Gas drainer convenient for monitoring height of water seal

Abstract

The utility model relates to the technical field of gas drainers, in particular to a gas drainer convenient for monitoring water seal height, which comprises a shell, a first chamber, a second chamber, a third chamber and a fourth chamber are sequentially arranged in the shell, the first chamber, the second chamber, the third chamber and the fourth chamber are sequentially communicated, the first chamber is communicated with a gas pipe, and the second chamber is communicated with the gas pipe. An overflow pipe is arranged on the fourth bin in a communicating mode, a nitrogen pipe is arranged on the first bin in a communicating mode, a nitrogen pressure gauge and an adjusting valve are arranged on the nitrogen pipe, exhaust pipes are arranged on the tops of the first bin, the second bin, the third bin and the fourth bin in a communicating mode, and exhaust valves and exhaust pressure gauges are arranged on the exhaust pipes. The first bin, the second bin, the third bin and the fourth bin are each provided with a quartz liquid level meter. The gas drainer has the effect of reducing sudden gas leakage of the gas drainer.

Description

Technical Field

[0001] The utility model relates to the technical field of gas drainers, in particular to a gas drainer which is convenient for monitoring the water seal height. Background Art

[0002] At present, in the iron and steel industry, due to the generation, transportation and utilization of media such as blast furnace gas, coke oven gas, and converter gas, gas transmission pipe networks are usually equipped in the factory area and gas drainers are arranged along the way. The gas drainers generally adopt a design scheme of multi-chamber water seals, which not only meets the height requirements of the water seal, but also effectively reduces the overall height of the equipment.

[0003] In the related art, a Chinese patent with the authorization announcement number of CN207049623U provides an anti-blocking gas drainer, which includes a shell. Three partitions are installed in the shell, and the interior of the shell is divided into four water storage chambers by the three partitions. The water storage chambers are successively the first chamber, the second chamber, the third chamber and the fourth chamber. A communication pipe is connected to the upper part of each partition, and the communication pipe connects the adjacent water storage chambers. A condensate pipe is connected to the upper part of the first chamber, and an overflow pipe is connected to the upper part of the fourth chamber near the upper part. A drain pipe is installed below the overflow pipe. The condensate pipe is connected to the gas pipeline. The condensate water and dirt in the gas pipeline enter the first chamber through the condensate pipe of the drainer. The communication pipe makes the liquid levels of the four water storage chambers equal, and the liquid exceeding the liquid level is discharged through the overflow pipe.

[0004] In the process of implementing the present application, the inventor found that at least the following problems exist in this technology: the communication pipe will gradually corrode and perforate from the first chamber to the fourth chamber, resulting in a gradual decrease in the water seal height of the gas drainer. Since the process of corrosion and perforation of the communication pipe is slow and the communication pipe is located inside the shell and difficult to directly monitor from the outside, the water seal of the drainer will suddenly break through, resulting in a gas leakage accident on site. Summary of the Utility Model

[0005] In order to reduce the sudden gas leakage of the gas drainer, the present application provides a gas drainer which is convenient for monitoring the water seal height.

[0006] The gas drainer which is convenient for monitoring the water seal height provided by the present application adopts the following technical solutions:

[0007] A gas drainage device facilitating the monitoring of the water seal height, comprising a housing. Inside the housing, a first chamber, a second chamber, a third chamber and a fourth chamber are sequentially arranged. The first chamber, the second chamber, the third chamber and the fourth chamber are sequentially communicated with each other. A gas pipe is communicated with the first chamber. An overflow pipe is communicated with the fourth chamber. A nitrogen pipe is communicated with the first chamber. A nitrogen pressure gauge and a regulating valve are arranged on the nitrogen pipe. Exhaust pipes are communicated with the tops of the first chamber, the second chamber, the third chamber and the fourth chamber. An exhaust valve and an exhaust pressure gauge are arranged on the exhaust pipes. Quartz liquid level gauges are arranged on the first chamber, the second chamber, the third chamber and the fourth chamber.

