CN111375267A - Gas-liquid-solid multi-effect separator - Google Patents

Abstract

The invention relates to the technical field of filtration, purification 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 filter wire mesh, a filter adsorption separator and solid-liquid separator; the tapered air intake pipe is arranged on the upper part of the shell and is tangent to the circumference of the shell to realize tangential intake air and air flow acceleration; a heat exchanger is provided on the spiral plate, which is fixed on the reversing pipe, Gas-liquid separation is realized in the process of gas flowing along the spiral plate; the heat exchanger is a finned-tube heat exchange tube, which accelerates the cooling and dehumidification of the gas; the innermost end of the commutation tube is provided with a filter wire mesh and a filter adsorber in turn. The liquid and solid in the gas are filtered and adsorbed; the solid-liquid separator is located in the lower part of the shell to realize solid-liquid separation; the horizontal section of the reversing pipe is a gradually expanding and constricting pipe, and the gradually expanding exhaust pipe is located on the other side of the shell, which is connected with the The intake pipe is coaxial. The gas-liquid-solid multi-effect separator provided by the invention realizes the complete separation and purification of gas and liquid, has high separation efficiency and reliable and stable operation.

Description

A gas-liquid-solid multi-effect separator

technical field

The invention relates to the technical field of filtration and purification, in particular to a gas-liquid-solid multi-effect separator.

Background technique

The gas-liquid separator is mainly used in the drying of wet gas or the extraction and recovery of liquid containing gas. It is also used in various industrial and civil occasions such as gas impurity removal, oil and gas separation, and liquid impurity removal. The traditional gas-liquid separator for gas-liquid separation, especially the gas-liquid separation of high-temperature gas, has problems such as incomplete gas-liquid separation, inability to effectively separate solids and oil impurities, and solids in the liquid after separation. To meet the separation requirements, multi-stage separation and other processes need to be used together, which makes the system complex, bulky and difficult to maintain. In addition, the gas-liquid separator in the prior art has insufficient filtering function, and the incomplete gas-liquid separation will lead to a situation in the subsequent process. For example, in the field of compressor refrigeration, moisture-containing gas entering the compressor will lead to liquid shock of the compressor. , lead to damage to equipment, cause accidents, and shorten the service life of the compressor; in the field of extraction, the gas-liquid-solid separation is not complete, and impurities are mixed in the product to reduce the purity, and also reduce the extraction capacity of the extraction equipment.

SUMMARY OF THE INVENTION

The embodiment of the present invention is used to solve the problems and deficiencies of the existing gas-liquid separator that the gas-liquid separation is incomplete, and the single function cannot effectively separate the solid and oil impurities, and provides a kind of effective separation of gas and liquid and solid impurities. Technical solutions and equipment for separation and realization of gas purification and condensate recovery.

The embodiment of the present invention provides a gas-liquid-solid separator, including a shell, an air inlet pipe, an exhaust pipe, a spiral plate, a reversing plate, a reversing pipe, a heat exchanger, a filter wire mesh, a filter adsorber, a solid-liquid Separator and liquid separator; the air inlet pipe is a tapered pipe, tangent to the circumference of the casing, and the outlet of the air inlet pipe faces the heat exchanger; the spiral plate is wound on the reversing pipe , connected with the heat exchanger; the heat exchanger is a fin-and-tube heat exchanger, including a heat exchange tube and fins; the reversing tube includes a vertical tube part and a horizontal tube part, and the reversing tube The bottom of the vertical pipe is a reducing pipe, and a filter screen and a filter adsorber are arranged from bottom to top. The upper part of the vertical pipe is a pipe of equal section, the horizontal pipe of the reversing pipe is coaxial with the exhaust pipe, and the horizontal pipe is reducer; the filter wire mesh and the filter adsorber are supported and fixed by the support rod; the support rod is multi-stage retractable and detachable, and is arranged on the liquid separator; the solid-liquid filter The separator is located at the lower end of the casing and is arranged on the liquid separator, the solid-liquid separator and the liquid separator are coaxial with the vertical pipe of the reversing tube, and the outer diameter of the solid-liquid separator is the same as that of the liquid separator. The inner diameters of the shells are equal, and the liquid-separating plate is provided with a number of liquid-separating holes, and the liquid-separating plate is fixed on the inner wall of the shell; The expansion pipe is provided with the flange at the end of the exhaust pipe.

