Gas drainer utilizing steam to prevent freezing
By introducing a steam purge mechanism into the gas drainer to steam flush and heat exchange the overflow pipe, the problem of overflow pipe freezing is solved, the overflow port is anti-freezing and smooth drainage is achieved, and the operating stability of the equipment is improved.
Patent Information
- Application Number
- CN202423096021.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Under low temperature conditions in winter, the overflow pipe of the gas drainer is prone to freezing, resulting in poor drainage and affecting the normal operation of the gas transmission pipeline.
By setting a steam purge mechanism at the overflow pipe, steam is used to continuously flush and heat the overflow port, heating the condensed water to prevent freezing. Combined with the design of the main line and purge pipe, smooth drainage of the overflow port is ensured.
It effectively prevents the overflow pipe from freezing, ensures smooth drainage, reduces maintenance workload, and improves the operational reliability of the gas drainer.
Smart Images
Figure CN223411878U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gas drainers, in particular to a gas drainer which utilizes steam for antifreeze. Background Art
[0002] Gas drainers are essential for gas pipelines. Gas contains saturated water vapor. As it travels long distances through the pipeline, its temperature drops due to the ambient temperature, causing condensed water to form. This condensed water then collects at the bell-shaped opening at the bottom of the gas pipeline and is discharged through the downpipe into the overflow pipe of the gas drainer. However, in winter, especially when temperatures drop below zero, this condensed water can freeze as it exits the overflow pipe, blocking it and rendering the gas drainer ineffective. Therefore, this issue urgently needs to be addressed. Summary of the Invention
[0003] The technical problem to be solved by the utility model is to provide a gas drainer that uses steam for anti-freezing. Through the coordinated use of the main line and the purge pipe, the overflow port of the overflow pipe can be continuously steam-flushed, thereby ensuring that the overflow port drainage will not freeze, saving time and effort, and ensuring smooth drainage of the overflow pipe.
[0004] To solve the above technical problems, the present invention adopts the following technical solution: The present invention is a gas drainer that uses steam for antifreeze, and its innovative features are: it includes a gas transmission pipeline, a downpipe, a gas drainer body, an overflow pipe, a steam purge mechanism, and a drain pipe; a downpipe is vertically connected at the bottom bell mouth of the gas transmission pipeline, and the lower end of the downpipe is sealedly connected to the inlet of the gas drainer body; a drain pipe is vertically provided on the right side of the gas drainer body, and the drain pipe is fixedly connected to the gas drainer body via a fixing frame; an L-shaped overflow pipe is installed on the right side of the gas drainer body, directly above the drain pipe, one end of the horizontal side of the overflow pipe is sealedly connected to the interior of the gas drainer body, and the vertical side of the overflow pipe is vertically downwardly arranged coaxially with the drain pipe, and a steam purge mechanism is provided between the two, so that the steam purge mechanism can steam-flush condensate that flows into the drain pipe through the overflow pipe.
[0005] Preferably, an upper gate valve is provided between the upper end of the downcomer and the bottom bell mouth of the gas delivery pipeline for sealing communication, and the upper gate valve is used to control the flow of condensed water into the downcomer.
[0006] Preferably, a lower gate valve is provided between the lower end of the downcomer and the inlet of the gas drainer body in a sealed communication, and the lower gate valve is used to control the flow of condensed water into the gas drainer body.
[0007] Preferably, it also includes a guide cover; a funnel-shaped guide cover is also horizontally and coaxially provided on the upper end surface of the drain pipe, the lower end of the guide cover is a small-diameter end that matches the drain pipe, and is integrally formed with the drain pipe; the upper end of the guide cover is a large-diameter end, and its inner diameter is larger than the outer diameter of the vertical side of the overflow pipe, and ensures that the two are coaxially arranged.
[0008] Preferably, one end face of the vertical side of the overflow pipe is an inclined surface, and it is tilted downward toward the side of the gas drainer body to form an overflow port; the lower end of the overflow port of the overflow pipe is located inside the guide cover, and the upper end of the overflow port is located directly above the guide cover, forming an observation area for convenient observation of the drainage situation, and then the condensed water in the overflow pipe is collected and discharged to the drain pipe through the guide cover.
