Liquid collecting device added to gasification emptying pipeline
By designing a gasification venting pipeline and adding a liquid collection device, the problems of high labor intensity and safety hazards in the gasification unit were solved, achieving efficient recovery of liquid components and environmental protection, reducing safety risks and bringing economic benefits.
Patent Information
- Application Number
- CN202520169127.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-24
AI Technical Summary
In the existing technology, the emission system of the gasification unit's vent pipeline has problems such as high labor intensity for personnel, risk of leakage and poisoning during operation, and inability to completely drain condensate in a timely manner when the pipeline is narrow.
Design a liquid collection device for a gasification venting pipeline, including a liquid collection tank, a condensate pump, a safety valve, a check valve, and other components. Through gas-liquid separation and low-pressure nitrogen replacement, the liquid phase can be recycled, reducing safety hazards and environmental pollution.
It achieves good environmental protection, high safety, convenient maintenance, and certain economic benefits, meets environmental protection regulations, and reduces the spraying and diffusion of liquid components.
Smart Images
Figure CN223677582U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present scheme belongs to the field of gasification venting pipelines, and particularly relates to a gasification venting pipeline increased liquid collecting device. BACKGROUND
[0002] In many chemical, petroleum and natural gas production processes, gasification venting pipelines are used for discharging excess gas or venting operation in emergency. These gases may contain water vapor, liquid hydrocarbons and other liquid components. If these liquid components are not treated and directly discharged into the atmosphere, it does not meet the environmental protection requirements, and not only will cause environmental pollution, but also may cause safety hazards to surrounding equipment and personnel. At present, most production devices discharge to the flare. In addition, with the increasingly stringent environmental protection regulations, the requirements for waste gas discharge are also getting higher and higher. Therefore, it is particularly important to develop a technology capable of effectively collecting and treating liquid components in the gasification venting pipeline. In the prior art, a condensate discharge pipeline is arranged at the low point of the venting pipeline pipe gallery, which has large personnel working strength, and there is a risk of leakage and poisoning in the operation process, and the pipeline cannot be completely condensed in time when a large amount of water is carried. CONTENT OF THE UTILITY MODEL
[0003] The purpose of the present scheme is to provide a gasification venting pipeline increased liquid collecting device to solve the problems that the condensate discharge pipeline is arranged at the low point of the venting pipeline pipe gallery, the personnel working strength is large, there is a risk of leakage and poisoning in the operation process, and the pipeline cannot be completely condensed in time when a large amount of water is carried.
[0004] In order to achieve the above purpose, the utility model provides a gasification venting pipeline increased liquid collecting device, which comprises a liquid collecting tank and a safety valve, a condensate pump is arranged on the liquid collecting tank, a blind plate is arranged on the safety valve, a one-way valve is arranged on the liquid collecting tank, a venting gas pipeline is arranged on the one-way valve, a mechanical pump backflow valve is arranged on the liquid collecting tank, a heat tracing pipeline is arranged on the liquid collecting tank, a heat tracing backwater goes to the pipe network, the liquid collecting tank is connected with a low-pressure nitrogen gas from the nearest main pipe through a valve body, a heat tracing water supply from the pipe network is arranged on the liquid collecting tank, and the liquid collecting tank is connected with a flare condensate goes to the residue water treatment gray water tank through a valve body.
[0005] The principle of the scheme is that when in use, the gas-liquid mixture in the venting pipeline enters the liquid collecting tank for gas-liquid separation; the gas phase enters the venting pipeline through the top valve, and the liquid phase is transported into the system for reuse through the condensate pump; low-pressure nitrogen is used as replacement nitrogen during device maintenance; heat tracing water is used for anti-freezing in winter; desalted water is used for flushing water of the condensate pump seal; through the liquid collecting device, liquid components in the exhaust gas can be effectively collected, air pollution is reduced, the requirements of environmental protection regulations are met, the device has good environmental protection effect; the spraying and diffusion of liquid components in the discharge process are reduced, the safety hazard is reduced, and the device has high safety; the liquid collecting device has simple structure and is convenient to maintain, does not need complex operation and additional energy input, and the device is convenient to maintain; the collected condensate can be recycled, resource waste is reduced, and certain economic benefits are brought.