A gas-liquid-solid multi-effect separator, further comprising an upper end cover, a sealing flange, an inspection door, a liquid buffer tank and a drain valve; the sealing flange connects the casing with the upper end cover; the repairing The door is arranged at the lower end of the side surface of the casing; the outlet of the liquid collector is connected with the drain valve.

Wherein, the gas-liquid-solid multi-effect separator passes through the air inlet pipe, the spiral plate, the heat exchanger, the reversing pipe, the reversing plate, the filter wire mesh, the filter adsorption The solid-liquid separator and the solid-liquid separator can completely realize gas purification and liquid purification.

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-and-tube heat exchanger, and the heat exchanger can be a single tube Or multiple tubes, which can be round tubes, rectangular tubes and elliptical tubes, etc. The structure of the heat exchanger can be wound fin type, turbulent type, trough type, micro-ribbed tube, threaded tube and/or a combination of several methods. The sheet is fixed vertically and/or obliquely on the heat exchange tube, and the inside of the heat exchange tube is a threaded tube or a light tube and/or an inner ribbed tube and/or a microchannel;

The heat exchanger can be arranged on the outer edge and/or plate of the spiral plate; the heat exchanger can be located above, below and in the middle of the spiral plate; the heat exchanger can pass through the spiral plate laterally or longitudinally.

Among them, the heat exchanger has two working modes: passive cooling and active-passive combined cooling, that is, the heat exchanger, as a part of the spiral plate, simply relies on increasing the airflow heat dissipation area and adopts a passive cooling method to cool down and dehumidify; At the same time, the working fluid can also be passed into the evaporating section of the refrigeration or heat pump device to absorb the gas temperature. Active cooling is used to cool and dehumidify the gas. The above passive cooling method and active-passive combined cooling method can be selected according to the actual situation and controlled flexibly;

The micro-channels between the fins of the heat exchanger arranged at the air inlet constitute the flow equalizer of the gas-liquid-solid multi-effect separator.

Wherein, the air inlet pipe of the gas-liquid-solid multi-effect separator is axially tangent to the circumference of the casing, the air inlet pipe is a tapered pipe, and the outlet of the air inlet pipe faces the heat exchanger.

The heights of several cavities formed by the spiral plate, the inner wall of the casing and the outer wall of the reversing tube are inconsistent, and the height d ₁ of the cavity formed between the first-stage spiral plate and the second-stage spiral plate is smaller than that of the second-stage spiral plate. The cavity height d ₂ formed by the spiral plate and the third-stage spiral plate, the cavity height d ₂ formed by the second-stage spiral plate and the third-stage spiral plate is greater than the cavity formed by the third-stage spiral plate and the fourth-stage spiral plate For the height d ₃ , if there are multi-stage spiral plates, the height of the cavity formed by the adjacent spiral plates is small, large, small, large, small...

The reversing tube is fixed in the casing through the reversing plate, the reversing tube fixes the spiral plate, and includes two parts, a vertical section and a horizontal section, and the bottom of the vertical section of the reversing tube is gradually The tube is reduced, and the filter screen and the filter adsorber are set up from the bottom end. The upper part of the vertical section is a tube of equal section. , The filter and adsorber are coaxial, the horizontal pipe of the reversing pipe is a gradually expanding and reducing pipe, and the horizontal section of the reversing pipe is coaxially connected to the exhaust pipe.

Wherein, the exhaust pipe is arranged on the other side of the casing 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 flange.

Wherein, the filter adsorber is arranged above the filter wire mesh, and the filter adsorber and the filter wire mesh are both arranged in the tapered pipe at the end of the vertical section of the reversing pipe. The filter wire mesh is coaxial with the vertical pipe of the reversing pipe, and the filter wire mesh and the filter adsorber are supported by the support rod, which is a multi-stage retractable and detachable support rod, which is fixed on the support rod. On the liquid separation tray, the filter wire mesh and the filter adsorber are both multi-layered structures.

Wherein, the solid-liquid filter is located in the lower layer of the inner side of the shell, and is arranged on the liquid separator, the solid-liquid separator and the liquid separator are coaxial with the vertical section of the reversing pipe, and the The outer diameter of the solid-liquid separator is equal to the inner diameter of the shell, a number of liquid separation holes are opened on the liquid separation plate, the liquid separation plate is fixed on the inner wall of the shell, and the liquid separation plate is fixed on the The support rod can be connected in a movable connection or a fixed connection.

