A dehydration device for natural gas purification

Abstract

This utility model provides a dehydration device for natural gas purification, relating to the field of natural gas drying technology. It includes a base plate and a pretreatment component. The pretreatment component includes a first tank connected to the base plate, and a second tank connected to one side of the top of the first tank. The second tank has an air inlet. In this utility model, when natural gas flows through the through-hole of a fixed block via a partition, a vortex plate causes the airflow to form a vortex, initially separating impurities and droplets. Subsequently, the gas enters the first tank through a notch on the other side of the fixed block and a connecting pipe. A servo motor drives a rotating shaft to rotate, causing the activated carbon-silica gel mixed adsorbent and molecular sieve to rotate. A spiral baffle plate enhances airflow turbulence and prolongs the contact time. The gas is first deeply dehydrated by the molecular sieve, then further purified by the activated carbon-silica gel mixed adsorbent, and finally discharged from the outlet. This achieves natural gas impurity separation, deep dehydration, and purification, improving purification efficiency and quality.

Description

Technical Field

[0001] This utility model relates to the field of natural gas drying technology, and in particular to a dehydration device for natural gas purification. Background Technology

[0002] Dehydration devices in natural gas purification are used to remove moisture from natural gas, preventing moisture from corroding equipment or affecting gas quality during subsequent processing. These devices typically employ technologies such as adsorbents, condensation, and membrane separation to effectively reduce the moisture content in the gas, ensuring the stability and safety of natural gas during transportation, storage, and utilization.

[0003] However, in actual use, the following shortcomings still exist. For example, existing natural gas purification dehydration devices do not completely separate natural gas impurities. In low-temperature environments, unremoved water and impurities are prone to forming hydrates or freezing, clogging pipelines and valves, causing a sudden increase in gas transmission pressure, and even causing equipment shutdown. The combination of water and acidic impurities will aggravate pipeline and equipment corrosion, shorten service life, and increase the risk of leakage. Impurities will contaminate downstream equipment, reduce its efficiency, and affect the stability of natural gas combustion. Natural gas that does not meet the quality standards may enter the user end, which may lead to incomplete combustion, produce harmful gases, threaten safety, and increase subsequent processing costs, affecting the overall economic efficiency of gas transmission.

[0004] Therefore, this utility model proposes a dehydration device for natural gas purification to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies and propose a dehydration device for natural gas purification.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a dehydration device for natural gas purification, comprising a base plate, and further comprising:

[0007] A pretreatment assembly includes a first tank connected to a base plate, a second tank connected to one side of the top of the first tank, a fixing block connected inside the second tank, a vortex plate connected to the fixing block, a connecting pipe connected to the second tank, and the other end of the connecting pipe connected to the first tank.

[0008] The dehydration assembly includes a servo motor installed on one side of a first tank. The output end of the servo motor is connected to a rotating shaft. An activated carbon and silica gel mixed adsorbent is disposed on the rotating shaft. A molecular sieve is disposed on the activated carbon and silica gel mixed adsorbent. A spiral baffle is disposed on the molecular sieve. An air outlet is disposed on one side of the first tank.

[0009] Furthermore, the second tank is provided with an air inlet, the fixing block is provided with a through hole, and a metal filter screen is connected to the side of the second tank near the vortex plate.

[0010] The beneficial effects of adopting the above-mentioned further solution are: the metal filter screen connected to the side of the second tank near the vortex plate further intercepts the small impurities and droplets that have not been separated after the airflow passes through the vortex plate and forms a vortex to initially separate impurities and droplets, thereby improving the filtration effect of pretreatment and preventing impurities from entering the subsequent structure and affecting purification.

[0011] Furthermore, a baffle is connected to the side of the second tank near the fixed block, and a drain port is provided on the side of the second tank away from the air inlet.

[0012] The beneficial effect of adopting the above-mentioned further solution is that the drain port on the side of the second tank away from the air inlet is used to discharge the droplets and some impurities that have accumulated at the bottom of the second tank after vortex separation and metal filter, so as to avoid the accumulation of liquid affecting the airflow and pretreatment efficiency.

[0013] Furthermore, the rotating shaft is rotatably connected to the first tank body.

[0014] The beneficial effects of adopting the above-mentioned further solution are: the rotating shaft is rotatably connected to the first tank, so that the servo motor can stably drive the rotating shaft to rotate, thereby driving the activated carbon silica gel mixed adsorbent and molecular sieve to rotate, ensuring that the adsorbent is in uniform contact with the gas and enhancing the uniformity of dehydration and purification.

[0015] Furthermore, a support frame is connected to the inner wall of the first tank.

[0016] The beneficial effects of adopting the above-mentioned further solution are: the support frame connected to the inner wall of the first tank provides a stable installation base for the turbulence block, ensuring that the turbulence block remains stable under the impact of airflow and ensuring that its turbulence effect on airflow is continuously effective.

