Sudden high-flow gas-liquid entrained liquid separation and collection device

Abstract

The utility model provides a sudden large-flow gas-liquid entrained liquid separation and collection device which comprises a liquid separation and collection tank, a liquid seal tank, a condensate collection tank and a gas-liquid input pipe, and a first gas-liquid flowing tank chamber, a second gas-liquid flowing tank chamber and a third gas-liquid flowing tank chamber are sequentially arranged in the liquid separation and collection tank in the gas-liquid flowing direction. A first condensate collecting area is arranged below the first gas-liquid flowing groove chamber, a second condensate collecting area is arranged below the second gas-liquid flowing groove chamber, and a third condensate collecting area is arranged below the third gas-liquid flowing groove chamber. According to the sudden large-flow gas-liquid entrained liquid separation and collection device provided by the utility model, the continuous discharge of condensate is ensured, the overflow of odor is avoided, the accumulation of the condensate is prevented, the pollution of liquid drops entrained by emptying gas to the environment is reduced, and personnel are prevented from being hurt.

Description

Technical Field

[0001] The utility model belongs to the technical field of chemical production equipment and relates to a sudden large-flow gas-liquid entrained liquid separation and collection device. Background Art

[0002] Positive-pressure absorption towers and distillation towers are equipped with venting and pressure relief ports during operation to facilitate interlocked emergency venting and pressure relief in the event of an abnormality. Gas and liquid coexist within the tower equipment. If an emergency interlocked venting occurs, a large amount of condensate will be entrained and blown out of the vent through the emergency displacement and pressure relief, potentially causing corrosion to nearby personnel. Utility Model Content

[0003] In view of the shortcomings of the prior art mentioned above, in order to solve the problem of condensate and liquid entrained in the ejected gas, the purpose of the utility model is to provide a sudden large-flow gas-liquid entrained liquid separation and collection device, which is arranged at the end of the pressure relief port to intercept the entrained liquid droplets, ensure the continuous discharge of the condensate, and reduce the pollution of the environment to the entrained liquid droplets in the vented gas.

[0004] To achieve the above-mentioned purpose and other related purposes, the utility model provides a sudden large-flow gas-liquid entrained liquid separation and collection device, comprising a liquid separation and collection tank, a liquid seal tank, a condensate collection tank, and a gas-liquid input pipe. The liquid separation and collection tank is provided with a first gas-liquid flow tank chamber, a second gas-liquid flow tank chamber, and a third gas-liquid flow tank chamber in sequence along the gas-liquid flow direction. A first condensate collection area is provided below the first gas-liquid flow tank chamber, a second condensate collection area is provided below the second gas-liquid flow tank chamber, and a third condensate collection area is provided below the third gas-liquid flow tank chamber. The gas-liquid input pipe is respectively connected to the liquid seal tank and the first gas-liquid flow tank chamber, and the condensate collection tank is respectively connected to the liquid seal tank, the first condensate collection area, the second condensate collection area, and the third condensate collection area.

[0005] Preferably, a gas-liquid control valve is provided on the connecting end between the gas-liquid input pipe and the first gas-liquid flow tank chamber.

[0006] Preferably, the gas-liquid input pipe is connected to the liquid seal tank via the first condensate pipe.

[0007] More preferably, the first condensate pipe is provided with a first condensate valve.

[0008] More preferably, the gas-liquid input pipe is connected to the input port of the liquid seal tank via the first condensate pipe.

[0009] Further preferably, the installation position of the liquid seal tank is lower than the gas-liquid input pipe.

[0010] Preferably, the condensate collection tank is connected to a condensate drain pipe, the condensate drain pipe is connected to the liquid seal tank via the second condensate pipe, the condensate drain pipe is connected to the first condensate collection area via the third condensate pipe, the condensate drain pipe is connected to the second condensate collection area via the fourth condensate pipe, and the condensate drain pipe is connected to the third condensate collection area via the fifth condensate pipe.

[0011] More preferably, a second condensate valve is provided on the second condensate pipe, a condensate bypass pipe is provided on the second condensate pipe upstream of the second condensate valve, and a vent valve is provided on the condensate bypass pipe.

[0012] More preferably, the third condensate pipe is provided with a third condensate valve; the fourth condensate pipe is provided with a fourth condensate valve; and the fifth condensate pipe is provided with a fifth condensate valve.