[0006] The technical effect of the scheme is that through design of the pressure gauge, the safety valve, the blind plate, the gate valve, the check valve and the liquid level meter, when in use, the gas-liquid mixture in the venting pipeline enters the liquid collecting tank for gas-liquid separation; the gas phase enters the venting pipeline through the top valve, and the liquid phase is transported into the system for reuse through the condensate pump; low-pressure nitrogen is used as replacement nitrogen during device maintenance; heat tracing water is used for anti-freezing in winter; desalted water is used for flushing water of the condensate pump seal; the device has the characteristics of good environmental protection effect, high safety, convenient maintenance and certain economic benefits.
[0007] Further, the condensate pump is provided with a pressure gauge, and through design of the pressure gauge, the pressure gauge can detect the test.
[0008] Further, the liquid collecting tank is provided with a safety valve, and through design of the safety valve, the device can be pressure relieved.
[0009] Further, the liquid collecting tank is provided with a gate valve, and through design of the gate valve, the gas phase can be sent into the venting gas pipeline.
[0010] Further, the liquid collecting tank is connected with a liquid level meter through a valve body, and through design of the liquid level meter, the liquid level of the device can be observed.
[0011] Further, the liquid collecting tank is connected with a remote liquid level meter through a valve body, and through design of the remote liquid level meter, the liquid level of the device can be remotely observed.
[0012] Further, the liquid collecting tank is provided with a thermometer, and through design of the thermometer, the temperature of the device can be detected. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a structural schematic view of an embodiment of the utility model.
[0014] The following will be further described in detail through specific embodiments:
[0015] The reference numerals in the accompanying drawings of the instruction manual include: 1. Collection tank; 2. Condensate pump; 3. Pressure gauge; 4. Safety valve; 5. Blind flange; 6. Gate valve; 7. Check valve; 8. Level gauge; 9. Remote level gauge; 10. Pump return valve; 11. Thermometer; 12. Heat tracing pipeline; 13. Air vent pipeline; 14. Heat tracing return water to the pipeline network; 15. Low-pressure nitrogen from the nearest main pipe; 16. Heat tracing water from the pipeline network; 17. Flare condensate slag removal water treatment ash water tank. Detailed Implementation
[0016] The basic implementation examples are as follows: Figure 1 As shown, this embodiment provides a liquid collection device for a vaporization venting pipeline, including a liquid collection tank 1 and a safety valve 4. A condensate pump 2 is installed on the liquid collection tank 1, and a pressure gauge 3 is installed on the condensate pump 2. The pressure gauge 3 can be used for testing. The safety valve 4 is installed on the liquid collection tank 1, and the device can be depressurized by the safety valve 4.
[0017] The basic implementation examples are as follows: Figure 1 As shown, a blind plate 5 is installed on the safety valve 4, and a gate valve 6 is installed on the liquid collection tank 1. By designing the gate valve 6, the gas phase can be sent to the vent line 13. A one-way valve 7 is installed on the liquid collection tank 1, and the vent line 13 is installed on the one-way valve 7. The liquid collection tank 1 is connected to a level gauge 8 through the valve body. By designing the level gauge 8, the liquid level of the device can be observed. The liquid collection tank 1 is connected to a remote level gauge 9 through the valve body. By designing the remote level gauge 9, the liquid level of the device can be observed remotely.
[0018] The basic implementation examples are as follows: Figure 1 As shown, the liquid collection tank 1 is equipped with an organic pump reflux valve 10, a thermometer 11, and the temperature of the device can be detected by the thermometer 11. The liquid collection tank is equipped with a heat tracing pipeline 12, a heat tracing return water network 14, a low-pressure nitrogen gas supply line 15 connected to the nearest main pipe 15 via a valve body, a heat tracing water supply network 16 connected to the liquid collection tank 1, and a flare condensate slag removal water treatment ash water tank 17 connected to the liquid collection tank 1 via a valve body.