[0017] Furthermore, a baffle block is connected to the support frame.

[0018] The beneficial effects of adopting the above-mentioned further solution are: the turbulence block connected to the support frame changes the airflow direction and speed when the gas flows through the first tank, enhances airflow turbulence, prolongs the contact time between the gas and the adsorbent, and improves the dehydration and purification effect.

[0019] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0020] In this invention, natural gas enters the second tank through the inlet. As it flows through the through-hole of the fixed block via the baffle, the vortex plate causes the airflow to form a vortex, initially separating impurities and droplets. Subsequently, the gas passes through the notch on the other side of the fixed block and enters the first tank through the connecting pipe. The servo motor drives the rotating shaft to rotate, causing the activated carbon and silica gel mixed adsorbent and the molecular sieve to rotate. The spiral baffle plate enhances the airflow disturbance and prolongs the contact time. The gas is first deeply dehydrated by the molecular sieve, and then further purified by the activated carbon and silica gel mixed adsorbent. Finally, it is discharged from the outlet, achieving the separation of natural gas impurities, deep dehydration and purification, and improving purification efficiency and quality. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of a dehydration device for natural gas purification according to this utility model;

[0022] Figure 2 This is a schematic diagram of the pretreatment component structure of a natural gas purification dehydration device according to the present invention;

[0023] Figure 3 This is a cross-sectional view of the pretreatment component structure of a natural gas purification dehydration device according to the present invention;

[0024] Figure 4 This is a schematic diagram of the dehydration component structure of a natural gas purification dehydration device according to the present invention;

[0025] Figure 5 This is a cross-sectional view of the dehydration component of a natural gas purification dehydration device according to the present invention.

[0026] Figure label:

[0027] 1. Base plate;

[0028] 2. Pretreatment components; 21. First tank; 22. Second tank; 23. Air inlet; 24. Fixing block; 25. Through hole; 26. Vortex plate; 27. Metal filter screen; 28. Baffle plate; 29. ​​Connecting pipe; 210. Drain outlet;

[0029] 3. Dehydration component; 31. Servo motor; 32. Rotating shaft; 33. Activated carbon and silica gel mixed adsorbent; 34. Molecular sieve; 35. Spiral baffle; 36. Support frame; 37. Baffle block; 38. Air outlet. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Example 1

[0032] like Figures 1-5 As shown, this embodiment provides a technical solution: a dehydration device for natural gas purification, including a base plate 1, and further comprising:

[0033] The pretreatment component 2 includes a first tank 21 connected to the base plate 1, a second tank 22 connected to one side of the top of the first tank 21, a fixing block 24 connected inside the second tank 22, a vortex plate 26 connected to the fixing block 24, a connecting pipe 29 connected to the second tank 22, and the other end of the connecting pipe 29 connected to the first tank 21.

[0034] The dehydration component 3 includes a servo motor 31 installed on one side of the first tank 21. The output end of the servo motor 31 is connected to a rotating shaft 32. An activated carbon and silica gel mixed adsorbent 33 is disposed on the rotating shaft 32. A molecular sieve 34 is disposed on the activated carbon and silica gel mixed adsorbent 33. A spiral baffle 35 is disposed on the molecular sieve 34. An air outlet 38 is disposed on one side of the first tank 21. Natural gas enters the second tank 22 through the air inlet 23. When the natural gas flows through the through hole 25 of the fixed block 24 through the baffle 28, the vortex plate 26 causes the airflow to form The vortex initially separates impurities and droplets. Then, the gas passes through the notch on the other side of the fixed block 24 and enters the first tank 21 through the connecting pipe 29. The servo motor 31 drives the rotating shaft 32 to rotate, which in turn drives the activated carbon and silica gel mixed adsorbent 33 and the molecular sieve 34 to rotate. The spiral baffle 35 enhances the airflow disturbance and prolongs the contact time. The gas is first deeply dehydrated by the molecular sieve 34, and then further purified by the activated carbon and silica gel mixed adsorbent 33. Finally, it is discharged from the gas outlet 38, realizing the separation of natural gas impurities, deep dehydration and purification, and improving purification efficiency and quality.

[0035] Example 2

[0036] like Figures 1-3As shown, the second tank 22 is provided with an air inlet 23, and the fixing block 24 is provided with a through hole 25. A metal filter 27 is connected to the side of the second tank 22 near the vortex plate 26. After the airflow passes through the vortex plate 26 and forms a vortex to initially separate impurities and droplets, it further intercepts the small impurities and droplets that have not been separated, improves the filtration effect of pretreatment, and prevents impurities from entering the subsequent structure and affecting purification. A baffle 28 is connected to the side of the second tank 22 near the fixing block 24. A drain port 210 is provided on the side of the second tank 22 away from the air inlet 23. The drain port 210 on the side of the second tank 22 away from the air inlet 23 is used to discharge the droplets and some impurities that have accumulated at the bottom of the second tank 22 after vortex separation and filtration by the metal filter 27, so as to avoid the accumulation of liquid affecting the airflow and pretreatment efficiency.