[0013] Preferably, the second condensate collection area is separated from the first gas-liquid flow channel chamber and the first condensate collection area by a baffle.

[0014] More preferably, the baffle is provided with at least one baffle layer in sequence along a direction approaching the second condensate collecting area.

[0015] Further preferably, a wire mesh layer is provided between adjacent baffle layers.

[0016] Preferably, the output end of the third gas-liquid flow channel chamber is open and an air flow baffle is provided in the third gas-liquid flow channel chamber.

[0017] More preferably, the airflow baffle plate includes a first airflow baffle plate segment and a second airflow baffle plate segment, and the connecting end of the first airflow baffle plate segment and the second airflow baffle plate segment protrudes toward the output end of the third gas-liquid flow chamber.

[0018] More preferably, the air flow baffle is located on the gas-liquid flow passage.

[0019] Preferably, the third condensate collection area is arranged around the input end of the third gas-liquid flow channel chamber and is connected to the channel wall of the third gas-liquid flow channel chamber.

[0020] As mentioned above, the utility model provides a sudden large flow gas-liquid entrained liquid separation and collection device, which has the following features:

[0021] Beneficial effects:

[0022] (1) The utility model provides a sudden large flow of gas-liquid entrained liquid separation and collection device, which has a simple structure and is easy to operate. It ensures the continuous discharge of condensate through a closed pipe and a liquid sealing tank to avoid odor overflow.

[0023] (2) The utility model provides a sudden large flow gas-liquid entrained liquid separation and collection device, which can prevent the accumulation of condensate, reduce the pollution of the environment caused by the vented gas entrained liquid droplets, and prevent personnel from being harmed.

[0024] (3) The utility model provides a sudden large flow gas-liquid entrained liquid separation and collection device, which is cleverly designed, easy to operate, and low in cost, and is very worthy of promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 Shown is the overall structural diagram of a sudden large-flow gas-liquid entrained liquid separation and collection device in the present invention.

[0026] Reference numerals

[0027] 1 Gas and liquid inlet pipe

[0028] 2 Liquid seal tank

[0029] 3 Condensate collection tank

[0030] 41 First gas-liquid flow chamber

[0031] 42 Second gas-liquid flow chamber

[0032] 43 Third gas-liquid flow chamber

[0033] 44 First condensate collection area

[0034] 45 Second condensate collection area

[0035] 46 Third condensate collection area

[0036] 5 Gas-liquid control valve

[0037] 6 First condensate tube

[0038] 7. First condensate valve

[0039] 8 Condensate drain pipe

[0040] 9 Second condensate tube

[0041] 10 Third condensate tube

[0042] 11 Fourth condensate pipe

[0043] 12 Fifth condensate tube

[0044] 13 Second condensate valve

[0045] 14 Condensate bypass pipe

[0046] 15 Vent valve

[0047] 16 Third condensate valve

[0048] 17 Fourth condensate valve

[0049] 18 Fifth condensate valve

[0050] 19 Baffle

[0051] 20 airflow baffle

[0052] 201 First airflow baffle section

[0053] 202 Second air flow baffle section DETAILED DESCRIPTION

[0054] The following describes the implementation of the present invention through specific embodiments. People familiar with this technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0055] See also Figure 1 . It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of this utility model. Therefore, they have no substantive technical significance. Any modification of the structure, change in the proportional relationship or adjustment of the size should still fall within the scope of the technical content disclosed by this utility model without affecting the efficacy and purpose that can be achieved by this utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of this utility model. Changes or adjustments in their relative relationships should also be regarded as the scope of the implementation of this utility model without substantially changing the technical content.

[0056] The utility model provides a sudden large flow of gas and liquid entrained liquid separation and collection device, such as Figure 1 As shown, it includes a liquid separation and collection tank, a liquid seal tank 2, a condensate collection tank 3, and a gas-liquid input pipe 1. The liquid separation and collection tank is provided with a first gas-liquid flow tank chamber 41, a second gas-liquid flow tank chamber 42, and a third gas-liquid flow tank chamber 43 in sequence along the gas-liquid flow direction. A first condensate collection area 44 is provided below the first gas-liquid flow tank chamber 41, a second condensate collection area 45 is provided below the second gas-liquid flow tank chamber 42, and a third condensate collection area 46 is provided below the third gas-liquid flow tank chamber 43. The gas-liquid input pipe 1 is respectively connected to the liquid seal tank 2 and the first gas-liquid flow tank chamber 41, and the condensate collection tank 3 is respectively connected to the liquid seal tank 2, the first condensate collection area 44, the second condensate collection area 45, and the third condensate collection area 46.

