Method for preventing freezing of drain pipe of outdoor pressure air storage tank
By installing steam pipes and insulation boxes on drainage pipes, and using waste steam for heat tracing and fans to extract steam for de-icing, the problem of drainage pipes freezing during the freezing season has been solved, ensuring smooth drainage and safe production.
Patent Information
- Application Number
- CN202211358086.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-11-01
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2042-11-01
AI Technical Summary
The drainage pipes of outdoor compressed air storage tanks are prone to freezing during the freezing season, leading to poor drainage and affecting the user's safe production.
By installing steam pipes and insulated boxes on drainage pipes, the waste heat of steam is used for heat tracing, and steam is extracted by fans for ice melting to prevent freezing.
It effectively prevents drainage pipes from freezing, ensures smooth drainage, reduces user complaints, and guarantees safe production.
Smart Images

Figure CN115823405B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of drain pipe anti-freezing, in particular to an outdoor compressed air storage tank drain pipe anti-freezing treatment method. BACKGROUND
[0002] The compressed air storage tank is installed outdoors, and the drain pipe thereof is prone to water freezing due to weather influence in the freezing season, resulting in poor drainage, high compressed air moisture content, user complaints, and impact on user safety production. SUMMARY
[0003] In view of the deficiencies of the prior art, the present application provides an outdoor compressed air storage tank drain pipe anti-freezing treatment method, which solves the above problems.
[0004] To achieve the above purpose, the present application is realized by the following technical scheme: an outdoor compressed air storage tank drain pipe anti-freezing treatment method comprising the following steps:
[0005] Step one, steam in the drain trap of the anti-freezing equipment is delivered into the steam pipe, the steam is delivered into the heat preservation box, the steam drives the first spoiler to rotate, driving the second spoiler to rotate, at this time the steam leaks from the empty slot in the inner cavity of the steam pipe into the inner cavity of the heat preservation box, at this time the heat preservation box is heated, and the steam in the heat preservation box surrounds the surface of the drain pipe to warm up the drain pipe;
[0006] Step two, the second spoiler rotates to disturb the steam movement in the heat preservation box, so that the hot steam forms a cycle in the heat preservation box to warm up the surfaces of the drain pipe;
[0007] Step three, when the drain pipe is frozen, ice melting operation is performed.
[0008] As a further scheme of the present application: in step one, the exhaust pipe at the bottom of the heat preservation box is opened, and the cold air in the heat preservation box is discharged through the exhaust pipe by the hot steam in the steam pipe, so that the heat preservation box is quickly warmed up.
[0009] As a further scheme of the present application: the heat preservation box is wrapped around the surfaces of the steam pipe and the drain pipe, one end of the steam pipe and the drain pipe penetrates the left side of the heat preservation box and extends to the right side of the heat preservation box, and the steam pipe is arranged above the drain pipe.
[0010] As a further scheme of the present application: in step three, the fan is opened when ice melting is performed, the fan draws the steam in the heat preservation box through the air suction pipe, and then delivers the steam to the drain pipe through the air outlet pipe, so that the steam heats the inside of the drain pipe to melt the frozen ice and dredge.
[0011] As a further scheme of the present application: the gap between the steam pipeline and the drainage pipeline is clamped with a limiting frame, and the limiting frame fixes the steam pipeline and the drainage pipeline.
[0012] As a further scheme of the present application: the connection between the air outlet pipeline and the drainage pipeline is located at the connection between the drainage pipeline and the compressed air storage tank, and the air outlet pipeline faces the inner cavity of the drainage pipeline, and the inner cavity of the air outlet pipeline is provided with a one-way valve facing the drainage pipeline.