Wherein, the liquid discharge port of the gas-liquid-solid multi-effect separator is connected to the liquid buffer tank, and the liquid buffer tank is connected to the liquid discharge valve, and the liquid discharge valve is various types of manual or automatic valves.

Wherein, the access door is arranged at the lower part of the side surface of the casing.

Wherein, the material coating of the heat exchanger, the spiral plate and the reversing tube may be/or be a hydrophobic and oleophobic self-cleaning material.

The invention provides a gas-liquid-solid multi-effect separator. The gas-liquid mixture enters the shell tangentially through the circumference of the tangential inlet duct, increases speed under the action of the tapered inlet pipe, and flows through the heat exchanger quickly. After the heat is released to the heat exchanger and is evenly flowed by the channels between the fins of the heat exchanger and reversed by the reversing plate, it flows downward along the swirling flow of the spiral plate provided with the heat exchanger; the liquid entrained in the swirling gas Due to the speed reduction, the solid impurities are separated under the combined action of centrifugal force, collision resistance increase and speed reduction, passive and active cooling and cooling, etc. The separated liquid and solid impurities accumulate on the inner wall of the gas-liquid separator and enter the gas-liquid separator. The liquid collector at the inner wall of the separator falls into the solid-liquid separator and the liquid separator at the bottom of the gas-liquid separator. After the solid is separated by the solid-liquid separator, the purified liquid flows from the liquid separator to the discharge port. The liquid is collected to a certain extent and discharged through the liquid buffer tank and the drain valve; the separated gas enters the reversing pipe, and is further filtered and adsorbed in the filter screen and filter adsorber at the bottom of the reversing pipe. Purification, the purified gas flows upward along the reversing pipe, enters the horizontal part of the reversing pipe and the gradually expanding exhaust pipe increases speed and is discharged smoothly.

The gas-liquid-solid multi-effect separator provided by the embodiment of the present invention adopts the method of adding a heat exchanger in the body to increase the separation area and heat dissipation area of the gas-liquid mixture to be separated. At the same time, the working mode of the heat exchanger can be divided into passive type Cooling (as a part of the spiral plate structure) and passive and active cooling (connected with external refrigeration and heat pump systems to enter the working medium, relying on the working medium to absorb the heat of the gas-liquid mixture and discharge it) combined with two cooling modes to improve gas Deceleration rate of liquid mixture and gas-liquid separation rate; cooperate with tangential air intake, tapered air intake pipes and spiral plates with different spacings to improve the centrifugal force of the air flow along the spiral plate and strengthen the separation of gas and liquid; cooperate with filter mesh and filter adsorption It can realize complete gas purification; cooperate with solid-liquid separator to achieve complete separation between liquid and solid; cooperate with tapered, gradually expanded and tapered reversing pipe and gradually expanded exhaust pipe to increase the airflow velocity to ensure smooth exhaust; The liquid pan and liquid buffer tank are used to control the flow rate and flow rate of the liquid discharge to improve the system operation stability and the service life of the liquid discharge valve; with the access door, the consumable parts such as the filter wire mesh, filter adsorber and solid-liquid separator can be controlled. Replace it in time and take out the filtered solid to ensure the gas-liquid-solid separation efficiency and separation effect. Therefore, the gas-liquid-solid multi-effect separator provided by the present invention has the characteristics of complete separation, high separation efficiency, stable and reliable operation, small volume, convenient maintenance, low energy consumption, and availability of purified gas and purified liquid.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

1 is a schematic diagram of a gas-liquid-solid multi-effect separator provided by an embodiment of the present invention;

2 is a schematic diagram of a tangential air intake duct provided by an embodiment of the present invention;

3 is a schematic diagram of the spiral plate outer edge plus heat exchanger fin structure and the arrangement of the spiral plate and the heat exchanger according to an embodiment of the present invention;

4 is a schematic diagram of a gas-liquid-solid multi-effect separator provided by another embodiment of the present invention;

5 is a schematic diagram of a gas-liquid-solid multi-effect separator provided by another embodiment of the present invention;

6 is a schematic diagram of a gas-liquid-solid multi-effect separator provided by another embodiment of the present invention;

