Gas drainer inner leakage monitoring device
By installing a monitoring device for controller and pressure transmitter in the gas drain, internal leakage faults can be judged in real time and alarmed, the gas leakage problem caused by corrosion is solved, maintenance costs and labor intensity for workers are reduced, and safety is improved.
Patent Information
- Application Number
- CN202420283958.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-06
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-02-06
AI Technical Summary
The internal leakage failure caused by corrosion of existing gas drains is difficult to detect in time, resulting in frequent gas leakage accidents, high maintenance costs and high labor intensity for workers.
Design a gas drain internal leakage monitoring device, including a controller, a wireless communication module and multiple pressure transmitters, by monitoring the internal pressure of each water storage chamber and gas main pipeline in real time, judge the internal leakage fault and alarm through wireless communication , reduce manual inspection and maintenance.
It realizes the timely detection of internal leakage faults of the gas drain, reduces maintenance costs and labor intensity for workers, improves safety, and avoids gas leakage accidents.
Smart Images
Figure CN222280078U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a gas drainer internal leakage monitoring device, which can quickly judge the internal leakage fault of the gas drainer and belongs to the technical field of detection. Background Art
[0002] During the transportation process, the gas in the gas pipeline will precipitate mechanical water and a small amount of impurities such as phenol, cyanide, naphthalene, oil mist and solid dust particles as the gas temperature drops. These condensed water and impurities will accumulate at the low points of the gas pipeline and affect the normal transportation of the gas. Therefore, a gas drainer is needed to discharge them.
[0003] The gas drainer is a key device to ensure the safe and stable operation of the gas network. It mainly includes a downcomer 2, a sealed water tank 4 and a drain pipe 7. The inner cavity of the sealed water tank 4 is divided into a plurality of water storage chambers arranged along its length by a partition 5. Any two adjacent water storage chambers are connected through an overflow pipe 6. The inlet of the overflow pipe 6 is connected to the overflow port at the top of the previous water storage chamber, and the outlet is located at the bottom of the next water storage chamber. The upper end of the downcomer 2 is connected to the main gas pipeline 1, and the lower end extends to the bottom of the first water storage chamber. The drain pipe 7 is connected to the bottom of the last water storage chamber. The gas drainer is set at the low point of the gas pipeline and along the way. Condensed water, impurities, etc. can be introduced into the sealed water tank 4 through the downcomer 2 and deposited in each water storage chamber. Then, the manual valve on the drain pipe 7 at the bottom of the sealed water tank 4 can be opened regularly to clean it.
[0004] As more and more steel companies choose to import raw materials by sea, these raw materials will be sprayed with seawater in large quantities during transportation to reduce losses, resulting in an increase in the content of corrosive substances such as chloride ions in the raw materials. In addition, some chemical agents containing corrosive substances will be added to the converter during the smelting process. These corrosive substances will enter the gas pipeline and gas drainer with the gas, causing varying degrees of corrosion to the gas pipeline and gas drainer. If the downcomer, overflow pipe or baffle and its weld parts inside the gas drainer are corroded and perforated or corroded over a large area, resulting in gas leakage, it will cause insufficient sealing capacity of the drainer, leading to gas leakage accidents. There are many drainers in the gas pipeline network of steel enterprises. If they are replaced regularly, it will cause a lot of waste. If holes are cut in the outer wall of the drainer to check the internal situation regularly, it will consume a lot of manpower and material resources and take a long time, thereby increasing the maintenance cost of the gas drainer. In recent years, accidents of large-scale gas leakage due to gas drainer failures have occurred from time to time, resulting in many deaths from gas poisoning. Therefore, how to timely detect and eliminate internal leakage failures of gas drainers has become a top priority for all industrial enterprises. Utility Model Content
[0005] The utility model aims to provide a gas drainer internal leakage monitoring device to solve the drawbacks of the prior art, so as to timely discover and eliminate the internal leakage fault of the gas drainer, eliminate the potential accident hazards, and reduce the maintenance cost of the gas drainer.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A gas drainer internal leakage monitoring device includes a controller, a wireless communication module and multiple pressure transmitters. The multiple pressure transmitters are respectively installed on the downcomer of the gas drainer and the upper part of each water storage chamber of the sealed water tank. The signal output end of each pressure transmitter is connected to the input port of the controller. The wireless communication module is connected to the serial port of the controller and sends alarm information to the user through the wireless communication network.
[0008] In the above-mentioned gas drainer internal leakage monitoring device, the wireless communication module is a GPRS module or a Wi-Fi module.
[0009] In the above-mentioned gas drainer internal leakage monitoring device, the pressure transmitter is a capacitive pressure transmitter.
[0010] The above-mentioned gas drainer internal leakage monitoring device, the controller is a microprocessor or a single-chip microcomputer.
[0011] The utility model determines whether there is an internal leakage fault in the gas drainer according to the internal pressure of each water storage chamber in the gas main pipeline and the sealed water tank monitored in real time, and reminds the user to eliminate the fault in time when the fault is found, thereby eliminating the potential accident hazards. It can not only ensure the normal transportation of gas, but also eliminate the need for regular replacement and cutting holes to check the gas drainer, which greatly reduces the maintenance cost of the gas drainer and alleviates the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0013] Figure 1 It is a structural schematic diagram of the utility model.