[0008] By adopting the above technical solution, during normal operation, the exhaust valve is closed, the gas pipe connects the input pipe with the gas transmission pipeline network, the condensed water and dirt in the gas transmission pipeline network enter Chamber 1 through the gas pipe, the liquid levels in Chamber 1, Chamber 2, Chamber 3 and Chamber 4 are equal, and the liquid exceeding the liquid level in Chamber 4 is discharged through the overflow pipe. When the quartz liquid level gauge shows an abnormal drop, the gas pipe is stopped, Chamber 1, Chamber 2, Chamber 3 and Chamber 4 are dredged, cleared and cleaned, and then water is added to Chamber 1, Chamber 2, Chamber 3 and Chamber 4 until overflow occurs. Then, the nitrogen gas pipe is connected to the nitrogen gas tank, only the exhaust valve on Chamber 1 is opened, and the pressure is gradually increased using the pressure regulating valve. When nitrogen gas emerges from the exhaust pipe on Chamber 1, it indicates that the water seal in Chamber 1 has been punctured. At this time, the reading of the nitrogen gas pressure gauge is the effective pressure of the water seal in Chamber 1. If the effective pressure of Chamber 1 is not lower than the calibrated pressure of Chamber 1, it proves that the detection of the water seal height in Chamber 1 is qualified. If the effective pressure of Chamber 1 is lower than the calibrated pressure of Chamber 1, it proves that the pipeline in Chamber 1 is severely corroded and perforated, and the staff will maintain the pipeline in Chamber 1. When the water seal height of Chamber 1 is qualified, the exhaust valve on Chamber 1 is closed and the exhaust valve on Chamber 2 is opened, and the pressure is gradually increased using the pressure regulating valve. When nitrogen gas emerges from the exhaust pipe on Chamber 2, it indicates that the water seal in Chamber 2 has been punctured. At this time, the reading of the nitrogen gas pressure gauge is the effective pressure of the water seals in Chamber 1 and Chamber 2. If the effective pressures of Chamber 1 and Chamber 2 are not lower than the calibrated pressures of Chamber 1 and Chamber 2, it proves that the detection of the water seal height in Chamber 2 is qualified. If the effective pressures of Chamber 1 and Chamber 2 are lower than the calibrated pressures of Chamber 1 and Chamber 2, it proves that the pipeline in Chamber 2 is severely corroded and perforated, and the staff will maintain the pipeline in Chamber 2. When the water seal height of Chamber 2 is qualified, the exhaust valve on Chamber 2 is closed and the exhaust valve on Chamber 3 is opened, and the pressure is gradually increased using the pressure regulating valve. When nitrogen gas emerges from the exhaust pipe on Chamber 3, it indicates that the water seal in Chamber 3 has been punctured. At this time, the reading of the nitrogen gas pressure gauge is the effective pressure of the water seals in Chamber 1, Chamber 2 and Chamber 3. If the effective pressures of Chamber 1, Chamber 2 and Chamber 3 are not lower than the calibrated pressures of Chamber 1, Chamber 2 and Chamber 3, it proves that the detection of the water seal height in Chamber 3 is qualified. If the effective pressures of Chamber 1, Chamber 2 and Chamber 3 are lower than the calibrated pressures of Chamber 1, Chamber 2 and Chamber 3, it proves that the pipeline in Chamber 3 is severely corroded and perforated, and the staff will maintain the pipeline in Chamber 3. When the water seal height of Chamber 3 is qualified, the exhaust valve on Chamber 3 is closed and the exhaust valve on Chamber 4 is opened, and the pressure is gradually increased using the pressure regulating valve. When nitrogen gas emerges from the exhaust pipe on Chamber 4, it indicates that the water seal in Chamber 4 has been punctured. At this time, the reading of the nitrogen gas pressure gauge is the effective pressure of the water seals in Chamber 1, Chamber 2, Chamber 3 and Chamber 4. If the effective pressures of Chamber 1, Chamber 2, Chamber 3 and Chamber 4 are not lower than the calibrated pressures of Chamber 1, Chamber 2, Chamber 3 and Chamber 4, it proves that the detection of the water seal height in Chamber 4 is qualified. If the effective pressures of Chamber 1, Chamber 2, Chamber 3 and Chamber 4 are lower than the calibrated pressures of Chamber 1, Chamber 2, Chamber 3 and Chamber 4,It is proved that the pipeline in Chamber 4 is severely corroded and perforated. The staff maintain the pipeline in Chamber 4. Thus, when the quartz liquid level gauge shows abnormal fluctuations, the staff can timely detect the corrosion and perforation of the pipeline in the drainer, reduce the situation where the water seal of the drainer is suddenly broken through, and lower the probability of gas leakage accidents at the site.

[0009] Preferably, a high-pressure partition board, a medium-pressure partition board, and a low-pressure partition board are fixedly arranged in the shell. The high-pressure partition board is located between Chamber 1 and Chamber 2, the medium-pressure partition board is located between Chamber 2 and Chamber 3, the low-pressure partition board is located between Chamber 3 and Chamber 4. The side walls of the high-pressure partition board, the medium-pressure partition board, and the low-pressure partition board are all in mutual fit with the inner wall of the shell. A water seal assembly is jointly arranged on the high-pressure partition board, the medium-pressure partition board, and the low-pressure partition board, and the water seal assembly is used to form a water seal for the gas.

[0010] By adopting the above technical solution, the high-pressure partition board separates Chamber 1 and Chamber 2, and Chamber 1 and Chamber 2 are connected through the water seal assembly on the high-pressure partition board. The medium-pressure partition board separates Chamber 2 and Chamber 3, and Chamber 2 and Chamber 3 are connected through the water seal assembly on the medium-pressure partition board. The low-pressure partition board separates Chamber 3 and Chamber 4, and Chamber 3 and Chamber 4 are connected through the water seal assembly on the low-pressure partition board.

