Gas cooling, dewatering and monitoring integrated equipment
By combining a shell-and-tube cooler and a steam-water separator, the problems of excessively high gas temperature and high water content in gas power plants are solved, achieving efficient cooling and dehydration of gas, improving power generation efficiency and reducing equipment maintenance costs.
Patent Information
- Application Number
- CN202520007189.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2035-01-02
AI Technical Summary
In existing gas power plants, the gas temperature is too high and the water content is too high, resulting in low power generation efficiency, high equipment maintenance costs and short service life.
A combination of shell-and-tube cooler and steam-water separator is used. Cooling is achieved through serpentine heat exchange tubes, and efficient dehydration of gas is achieved using a cyclone separator. Water level gauge is used to monitor water volume and estimate water content.
It achieves efficient cooling and dehydration of gas, improves power generation efficiency, reduces equipment maintenance costs, and extends equipment lifespan.
Smart Images
Figure CN223620351U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of gas utilization technology, specifically, it relates to an integrated device for gas cooling, dehydration and monitoring. Background Technology
[0002] In existing technologies, the temperature of the gas extracted and transported from the gas extraction pumping station to the inlet of the gas power generation workshop is 60-70℃. The working principle of the water ring vacuum pump causes a temperature rise during the gas extraction and transportation process. The gas generator set requires the gas temperature to be ≤40℃ when using gas as fuel. The actual gas inlet temperature significantly exceeds the generator set parameter requirements, directly affecting the overall power generation efficiency of the gas power plant.
[0003] Furthermore, the gas extracted and transported to the gas power plant has a high water content, and the existing gas-water separators are ineffective, causing water to enter the internal combustion engine cylinders along with the gas. Firstly, the presence of water causes unstable gas concentrations, resulting in fluctuating gas concentrations entering the engine. This leads to incomplete combustion or insufficient fuel, significantly reducing the power output per unit of gas in the gas generator set. Secondly, because the latent heat of vaporization of water requires a significant amount of heat, some of the heat generated by gas combustion is absorbed by the water, further reducing the power output per unit of gas in the gas generator set. In addition, the presence of water in the extracted gas exacerbates generator wear, increases equipment maintenance costs, reduces continuous operating time, and shortens equipment lifespan.
[0004] Therefore, those skilled in the art urgently need to develop an integrated device for gas cooling, dehydration, and monitoring to achieve efficient dehydration, cooling, and detection of gas at the inlet of gas generator sets, thereby increasing unit gas power generation, reducing equipment maintenance costs, extending equipment lifespan, and improving operational stability. Utility Model Content
[0005] To address the aforementioned technical problems, this utility model provides an integrated device for gas cooling, dehydration, and monitoring, which enables efficient dehydration, cooling, and detection of gas at the inlet of a gas generator set, thereby increasing unit gas power generation, reducing equipment maintenance costs, extending equipment lifespan, and improving operational stability.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] An integrated gas cooling, dehydration, and monitoring device includes a shell-and-tube cooler, a steam-water separator, and a water tank. A water level gauge with a scale is installed on the side wall of the water tank. A serpentine heat exchange tube is installed inside the shell of the shell-and-tube cooler. One end of the serpentine heat exchange tube has a cooling water inlet, and the other end has a cooling water outlet. A gas inlet is located at the upper left end of the shell, and a gas outlet is located at the lower right end. The gas inlet is equipped with a flow meter and a first thermometer, and the gas outlet is equipped with a second thermometer. The steam-water separator includes an inner cylinder. The inner cylinder is coaxially sleeved inside the outer cylinder. The top of the outer cylinder is sealed with a cylinder cover, and the bottom of the outer cylinder is provided with a drain port. The top side is provided with a gas interface along the tangential direction. The gas interface is connected to the gas outlet on the shell through a gas pipe. The drain port is provided with a drain valve, and the drain port is connected to the water inlet of the water tank through a drain pipe. The top of the inner cylinder is provided with a blind plate, the bottom is provided with an air inlet, and the upper side of the inner cylinder is provided with an air outlet extending to the outside of the side wall of the outer cylinder. The air outlet is connected to the gas supply pipe of the gas power plant.
[0008] Preferably, the outer surface of the inner cylinder is provided with a spiral guide plate, which helps to improve the steam-water separation efficiency.