[0009] Preferably, the steam purge mechanism includes a steam main pipe, a main valve, a control valve and a heat exchange pipe; a heat exchange pipe is also fixedly provided on the outer circumferential surface of the vertical section of the overflow pipe in a spiral coaxial sleeve, and the heat exchange pipe has no effect on the movement of condensed water flowing to the guide cover through the overflow port; the upper end of the heat exchange pipe is connected to the steam source through the steam main pipe, and a control valve and a main valve are also provided on the steam main pipe at intervals; the main valve is arranged on the side close to the steam source, and the on and off of the steam main pipe is controlled by the main valve, and the steam flow is controlled by the control valve, and then the vertical section of the overflow pipe is heated by heat exchange through the heat exchange pipe.
[0010] Preferably, it also includes a branch pipe and a steam trap; a branch pipe is provided on the steam main pipe in a sealed communication with the main valve and the control valve, and a steam trap is provided on the branch pipe in a sealed communication, and the steam main pipe is drained through the steam trap.
[0011] Preferably, it also includes a bracket, a main line and a purge pipe; a circular main line is coaxially sleeved and fixed on the outer circumferential surface of the guide cover relative to the lower end of the overflow port, and a number of purge pipes are evenly spaced along the circumferential direction on the inner circumferential surface relative to the lower end of the overflow port, each of the purge pipes is inclined upward toward the overflow port, and its lower end extends vertically out of the outer circumferential surface of the guide cover, and is sealed and connected to the main line respectively; the lower end of the heat exchange tube extends downward through the outside of the guide cover, and is sealed and connected to the main line, and is fixedly connected to the corresponding position of the outer circumferential surface of the guide cover through the bracket, so that the steam after the preliminary heat exchange is continuously flushed to the overflow port through the purge pipe to avoid drainage freezing at the overflow port.
[0012] Preferably, the location of each purge pipe should ensure that it does not affect the movement of condensed water flowing through the guide cover to the drain pipe.
[0013] Beneficial effects of the utility model:
[0014] (1) The utility model facilitates continuous steam flushing of the overflow port of the overflow pipe by using the main pipe and the purge pipe in conjunction with each other, thereby ensuring that the overflow port drainage will not freeze, saving time and effort, and ensuring smooth drainage of the overflow pipe;
[0015] (2) The utility model provides a heat exchange tube to facilitate heat exchange heating inside the overflow pipe, thereby increasing the temperature of the condensed water in the overflow pipe to a certain extent, and further ensuring that the overflow outlet water will not freeze. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0017] Figure 1 The utility model is a structural schematic diagram of a gas drainer that uses steam for antifreeze.
[0018] Figure 2 for Figure 1 An enlarged schematic diagram of the middle guide cover part.
[0019] Among them, 1-gas transmission pipeline; 2-upper gate valve; 3-down pipe; 4-lower gate valve; 5-gas drainer body; 6-drain hole; 7-overflow pipe; 8-guide cover; 9-drain pipe; 10-fixed bracket; 11-steam main pipe; 12-main valve; 13-steam trap; 14-control valve; 15-heat exchange pipe; 16-main line; 17-purge pipe; 18-bracket. DETAILED DESCRIPTION
[0020] The technical solution of the present invention will be clearly and completely described below through specific implementation methods.
[0021] The utility model is a gas drainer that uses steam for antifreeze, comprising a gas delivery pipeline 1, a downpipe 3, a gas drainer body 5, an overflow pipe 7, a steam purge mechanism and a drain pipe 9; the specific structure is as follows Figure 1 、 Figure 2As shown, a downpipe 3 is vertically connected to the bottom bell mouth of the gas transmission pipeline 1, and the lower end of the downpipe 3 is sealed and connected to the inlet of the gas drainer body 5; an upper gate valve 2 is sealed and connected between the upper end of the downpipe 3 and the bottom bell mouth of the gas transmission pipeline 1, and the upper gate valve 2 is used to control the flow of condensed water into the downpipe 3; a lower gate valve 4 is sealed and connected between the lower end of the downpipe 3 and the inlet of the gas drainer body 5, and the lower gate valve 4 is used to control the flow of condensed water into the gas drainer body 5.
[0022] The utility model also vertically provides a drain pipe 9 on the right side of the gas drain body 5, and the drain pipe 9 is fixedly connected to the gas drain body 5 through a fixing frame 10; Figure 1 、 Figure 2 As shown, an L-shaped overflow pipe 7 is installed on the right side of the gas drainer body 5, directly above the drain pipe 9. One end of the horizontal side of the overflow pipe 7 is sealed and connected to the interior of the gas drainer body 5, and its vertical side is vertically downward and coaxially arranged with the drain pipe 9, with a vertical spacing therebetween. A steam purge mechanism is also provided between the two, and the steam purge mechanism is used to steam-flush the condensed water flowing into the drain pipe 9 through the overflow pipe 7.