[0011] Preferably, the water seal assembly includes a high-pressure horizontal pipe and a high-pressure vertical pipe. The high-pressure horizontal pipe penetrates the high-pressure partition board. One end of the high-pressure horizontal pipe is located in Chamber 1, and the other end of the high-pressure horizontal pipe is located in Chamber 2. The high-pressure vertical pipe is located in Chamber 2. The top end of the high-pressure vertical pipe is communicated with one end of the high-pressure horizontal pipe located in Chamber 2, and the bottom end of the high-pressure vertical pipe is close to the bottom of the shell.

[0012] By adopting the above technical solution, when the liquid level height in Chamber 1 exceeds the high-pressure horizontal pipe, the liquid in Chamber 1 enters Chamber 2 through the high-pressure horizontal pipe and the high-pressure vertical pipe. The liquid in the high-pressure vertical pipe forms a water seal for the gas. When the high-pressure vertical pipe is corroded and perforated, the effective water seal height in the high-pressure vertical pipe is shortened.

[0013] Preferably, the water seal assembly further includes a medium-pressure horizontal pipe and a medium-pressure vertical pipe. The medium-pressure horizontal pipe penetrates the medium-pressure partition board. One end of the medium-pressure horizontal pipe is located in Chamber 2, and the other end of the medium-pressure horizontal pipe is located in Chamber 3. The medium-pressure vertical pipe is located in Chamber 3. The top end of the medium-pressure vertical pipe is communicated with one end of the medium-pressure horizontal pipe located in Chamber 3, and the bottom end of the medium-pressure vertical pipe is close to the bottom of the shell.

[0014] By adopting the above technical solution, when the liquid level height in Chamber 2 exceeds the medium-pressure horizontal pipe, the liquid in Chamber 2 enters Chamber 3 through the medium-pressure horizontal pipe and the medium-pressure vertical pipe. The liquid in the medium-pressure vertical pipe forms a water seal for the gas. When the medium-pressure vertical pipe is corroded and perforated, the effective water seal height in the medium-pressure vertical pipe is shortened.

[0015] Preferably, the water seal assembly further includes a low-pressure horizontal pipe and a low-pressure vertical pipe. The low-pressure horizontal pipe penetrates the low-pressure partition plate. One end of the low-pressure horizontal pipe is located in Chamber Three, and the other end is located in Chamber Four. The low-pressure vertical pipe is located in Chamber Four. The top end of the low-pressure vertical pipe communicates with one end of the low-pressure horizontal pipe located in Chamber Four, and the bottom end of the low-pressure vertical pipe is close to the bottom of the housing.

[0016] By adopting the above technical solution, when the liquid level height in Chamber Three exceeds the low-pressure horizontal pipe, the liquid in Chamber Three enters Chamber Four through the low-pressure horizontal pipe and the low-pressure vertical pipe. The liquid in the low-pressure vertical pipe forms a water seal for the gas. When the low-pressure vertical pipe corrodes and perforates, the effective water seal height in the low-pressure vertical pipe shortens.

[0017] Preferably, an input pipe is disposed through the top of the housing. The bottom end of the input pipe communicates with Chamber One. The bottom end of the input pipe is close to the bottom of the housing, and the top end of the input pipe is located above the housing. A tee pipe is commonly connected to the input pipe, the gas pipe, and the nitrogen pipe. A gas valve is disposed between the first inlet of the tee pipe and the gas pipe, a nitrogen valve is disposed between the second inlet of the tee pipe and the nitrogen pipe, and an input valve is disposed between the outlet of the tee pipe and the input pipe.

[0018] By adopting the above technical solution, the gas pipe is connected to the gas transmission pipeline network, and the nitrogen pipe is connected to the nitrogen gas tank. When the gas valve is opened, the nitrogen valve is closed. At this time, the gas in the gas pipe enters the input pipe through the tee pipe. When the nitrogen valve is opened, the gas valve is closed. At this time, the nitrogen gas in the nitrogen gas tank enters the input pipe through the tee pipe.

[0019] Preferably, drain pipes are communicated with the sides of Chamber One, Chamber Two, Chamber Three, and Chamber Four, and drain valves are disposed on the drain pipes. Water supply pipes are communicated with the tops of Chamber One and Chamber Four, and water supply valves are disposed on the water supply pipes.

[0020] By adopting the above technical solution, the sewage in the housing is discharged through the drain pipe, and the housing is replenished with water through the water supply pipe.

[0021] Preferably, a gas alarm is disposed on the housing.

[0022] By adopting the above technical solution, when the gas concentration near the housing exceeds the limit value, the gas alarm gives an alarm.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. By setting a housing, Chamber 1, Chamber 2, Chamber 3, Chamber 4, a gas pipe, an overflow pipe, a nitrogen pipe, a nitrogen pressure gauge, a regulating valve, an exhaust pipe, an exhaust valve, an exhaust pressure gauge, and a quartz liquid level gauge, when the quartz liquid level gauge shows abnormal fluctuations, the staff can timely detect the corrosion and perforation of the pipes inside the drainer, reduce the situation where the water seal of the drainer is suddenly punctured, and lower the probability of gas leakage accidents at the site;

[0025] 2. By setting a high-pressure horizontal pipe, a high-pressure vertical pipe, a medium-pressure horizontal pipe, a medium-pressure vertical pipe, a low-pressure horizontal pipe, and a low-pressure vertical pipe, a water seal is formed for the gas;

[0026] 3. By setting an input pipe, a tee pipe, a gas valve, a nitrogen valve, and an input valve, the effect of switching and connecting nitrogen and gas into the housing is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a schematic structural diagram of a gas drainer for facilitating the monitoring of the water seal height in an embodiment of the present application.