[0057] In the above device, Figure 1As shown, the gas-liquid input pipe 1 is a conventional pressure relief pipe for normal pressure and positive pressure tower equipment, which can achieve safe discharge of tower equipment.

[0058] In the above device, Figure 1 As shown, the gas-liquid input pipe 1 is connected to a positive pressure tower. The positive pressure tower is a conventional distillation tower or absorption tower.

[0059] In the above device, Figure 1 As shown, a gas-liquid control valve 5 is provided at the connecting end between the gas-liquid input pipe 1 and the first gas-liquid flow tank chamber 41. The gas-liquid control valve 5 is a conventional electronic shut-off valve or safety relief valve. It can be used to quickly release the pressure in the tower when the tower equipment is over-pressurized.

[0060] In the above device, Figure 1 As shown, the gas-liquid input pipe 1 is connected to the liquid seal tank 2 through the first condensate pipe 6 .

[0061] In one embodiment, if Figure 1 As shown, the first condensate pipe 6 is provided with a first condensate valve 7 .

[0062] In one embodiment, if Figure 1 As shown, the gas-liquid input pipe 1 is connected to the input port of the liquid seal tank 2 through the first condensate pipe 6 .

[0063] In the above device, Figure 1 As shown, the installation position of the liquid seal tank 2 is lower than the gas-liquid input pipe 1. The static pressure difference of the liquid level height of the liquid seal tank 2 balances the pressure in the tower to prevent gas leakage.

[0064] The liquid-sealed tank 2 is a sealed container containing liquid.

[0065] In the above device, Figure 1 As shown, the condensate collection tank 3 is connected to a condensate drain pipe 8, the condensate drain pipe 8 is connected to the liquid seal tank 2 via the second condensate pipe 9, the condensate drain pipe 8 is connected to the first condensate collection area 44 via the third condensate pipe 10, the condensate drain pipe 8 is connected to the second condensate collection area 45 via the fourth condensate pipe 11, and the condensate drain pipe 8 is connected to the third condensate collection area 46 via the fifth condensate pipe 12.

[0066] In one embodiment, if Figure 1 As shown, a second condensate valve 13 is provided on the second condensate pipe 9 , a condensate bypass pipe 14 is provided on the second condensate pipe 9 upstream of the second condensate valve 13 , and a vent valve 15 is provided on the condensate bypass pipe 14 .

[0067] In one embodiment, if Figure 1 As shown, the third condensate pipe 10 is provided with a third condensate valve 16 .

[0068] In one embodiment, if Figure 1 As shown, the fourth condensate pipe 11 is provided with a fourth condensate valve 17 .

[0069] In one embodiment, if Figure 1 As shown, the fifth condensate pipe 12 is provided with a fifth condensate valve 18 .

[0070] In the above device, Figure 1 As shown, the second condensate collection area 45 is separated from the first gas-liquid flow channel chamber 41 and the first condensate collection area 44 by the baffle 19.

[0071] In one embodiment, if Figure 1 As shown, the baffle 19 is sequentially provided with at least one baffle layer along a direction close to the second condensate collecting area 45 .

[0072] In a preferred embodiment, Figure 1 As shown, the baffle layer includes two layers.

[0073] In a further preferred embodiment, Figure 1 As shown, a wire mesh layer is provided between adjacent baffle layers, which can be added to remove foam as required by the gas velocity.

[0074] The baffles used in the baffle layer are defoaming baffles, which are conventionally used carbon steel or stainless steel plates.

[0075] The wire mesh used in the wire mesh layer is a defoaming wire mesh, which is a conventional industrial defoaming wire mesh.

[0076] In the above device, Figure 1 As shown, the output end of the third gas-liquid flow channel chamber 43 is open and an air flow baffle 20 is provided in the third gas-liquid flow channel chamber 43 .

