of passive cooling (as a part of a spiral plate structure) and passive and active cooling (connected with an external refrigeration and heat pump system to introduce working media, and the working media absorb heat of the gas-liquid mixture and discharge the heat of the gas-liquid mixture), and the gas-liquid mixture deceleration rate and the gas-liquid separation rate are increased; the tangential air inlet and the tapered air inlet pipe are matched with the spiral plates with different intervals, so that the centrifugal force of airflow along the spiral plate rotational flow is improved, and the gas-liquid separation is enhanced; the complete purification of the gas is realized by matching with a filtering wire mesh and a filtering adsorber; the complete separation between liquid and solid is realized by matching with a solid-liquid separator; the flow velocity of the airflow is increased by matching with the gradually-reducing and gradually-expanding type reversing pipe and the gradually-expanding type exhaust pipe, so that smooth exhaust is guaranteed; the flow and the flow rate of the discharged liquid are controlled by matching the liquid separating disc and the liquid buffer tank, so that the running stability of the system is improved, and the service life of a liquid discharge valve is prolonged; the maintenance door is cooperated, so that consumable parts such as a filtering wire net, a filtering adsorber, a solid-liquid separator and the like are replaced in time, filtering solids are taken out, and the gas-liquid-solid separation efficiency and the separation effect are guaranteed. Therefore, the gas-liquid-solid multi-effect separator provided by the invention has the characteristics of thorough separation, high separation efficiency, stable and reliable operation, small volume, convenience in maintenance, low energy consumption, capability of obtaining thorough purified gas, thoroughly purifying liquid, thoroughly removing solid impurities and the like by using multiple effects of one machine, and can be used in the technical fields of refrigeration, heat pumps, separation, purification, extraction, liquid purification and other engineering.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A gas-liquid-solid multi-effect separator comprises a shell, an air inlet pipe, an exhaust pipe, a reversing plate, a spiral plate, a reversing pipe, a heat exchanger, a filtering wire mesh, a filtering adsorber, a solid-liquid separator, a liquid separating disc and a support rod; the tapered air inlet pipe is arranged at the upper part of the shell and is tangent to the circumference of the shell, so that tangential air inlet and airflow acceleration are realized; the spiral plate is provided with a heat exchanger which is fixed on the reversing pipe, and gas-liquid separation is realized in the process that gas flows along the spiral plate; the heat exchanger is a finned tube type heat exchange tube, so that the cooling and dehumidifying of the gas are accelerated; the reversing pipe is divided into a vertical section and a horizontal section, and the horizontal section of the reversing pipe is a gradually expanding reducer; the lowermost end of the reversing pipe is sequentially provided with a filtering wire mesh and a filtering adsorber upwards to filter and adsorb liquid and solid in gas, and the filtering wire mesh and the filtering adsorber are supported and fixed by the supporting rod; the support rods are multi-stage telescopic and detachable and are arranged on the liquid distribution disc; the solid-liquid separator is used for realizing solid-liquid separation, is positioned at the lower part of the shell and is arranged on the liquid separating disc, the solid-liquid separator and the liquid separating disc are coaxial with the vertical pipe of the reversing pipe, and the outer diameter of the solid-liquid separator is equal to the inner diameter of the shell; the liquid separating disc is provided with a plurality of liquid separating holes and is fixed on the inner wall of the shell; the exhaust pipe is arranged on the other side of the shell and is a gradually expanding pipe, and the end part of the exhaust pipe is provided with the flange;
the gas-liquid-solid multi-effect separator also comprises an upper end cover, a sealing flange, an access door, a liquid buffer tank and a drain valve; the sealing flange connects the housing with the upper end cover; the access door is arranged at the lower end of the side surface of the shell; and the outlet of the liquid collector is connected with the liquid discharge valve.
2. The gas-liquid-solid multi-effect separator according to claim 1, wherein a heat exchanger is arranged in the gas-liquid-solid multi-effect separator, the heat exchanger is connected with the spiral plate, the heat exchanger is a fin tube type heat exchanger, the heat exchanger can be a single tube or a plurality of tubes, and can be a round tube, a rectangular tube, an oval tube and the like, the structural form of the heat exchanger can be a wound sheet type, a turbulent flow type, a groove type, a micro-ribbed tube, a threaded tube and/or a combination of a plurality of modes, fins are vertically and/or obliquely fixed on a heat exchange tube, and the interior of the heat exchange tube is a threaded tube and/or a light tube and/or an inner ribbed tube and/;
the heat exchanger can be arranged on the outer edge of the spiral plate and/or the plate; the heat exchangers can be positioned above, below and in the middle of the spiral plate; the heat exchanger may traverse the spiral plate laterally or longitudinally.