[0028] Figure 2 is Figure 1 an enlarged view of part A in

[0029] Figure 3 is a sectional view showing the positional relationship between Chamber 1 and Chamber 4 in an embodiment of the present application.

[0030] Figure 4 is a schematic diagram showing the connection relationship between the input pipe and the tee pipe in an embodiment of the present application.

[0031] DESCRIPTION OF THE REFERENCE NUMERALS: 1, housing; 11, Chamber 1; 12, Chamber 2; 13, Chamber 3; 14, Chamber 4; 2, tee pipe; 21, gas pipe; 211, gas valve; 22, nitrogen pipe; 221, nitrogen valve; 222, nitrogen pressure gauge; 223, regulating valve; 23, input pipe; 231, input valve; 3, exhaust pipe; 31, exhaust valve; 32, exhaust pressure gauge; 4, quartz liquid level gauge; 5, water seal assembly; 51, high-pressure partition; 511, high-pressure horizontal pipe; 512, high-pressure vertical pipe; 52, medium-pressure partition; 521, medium-pressure horizontal pipe; 522, medium-pressure vertical pipe; 53, low-pressure partition; 531, low-pressure horizontal pipe; 532, low-pressure vertical pipe; 6, sewage pipe; 61, sewage valve; 7, make-up water pipe; 71, make-up water valve; 8, overflow pipe; 9, gas alarm. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] The following further describes the present application in detail with reference to the Figures 1-4 accompanying drawings.

[0033] An embodiment of the present application discloses a gas drainer for facilitating the monitoring of the water seal height. Refer to Figures 1 to 3, including a housing 1, on which a gas alarm 9 is installed. When the gas concentration near the housing 1 exceeds the limit value, the gas alarm 9 gives an alarm. Inside the housing 1, a high-pressure partition 51, a medium-pressure partition 52 and a low-pressure partition 53 are installed, and the side walls of the high-pressure partition 51, the medium-pressure partition 52 and the low-pressure partition 53 are all in close contact with the inner wall of the housing 1. A water seal assembly 5 is installed on the high-pressure partition 51, the medium-pressure partition 52 and the low-pressure partition 53 together, and the water seal assembly 5 is used to form a water seal for the gas. Inside the housing 1, from left to right, there are chamber one 11, chamber two 12, chamber three 13 and chamber four 14. Drain pipes 6 are connected to the sides of chamber one 11, chamber two 12, chamber three 13 and chamber four 14, and drain valves 61 are installed on the drain pipes 6. Make-up water pipes 7 are connected to the tops of chamber one 11 and chamber four 14, and make-up water valves 71 are installed on the make-up water pipes 7. A gas pipe 21 is connected to chamber one 11, and an overflow pipe 8 is connected to chamber four 14. The sewage inside the housing 1 is discharged through the drain pipe 6, and the housing 1 is replenished with water through the make-up water pipe 7. The high-pressure partition 51 is located between chamber one 11 and chamber two 12, the high-pressure partition 51 separates chamber one 11 from chamber two 12, and chamber one 11 and chamber two 12 are connected through the water seal assembly 5 on the high-pressure partition 51. The medium-pressure partition 52 is located between chamber two 12 and chamber three 13, the medium-pressure partition 52 separates chamber two 12 from chamber three 13, and chamber two 12 and chamber three 13 are connected through the water seal assembly 5 on the medium-pressure partition 52. The low-pressure partition 53 is located between chamber three 13 and chamber four 14, the low-pressure partition 53 separates chamber three 13 from chamber four 14, and chamber three 13 and chamber four 14 are connected through the water seal assembly 5 on the low-pressure partition 53. During normal operation, the exhaust valve 31 is closed, the gas pipe 21 connects the input pipe 23 to the gas transmission pipeline network, the condensate water and dirt in the gas transmission pipeline network enter chamber one 11 through the gas pipe 21, the liquid levels in chamber one 11, chamber two 12, chamber three 13 and chamber four 14 are the same height, and the liquid exceeding the liquid level in chamber four 14 is discharged through the overflow pipe 8.