7 is a schematic diagram of a gas-liquid-solid multi-effect separator provided by another embodiment of the present invention;

8 is a schematic diagram of a gas-liquid-solid multi-effect separator provided by another embodiment of the present invention;

9 is a schematic diagram of a gas-liquid-solid multi-effect separator provided by another embodiment of the present invention;

10 is a schematic diagram of a gas-liquid-solid multi-effect separator with an active cooling device provided by another embodiment of the present invention;

In the figure: 1. Heat exchanger; 2. Upper end cover; 3. Inlet flange; 4. Intake pipe; 5. Spiral plate; 6. Liquid collector; 7. Reversing pipe; 8. Filter adsorber; 9. Filter screen; 10. Support rod; 11. Access door; 12. Filter; 13. Separation tray; 14. Liquid buffer tank; 15. Drain valve; 16. Separator housing; 17. Reversing direction plate; 18, exhaust flange; 19, exhaust pipe; 20, sealing flange.

Detailed ways

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "portrait", "horizontal", "top", "bottom", "front", "rear", "left", "right", " The orientations or positional relationships indicated by vertical, horizontal, top, bottom, inside, and outside are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying It is described, rather than indicated or implied, that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific conditions.

In addition, in the description of the present invention, unless otherwise specified, "plurality", "multiple rows", "multiple columns" and "several" mean two or more.

Example 1

As shown in FIG. 1 to FIG. 3 , an embodiment of the present invention provides a gas-liquid-solid multi-effect separator, including a shell, an air inlet pipe, an exhaust pipe, a reversing plate, a spiral plate, a reversing pipe, and a heat exchanger , filter wire mesh, filter adsorber and solid-liquid separator; the air inlet pipe 4 is a tapered reducing pipe, which is arranged on the upper part of the casing 16 and is tangent to the circumference of the casing 16 to realize tangential air intake and acceleration; 5 is provided with a heat exchanger 1, which is arranged between the reversing tube 7 and the shell 16, and is fixed on the reversing tube 7. The gas-liquid separation is realized during the flow of the gas along the spiral plate; the heat exchanger 1 is a fin type. The heat exchange tube increases the gas-liquid separation area and the heat dissipation area, and accelerates gas collision and cooling and dehumidification; the filter wire mesh 9 is arranged under the filter adsorber 8, and the two are located at the bottom of the reversing tube 7, and jointly dehumidify the dehumidified gas. The residual liquid and solid are thoroughly purified by filtration and adsorption; the solid-liquid separator 12 is located at the lower end of the shell 16 and is set on the liquid separator 13, and the outer diameter of the solid-liquid separator is equal to the inner diameter of the shell to achieve solid-liquid separation; the reversing pipe 7 The horizontal section is located at the upper part of the vertical section, which is a gradually expanding and reducing pipe; the exhaust pipe 19 is arranged on the other side of the casing 16, coaxial with the intake pipe 4, and is a gradually expanding pipe, which can increase the exhaust flow rate and ensure the smooth discharge of the gas ; The ends of the intake pipe 4 and the exhaust pipe 19 are provided with flanges, which are the intake end flange 3 and the exhaust end flange 18 respectively, which are convenient for connection with upstream and downstream equipment and ensure the sealing of the system; the inspection door 11 is located in the The lower end of the shell 16 is used for equipment maintenance; the liquid separation plate 13 is arranged under the solid-liquid separator 12, and a number of liquid separation holes are opened on the liquid separation plate 13. The liquid separation plate 13 is fixed on the shell 16 to separate the solid and liquid. The device 12 plays a supporting role; the casing 16 , the vertical section of the reversing pipe 7 , the filter adsorber 8 , the filter screen 9 , the solid-liquid separator 12 , and the liquid separator 13 are arranged coaxially with the support rod 10 .

The embodiment of the present invention provides a gas-liquid-solid multi-effect separator, which further includes an upper end cover, a sealing flange, a liquid buffer tank and a drain valve; the sealing flange 20 connects the casing 16 with the upper end cover 2, so that the gas-liquid The separator forms a sealed structure; the inlet of the liquid buffer tank 14 is connected to the liquid discharge port of the casing 16, and the outlet of the liquid buffer tank 14 is connected to the liquid discharge valve 15, so as to realize the smooth discharge of the purified liquid.

