Gas-liquid uniform distribution heat exchanger for natural gas

Abstract

The invention relates to the technical field of heat exchangers, and discloses a gas-liquid uniform distribution heat exchanger for natural gas, which comprises a gas-liquid separator used for separating gas and liquid in the natural gas and comprising an input pipe positioned at an input end, and a first gas pipe and a first liquid pipe positioned at an output end; the uniform mixing structure is used for uniformly mixing the separated gas and liquid according to a set proportion; and the heat exchanger is used for heating or cooling the mixed gas and liquid. Gas and liquid are uniformly distributed, the liquid is prevented from settling in the heat exchange process, uniform flowing of the gas and the liquid in the whole heat exchanger is ensured, local overheating or supercooling is avoided, and therefore the overall heat exchange efficiency is improved, and the stability and safety of the process are ensured.

Description

Technical Field

[0001] The invention relates to the technical field of heat exchangers, and in particular to a natural gas gas-liquid uniformly distributed heat exchanger. Background Art

[0002] During the processing of natural gas, it needs to be heated or cooled through an efficient heat exchange process to facilitate subsequent processing. Untreated natural gas usually contains gas and liquid. If the untreated natural gas is directly heated or cooled by heat exchange, the subsequent heat exchange will be affected due to the unstable ratio of gas and liquid contained in the untreated natural gas and the uneven distribution, thereby affecting the overall quality. Therefore, a special gas-liquid uniform distribution heat exchanger is required to exchange heat for natural gas.

[0003] When the existing natural gas gas-liquid uniform distribution heat exchanger is in use, the natural gas gas and liquid are not evenly distributed before entering the heat exchanger, and the liquid phase is easy to settle during heat exchange, which makes the gas-liquid mixture in the heat exchange process more uneven, causing the gas and liquid to undergo phase change, which may cause local overheating or overcooling, affecting the overall heat transfer effect. Summary of the invention

[0004] The object of the present invention is to provide a natural gas gas-liquid uniformly distributed heat exchanger to solve the technical problem in the prior art that the natural gas gas-liquid uniformly distributed heat exchanger has uneven distribution of natural gas gas and liquid, which affects the heat exchange effect.

[0005] In order to solve the above technical problems, the present invention specifically provides the following technical solutions:

[0006] A natural gas gas-liquid uniformly distributed heat exchanger, comprising:

[0007] A gas-liquid separator, used to separate gas and liquid in natural gas, comprising an input pipe at an input end and a first gas pipe and a first liquid pipe at an output end;

[0008] The uniform mixing structure is used to mix the separated gas and liquid evenly according to the set ratio;

[0009] Heat exchangers are used to heat or cool the mixed gas and liquid;

[0010] Among them, the gas-liquid separator, the uniformly distributed mixing structure and the heat exchanger are arranged in sequence along the gas flow direction. The natural gas enters the gas-liquid separator through the input pipe and is divided into gas and liquid, and then is output from the first gas pipe and the first liquid pipe respectively. The separated gas and liquid are evenly mixed according to the set ratio through the uniformly distributed mixing structure, and then are jointly transported to the heat exchanger for heat exchange.

[0011] Furthermore, a secondary gas-liquid separation structure is provided between the first gas pipe and the uniformly distributed mixing structure, and the secondary gas-liquid separation structure is used to separate the liquid from the gas in the first gas pipe;

[0012] A second liquid pipe is provided between the secondary gas-liquid separation structure and the first liquid pipe, and a second gas pipe is provided between the secondary gas-liquid separation structure and the uniform mixing structure;

[0013] Among them, the first air pipe and the second liquid pipe are connected to the bottom of the secondary air-liquid separation structure, and the second air pipe is connected to the top of the secondary air-liquid separation structure. After the gas and liquid in the first air pipe are separated by the secondary air-liquid separation structure, the separated gas reaches the uniformly distributed mixing structure from the second air pipe, and the separated liquid reaches the first liquid pipe through the second liquid pipe and mixes with the liquid in the first liquid pipe. Then, the liquid in the first liquid pipe reaches the uniformly distributed mixing structure and mixes with the gas output from the second air pipe.