[0077] In one embodiment, if Figure 1 As shown, the airflow baffle 20 is located on the gas-liquid flow path. It is used to deflect the gas release flow process and intercept liquid droplets on the airflow baffle 20. One side of the airflow baffle 20 is fixedly connected to the groove wall of the third gas-liquid flow groove chamber 43, and the other side is unconnected and is the airflow passage side.

[0078] In one embodiment, if Figure 1 As shown, the airflow baffle 20 includes a first airflow baffle section 201 and a second airflow baffle section 202 , and the connecting end of the first airflow baffle section 201 and the second airflow baffle section 202 protrudes toward the output end of the third gas-liquid flow chamber 43 .

[0079] In a further preferred embodiment, Figure 1As shown, the cross-sectional area of ​​the area enclosed by the first airflow deflector section 201 and the second airflow deflector section 202 gradually decreases from the non-connected end of the first airflow deflector section 201 and the second airflow deflector section 202 to the connected end of the first airflow deflector section 201 and the second airflow deflector section 202.

[0080] In the above device, Figure 1 As shown, the third condensate collection area 46 is provided around the input end of the third gas-liquid flow chamber 43 and is connected to the wall of the third gas-liquid flow chamber 43 .

[0081] In the above device, the condensate collection tank 3 is a container that can be sealed and has a discharge process, and is used to collect liquid entrained by large flow of gas and liquid.

[0082] The gas-liquid control valve 5, the first condensate valve 7, the second condensate valve 13, the vent valve 15, the third condensate valve 16, the fourth condensate valve 17, and the fifth condensate valve 18 are industrial gate valves, stop valves, or ball valves, etc. They are used for equipment sealing, maintenance shutoff, and flow regulation.

[0083] The following combination Figure 1 , explaining the specific use process of a sudden large flow gas-liquid entrained liquid separation and collection device in the utility model.

[0084] Users get Figure 1 In the illustrated device for separating and collecting sudden high-flow gas-liquid entrainment, the liquid seal tank 2 is first filled with liquid before use. After the liquid seal is formed, the first condensate valve 7 before the vent valve 15 is opened and put into normal operation. A high-flow gas-liquid flow is introduced from the positive pressure tower into the gas-liquid inlet pipe 1. The third condensate valve 16, the fourth condensate valve 17, and the fifth condensate valve 18 are opened.

[0085] Some liquid entrained in the high-volume gas-liquid flow in the gas-liquid input pipe 1 flows through the first condensate pipe 6 into the liquid seal tank 2 for storage. The high-volume gas-liquid flow in the gas-liquid input pipe 1 enters the liquid separation and collection tank, and flows sequentially along the gas-liquid flow direction into the first gas-liquid flow tank chamber 41, the second gas-liquid flow tank chamber 42, and the third gas-liquid flow tank chamber 43. Some liquid entrained in the high-volume gas-liquid flow in the first gas-liquid flow tank chamber 41 flows through the third condensate pipe 10 and the condensate drain pipe 8 into the condensate collection tank 3 for storage; some liquid entrained in the high-volume gas-liquid flow in the second gas-liquid flow tank chamber 42 flows through the fourth condensate pipe 11 and the condensate drain pipe 8 into the condensate collection tank 3 for storage; and some liquid entrained in the high-volume gas-liquid flow in the third gas-liquid flow tank chamber 43 flows through the fifth condensate pipe 12 and the condensate drain pipe 8 into the condensate collection tank 3 for storage in the third condensate collection tank chamber 46. The second condensate valve 13 can also be opened to allow the liquid stored in the liquid seal tank 2 to flow into the condensate collection tank 3 through the second condensate pipe 9 and the condensate drain pipe 8 for storage.

[0086] After use, the drain valve 15 can be opened to drain the liquid used for liquid sealing in the liquid seal tank 2 through the second condensate pipe 9 and the condensate bypass pipe 14. The above device allows the condensate to be continuously discharged and the liquid entrained in the large flow of gas and liquid is intercepted.

[0087] In summary, the utility model provides a sudden large-flow gas-liquid entrained liquid separation and collection device, which ensures the continuous discharge of condensate, avoids odor overflow, and prevents the accumulation of condensate, reduces the pollution of the environment by vented gas entrained liquid droplets, and prevents personnel from being harmed. The above embodiments are only illustrative of the principles and effects of the utility model, and are not used to limit the utility model. Anyone familiar with this technology can modify or change the above embodiments without violating the spirit and scope of the utility model. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the utility model should still be covered by the claims of the utility model.