By adopting the gas-liquid-solid multi-effect separator provided by the embodiment of the present invention, the gas-liquid mixture enters the casing tangentially through the circumference of the casing of the tangential air inlet, increases in speed under the action of the tapered air intake pipe, and flows quickly through the exchange. The heat exchanger releases heat to the heat exchanger and is evenly flowed by the channel between the fins of the heat exchanger and reversed by the reversing plate, and then flows downward along the swirling flow of the spiral plate provided with the heat exchanger; in the swirling gas The entrained liquid and solid impurities are separated under the combined action of centrifugal force, collision resistance increase and speed reduction, passive and active cooling, etc. The liquid collector at the inner wall of the gas-liquid separator falls into the solid-liquid separator and the liquid separator at the bottom of the gas-liquid separator. After the solid is separated by the solid-liquid separator, the purified liquid flows from the liquid separator to the liquid discharge port. The separated liquid is collected to a certain extent and discharged through the liquid buffer tank and the drain valve; the separated gas enters the reversing pipe, and is further filtered and adsorbed in the filter screen and filter adsorber at the bottom of the reversing pipe to adsorb the remaining liquid and solid impurities After being completely purified, the purified gas flows upward along the reversing tube, enters the horizontal part of the reversing tube, and is discharged smoothly after increasing the speed of the tapered pipe and the gradually expanding exhaust pipe.

The gas-liquid-solid multi-effect separator provided by the invention adds a heat exchanger, a filter screen, a filter adsorber, a solid-liquid separator and an inspection door to the existing gas-liquid separator to improve the gas-liquid separation efficiency and separation effect , the function of complete separation of gas and solid, liquid and solid is added, and the complete separation and purification of gas and liquid is realized; the structure of air intake, air intake pipe, reversing pipe and exhaust pipe has been changed on the existing gas-liquid separator. And the spacing of the spiral reversing plate, relying on the equipment structure to reduce the gas flow loss, increase the airflow rate, reduce the external energy consumption, and reduce the operating cost. Operation noise and equipment loss improve the system operation stability and equipment service life. Therefore, the gas-liquid separator provided by the present invention has the characteristics of complete separation, high separation efficiency, stable and reliable operation, small size, convenient maintenance, low energy consumption, one machine with multiple effects to obtain purified gas, purified liquid and removal of solid impurities, etc. It can be used in engineering and technical fields such as refrigeration, heat pump, purification, extraction, and liquid purification.

In a specific embodiment, the interior of the gas-liquid-solid multi-effect separator housing 16 is provided with a spiral plate 5, a reversing tube 7, a reversing plate 17, a heat exchanger 1, a filter screen 9, a filter adsorber 8 and a solid-liquid separator. The separator 12 can completely separate the gas, liquid and solid to obtain purified gas and purified liquid.

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 the spiral plate 5, the heat exchanger 1 is a fin-and-tube heat exchanger, and the heat exchanger increases the inlet The flow contact area of the gas in the gas-liquid-solid shell increases the gas separation area and heat dissipation area, and accelerates the gas separation and dehumidification and cooling and dehumidification.

The heat exchanger 1 can be used as a part of the spiral plate 5, and the passive cooling method can be used to cool down and dehumidify simply by increasing the airflow heat dissipation area, or the working fluid can be passed into the evaporating section of the refrigeration or heat pump device to absorb the gas temperature and adopt the active cooling method. To cool and dehumidify the gas, the above passive cooling method and active-passive combined cooling method can be selected according to the actual situation and controlled flexibly. For example, for gas-liquid separation where the temperature is not too high, the passive cooling method can be used to reduce energy consumption. The gas-liquid separation of high moisture-containing gas adopts the combination of active cooling and passive cooling to improve the gas-liquid separation efficiency, realize the complete separation of gas and liquid, and make the system operate reliably and conveniently.

The heat exchanger 1 is arranged in the gas-liquid-solid multi-effect separator shell 16, and several small channels formed between the fins at the air inlet constitute a flow equalizer, so that the gas-liquid-solid multi-effect separator shell enters the gas-liquid-solid multi-effect separator shell through the air inlet pipe 4. After the air flow in 16 passes through these small channels, the flow field is evenly distributed, which improves the working stability of the gas-liquid-solid multi-effect separator.