[0014] Furthermore, a conical nozzle is connected to the output ends of the second gas pipe and the first liquid pipe, and the diameter of the conical nozzle on one side close to the uniform mixing structure is smaller than the diameter on the other side;

[0015] The second gas pipe and the first liquid pipe are both provided with control valves, and the control valves are used to control the amount of separated gas and liquid input into the uniform mixing structure.

[0016] Furthermore, the uniformly distributed mixing structure includes a spiral tube arranged spirally downward, and a plurality of distribution plates are arranged inside the spiral tube. The gas and liquid entering the spiral tube are transported spirally downward under the action of gravity and centrifugal force, and are evenly mixed under the action of the plurality of distribution plates.

[0017] Furthermore, at least two parallel mixing chambers are provided inside the distribution plate, and a plurality of through grooves are provided at the top and bottom of the mixing chamber, and the through grooves at the top and bottom of the mixing chamber are staggered so that the through grooves at the top and bottom of the mixing chamber are not on the same vertical line;

[0018] A porous ceramic ball is arranged inside the through groove;

[0019] The gas and liquid entering the spiral tube pass through the porous ceramic balls and the mixing chamber in turn for continuous separation and mixing.

[0020] Furthermore, a mixing chamber is provided at the input end of the spiral tube, and the inner wall of the mixing chamber is configured to be spherical for preliminary mixing of gas and liquid.

[0021] Furthermore, the heat exchanger comprises a shell, a heat exchange medium is arranged inside the shell, a liquid inlet pipe is arranged on one side of the bottom of the shell, and a liquid outlet pipe is arranged on one side of the top of the shell;

[0022] A rotating shaft rotatably connected to the shell is provided in the middle of the shell, the bottom of the spiral tube is rotatably connected to the rotating shaft, a conveying channel is provided inside the rotating shaft, and the conveying channel is connected to the spiral tube;

[0023] A plurality of heat exchange disks are fixedly connected to the outer surface of the rotating shaft, a heat exchange space is provided inside the heat exchange disk, and the heat exchange space is connected to the conveying channel;

[0024] The gas and liquid mixed by the uniform mixing structure are sequentially passed through the heat exchange disk and the heat exchange medium inside the shell for heat exchange, and the rotating shaft drives the heat exchange disk to rotate. The rotating heat exchange disk stirs the heat exchange medium inside the shell and prevents the liquid inside the heat exchange disk from settling.

[0025] Further, the rotating shaft is arranged horizontally;

[0026] A plurality of layer plates are arranged inside the heat exchange disk, the layer plates are fixedly connected to the outer surface of the rotating shaft, and the layer plates are of a mesh structure.

[0027] Furthermore, a plurality of limit blocks are fixedly connected inside the rotating shaft, the limit blocks are arranged between two adjacent heat exchange disks, a horizontally arranged groove body is provided inside the limit blocks, and a diameter of the groove body close to one side of the spiral tube is larger than a diameter of the other side thereof.

[0028] Furthermore, brushes are provided on both sides of the heat exchange disk, and the brushes are fixedly connected to the inner wall of the shell. When the rotating shaft rotates to drive the heat exchange disk to rotate, the brushes and the heat exchange disk move relative to each other, so that the brushes brush the sides of the heat exchange disk.

[0029] Compared with the prior art, the present invention has the following beneficial effects:

[0030] The present invention ensures that the gas and liquid flow evenly throughout the heat exchanger by evenly distributing the gas and liquid and preventing the liquid from settling during the heat exchange process, thereby avoiding local overheating or overcooling, thereby improving the overall heat exchange efficiency and ensuring the stability and safety of the process. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0032] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0033] Figure 2 It is a partial cross-sectional view of the spiral tube of the present invention;

[0034] Figure 3 is a cross-sectional view of a heat exchanger of the present invention;

[0035] Figure 4 It is a schematic diagram of the connection structure between the rotating shaft and the heat exchange disk of the present invention.