[0037] like Figure 5 As shown, the rotating shaft 32 is rotatably connected to the first tank 21, enabling the servo motor 31 to stably drive the rotating shaft 32 to rotate, thereby rotating the activated carbon silica gel mixed adsorbent 33 and the molecular sieve 34. This ensures that the adsorbent is in uniform contact with the gas, enhancing the uniformity of dehydration and purification. A support frame 36 is connected to the inner wall of the first tank 21, providing a stable installation base for the turbulence block 37. This ensures that the turbulence block 37 remains stable under the impact of airflow, guaranteeing its continuous and effective turbulence effect on the airflow. The turbulence block 37 is connected to the support frame 36. When the gas flows through the first tank 21, the turbulence block 37 changes the airflow direction and speed, enhances airflow turbulence, prolongs the contact time between the gas and the adsorbent, and improves the dehydration and purification effect.

[0038] Example 3

[0039] like Figures 1-5As shown, the natural gas to be treated first enters the second tank 22 through the inlet 23. Under the guidance of the baffle 28, it flows to the fixed block 24. When the airflow passes through the through hole 25 of the fixed block 24, the vortex plate 26 causes the airflow to form a high-speed vortex. Using centrifugal force, impurities and droplets are initially separated. The separated airflow then passes through the metal filter 27. The filter further intercepts the fine impurities and droplets that were not separated by the vortex, significantly improving the pretreatment effect and effectively preventing subsequent structures from being contaminated by impurities. During the pretreatment process, the droplets and some impurities separated accumulate at the bottom of the second tank 22 and are eventually discharged periodically through the drain port 210 to avoid the accumulation of liquid obstructing the airflow. The pretreated gas enters the first tank 21 through the connecting pipe 29. The servo motor 31 is turned on to drive the rotating shaft 32 to rotate, driving the activated carbon silica gel mixed adsorbent 33 and the separator. The molecular sieve 34 rotates synchronously, and the gas first contacts the rotating molecular sieve 34, utilizing its strong adsorption to achieve deep dehydration. Then it flows through the activated carbon and silica gel mixed adsorbent 33 to further remove residual impurities and trace amounts of moisture, achieving dual purification. Inside the first tank 21, the spiral baffle 35 rotates with the rotating shaft 32, continuously changing the airflow direction and enhancing turbulence. At the same time, the baffle block 37 fixed by the support frame 36 cooperates with the rotating component, significantly extending the contact time between the gas and the adsorbent by changing the airflow speed and direction. The rotating connection design between the rotating shaft 32 and the first tank 21 ensures that the adsorbent contacts the gas evenly, improving the uniformity of purification. The clean natural gas, after multi-stage treatment, is finally discharged from the outlet 38, achieving efficient synergy of impurity separation, deep dehydration, and purification, and greatly improving the efficiency and quality of natural gas purification.

[0040] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A dehydration device for natural gas purification, comprising a base plate (1), characterized in that, Also includes: The pretreatment component (2) includes a first tank (21) connected to a base plate (1), a second tank (22) connected to the top side of the first tank (21), a fixing block (24) connected inside the second tank (22), a vortex plate (26) connected to the fixing block (24), a connecting pipe (29) connected to the second tank (22), and the other end of the connecting pipe (29) connected to the first tank (21). The dehydration component (3) includes a servo motor (31) installed on one side of the first tank (21). The output end of the servo motor (31) is connected to a rotating shaft (32). An activated carbon silica gel mixed adsorbent (33) is provided on the rotating shaft (32). A molecular sieve (34) is provided on the activated carbon silica gel mixed adsorbent (33). A spiral baffle (35) is provided on the molecular sieve (34). An air outlet (38) is provided on one side of the first tank (21).

2. The dehydration device for natural gas purification according to claim 1, characterized in that: The second tank (22) is provided with an air inlet (23), the fixing block (24) is provided with a through hole (25), and a metal filter screen (27) is connected to the side of the second tank (22) near the vortex plate (26).

3. The dehydration device for natural gas purification according to claim 1, characterized in that: A partition (28) is connected to the side of the second tank (22) near the fixed block (24), and a drain port (210) is provided on the side of the second tank (22) away from the air inlet (23).

4. The dehydration device for natural gas purification according to claim 1, characterized in that: The rotating shaft (32) is rotatably connected to the first tank body (21).

5. A dehydration device for natural gas purification according to claim 1, characterized in that: The inner wall of the first tank (21) is connected to a support frame (36).

6. A dehydration device for natural gas purification according to claim 5, characterized in that: A baffle block (37) is connected to the support frame (36).

Images