In a specific embodiment, the air inlet pipe 4 of the gas-liquid-solid multi-effect separator is arranged on the upper part of one side of the casing 16, and the air inlet pipe 4 is axially tangent to the circumference of the casing 16, so as to realize tangential air intake; Shrink the tube to increase the intake air velocity. The tangential air intake, the tapered air intake duct and the heat exchanger fins in the air inlet have the effect of equalizing and accelerating, which not only increases the centrifugal force in the process of gas flow, thereby improving the efficiency and effect of gas-liquid separation, but also The noise generated by the intake air directly hitting the spiral plate 5 and the reversing pipe 7 is weakened, and the stability and reliability of the gas-liquid-solid multi-effect separator are improved.

In a specific embodiment, the height of the spiral plate 5 and the reversing plate 17, the inner wall of the casing 16, and the outer wall of the reversing pipe 7 are inconsistent to form a plurality of cavities to form a multi-stage expansion and contraction structure of the airflow channel. The height d ₁ of the cavity formed between the first-stage spiral plate and the second-stage spiral plate is smaller than the cavity height d ₂ formed by the second-stage spiral plate and the third-stage spiral plate, and the second-stage spiral plate and the third-stage spiral plate are formed. The cavity height d ₂ is greater than the cavity height d ₃ formed by the third-stage spiral plate and the fourth-stage spiral plate. If there are multiple-stage spiral plates, the cavity heights formed by adjacent spiral plates are small, large, small, and large. , small ... variable spacing form, in order to distribute the airflow reasonably, reduce its resistance along the way, ensure the flow rate, reduce the loss of the spiral plate and the heat exchanger, and improve the service life of the spiral plate and the heat exchanger.

In a specific embodiment, the reversing pipe 7 is divided into two parts, a vertical section and a horizontal section. The bottom pipe of the vertical pipe of the reversing pipe is a tapered pipe. After it is reduced to the bottom of the spiral plate 5, it becomes a tube of equal section; when the vertical section of the reversing tube is higher than the reversing plate 17, the reversing tube changes from a vertical tube to a horizontal tube, and the horizontal section of the reversing tube is coaxial with the exhaust pipe 19 , the horizontal section of the reversing pipe is an expanding and condensing pipe to adapt to changes in gas flow rate and exhaust requirements.

In a specific embodiment, the gas-liquid-solid multi-effect separator exhaust pipe 19 is arranged on the upper part of the other side of the casing 16, the exhaust pipe is a gradually expanding pipe, and is connected to the horizontal section of the reversing pipe 7, and the exhaust pipe 19 is connected to the exchange pipe. The horizontal section of the pipe 7 is coaxial to ensure smooth exhaust. The outer end of the exhaust pipe is provided with an exhaust end flange 18, which is connected to the downstream pipes of various sizes and specifications through the flange, which has good sealing performance, convenient connection and disassembly, Flange has a long service life.

In a specific embodiment, the part of the reducer at the bottom of the vertical section of the reversing pipe 7 is sequentially provided with a filter screen 9 and a filter adsorber 8 from bottom to top. The rod 10 is fixed on the liquid separator 13, the filter screen 9, the filter adsorber 8, the support rod 10 are arranged coaxially with the liquid separator 13, the filter screen 9 and the filter adsorber 8 are all multi-layer structures, and the support rod 10 It can be retracted and disassembled, which is convenient for replacing the filter screen 9 and the filter adsorber 8 in a small space, ensuring the separation effect of the equipment and prolonging the service life of the equipment.

In a specific embodiment, a solid-liquid separator 12 and a liquid separator 13 are provided at the inner bottom of the shell 16 of the gas-liquid-solid multi-effect separator. The solid-liquid separator 12 and the liquid separator 13 are located directly below the vertical section of the reversing pipe 7. , coaxial with the vertical section of the reversing pipe 7; the solid-liquid separator 12 is arranged on the liquid separator 13, and the outer diameter of the solid-liquid separator 12 is equal to the inner diameter of the shell 16 to ensure complete separation of solid and liquid; the liquid separator 13 is fixed on the Inside the shell 16 of the gas-liquid separator, a number of liquid separation holes are opened on the liquid separation plate 13, so that the purified liquid can flow out evenly, reduce the flow noise, and ensure the stability of the equipment operation. Liquid temporary storage space; the bottom of the casing 16 is provided with a liquid discharge port, and the separated liquid is discharged through the liquid discharge port after accumulating to a certain volume in the temporary storage space.