[0036] The numbers in the figure represent the following:

[0037] 1. Gas-liquid separator; 2. Input pipe; 3. First gas pipe; 4. First liquid pipe; 5. Uniform mixing structure; 6. Heat exchanger; 7. Secondary gas-liquid separation structure; 8. Second liquid pipe; 9. Second gas pipe; 10. Conical nozzle; 11. Control valve; 12. Spiral pipe; 13. Distribution plate; 14. Mixing chamber; 15. Through groove; 16. Porous ceramic ball; 17. Mixing chamber; 18. Shell; 19. Rotating shaft; 20. Conveying channel; 21. Heat exchange plate; 22. Heat exchange space; 23. Layer plate; 24. Limit block; 25. Trough body; 26. Brush. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] like Figure 1 and Figure 2 As shown, the present invention provides a natural gas gas-liquid uniformly distributed heat exchanger 6, comprising:

[0040] The gas-liquid separator 1 is used to separate gas and liquid in natural gas, and comprises an input pipe 2 at the input end and a first gas pipe 3 and a first liquid pipe 4 at the output end;

[0041] The uniform mixing structure 5 is used to evenly mix the separated gas and liquid according to a set ratio;

[0042] A heat exchanger 6, used to heat or cool the mixed gas and liquid;

[0043] Among them, the gas-liquid separator 1, the uniformly distributed mixing structure 5 and the heat exchanger 6 are arranged in sequence along the gas flow direction. The natural gas enters the gas-liquid separator 1 through the input pipe 2 and is divided into two parts, gas and liquid, and then is output from the first gas pipe 3 and the first liquid pipe 4 respectively. The separated gas and liquid are evenly mixed according to the set ratio through the uniformly distributed mixing structure 5, and then are jointly transported to the heat exchanger 6 for heat exchange.

[0044] The gas-liquid separator 1 is a cyclone separator or a gravity separator.

[0045] When the existing natural gas gas-liquid uniform distribution heat exchanger 6 is in use, the natural gas gas and liquid are not evenly distributed before entering the heat exchanger 6, and the liquid phase is easy to settle during heat exchange, which makes the gas-liquid mixture in the heat exchange process more unevenly mixed, causing the gas and liquid to undergo phase change, which may cause local overheating or overcooling, affecting the overall heat transfer effect. Therefore, it is necessary to develop a natural gas gas-liquid uniform distribution heat exchanger 6.

[0046] This embodiment ensures that the gas and liquid flow evenly throughout the heat exchanger 6 by evenly distributing the gas and liquid and preventing the liquid from settling during the heat exchange process, thereby avoiding local overheating or overcooling, thereby improving the overall heat exchange efficiency and ensuring the stability and safety of the process.

[0047] In actual use, natural gas enters the gas-liquid separator 1 through the input pipe 2 and is separated into gas and liquid, and then is output from the first gas pipe 3 and the first liquid pipe 4 respectively. The separated gas and liquid are evenly mixed according to the set ratio through the uniform mixing structure 5, and then are jointly transported to the heat exchanger 6 for heat exchange.

[0048] After the natural gas passes through the gas-liquid separator 1, the separated gas still contains a small amount of liquid, which affects the subsequent quantitative analysis of gas and liquid. In order to solve this problem, Figure 1 As shown, a secondary gas-liquid separation structure 7 is provided between the first gas pipe 3 and the uniformly distributed mixing structure 5, and the secondary gas-liquid separation structure 7 is used to separate the liquid from the gas in the first gas pipe 3;

[0049] A second liquid pipe 8 is provided between the secondary gas-liquid separation structure 7 and the first liquid pipe 4, and a second gas pipe 9 is provided between the secondary gas-liquid separation structure 7 and the uniform mixing structure 5;

[0050] Among them, the first air pipe 3 and the second liquid pipe 8 are connected to the bottom of the secondary gas-liquid separation structure 7, and the second air pipe 9 is connected to the top of the secondary gas-liquid separation structure 7. After the gas and liquid in the first air pipe 3 are separated by the secondary gas-liquid separation structure 7, the separated gas reaches the uniformly distributed mixing structure 5 from the second air pipe 9, and the separated liquid reaches the first liquid pipe 4 through the second liquid pipe 8 and mixes with the liquid in the first liquid pipe 4. Then, the liquid in the first liquid pipe 4 reaches the uniformly distributed mixing structure 5 and mixes with the gas output from the second air pipe 9.

[0051] The secondary gas-liquid separation structure 7 is a wire mesh demister or a packing layer to further remove tiny droplets.

[0052] After the gas in the first gas pipe 3 passes through the secondary gas-liquid separation structure 7 , the residual liquid inside can be removed, and the separated liquid reaches the inside of the first liquid pipe 4 through the second liquid pipe 8 and mixes with the liquid inside the first liquid pipe 4 .