[0013] The anti-freezing device comprises a steam trap, a compressed air storage tank and a heat preservation box, the bottom of the steam trap is communicated with a steam pipeline, the bottom of the compressed air storage tank is communicated with a drainage pipeline, the heat preservation box is wrapped on the surface of the steam pipeline and the drainage pipeline, one end of the steam pipeline and the drainage pipeline penetrates through the left side of the heat preservation box and extends to the right side of the heat preservation box, the steam pipeline is arranged above the drainage pipeline, a connecting shaft is rotationally connected to the inner cavity of the steam pipeline, one end of the connecting shaft penetrates through the inner cavity of the steam pipeline and extends to above the steam pipeline, a first spoiler is fixedly connected to the surface of the connecting shaft in the inner cavity of the steam pipeline, a second spoiler is fixedly connected to the surface of the connecting shaft above the steam pipeline, the top end of the connecting shaft is rotationally connected to the inner cavity of the heat preservation box, the inner cavity of the steam pipeline is provided with an air slot communicated with the inner cavity of the heat preservation box, the gap between the steam pipeline and the drainage pipeline is clamped with a limiting frame, one side of the heat preservation box is fixedly connected with a fan, the suction port of the fan is communicated with a suction pipeline, one end of the suction pipeline is communicated with the inner cavity of the heat preservation box, the air outlet of the fan is communicated with an air outlet pipeline, one end of the air outlet pipeline is communicated with the inner cavity of the drainage pipeline, the connection between the air outlet pipeline and the drainage pipeline is located at the connection between the drainage pipeline and the compressed air storage tank, and the air outlet pipeline faces the inner cavity of the drainage pipeline, the inner cavity of the air outlet pipeline is provided with a one-way valve facing the drainage pipeline, and the bottom of the heat preservation box is communicated with an exhaust pipeline.
[0014] Compared with the prior art, the present application has the following advantages:
[0015] 1. In the present application, the compressed air pipeline and the steam pipeline in the factory area are arranged on the same pipeline rack, and the steam pipeline is provided with a steam trap along the pipeline, so that the waste heat of the steam trap is utilized to heat the drainage pipeline, the compressed air drainage pipeline is prevented from being frozen during low temperature freezing, the steam pipeline is extended, the steam pipeline is wrapped around the drainage pipeline of the compressed air storage tank, and the steam waste heat is utilized to heat the compressed air drainage pipeline, so that the compressed air drainage pipeline is prevented from being frozen.
[0016] 2、The present application, when melting ice, the fan is opened, the fan extracts the steam in the heat preservation box through the exhaust duct, and then the steam is transported to the drain pipe through the air outlet duct, the steam heats the inside of the drain pipe, the frozen ice inside is melted and dredged, and the ice melting operation can be quickly performed after freezing. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a structural schematic view of the present application;
[0018] Figure 2 It is a structural sectional view of the present application;
[0019] Figure 3 It is a local enlarged view of A in the present application Figure 1
[0020] Figure 4 It is a pipeline connection schematic view of the present application.
[0021] In the figure: 1, compressed air storage tank; 2, drain trap; 3, drain pipe; 4, steam pipe; 5, heat preservation box; 6, limiting frame; 7, connecting shaft; 8, second spoiler; 9, first spoiler; 10, air slot; 11, fan; 12, air outlet duct; 13, exhaust duct; 14, exhaust pipe. DETAILED DESCRIPTION
[0022] In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined invention purposes, the specific embodiments, structures, features and effects according to the present application are described in detail as follows in combination with the drawings and preferred embodiments.
[0023] Please refer to Figures 1-4 The present application provides a technical solution: an outdoor compressed air storage tank drain pipe anti-freezing treatment method, comprising the following steps:
[0024] Step one, the steam in the drain trap 2 in the anti-freezing equipment is transported to the steam pipe 4, the steam is transported to the heat preservation box 5, the steam drives the first spoiler 9 to rotate, and drives the second spoiler 8 to rotate, at this time the steam leaks from the air slot 10 in the cavity of the steam pipe 4 to the inner cavity of the heat preservation box 5, at this time the heat preservation box 5 is heated, and the steam in the heat preservation box 5 surrounds the surface of the drain pipe 3 to heat the drain pipe 3;
[0025] Step two, the second spoiler 8 rotates to disturb the steam movement in the heat preservation box 5, so that the hot steam forms a cycle in the heat preservation box 5 to heat the surfaces of the drain pipe 3 everywhere;
[0026] Step three, when the drain pipe 3 is frozen, the ice melting operation is carried out, through the process layout that the pressure air and the steam pipe are in the same pipe rack in the factory area, and the steam pipe 4 is provided with the drain trap 2 along the line, the waste heat of the steam drain is fully utilized to heat the drain pipe 3, prevent the pressure air drain pipe 3 from being frozen during low temperature freezing, and the steam pipe 4 is utilized for modification, the steam pipe 4 is extended, the drain pipe 3 of the pressure air storage tank 1 is closely attached, and the drain pipe 3 is wrapped with the heat preservation material, the steam waste heat is utilized to heat the pressure air drain pipe 3, which is beneficial to the smoothness of the pressure drain pipe 3 during freezing and prevents freezing.