[0034] Reference Figures 1 to 3, quartz liquid level gauges 4 are installed on the first bin 11, the second bin 12, the third bin 13, and the fourth bin 14. A nitrogen gas pipe 22 is connected to the first bin 11, and a nitrogen gas pressure gauge 222 and a regulating valve 223 are installed on the nitrogen gas pipe 22. Exhaust pipes 3 are connected to the tops of the first bin 11, the second bin 12, the third bin 13, and the fourth bin 14, and an exhaust valve 31 and an exhaust pressure gauge 32 are installed on the exhaust pipes 3. When the quartz liquid level gauge 4 shows an abnormal drop, the gas pipe 21 is cut off, and the first bin 11, the second bin 12, the third bin 13, and the fourth bin 14 are dredged, unclogged, and cleaned. Then, water is added to the first bin 11, the second bin 12, the third bin 13, and the fourth bin 14 until overflowing, and then the nitrogen gas pipe 22 is connected to a nitrogen gas tank. First, only the exhaust valve 31 on the first bin 11 is opened, and the pressure is gradually increased using a pressure regulating valve. When nitrogen gas escapes from the exhaust pipe 3 on the first bin 11, it indicates that the water seal of the first bin 11 has been punctured. At this time, the reading of the nitrogen gas pressure gauge 222 is the effective pressure of the water seal of the first bin 11. If the effective pressure of the first bin 11 is not lower than the calibrated pressure of the first bin 11, it proves that the detection of the water seal height of the first bin 11 is qualified; if the effective pressure of the first bin 11 is lower than the calibrated pressure of the first bin 11, it proves that the pipeline inside the first bin 11 is severely corroded and perforated, and the staff will maintain the pipeline inside the first bin 11. When the water seal height of the first bin 11 is qualified, the exhaust valve 31 on the first bin 11 is closed and the exhaust valve 31 on the second bin 12 is opened, and the pressure is gradually increased using a pressure regulating valve. When nitrogen gas escapes from the exhaust pipe 3 on the second bin 12, it indicates that the water seal of the second bin 12 has been punctured. At this time, the reading of the nitrogen gas pressure gauge 222 is the effective pressure of the water seals of the first bin 11 and the second bin 12. If the effective pressures of the first bin 11 and the second bin 12 are not lower than the calibrated pressures of the first bin 11 and the second bin 12, it proves that the detection of the water seal height of the second bin 12 is qualified; if the effective pressures of the first bin 11 and the second bin 12 are lower than the calibrated pressures of the first bin 11 and the second bin 12, it proves that the pipeline inside the second bin 12 is severely corroded and perforated, and the staff will maintain the pipeline inside the second bin 12. When the water seal height of the second bin 12 is qualified, the exhaust valve 31 on the second bin 12 is closed and the exhaust valve 31 on the third bin 13 is opened, and the pressure is gradually increased using a pressure regulating valve. When nitrogen gas escapes from the exhaust pipe 3 on the third bin 13, it indicates that the water seal of the third bin 13 has been punctured. At this time, the reading of the nitrogen gas pressure gauge 222 is the effective pressure of the water seals of the first bin 11, the second bin 12, and the third bin 13. If the effective pressures of the first bin 11, the second bin 12, and the third bin 13 are not lower than the calibrated pressures of the first bin 11, the second bin 12, and the third bin 13, it proves that the detection of the water seal height of the third bin 13 is qualified; if the effective pressures of the first bin 11, the second bin 12, and the third bin 13 are lower than the calibrated pressures of the first bin 11, the second bin 12, and the third bin 13, it proves that the pipeline inside the third bin 13 is severely corroded and perforated, and the staff will maintain the pipeline inside the third bin 13.After the water seal height of Chamber Three 13 meets the requirements, close the exhaust valve 31 on Chamber Three 13 and open the exhaust valve 31 on Chamber Four 14. Gradually increase the pressure using the pressure regulating valve. When nitrogen gas emerges from the exhaust pipe 3 on Chamber Four 14, it indicates that the water seal of Chamber Four 14 has been punctured. At this time, the reading of the nitrogen pressure gauge 222 is the effective pressure of the water seals of Chamber One 11, Chamber Two 12, Chamber Three 13, and Chamber Four 14. If the effective pressures of Chamber One 11, Chamber Two 12, Chamber Three 13, and Chamber Four 14 are not lower than the calibrated pressures of Chamber One 11, Chamber Two 12, Chamber Three 13, and Chamber Four 14, it proves that the water seal height detection of Chamber Four 14 is qualified; if the effective pressures of Chamber One 11, Chamber Two 12, Chamber Three 13, and Chamber Four 14 are lower than the calibrated pressures of Chamber One 11, Chamber Two 12, Chamber Three 13, and Chamber Four 14, it proves that the pipes inside Chamber Four 14 are severely corroded and perforated, and the staff will maintain the pipes inside Chamber Four 14. Thus, when the quartz level gauge 4 shows abnormal fluctuations, the staff can timely detect the corrosion and perforation of the pipes inside the drainer, reduce the situation where the water seal of the drainer is suddenly punctured, and lower the probability of gas leakage accidents at the site.