[0019] The utility model discloses a specific implementation process as follows: when using, the gas-liquid mixture of venting pipeline enters the liquid collecting tank 1 and carries out gas-liquid separation, the gas phase enters the venting pipeline through the top valve, and the liquid phase is transported into the system reuse through the condensate pump 2, low-pressure nitrogen is used as the replacement nitrogen during the device overhaul, the heat tracing water is used for winter antifreezing, and the desalted water is used for the condensate pump 2 machine seal flushing water, through the liquid collecting device, the liquid component in waste gas can be effectively collected, the pollution to the atmosphere is reduced, the requirement of environmental protection regulations is met, the device environmental protection effect is good, the liquid component in the discharge process is reduced to spray and spread, the security risk is reduced, the device safety is high, the liquid collecting device structure is simple, and the maintenance is convenient, does not need the complex operation and additional energy input, the device maintenance is convenient, the collected condensate can be recycled, resource waste is reduced, and certain economic benefits are brought.
[0020] The utility model discloses a specific implementation process as follows: when using, the gas-liquid mixture of venting pipeline enters the liquid collecting tank 1 and carries out gas-liquid separation, the gas phase enters the venting pipeline through the top valve, and the liquid phase is transported into the system reuse through the condensate pump 2, low-pressure nitrogen is used as the replacement nitrogen during the device overhaul, the heat tracing water is used for winter antifreezing, and the desalted water is used for the condensate pump 2 machine seal flushing water, through the liquid collecting device, the liquid component in waste gas can be effectively collected, the pollution to the atmosphere is reduced, the requirement of environmental protection regulations is met, the device environmental protection effect is good, the liquid component in the discharge process is reduced to spray and spread, the security risk is reduced, the device safety is high, the liquid collecting device structure is simple, and the maintenance is convenient, does not need the complex operation and additional energy input, the device maintenance is convenient, the collected condensate can be recycled, resource waste is reduced, and certain economic benefits are brought.
[0021] The above-mentioned is only the embodiment of the utility model, and the well-known specific structure and characteristics in the scheme are not described too much here. It should be pointed out that for the person skilled in the art, without departing from the structure of the utility model, a number of deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, and these will not affect the effect and practicality of the utility model. The protection scope of the present application should be accurate according to the content of its claims, and the specific implementation mode in the specification can be used to explain the content of the claims.
Claims
1. A vaporization vent line liquid collection augmentation device comprising a liquid collection tank and a relief valve, characterized by: The liquid collecting tank is provided with a condensate pump, the safety valve is provided with a blind plate, the liquid collecting tank is provided with a check valve, the check valve is provided with a venting air pipeline, the liquid collecting tank is provided with a mechanical pump backflow valve, the liquid collecting tank is provided with a heat tracing pipeline, the liquid collecting tank is provided with a heat tracing return water pipe network, the liquid collecting tank is connected with a low-pressure nitrogen gas self-closest main pipe through a valve body, the liquid collecting tank is provided with a heat tracing water supply self-pipe network, and the liquid collecting tank is connected with a flare condensate slag water treatment grey water tank through a valve body.
2. The gasification vent line liquid trap of claim 1, wherein: The condensate pump is provided with a pressure gauge.
3. The gas lift pipeline liquid collection augmentation device of claim 1, wherein: The liquid collecting tank is provided with a safety valve.
4. The gasification vent line liquid trap of claim 1, wherein: The liquid collecting tank is provided with a gate valve.
5. The gasification vent line liquid trap of claim 1, wherein: The liquid collecting tank is connected with a liquid level meter through a valve body.
6. The gasification vent line liquid trap of claim 1, wherein: The liquid collecting tank is connected with a remote liquid level meter through a valve body.
7. The gasification vent line liquid trap of claim 1, wherein: The liquid collecting tank is provided with a thermometer.