3. The gas-liquid-solid multi-effect separator as claimed in claim 3, wherein the heat exchanger has two modes of passive cooling and active-passive combined cooling, namely the heat exchanger is used as a part of the spiral plate, and the heat exchanger is cooled and dehumidified by adopting a passive cooling mode by simply increasing the heat dissipation area of the airflow; meanwhile, working media can be introduced to serve as the temperature of the gas absorbed by the evaporation section of the refrigeration or heat pump device, and the gas is cooled and dehumidified by adopting an active cooling mode, wherein the passive cooling mode and the active and passive combined cooling mode can be selected according to actual conditions and can be flexibly controlled;
the heat exchanger is arranged on a tiny channel among fins at the air inlet to form a flow equalizer of the gas-liquid-solid multi-effect separator.
4. The gas-liquid-solid multi-effect separator according to claim 1, wherein the gas inlet pipe of the gas-liquid-solid multi-effect separator is axially tangent to the circumference of the shell, the gas inlet pipe is a reducer, and the outlet of the gas inlet pipe faces the heat exchanger.
5. The gas-liquid-solid multi-effect separator as claimed in claim 1, wherein the spiral plates and the inner wall of the housing and the outer wall of the reversing tube form a plurality of cavities with different heights, the height d1 of the cavity formed between the first-stage spiral plate and the second-stage spiral plate is smaller than the height d2 of the cavity formed between the second-stage spiral plate and the third-stage spiral plate, the height d2 of the cavity formed between the second-stage spiral plate and the third-stage spiral plate is larger than the height d3 of the cavity formed between the third-stage spiral plate and the fourth-stage spiral plate, and if there are multiple stages of spiral plates, the heights of the cavities formed by adjacent spiral plates are in a variable-pitch form of small, large, small, large and small … ….
6. The gas-liquid-solid multi-effect separator according to claim 1, wherein the reversing tube is fixed in the housing through the reversing plate, the reversing tube is fixed on the spiral plate and comprises a vertical section and a horizontal section, the bottom of the vertical section of the reversing tube is a reducing tube, a filtering wire mesh and a filtering adsorber are arranged from the lowest end, the upper part of the vertical section is a uniform-section tube, the vertical section of the reversing tube is coaxial with the housing, the upper end cover, the filtering wire mesh and the filtering adsorber, the horizontal tube of the reversing tube is a gradually expanding reducing tube, and the horizontal section of the reversing tube is coaxially connected with the exhaust tube.
7. The gas-liquid-solid multi-effect separator as claimed in claim 1, wherein the exhaust pipe is arranged at the other side of the shell and is a divergent pipe, the exhaust pipe is coaxially connected with the horizontal section of the reversing pipe, and the exhaust end flange is arranged at the outer end of the exhaust pipe.
8. The gas-liquid-solid multi-effect separator according to claim 1, wherein the filtering adsorber is disposed above the filtering screen, the filtering adsorber and the filtering screen are both disposed in a tapered pipe at the end of the vertical section of the reversing pipe, the filtering adsorber, the filtering screen and the reversing pipe are coaxial, the filtering screen and the filtering adsorber are supported by the supporting rods, the supporting rods are multi-stage telescopic detachable supporting rods and fixed on the liquid separating plate, and the filtering screen and the filtering adsorber are both of a multi-layer structure.
9. The gas-liquid-solid multi-effect separator as claimed in claim 1, wherein the solid-liquid filter is located at a lower layer inside the housing and is disposed on the liquid separation disc, the solid-liquid separator and the liquid separation disc are coaxial with the vertical section of the reversing pipe, the outer diameter of the solid-liquid separator is equal to the inner diameter of the housing, the liquid separation disc is provided with a plurality of liquid separation holes, the liquid separation disc is fixed on the inner wall of the housing, and the support rods are fixed on the liquid separation disc in a movable connection or a fixed connection.
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| CN112221253A (en) * | 2020-11-10 | 2021-01-15 | 天津君宇科技股份有限公司 | Exhaust structure |
| CN112495065A (en) * | 2020-11-10 | 2021-03-16 | 湖南创源生物科技有限公司 | Saccharification liquid cooling arrangement with gas-liquid separation structure |
| CN114811985A (en) * | 2022-06-08 | 2022-07-29 | 广州市凌静制冷设备有限公司 | Energy-saving environment-friendly flooded screw machine water chilling unit |
| CN115138170A (en) * | 2022-07-05 | 2022-10-04 | 东北林业大学 | Vehicle natural gas dehydration equipment and use method |
| CN115212683A (en) * | 2021-04-21 | 2022-10-21 | 佛山希望数码印刷设备有限公司 | Gas-liquid separation device for ink |
| CN117919905A (en) * | 2024-03-25 | 2024-04-26 | 沁源县金能电力科技有限公司 | Gas-liquid separator |
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