In a specific embodiment, the discharge port of the gas-liquid-solid multi-effect separator is connected to the liquid buffer tank 14 through a pipeline, and the liquid buffer tank 14 liquid discharge port is connected to the liquid discharge valve 15, so that the separated liquid can be removed in time to avoid liquid accumulation in the shell. Too much; the liquid buffer tank 14 is a buffer device after the purified liquid is discharged from the shell, and can be used as a liquid flow and flow rate regulator to avoid the impact of the rapid outflow of the liquid on the drain valve below, and improve the stability of the equipment operation and the drain valve. Service life; the discharge valve 15 can be a variety of manual valves or automatic valves, which can meet the requirements of controllable flow rate and sealing of the discharge flow.

In a specific embodiment, as shown in FIG. 3 , the heat exchanger 1 is a fin-and-tube heat exchanger, and the heat exchanger can be a single tube or a multi-tube, and can be a round tube, a rectangular tube, an elliptical tube, etc. The structure of the heat exchanger can be wound fin type, turbulent type, groove type, micro-finned tube and/or threaded tube. The fins are fixed on the heat exchange tube vertically and/or obliquely. Tubes may/or internal ribbed tubes may/or microchannels.

As shown in FIG. 3 , the heat exchanger 1 can be arranged on the outer edge and/or the plate of the spiral plate 5 ; the heat exchanger can be located on the upper part, the lower part of the spiral plate 5 and/or pass through the spiral plate 5 .

In a specific embodiment, the material coating of the heat exchanger 1, the spiral plate 5, the reversing plate 17, the reversing/7 and the liquid collector 6 can be/or be a hydrophobic and oleophobic self-cleaning material to increase the dehumidification liquid and impurities. The shedding rate is increased, the gas-liquid separation efficiency is improved, and the equipment is kept clean and efficient.

Embodiment 2

The difference between this embodiment and the first embodiment is that the horizontal section of the commutating pipe is different. As shown in FIG. 4 , in this embodiment, the horizontal pipe part of the commutation pipe is a pipe of equal section, and the structure and beneficial effects of other undescribed parts are the same as those of the first embodiment. The advantage of this embodiment is that the equal-section pipe is easy to manufacture.

Embodiment 3

The difference between this embodiment and the first embodiment is that the position of the intake pipe and the structure of the reversing pipe are different. As shown in Figure 5, in this embodiment, the intake pipe is located on one side of the casing and is coaxial with the exhaust pipe; the reversing pipe has only a vertical section, and the purified gas directly enters the casing, the reversing plate and the reversing pipe through the reversing pipe. The large space cavity formed by the upper end cover is then discharged through the exhaust pipe. Other unmentioned parts of the structure and beneficial effects are the same as the first embodiment. The advantage of this embodiment is that the intake pipe and the exhaust pipe are coaxial, and the processing is convenient.

Embodiment 4

The difference between this embodiment and the first embodiment is that the installation position of the filter adsorber is different. As shown in FIG. 6 , in this embodiment, the filter adsorber is arranged at the exhaust port of the casing, and the gas is adsorbed and purified by the filter adsorber and then discharged. Other unmentioned parts of the structure and beneficial effects are the same as the first embodiment. The advantage of this embodiment is that maintenance and replacement of the filter adsorber is facilitated.

Embodiment 5

The difference between this embodiment and the first embodiment is that the structural form of the heat exchanger and the structural form of the horizontal section of the commutating tube are different. As shown in FIG. 7 , in this embodiment, the heat exchanger is of a winding type and is arranged on the outer edge of the spiral plate; the horizontal pipe part of the commutation pipe is a pipe of equal section. Other unmentioned parts of the structure and beneficial effects are the same as the first embodiment. The advantage of this embodiment is that the equal-section tube is easy to manufacture; the winding type heat exchanger has less resistance to the airflow swirl flow than the finned tube type heat exchanger, which reduces the gas swirl flow loss.