[0053] In order to mix the separated gas and liquid in a set ratio, a conical nozzle 10 is connected to the output ends of the second gas pipe 9 and the first liquid pipe 4, and the diameter of the conical nozzle 10 on one side close to the uniform mixing structure 5 is smaller than that on the other side;

[0054] A control valve 11 is provided on both the second gas pipe 9 and the first liquid pipe 4 , and the control valve 11 is used to control the amount of separated gas and liquid input into the uniform mixing structure 5 .

[0055] The conical nozzle 10 can pressurize the gas and liquid, and by adjusting the control valve 11, the amount of gas and liquid entering the uniform mixing structure 5, that is, the mixing ratio of gas to liquid, can be adjusted.

[0056] The uniformly distributed mixed structure 5 is described in detail below. Figure 2 As shown, the uniformly distributed mixing structure 5 includes a spiral tube 12 spirally arranged downward, and a plurality of distribution plates 13 are arranged inside the spiral tube 12. The gas and liquid entering the spiral tube 12 are spirally transported downward under the action of gravity and centrifugal force, and are evenly mixed under the action of the plurality of distribution plates 13.

[0057] At least two parallel mixing chambers 14 are provided inside the distribution plate 13, and a plurality of through grooves 15 are provided at the top and bottom of the mixing chamber 14. The through grooves 15 at the top and bottom of the mixing chamber 14 are arranged alternately, so that the through grooves 15 at the top and bottom of the mixing chamber 14 are not on the same vertical line;

[0058] A porous ceramic ball 16 is provided inside the through groove 15;

[0059] The gas and liquid entering the spiral tube 12 are sequentially separated and mixed by passing through the porous ceramic balls 16 and the mixing chamber 14 .

[0060] The spiral tube 12 is provided to accelerate the mixing of the gas and the liquid. At the same time, the gas and the liquid are separated by the porous ceramic balls 16 and mixed by the mixing chamber 14, which can improve the mixing effect of the gas and the liquid, so that the liquid and the gas can be mixed evenly before entering the heat exchanger 6.

[0061] A mixing chamber 17 is provided at the input end of the spiral tube 12, and the inner wall of the mixing chamber 17 is set to be spherical for preliminary mixing of gas and liquid. Through the spherical mixing chamber 17, the gas and liquid will impact the inner wall of the mixing chamber 17 after entering the mixing chamber 17, and then mix again, so that the gas and liquid have a preliminary mixing effect.

[0062] The structure of the heat exchanger 6 is described in detail below. Figure 3 and Figure 4As shown, the heat exchanger 6 includes a shell 18, a heat exchange medium is arranged inside the shell 18, a liquid inlet pipe is arranged on one side of the bottom of the shell 18, and a liquid outlet pipe is arranged on one side of the top of the shell 18;

[0063] A rotating shaft 19 rotatably connected to the shell 18 is provided in the middle thereof, the bottom of the spiral tube 12 is rotatably connected to the rotating shaft 19, a conveying passage 20 is provided inside the rotating shaft 19, and the conveying passage 20 is communicated with the spiral tube 12; the rotating shaft 19 is driven by an external driver.

[0064] A plurality of heat exchange disks 21 are fixedly connected to the outer surface of the rotating shaft 19, and a heat exchange space 22 is provided inside the heat exchange disk 21, and the heat exchange space 22 is connected to the conveying channel 20;

[0065] Among them, the gas and liquid mixed by the uniformly distributed mixing structure 5 are sequentially heat-exchanged with the heat exchange medium inside the shell 18 through the heat exchange disk 21, and the rotating shaft 19 drives the heat exchange disk 21 to rotate. The rotating heat exchange disk 21 stirs the heat exchange medium inside the shell 18 and prevents the liquid inside the heat exchange disk 21 from settling.

[0066] The heat exchanger 6 structure in the present application is different from the existing heat exchanger 6 structure. Since the mixed form of gas and liquid enters the heat exchanger 6 structure for heat exchange, and considering that the liquid in the mixed gas is prone to sedimentation, the present application innovatively sets the heat exchange disk 21 to be rotatable. The rotating heat exchange disk 21 stirs the heat exchange medium inside the shell 18 and prevents the liquid inside the heat exchange disk 21 from sedimentation. The rotating heat exchange disk 21 stirs the heat exchange medium, making the heat exchange medium more uniform.