[0023] like Figure 1 、 Figure 2 As shown, a funnel-shaped guide cover 8 is horizontally and coaxially provided on the upper end surface of the drain pipe 9. The lower end of the guide cover 8 is a small-diameter end that matches the drain pipe 9 and is integrally formed with the drain pipe 9; the upper end of the guide cover 8 is a large-diameter end, and its inner diameter is larger than the outer diameter of the vertical side of the overflow pipe 7, and ensures that the two are coaxially arranged.
[0024] like Figure 1 、 Figure 2 As shown, one end face of the vertical side of the overflow pipe 7 is an inclined surface, and it is tilted downward toward the side of the gas drainer body 5 to form an overflow port; the lower end of the overflow port of the overflow pipe 7 is located inside the guide cover 8, and the upper end of the overflow port is located just above the guide cover 8, forming an observation area for convenient observation of the drainage situation, and then the condensed water in the overflow pipe 7 is collected and discharged to the drain pipe 9 through the guide cover 8.
[0025] The steam purge mechanism of the present invention includes a steam main pipe 11, a main valve 12, a control valve 14, a heat exchange pipe 15, a branch pipe, a steam trap 13, a bracket 18, a main pipe 16 and a purge pipe 17; Figure 1 、 Figure 2As shown, a heat exchange tube 15 is fixedly provided on the outer circumference of the vertical section of the overflow pipe 7 in a spiral coaxial sleeve, and the heat exchange tube 15 has no effect on the flow of condensed water through the overflow port to the guide cover 8; the upper end of the heat exchange tube 15 is connected to the steam source through the steam main pipe 11, and a control valve 14 and a main valve 12 are sequentially provided on the steam main pipe 11; the main valve 12 is arranged on the side close to the steam source, and the main valve 12 controls the on-off of the steam main pipe 11, and the steam flow is controlled by the control valve 14, and the steam is heated by heat exchange through the heat exchange tube 15.
[0026] like Figure 1 、 Figure 2 As shown, a branch pipe is provided on the steam main pipe 11 in a sealed communication with the main valve 12 and the control valve 14 , and a steam trap 13 is provided on the branch pipe in a sealed communication, and the steam main pipe 11 is drained through the steam trap 13 .
[0027] like Figure 1 、 Figure 2 As shown, a circular main pipe 16 is coaxially sleeved and fixed on the outer circumferential surface of the guide cover 8 relative to the lower end of the overflow port, and a number of purge pipes 17 are evenly spaced along the circumferential direction on the inner circumferential surface relative to the lower end of the overflow port. Each purge pipe 17 is inclined upward toward the overflow port, and its lower end extends vertically out of the outer circumferential surface of the guide cover 8 and is sealed and connected to the main pipe 16 respectively; the lower end of the heat exchange tube 15 extends downward through the outside of the guide cover 8 and is sealed and connected to the main pipe 16, and is fixedly connected to the corresponding position of the outer circumferential surface of the guide cover 8 through the bracket 18, so that the steam after the preliminary heat exchange is continuously flushed to the overflow port through the purge pipe 17 to avoid drainage freezing at the overflow port; wherein, the setting position of each purge pipe 17 must ensure that it does not affect the movement of condensed water to collect in the drain pipe 9 through the guide cover.
[0028] The working principle of the present invention is as follows: in winter, when the temperature is low, especially below zero, the main valve 12 is opened and the steam flow is controlled by the control valve 14, so that the vertical section of the overflow pipe 7 can be heated by heat exchange through the steam through the heat exchange pipe 15, and the steam is continuously flushed to the overflow port through the purge pipe 17, thereby ensuring that the overflow drainage will not freeze.
[0029] Beneficial effects of the utility model:
[0030] (1) The utility model facilitates continuous steam flushing of the overflow port of the overflow pipe 7 by using the main pipe 16 and the purge pipe 17 in conjunction with each other, thereby ensuring that the overflow port drainage will not freeze, saving time and effort, and ensuring smooth drainage of the overflow pipe 7;
[0031] (2) The utility model provides a heat exchange tube 15 to facilitate heat exchange heating inside the overflow pipe 7, thereby increasing the temperature of the condensed water in the overflow pipe 7 to a certain extent, and further ensuring that the overflow outlet drainage will not freeze.
[0032] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements to the technical solutions of the present invention made by ordinary engineering technicians in this field should fall within the scope of protection of the present invention. The technical contents requested for protection of the present invention have been fully recorded in the technical requirements.