[0035] To form a water seal for the gas, refer to Figures 1 to 3, the water seal assembly 5 includes a high-pressure horizontal pipe 511, a high-pressure vertical pipe 512, a medium-pressure horizontal pipe 521, a medium-pressure vertical pipe 522, a low-pressure horizontal pipe 531, and a low-pressure vertical pipe 532. The high-pressure horizontal pipe 511 penetrates the high-pressure partition plate 51. One end of the high-pressure horizontal pipe 511 is located in the first chamber 11, and the other end of the high-pressure horizontal pipe 511 is located in the second chamber 12. The high-pressure vertical pipe 512 is located in the second chamber 12. The top end of the high-pressure vertical pipe 512 is communicated with one end of the high-pressure horizontal pipe 511 located in the second chamber 12, and the bottom end of the high-pressure vertical pipe 512 is close to the bottom of the housing 1. The medium-pressure horizontal pipe 521 penetrates the medium-pressure partition plate 52. One end of the medium-pressure horizontal pipe 521 is located in the second chamber 12, and the other end of the medium-pressure horizontal pipe 521 is located in the third chamber 13. The medium-pressure vertical pipe 522 is located in the third chamber 13. The top end of the medium-pressure vertical pipe 522 is communicated with one end of the medium-pressure horizontal pipe 521 located in the third chamber 13, and the bottom end of the medium-pressure vertical pipe 522 is close to the bottom of the housing 1. The low-pressure horizontal pipe 531 penetrates the low-pressure partition plate 53. One end of the low-pressure horizontal pipe 531 is located in the third chamber 13, and the other end of the low-pressure horizontal pipe 531 is located in the fourth chamber 14. The low-pressure vertical pipe 532 is located in the fourth chamber 14. The top end of the low-pressure vertical pipe 532 is communicated with one end of the low-pressure horizontal pipe 531 located in the fourth chamber 14, and the bottom end of the low-pressure vertical pipe 532 is close to the bottom of the housing 1. When the liquid level height in the first chamber 11 exceeds the high-pressure horizontal pipe 511, the liquid in the first chamber 11 enters the second chamber 12 through the high-pressure horizontal pipe 511 and the high-pressure vertical pipe 512. The liquid in the high-pressure vertical pipe 512 forms a water seal for the gas. When the high-pressure vertical pipe 512 corrodes and perforates, the effective water seal height in the high-pressure vertical pipe 512 shortens. When the liquid level height in the second chamber 12 exceeds the medium-pressure horizontal pipe 521, the liquid in the second chamber 12 enters the third chamber 13 through the medium-pressure horizontal pipe 521 and the medium-pressure vertical pipe 522. The liquid in the medium-pressure vertical pipe 522 forms a water seal for the gas. When the medium-pressure vertical pipe 522 corrodes and perforates, the effective water seal height in the medium-pressure vertical pipe 522 shortens. When the liquid level height in the third chamber 13 exceeds the low-pressure horizontal pipe 531, the liquid in the third chamber 13 enters the fourth chamber 14 through the low-pressure horizontal pipe 531 and the low-pressure vertical pipe 532. The liquid in the low-pressure vertical pipe 532 forms a water seal for the gas. When the low-pressure vertical pipe 532 corrodes and perforates, the effective water seal height in the low-pressure vertical pipe 532 shortens.

[0036] To switch the access of nitrogen and gas into the housing 1, refer to Figures 1 to 4, an input pipe 23 is provided through the top of the housing 1, and the bottom end of the input pipe 23 is communicated with the first chamber 11. The bottom end of the input pipe 23 is close to the bottom of the housing 1, and the top end of the input pipe 23 is located above the housing 1. A tee 2 is commonly connected to the input pipe 23, the gas pipe 21, and the nitrogen pipe 22. A gas valve 211 is installed between the first inlet of the tee 2 and the gas pipe 21, a nitrogen valve 221 is installed between the second inlet of the tee 2 and the nitrogen pipe 22, and an input valve 231 is installed between the outlet of the tee 2 and the input pipe 23. The gas pipe 21 is connected to the gas transmission pipeline network, and the nitrogen pipe 22 is connected to the nitrogen tank. When the gas valve 211 is opened and the nitrogen valve 221 is closed, the gas in the gas pipe 21 enters the input pipe 23 through the tee 2. When the nitrogen valve 221 is opened and the gas valve 211 is closed, the nitrogen in the nitrogen tank enters the input pipe 23 through the tee 2.

[0037] The implementation principle of a gas drainer for facilitating the monitoring of the water seal height in an embodiment of the present application is as follows: during normal operation, the exhaust valve 31 is closed, the gas pipe 21 connects the input pipe 23 with the gas transmission pipeline network, the condensed water and dirt in the gas transmission pipeline network enter the first chamber 11 through the gas pipe 21, the liquid levels in the first chamber 11, the second chamber 12, the third chamber 13, and the fourth chamber 14 are equal, and the liquid exceeding the liquid level in the fourth chamber 14 is discharged through the overflow pipe 8.

[0038] When the quartz liquid level gauge 4 shows an abnormal drop, the gas pipe 21 is stopped, the first chamber 11, the second chamber 12, the third chamber 13, and the fourth chamber 14 are dredged, cleared, and cleaned, then the first chamber 11, the second chamber 12, the third chamber 13, and the fourth chamber 14 are filled with water until overflow, and then the nitrogen pipe 22 is connected to the nitrogen tank.