Claims

1. A sudden large flow gas-liquid entrained liquid separation and collection device, characterized in that: The invention comprises a liquid separation collection tank, a liquid sealing tank (2), a condensate collection tank (3), and a gas-liquid input pipe (1). The liquid separation collection tank is provided with a first gas-liquid flow tank chamber (41), a second gas-liquid flow tank chamber (42), and a third gas-liquid flow tank chamber (43) in sequence along the gas-liquid flow direction. A first condensate collection area (44) is provided below the first gas-liquid flow tank chamber (41), a second condensate collection area (45) is provided below the second gas-liquid flow tank chamber (42), and a third condensate collection area (46) is provided below the third gas-liquid flow tank chamber (43). The gas-liquid input pipe (1) is respectively connected to the liquid sealing tank (2) and the first gas-liquid flow tank chamber (41), and the condensate collection tank (3) is respectively connected to the liquid sealing tank (2), the first condensate collection area (44), the second condensate collection area (45), and the third condensate collection area (46).

2. The sudden large flow gas-liquid entrained liquid separation and collection device according to claim 1 is characterized in that: A gas-liquid control valve (5) is provided on the connecting end between the gas-liquid input pipe (1) and the first gas-liquid flow tank chamber (41); the gas-liquid input pipe (1) is connected to the liquid sealing tank (2) via the first condensate pipe (6).

3. The sudden large flow gas-liquid entrained liquid separation and collection device according to claim 2 is characterized in that: The first condensate pipe (6) is provided with a first condensate valve (7); the gas-liquid input pipe (1) is connected to the input port of the liquid seal tank (2) via the first condensate pipe (6).

4. The sudden large flow gas-liquid entrained liquid separation and collection device according to claim 1 is characterized in that: The condensate collection tank (3) is connected to a condensate drain pipe (8), the condensate drain pipe (8) is connected to the liquid seal tank (2) via a second condensate pipe (9), the condensate drain pipe (8) is connected to the first condensate collection area (44) via a third condensate pipe (10), the condensate drain pipe (8) is connected to the second condensate collection area (45) via a fourth condensate pipe (11), and the condensate drain pipe (8) is connected to the third condensate collection area (46) via a fifth condensate pipe (12).

5. The sudden large flow gas-liquid entrained liquid separation and collection device according to claim 4 is characterized in that: The second condensate pipe (9) is provided with a second condensate valve (13), the second condensate pipe (9) upstream of the second condensate valve (13) is provided with a condensate bypass pipe (14), and the condensate bypass pipe (14) is provided with a vent valve (15).

6. The sudden large flow gas-liquid entrained liquid separation and collection device according to claim 4 is characterized in that: The third condensate pipe (10) is provided with a third condensate valve (16); the fourth condensate pipe (11) is provided with a fourth condensate valve (17); The fifth condensate pipe (12) is provided with a fifth condensate valve (18).

7. The sudden large flow gas-liquid entrained liquid separation and collection device according to claim 1 is characterized in that: The second condensate collection area (45) is separated from the first gas-liquid flow channel chamber (41) and the first condensate collection area (44) by a baffle (19); the baffle (19) is provided with at least one baffle layer in sequence along the direction close to the second condensate collection area (45); and a wire mesh layer is also provided between adjacent baffle layers.

8. The sudden large flow gas-liquid entrained liquid separation and collection device according to claim 1 is characterized in that: The output end of the third gas-liquid flow chamber (43) is open and an airflow baffle (20) is provided inside the third gas-liquid flow chamber (43).

9. The sudden large flow gas-liquid entrained liquid separation and collection device according to claim 8, characterized in that: The airflow baffle plate (20) comprises a first airflow baffle plate section (201) and a second airflow baffle plate section (202), wherein the connecting end of the first airflow baffle plate section (201) and the second airflow baffle plate section (202) protrudes toward the output end of the third gas-liquid flow tank chamber (43).

10. The sudden large flow gas-liquid entrained liquid separation and collection device according to claim 1, characterized in that: The third condensate collection area (46) is arranged around the input end of the third gas-liquid flow chamber (43) and is connected to the chamber wall of the third gas-liquid flow chamber (43).

Images