[0009] Preferably, the cylinder cover is detachably connected to the top of the outer cylinder by bolts, and a sealing gasket is provided between the cylinder cover and the top of the outer cylinder. Removing the cylinder cover facilitates the inspection and maintenance of the components inside the outer cylinder.
[0010] Preferably, both the shell-and-tube cooler and the steam-water separator are provided with support legs at their bottoms.
[0011] Preferably, the water tank is provided with an overflow port at the top, which can be connected to a ditch through an overflow pipe, and a drain port at the bottom, which is equipped with a drain valve. Opening the drain valve facilitates the discharge of sewage from the water tank.
[0012] Preferably, the water level gauge is a magnetic float water level gauge, which is convenient for reading the water level and for measuring the water volume and moisture content of the gas in the water tank.
[0013] This utility model also includes other devices or components that enable the integrated gas cooling, dehydration, and monitoring equipment to function properly, all of which are conventional techniques in the field. Furthermore, any devices or components not specified in this utility model employ conventional techniques in the field.
[0014] The working principle of this utility model is as follows: During use, the cooling water inlet of the shell-and-tube cooler is connected to the cooling water supply, allowing the cooling water to indirectly exchange heat with the high-temperature gas entering the shell side of the cooler. By monitoring the flow rate and temperature (generally 60-70℃) of the gas at the gas inlet of the shell-and-tube cooler, the flow rate and pressure of the cooling water can be easily adjusted, thereby controlling the gas outlet temperature of the shell-and-tube cooler at 30-40℃. The cooled gas is then supplied to the outer cylinder of the gas separator tangentially through the gas pipe. This allows the small droplets of condensed gas to be separated by cyclone separation between the outer and inner cylinders, achieving dehydration. The dehydrated gas then enters the inner cylinder through the inlet at the bottom of the inner cylinder and is finally supplied to the gas power plant through the outlet at the upper side of the inner cylinder. The condensate separated in the cyclone separator is led into a water tank. The water level in the tank can be measured by the water level gauge. At the same time, by measuring the flow rate of gas introduced into the device and the amount of water collected in the tank within a certain period of time, the water content of the gas can be roughly estimated.
[0015] Compared with the prior art, this application has the following beneficial effects:
[0016] This invention has the advantages of simple structure, convenient operation and high safety. It can efficiently cool and dehydrate the high-temperature gas discharged from the water ring vacuum pump, and facilitates the rough measurement and detection of the water content in the gas. Attached Figure Description
[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention in the embodiment.
[0019] Figure 2 This is a partial cross-sectional view of the gas interface of the outer cylinder in the embodiment. Detailed Implementation
[0020] The present invention will now be clearly described with reference to the accompanying drawings and specific embodiments. This description is merely for explaining the present invention and is not intended to limit it. Any modifications, equivalent substitutions, improvements, etc., made by those skilled in the art based on the embodiments of the present invention without inventive effort to obtain all other embodiments should be included within the protection scope of the present invention.
[0021] Example
[0022] like Figures 1-2As shown, this utility model provides an integrated device for gas cooling, dehydration, and monitoring, including a shell-and-tube cooler 1, a steam-water separator, and a water tank 2. A water level gauge 3 with a scale is installed on the side wall of the water tank. A serpentine heat exchange tube 4 is installed inside the shell of the shell-and-tube cooler. One end of the serpentine heat exchange tube has a cooling water inlet 5, and the other end has a cooling water outlet 6. A gas inlet 7 is located at the upper left end of the shell, and a gas outlet 8 is located at the lower right end. A flow meter 9 and a first thermometer 10 are installed at the gas inlet, and a second thermometer 11 is installed at the gas outlet. The steam-water separator includes an inner cylinder 12. The inner cylinder is coaxially sleeved inside the outer cylinder and the outer cylinder 13. The top of the outer cylinder is sealed with a cylinder cover 14, and the bottom of the outer cylinder is provided with a drain port 15. The top side is provided with a gas interface 16 tangentially. The gas interface is connected to the gas outlet on the shell through a gas pipe 17. The drain port is provided with a drain valve 18, and the drain port is connected to the water inlet of the water tank through a drain pipe 26. The top of the inner cylinder is provided with a blind plate 19, the bottom is provided with an air inlet 20, and the upper side of the inner cylinder is provided with an air outlet 21 extending to the outside of the side wall of the outer cylinder. The air outlet is connected to the gas supply pipe (not shown in the figure) of the gas power plant.