[0039] First, only the exhaust valve 31 on the first chamber 11 is opened, and the pressure is gradually increased using the pressure regulating valve. When nitrogen gas emerges from the exhaust pipe 3 on the first chamber 11, it indicates that the water seal in the first chamber 11 has been penetrated, and at this time, the reading of the nitrogen pressure gauge 222 is the effective pressure of the water seal in the first chamber 11. If the effective pressure of the first chamber 11 is not lower than the calibrated pressure of the first chamber 11, it proves that the detection of the water seal height in the first chamber 11 is qualified; if the effective pressure of the first chamber 11 is lower than the calibrated pressure of the first chamber 11, it proves that the input pipe 23 in the first chamber 11 is severely corroded and perforated, and the staff maintains the input pipe 23 in the first chamber 11.

[0040] After the water seal height of Chamber 11 meets the requirements, close the exhaust valve 31 on Chamber 11 and open the exhaust valve 31 on Chamber 12. Gradually increase the pressure using the pressure regulating valve. When nitrogen gas escapes from the exhaust pipe 3 on Chamber 12, it indicates that the water seal of Chamber 12 has been breached. At this time, the reading of the nitrogen pressure gauge 222 is the effective pressure of the water seals of Chamber 11 and Chamber 12. If the effective pressures of Chamber 11 and Chamber 12 are not lower than the calibrated pressures of Chamber 11 and Chamber 12, it proves that the water seal height detection of Chamber 12 is qualified; if the effective pressures of Chamber 11 and Chamber 12 are lower than the calibrated pressures of Chamber 11 and Chamber 12, it proves that the high-pressure vertical pipe 512 and high-pressure horizontal pipe 511 inside Chamber 12 are severely corroded and perforated, and the staff will maintain the high-pressure vertical pipe 512 and high-pressure horizontal pipe 511 inside Chamber 12.

[0041] After the water seal height of Chamber 12 meets the requirements, close the exhaust valve 31 on Chamber 12 and open the exhaust valve 31 on Chamber 13. Gradually increase the pressure using the pressure regulating valve. When nitrogen gas escapes from the exhaust pipe 3 on Chamber 13, it indicates that the water seal of Chamber 13 has been breached. At this time, the reading of the nitrogen pressure gauge 222 is the effective pressure of the water seals of Chamber 11, Chamber 12, and Chamber 13. If the effective pressures of Chamber 11, Chamber 12, and Chamber 13 are not lower than the calibrated pressures of Chamber 11, Chamber 12, and Chamber 13, it proves that the water seal height detection of Chamber 13 is qualified; if the effective pressures of Chamber 11, Chamber 12, and Chamber 13 are lower than the calibrated pressures of Chamber 11, Chamber 12, and Chamber 13, it proves that the medium-pressure vertical pipe 522 and medium-pressure horizontal pipe 521 inside Chamber 13 are severely corroded and perforated, and the staff will maintain the medium-pressure vertical pipe 522 and medium-pressure horizontal pipe 521 inside Chamber 13.

[0042] After the water seal height of Chamber 13 meets the requirements, close the exhaust valve 31 on Chamber 13 and open the exhaust valve 31 on Chamber 14. Gradually increase the pressure using the pressure regulating valve. When nitrogen gas escapes from the exhaust pipe 3 on Chamber 14, it indicates that the water seal of Chamber 14 has been breached. At this time, the reading of the nitrogen pressure gauge 222 is the effective pressure of the water seals of Chamber 11, Chamber 12, Chamber 13, and Chamber 14. If the effective pressures of Chamber 11, Chamber 12, Chamber 13, and Chamber 14 are not lower than the calibrated pressures of Chamber 11, Chamber 12, Chamber 13, and Chamber 14, it proves that the water seal height detection of Chamber 14 is qualified; if the effective pressures of Chamber 11, Chamber 12, Chamber 13, and Chamber 14 are lower than the calibrated pressures of Chamber 11, Chamber 12, Chamber 13, and Chamber 14, it proves that the low-pressure vertical pipe 532 and low-pressure horizontal pipe 531 inside Chamber 14 are severely corroded and perforated, and the staff will maintain the low-pressure vertical pipe 532 and low-pressure horizontal pipe 531 inside Chamber 14.

[0043] Therefore, when the quartz liquid level gauge 4 shows abnormal fluctuations, the staff can timely detect the corrosion and perforation of the pipeline in the drainer, reduce the situation where the water seal of the drainer is suddenly broken through, and reduce the probability of gas leakage accidents on site.