[0014] The numbers in the figure are as follows: 1. gas main pipeline, 2. downcomer, 3. valve, 4. sealed water tank, 5. partition, 6. overflow pipe, 7. sewage pipe, 8. controller, 9. wireless communication module, P0, main pipeline pressure transmitter, P1, first water storage chamber pressure transmitter, P2, second water storage chamber pressure transmitter, P3, third water storage chamber pressure transmitter, P4, fourth water storage chamber pressure transmitter. DETAILED DESCRIPTION
[0015] In order to prevent internal corrosion of the gas drainer causing gas leakage after the gas drainer's sealing pressure capacity decreases, the utility model provides a gas drainer internal leakage monitoring device, which can accurately determine whether the gas drainer has an internal leakage fault and the fault location, effectively solving the problems existing in the prior art.
[0016] See also Figure 1 The utility model mainly includes a controller 8, a wireless communication module 9 and a plurality of pressure transmitters. The plurality of pressure transmitters are respectively installed on the upper part of the downcomer 2 of the gas drainer and each water storage chamber of the sealed water tank 4, and are used to monitor the internal pressure of the gas main pipeline and each water storage chamber. The signal output ends of the plurality of pressure transmitters are respectively connected to different input ports of the controller 8, and the wireless communication module 9 is connected to the serial port of the controller 8 via a communication cable. Figure 1 In the embodiment, there are four water storage chambers in the sealed water tank 4, each of which is equipped with a pressure transmitter. Four pressure transmitters need to be installed on the sealed water tank 4, namely the first water storage chamber pressure transmitter P1, the second water storage chamber pressure transmitter P2, the third water storage chamber pressure transmitter P3 and the fourth water storage chamber pressure transmitter P4, which respectively measure the internal pressures of the first water storage chamber, the second water storage chamber, the third water storage chamber and the fourth water storage chamber. The main pipeline pressure transmitter P0 is installed on the downcomer 2 to measure the main gas pipeline pressure. There are five pressure transmitters in the entire gas drainer.
[0017] The controller 8 is a microprocessor or a single chip computer. It collects the output signals of each pressure transmitter in real time and determines whether there is an internal leakage fault in the sealed water tank through the pressure difference between the gas main pipeline and the first water storage chamber and the pressure difference between adjacent water storage chambers. Assume that the height difference between the overflow port of the water storage chamber and the lower end of the downcomer 2 and the overflow pipe 6 is h (such as Figure 1 As shown), when there is no internal leakage fault in the gas drainer, the pressure difference between the gas main pipeline and the first water storage chamber is γh, γ represents the specific gravity of water, and the pressure difference between adjacent water storage chambers is also γh. When the pressure difference between the gas main pipeline and the first water storage chamber is less than γh, it means that there is a leak in the downcomer in the first water storage chamber. When the pressure difference between the first water storage chamber and the second water storage chamber is less than γh, it means that there is a leak in the overflow pipe in the second water storage chamber. When the pressure difference between the second water storage chamber and the third water storage chamber is less than γh, it means that there is a leak in the overflow pipe in the third water storage chamber, ... Once an internal leakage fault is found, the controller 8 pushes an alarm message to the user through the wireless communication module 9, reminding the user to eliminate the fault in time, eliminate the potential accident, and ensure the normal delivery of gas.
[0018] The wireless communication module 9 is a GPRS module or a Wi-Fi module. The pressure transmitter is a capacitive pressure transmitter.
[0019] The advantages and positive effects of the utility model are: it can timely detect the internal leakage fault of the gas drainer and accurately determine the fault location, remind the user to deal with it in time, and avoid the occurrence of gas drainer pressure channeling causing a large amount of gas leakage. The device improves the safety factor of the drainer operation, and does not require regular replacement of the gas drainer, greatly reducing the maintenance cost of the gas drainer. At the same time, it is also unnecessary to regularly cut holes in the outer wall of the drainer to check the internal situation, reducing the labor intensity of workers.
Claims
1. A gas drainer internal leakage monitoring device, characterized in that: The invention comprises a controller (8), a wireless communication module (9) and a plurality of pressure transmitters, wherein the plurality of pressure transmitters are respectively installed on the upper part of each water storage chamber of the downcomer (2) and the sealed water tank (4), the signal output end of each pressure transmitter is connected to the input port of the controller (8), and the wireless communication module (9) is connected to the serial port of the controller (8) and sends alarm information to the user through the wireless communication network.
2. A gas drainer internal leakage monitoring device according to claim 1, characterized in that: The wireless communication module (9) is a GPRS module or a Wi-Fi module.
3. A gas drainer internal leakage monitoring device according to claim 1 or 2, characterized in that: The pressure transmitter is a capacitive pressure transmitter.
4. A gas drainer internal leakage monitoring device according to claim 3, characterized in that: The controller (8) is a microprocessor or a single chip microcomputer.