Claims
1. A gas drainer utilizing steam for antifreeze, characterized by: The gas drainer comprises a gas transmission pipeline, a downpipe, a gas drainer body, an overflow pipe, a steam purge mechanism and a drain pipe; a downpipe is vertically connected at the bottom bell mouth of the gas transmission pipeline, and the lower end of the downpipe is sealed and connected to the inlet of the gas drainer body; a drain pipe is vertically provided on the right side of the gas drainer body, and the drain pipe is fixedly connected to the gas drainer body via a fixing frame; an L-shaped overflow pipe is installed on the right side of the gas drainer body, directly above the drain pipe; one end of the horizontal side of the overflow pipe is sealed and connected to the interior of the gas drainer body, and the vertical side of the overflow pipe is vertically downward and spaced apart from the drain pipe on the same axis, and a steam purge mechanism is provided between the two, so that the condensed water flowing into the drain pipe through the overflow pipe is steam-flushed by the steam purge mechanism.
2. The gas drainer utilizing steam for antifreeze according to claim 1, characterized in that: An upper gate valve is provided between the upper end of the downcomer and the bottom bell mouth of the gas delivery pipeline in a sealed manner, and the upper gate valve is used to control the flow of condensed water into the downcomer.
3. The gas drainer utilizing steam for antifreeze according to claim 1, characterized in that: A lower gate valve is provided between the lower end of the downcomer and the inlet of the gas drainer body in sealed communication, and the lower gate valve is used to control the flow of condensed water into the gas drainer body.
4. The gas drainer utilizing steam for antifreeze according to claim 1, characterized in that: It also includes a guide cover; a funnel-shaped guide cover is horizontally and coaxially provided on the upper end surface of the drain pipe, the lower end of the guide cover is a small-diameter end that matches the drain pipe, and is integrally formed with the drain pipe; the upper end of the guide cover is a large-diameter end, and its inner diameter is larger than the outer diameter of the vertical side of the overflow pipe, and ensures that the two are coaxially arranged.
5. The gas drainer utilizing steam for antifreeze according to claim 4, characterized in that: One end face of the vertical side of the overflow pipe is an inclined surface, and is arranged to be tilted downward toward the side of the gas drainer body to form an overflow port; the lower end of the overflow port of the overflow pipe is located inside the guide cover, and the upper end of the overflow port is located directly above the guide cover, forming an observation area for convenient observation of the drainage situation, thereby collecting and discharging the condensed water in the overflow pipe to the drain pipe through the guide cover.
6. The gas drainer utilizing steam for antifreeze according to claim 5, characterized in that: The steam purge mechanism includes a steam main pipe, a main valve, a control valve and a heat exchange pipe; a heat exchange pipe is also fixedly arranged on the outer circumference of the vertical section of the overflow pipe in a spiral coaxial sleeve, and the heat exchange pipe has no effect on the movement of condensed water flowing to the guide cover through the overflow port; the upper end of the heat exchange pipe is connected to the steam source through the steam main pipe, and a control valve and a main valve are sequentially arranged on the steam main pipe; the main valve is arranged on the side close to the steam source, and the on and off of the steam main pipe is controlled by the main valve, and the steam flow is controlled by the control valve, and then the vertical section of the overflow pipe is heated by heat exchange through the heat exchange pipe.
7. The gas drainer utilizing steam for antifreeze according to claim 6, characterized in that: It also includes a branch pipe and a steam trap; a branch pipe is sealed and connected between the main valve and the control valve on the steam main pipe, and a steam trap is sealed and connected on the branch pipe, and the steam main pipe is drained through the steam trap.
8. The gas drainer utilizing steam for antifreeze according to claim 6, characterized in that: It also includes a bracket, a main line and a purge pipe; a circular main line is coaxially sleeved and fixed on the outer circumferential surface of the guide cover relative to the lower end of the overflow port, and a number of purge pipes are evenly spaced along the circumferential direction of the inner circumferential surface relative to the lower end of the overflow port, each of the purge pipes is inclined upward toward the overflow port, and its lower end extends vertically out of the outer circumferential surface of the guide cover, and is sealed and connected to the main line respectively; the lower end of the heat exchange pipe extends downward through the outside of the guide cover, and is sealed and connected to the main line, and is fixedly connected to the corresponding position of the outer circumferential surface of the guide cover through the bracket, so that the steam after the initial heat exchange is continuously flushed to the overflow port through the purge pipe to avoid drainage freezing at the overflow port.
9. The gas drainer utilizing steam for antifreeze according to claim 8, characterized in that: The location of each purge pipe must ensure that it does not affect the movement of condensed water flowing through the guide cover to the drain pipe.