[0044] The above are all preferred embodiments of this application. The protection scope of this application is not limited accordingly. Therefore, any equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. A gas drainer facilitating the monitoring of the water seal height, comprising a housing (1). A first chamber (11), a second chamber (12), a third chamber (13) and a fourth chamber (14) are sequentially arranged in the housing (1). The first chamber (11), the second chamber (12), the third chamber (13) and the fourth chamber (14) are sequentially communicated with each other. A gas pipe (21) is communicated with the first chamber (11), and an overflow pipe (8) is communicated with the fourth chamber (14). It is characterized in that: A nitrogen pipe (22) is connected to the upper part of the first chamber (11). A nitrogen pressure gauge (222) and a regulating valve (223) are arranged on the nitrogen pipe (22). Exhaust pipes (3) are connected to the tops of the first chamber (11), the second chamber (12), the third chamber (13) and the fourth chamber (14). An exhaust valve (31) and an exhaust pressure gauge (32) are arranged on the exhaust pipes (3). Quartz liquid level gauges (4) are arranged on the first chamber (11), the second chamber (12), the third chamber (13) and the fourth chamber (14).

2. The gas drainer for facilitating the monitoring of the water seal height according to claim 1, wherein: A high-pressure partition plate (51), a medium-pressure partition plate (52) and a low-pressure partition plate (53) are fixedly arranged in the housing (1). The high-pressure partition plate (51) is located between the first chamber (11) and the second chamber (12). The medium-pressure partition plate (52) is located between the second chamber (12) and the third chamber (13). The low-pressure partition plate (53) is located between the third chamber (13) and the fourth chamber (14). The side walls of the high-pressure partition plate (51), the medium-pressure partition plate (52) and the low-pressure partition plate (53) are all in mutual contact with the inner wall of the housing (1). A water seal assembly (5) is jointly arranged on the high-pressure partition plate (51), the medium-pressure partition plate (52) and the low-pressure partition plate (53). The water seal assembly (5) is used to form a water seal for the gas.

3. The gas drainer for facilitating the monitoring of the water seal height according to claim 2, characterized in that: The water seal assembly (5) includes a high-pressure horizontal pipe (511) and a high-pressure vertical pipe (512). The high-pressure horizontal pipe (511) penetrates through the high-pressure partition plate (51). One end of the high-pressure horizontal pipe (511) is located in the first chamber (11), and the other end of the high-pressure horizontal pipe (511) is located in the second chamber (12). The high-pressure vertical pipe (512) is located in the second chamber (12). The top end of the high-pressure vertical pipe (512) is communicated with one end of the high-pressure horizontal pipe (511) located in the second chamber (12). The bottom end of the high-pressure vertical pipe (512) is close to the bottom of the housing (1).

4. A gas drainer facilitating the monitoring of the water seal height according to claim 3, characterized in that: The water seal assembly (5) further includes a medium-pressure horizontal pipe (521) and a medium-pressure vertical pipe (522). The medium-pressure horizontal pipe (521) penetrates through the medium-pressure partition plate (52). One end of the medium-pressure horizontal pipe (521) is located in the second chamber (12), and the other end of the medium-pressure horizontal pipe (521) is located in the third chamber (13). The medium-pressure vertical pipe (522) is located in the third chamber (13). The top end of the medium-pressure vertical pipe (522) is communicated with one end of the medium-pressure horizontal pipe (521) located in the third chamber (13). The bottom end of the medium-pressure vertical pipe (522) is close to the bottom of the housing (1).

5. The gas drainer for facilitating the monitoring of the water seal height according to claim 4, wherein: The water seal assembly (5) further includes a low-pressure horizontal pipe (531) and a low-pressure vertical pipe (532). The low-pressure horizontal pipe (531) penetrates through the low-pressure partition plate (53). One end of the low-pressure horizontal pipe (531) is located in the third chamber (13), and the other end of the low-pressure horizontal pipe (531) is located in the fourth chamber (14). The low-pressure vertical pipe (532) is located in the fourth chamber (14). The top end of the low-pressure vertical pipe (532) is communicated with one end of the low-pressure horizontal pipe (531) located in the fourth chamber (14). The bottom end of the low-pressure vertical pipe (532) is close to the bottom of the housing (1).

6. The gas drainer for facilitating the monitoring of the water seal height according to claim 1, characterized in that: An input pipe (23) is penetratively arranged at the top of the housing (1). The bottom end of the input pipe (23) is communicated with the first chamber (11). The bottom end of the input pipe (23) is close to the bottom of the housing (1), and the top end of the input pipe (23) is located above the housing (1). A tee joint (2) is commonly communicated with the input pipe (23), the gas pipe (21) and the nitrogen pipe (22). A gas valve (211) is arranged between the first inlet of the tee joint (2) and the gas pipe (21). A nitrogen valve (221) is arranged between the second inlet of the tee joint (2) and the nitrogen pipe (22). An input valve (231) is arranged between the outlet of the tee joint (2) and the input pipe (23).

7. A gas drainer for facilitating the monitoring of the water seal height according to claim 1, characterized in that: Drain pipes (6) are communicated with the sides of the first chamber (11), the second chamber (12), the third chamber (13) and the fourth chamber (14). Drain valves (61) are arranged on the drain pipes (6). Water supply pipes (7) are communicated with the tops of the first chamber (11) and the fourth chamber (14). Water supply valves (71) are arranged on the water supply pipes (7).

8. A gas drainer facilitating the monitoring of the water seal height according to claim 1, characterized in that: A gas alarm (9) is arranged on the housing (1).

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