[0067] The rotating shaft 19 is arranged horizontally; a plurality of layer plates 23 are arranged inside the heat exchange disk 21, and the layer plates 23 are fixedly connected to the outer surface of the rotating shaft 19, and the layer plates 23 are of a mesh structure. By arranging a plurality of heat exchange disks 21 of a mesh structure inside the heat exchange disk 21, the gas and liquid inside the heat exchange disk 21 are mixed again while being transported, so as to prevent the uneven distribution of gas and liquid during the heat exchange process from affecting the heat exchange effect.

[0068] A plurality of stoppers 24 are fixedly connected inside the rotating shaft 19, and the stoppers 24 are arranged between two adjacent heat exchange disks 21. A horizontally arranged slot 25 is provided inside the stoppers 24, and the diameter of the slot 25 on one side close to the spiral tube 12 is larger than the diameter on the other side. By providing the stoppers 24 with the slots 25, the flow speed of the gas and liquid inside the rotating shaft 19 can be hindered, so that the gas and liquid enter the heat exchange disk 21 first, which is beneficial to heat exchange.

[0069] During the heat exchange process, the outer surface of the heat exchange disk 21 is prone to scaling. In order to solve this problem, brushes 26 are provided on both sides of the heat exchange disk 21. The brushes 26 are fixedly connected to the inner wall of the shell 18. When the rotating shaft 19 rotates to drive the heat exchange disk 21 to rotate, the brushes 26 and the heat exchange disk 21 move relative to each other, so that the brushes 26 scrub the side of the heat exchange disk 21. The brushes 26 and the heat exchange disk 21 move relative to each other, so that the brushes 26 scrub the side of the heat exchange disk 21, thereby extending the service life of the heat exchanger 6.

[0070] The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application. The protection scope of the present application is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present application within the essence and protection scope of the present application, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present application.

Claims

1. A natural gas gas-liquid uniformly distributed heat exchanger (6), characterized in that: include: A gas-liquid separator (1) is used to separate gas and liquid in natural gas, comprising an input pipe (2) located at an input end and a first gas pipe (3) and a first liquid pipe (4) located at an output end; The uniform mixing structure (5) is used to uniformly mix the separated gas and liquid according to a set ratio; A heat exchanger (6) for heating or cooling the mixed gas and liquid; The gas-liquid separator (1), the uniformly distributed mixing structure (5) and the heat exchanger (6) are arranged in sequence along the gas flow direction. The natural gas enters the gas-liquid separator (1) through the input pipe (2) and is separated into two parts, gas and liquid. The two parts are then output from the first gas pipe (3) and the first liquid pipe (4) respectively. The separated gas and liquid are mixed evenly according to a set ratio through the uniformly distributed mixing structure (5) and are then transported together to the heat exchanger (6) for heat exchange.

2. A natural gas gas-liquid uniformly distributed heat exchanger (6) according to claim 1, characterized in that: A secondary gas-liquid separation structure (7) is provided between the first gas pipe (3) and the uniformly distributed mixing structure (5), and the secondary gas-liquid separation structure (7) is used to separate the liquid from the gas in the first gas pipe (3); A second liquid pipe (8) is provided between the secondary gas-liquid separation structure (7) and the first liquid pipe (4), and a second gas pipe (9) is provided between the secondary gas-liquid separation structure (7) and the uniform mixing structure (5); The first gas pipe (3) and the second liquid pipe (8) are connected to the bottom of the secondary gas-liquid separation structure (7), and the second gas pipe (9) is connected to the top of the secondary gas-liquid separation structure (7). After the gas and liquid in the first gas pipe (3) are separated by the secondary gas-liquid separation structure (7), the separated gas reaches the uniform mixing structure (5) from the second gas pipe (9), and the separated liquid reaches the inside of the first liquid pipe (4) through the second liquid pipe (8) to mix with the liquid in the first liquid pipe (4), and then the liquid in the first liquid pipe (4) reaches the uniform mixing structure (5) to mix with the gas output from the second gas pipe (9).