Embodiment 6

The difference between this embodiment and the first embodiment is that the structural form of the heat exchanger and the structural form of the horizontal section of the commutating tube are different. As shown in Fig. 8, in this embodiment, the heat exchanger is a combination of fin-tube type and winding type, the heat exchanger at the air inlet is a fin-tube type, and the heat exchanger is arranged on the outer edge of the spiral plate. It is a winding heat exchanger; the horizontal tube part of the commutation tube is a constant section tube. Other unmentioned parts of the structure and beneficial effects are the same as the first embodiment. The advantage of this embodiment is that the equal-section tubes are easy to manufacture; the tiny channels between the fins of the fin-and-tube heat exchanger at the air inlet can be used as a flow equalizer, and the resistance to airflow swirl of the wound heat exchanger is smaller than that of the fins Tubular heat exchanger to reduce gas swirl flow loss.

Embodiment 7

The difference between this embodiment and the first embodiment is that the structural form of the heat exchanger and the structural form of the horizontal section of the commutating tube are different. As shown in FIG. 9 , in this embodiment, the heat exchanger is a heat pipe heat exchanger, a plurality of heat pipe heat exchangers run through the swirling plate, and the evaporation section of the heat pipe heat exchanger is located in the reversing plate in the separator shell Below, the condensation section of the heat pipe type heat exchanger is located outside the separator shell, and the heat released by the condensation of the heat pipe type working medium can be recycled; the horizontal pipe part of the commutation pipe is a pipe of equal section. Other unmentioned parts of the structure and beneficial effects are the same as the first embodiment. The advantage of this embodiment is that the equal-section pipe is easy to manufacture; the heat-pipe heat exchanger has higher heat exchange efficiency.

Embodiment 8

The difference between this embodiment and the first embodiment is that an active cooling and cooling device is provided. As shown in FIG. 10 , in this embodiment, an active cooling and cooling device is provided, including a working fluid box, a working fluid pump, a heat exchanger in the working fluid box, a cooling fan, etc. It is stored in the working medium box, pumped by the working medium pump into the heat exchanger of the gas-liquid separator, absorbs the heat of the gas to be separated in the gas-liquid separator, and returns to the working medium box. There is an air cooling device outside the working medium box. There is a heat exchanger in the working medium box. The heat exchanger is an immersed heat exchanger. The low-temperature dry and purified gas discharged from the gas-liquid separator is discharged through the heat exchanger after absorbing the heat of the working medium in the working medium box. The cooling device and the heat exchanger work together to lower the temperature and recycle it to achieve the purpose of energy saving. Other unmentioned parts of the structure and beneficial effects are the same as the first embodiment.

Similar to this embodiment, the gas-liquid separator heat exchanger can be connected to refrigeration, heat pump, and thermoelectric power generation systems, etc., to achieve rapid and efficient gas-liquid separation, while recycling waste heat resources and reducing equipment operating energy consumption. the goal of.

It can be seen from the above embodiments that the gas-liquid-solid multi-effect separator provided by the present invention adopts the method of adding a heat exchanger in the body to increase the separation area and heat dissipation area of the gas-liquid mixture to be separated. The working mode can be divided into passive cooling (as part of the spiral plate structure) and passive and active cooling (connecting with the external refrigeration and heat pump system to enter the working medium, relying on the working medium to absorb the heat of the gas-liquid mixture and discharge it) Combined two. A cooling mode to improve the gas-liquid mixture deceleration rate and gas-liquid separation rate; cooperate with tangential air intake, tapered air intake pipes and spiral plates with different spacings to improve the centrifugal force of the airflow along the spiral plate and strengthen the separation of gas and liquid; Filter screen and filter adsorber realize complete gas purification; cooperate with solid-liquid separator to achieve complete separation between liquid and solid; cooperate with tapered, tapered, tapered reversing pipe and tapered exhaust pipe to increase airflow velocity to ensure Smooth exhaust; cooperate with the liquid separation tray and liquid buffer tank to control the flow rate of the liquid discharge, improve the system operation stability and the service life of the liquid discharge valve; cooperate with the inspection door to realize the separation of the filter screen, the filter adsorber and the solid-liquid The consumable parts such as the filter are replaced in time and the filtered solid is taken out to ensure the gas-liquid-solid separation efficiency and separation effect. Therefore, the gas-liquid-solid multi-effect separator provided by the present invention has the advantages of complete separation, high separation efficiency, stable and reliable operation, small volume, convenient maintenance, low energy consumption, and one machine with multiple effects can obtain completely purified gas, completely purified liquid and completely With the characteristics of removing solid impurities, it can be used in engineering and technical fields such as refrigeration, heat pump, separation, purification, extraction, and liquid purification.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the present invention. within the scope of protection.

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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