[0023] In this embodiment, the outer surface of the inner cylinder is provided with a spiral guide plate 22, which helps to improve the steam-water separation efficiency. The cylinder cover is detachably connected to the top of the outer cylinder by bolts (not shown in the figure), and a sealing gasket (not shown in the figure) is provided between the cylinder cover and the top of the outer cylinder. Removing the cylinder cover facilitates the inspection and maintenance of the components inside the outer cylinder.
[0024] More specifically, both the shell-and-tube cooler and the steam-water separator are equipped with support legs at the bottom. The water tank has an overflow port 23 at the top, which can be connected to a drainage ditch (not shown in the figure) via an overflow pipe (not shown in the figure). A drain port 24 is located at the bottom, equipped with a drain valve 25. Opening the drain valve facilitates the drainage of the water tank. The water level gauge is a magnetic float level gauge, which is convenient for reading the water level and for measuring the water volume and moisture content of the gas in the tank.
[0025] The working principle of this utility model is as follows: During use, the cooling water inlet of the shell-and-tube cooler is connected to the cooling water supply, allowing the cooling water to indirectly exchange heat with the high-temperature gas entering the shell side of the cooler. By monitoring the flow rate and temperature (generally 60-70℃) of the gas at the gas inlet of the shell-and-tube cooler, the flow rate and pressure of the cooling water can be easily adjusted, thereby controlling the gas outlet temperature of the shell-and-tube cooler at 30-40℃. The cooled gas is then supplied to the outer cylinder of the gas separator tangentially through the gas pipe. This allows the small droplets of condensed gas to be separated by cyclone separation between the outer and inner cylinders, achieving dehydration. The dehydrated gas then enters the inner cylinder through the inlet at the bottom of the inner cylinder and is finally supplied to the gas power plant through the outlet at the upper side of the inner cylinder. The condensate separated in the cyclone separator is led into a water tank. The water level in the tank can be measured by the water level gauge. At the same time, by measuring the flow rate of gas introduced into the device and the amount of water collected in the tank within a certain period of time, the water content of the gas can be roughly estimated.
[0026] The embodiments of the present invention have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.
Claims
1. An integrated device for gas cooling, dehydration, and monitoring, comprising a shell-and-tube cooler, characterized in that: It also includes a steam-water separator and a water tank. The water tank has a water level gauge with a scale on its side wall. The shell-and-tube cooler has a serpentine heat exchange tube inside its shell. One end of the serpentine heat exchange tube has a cooling water inlet, and the other end has a cooling water outlet. The upper left end of the shell has a gas inlet, and the lower right end has a gas outlet. The gas inlet has a flow meter and a first thermometer, and the gas outlet has a second thermometer. The steam-water separator includes an inner cylinder and an outer cylinder. The inner cylinder is coaxially fitted inside the outer cylinder. The top of the outer cylinder is sealed with a cylinder cover, and the bottom of the outer cylinder has a drain outlet. The top side has a gas interface along the tangential direction. The gas interface is connected to the gas outlet on the shell through a gas pipe. The drain outlet has a drain valve and is connected to the water tank inlet through a drain pipe. The top of the inner cylinder has a blind plate, and the bottom has an air inlet. The upper side of the inner cylinder has an air outlet extending to the outside of the outer cylinder side wall. The air outlet is connected to the gas supply pipe of the gas power plant.
2. The integrated gas cooling, dehydration, and monitoring device according to claim 1, characterized in that: The outer surface of the inner cylinder is provided with a spiral guide plate.
3. The integrated gas cooling, dehydration, and monitoring device according to claim 1, characterized in that: The cap is detachably connected to the top of the outer cylinder by bolts, and a sealing gasket is provided between the cap and the top of the outer cylinder.
4. The integrated gas cooling, dehydration, and monitoring device according to claim 1, characterized in that: Both the shell-and-tube cooler and the steam-water separator are equipped with support legs at the bottom.
5. The integrated gas cooling, dehydration, and monitoring device according to claim 1, characterized in that: The water tank has an overflow port at the top and a drain port at the bottom, and the drain port is equipped with a drain valve.
6. A gas cooling, dehydration, and monitoring integrated device according to any one of claims 1 to 5, characterized in that: The water level gauge is a magnetic float water level gauge.