3. A natural gas gas-liquid uniformly distributed heat exchanger (6) according to claim 2, characterized in that: The output ends of the second gas pipe (9) and the first liquid pipe (4) are both connected to a conical nozzle (10), and the diameter of the conical nozzle (10) on one side close to the uniform mixing structure (5) is smaller than the diameter of the other side; A control valve (11) is provided on both the second gas pipe (9) and the first liquid pipe (4), and the control valve (11) is used to control the amount of separated gas and liquid input into the uniform mixing structure (5).

4. A natural gas gas-liquid uniformly distributed heat exchanger (6) according to claim 3, characterized in that: The uniformly distributed mixing structure (5) comprises a spiral tube (12) arranged spirally downward, and a plurality of distribution plates (13) are arranged inside the spiral tube (12). The gas and liquid introduced into the spiral tube (12) are transported spirally downward under the action of gravity and centrifugal force, and are uniformly mixed under the action of the plurality of distribution plates (13).

5. A natural gas gas-liquid uniformly distributed heat exchanger (6) according to claim 4, characterized in that: At least two mixing chambers (14) arranged in parallel are provided inside the distribution plate (13), and a plurality of through grooves (15) are provided at the top and the bottom of the mixing chamber (14). The through grooves (15) at the top and the bottom of the mixing chamber (14) are arranged in a staggered manner, so that the through grooves (15) at the top and the bottom of the mixing chamber (14) are not on the same vertical line; A porous ceramic ball (16) is arranged inside the through groove (15); The gas and liquid entering the spiral tube (12) are continuously separated and mixed by passing through the porous ceramic balls (16) and the mixing chamber (14) in sequence.

6. A natural gas gas-liquid uniformly distributed heat exchanger (6) according to claim 5, characterized in that: A mixing chamber (17) is provided at the input end of the spiral tube (12), and the inner wall of the mixing chamber (17) is configured to be spherical and is used for preliminary mixing of gas and liquid.

7. A natural gas gas-liquid uniformly distributed heat exchanger (6) according to claim 6, characterized in that: The heat exchanger (6) comprises a shell (18), a heat exchange medium is arranged inside the shell (18), a liquid inlet pipe is arranged on one side of the bottom of the shell (18), and a liquid outlet pipe is arranged on one side of the top of the shell (18); A rotating shaft (19) rotatably connected to the housing (18) is provided in the middle thereof, the bottom of the spiral tube (12) is rotatably connected to the rotating shaft (19), a conveying channel (20) is provided inside the rotating shaft (19), and the conveying channel (20) is communicated with the spiral tube (12); A plurality of heat exchange disks (21) are fixedly connected to the outer surface of the rotating shaft (19), a heat exchange space (22) is provided inside the heat exchange disk (21), and the heat exchange space (22) is communicated with the conveying channel (20); The gas and liquid mixed by the uniform mixing structure (5) are sequentially passed through the heat exchange disk (21) to exchange heat with the heat exchange medium inside the shell (18), and the rotating shaft (19) drives the heat exchange disk (21) to rotate. The rotating heat exchange disk (21) stirs the heat exchange medium inside the shell (18) and prevents the liquid inside the heat exchange disk (21) from settling.

8. A natural gas gas-liquid uniformly distributed heat exchanger (6) according to claim 7, characterized in that: The rotating shaft (19) is arranged horizontally; A plurality of layer plates (23) are arranged inside the heat exchange disk (21), the layer plates (23) are fixedly connected to the outer surface of the rotating shaft (19), and the layer plates (23) are of a mesh structure.

9. A natural gas gas-liquid uniformly distributed heat exchanger (6) according to claim 8, characterized in that: A plurality of limit blocks (24) are fixedly connected inside the rotating shaft (19), the limit blocks (24) being arranged between two adjacent heat exchange disks (21), and a horizontally arranged groove body (25) is provided inside the limit blocks (24), wherein the diameter of the groove body (25) on one side close to the spiral tube (12) is larger than the diameter on the other side thereof.

10. A natural gas gas-liquid uniformly distributed heat exchanger (6) according to claim 9, characterized in that: Brushes (26) are provided on both sides of the heat exchange disk (21). The brushes (26) are fixedly connected to the inner wall of the shell (18). When the rotating shaft (19) rotates to drive the heat exchange disk (21) to rotate, the brushes (26) and the heat exchange disk (21) move relative to each other, so that the brushes (26) scrub the sides of the heat exchange disk (21).

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