[0027] In step one, the exhaust pipe 14 at the bottom of the heat preservation box 5 is opened, the cold air in the heat preservation box 5 is discharged through the exhaust pipe 14 by the hot steam in the steam pipe 4, so that the heat preservation box 5 is rapidly heated.
[0028] The heat preservation box 5 is wrapped on the surfaces of the steam pipe 4 and the drain pipe 3, one end of the steam pipe 4 and the drain pipe 3 penetrates the left side of the heat preservation box 5 and extends to the right side of the heat preservation box 5, and the steam pipe 4 is arranged above the drain pipe 3.
[0029] In step three, the fan 11 is opened when the ice is melted, the fan 11 draws the steam in the heat preservation box 5 out through the exhaust pipe 13, and then the steam is transported into the drain pipe 3 through the air outlet pipe 12, so that the steam heats the inside of the drain pipe 3 and melts the frozen ice inside to dredge.
[0030] The gap between the steam pipe 4 and the drain pipe 3 is clamped with the limiting frame 6, and the limiting frame 6 fixes the steam pipe 4 and the drain pipe 3.
[0031] The connection between the air outlet pipe 12 and the drain pipe 3 is located at the connection between the drain pipe 3 and the pressure air storage tank 1, and the air outlet pipe 12 faces the inner cavity of the drain pipe 3, and the inner cavity of the air outlet pipe 12 is provided with a one-way valve facing the drain pipe 3.
[0032] The anti-freezing device comprises a drain trap 2, a compressed air storage tank 1 and a heat preservation box 5, the bottom of the drain trap 2 is communicated with a steam pipeline 4, the bottom of the compressed air storage tank 1 is communicated with a drainage pipeline 3, the heat preservation box 5 is wrapped on the surface of the steam pipeline 4 and the drainage pipeline 3, one end of the steam pipeline 4 and the drainage pipeline 3 penetrates through the left side of the heat preservation box 5 and extends to the right side of the heat preservation box 5, the steam pipeline 4 is arranged above the drainage pipeline 3, a connecting shaft 7 is rotationally connected in the inner cavity of the steam pipeline 4, one end of the connecting shaft 7 penetrates through the inner cavity of the steam pipeline 4 and extends above the steam pipeline 4, a first spoiler 9 is fixedly connected to the surface of the connecting shaft 7 in the inner cavity of the steam pipeline 4, a second spoiler 8 is fixedly connected to the surface of the connecting shaft 7 above the steam pipeline 4, the top end of the connecting shaft 7 is rotationally connected with the inner cavity of the heat preservation box 5, the inner cavity of the steam pipeline 4 is provided with an air slot 10 communicated with the inner cavity of the heat preservation box 5, the gap between the steam pipeline 4 and the drainage pipeline 3 is clamped with a limiting frame 6, a fan 11 is fixedly connected to one side of the heat preservation box 5, an air suction pipeline 13 is communicated with the air suction port of the fan 11, one end of the air suction pipeline 13 is communicated with the inner cavity of the heat preservation box 5, an air outlet pipeline 12 is communicated with the air outlet port of the fan 11, one end of the air outlet pipeline 12 is communicated with the inner cavity of the drainage pipeline 3, the connecting position of the air outlet pipeline 12 and the drainage pipeline 3 is located at the connecting position of the drainage pipeline 3 and the compressed air storage tank 1, and the air outlet pipeline 12 faces the inner cavity of the drainage pipeline 3, a one-way valve is arranged in the inner cavity of the air outlet pipeline 12 and faces the drainage pipeline 3, an exhaust pipeline 14 is communicated with the bottom of the heat preservation box 5, the pipelines of the compressed air and the steam in the factory are arranged on the same pipeline frame, the steam pipeline 4 is provided with the drain trap 2 along the pipeline, the waste heat of the steam drain is utilized to heat the drainage pipeline 3, the compressed air drainage pipeline 3 is prevented from being frozen during the low-temperature freezing period, the steam pipeline 4 is extended and wrapped with the heat preservation material close to the drainage pipeline 3 of the compressed air storage tank 1, the steam waste heat is utilized to heat the compressed air drainage pipeline 3, which is beneficial to the smoothness of the compressed air drainage pipeline 3 during the freezing period and prevents the pipeline from being frozen.
[0033] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as the above preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, as long as the changes or modifications do not deviate from the technical solution of the present application. Any modification, change, equivalent change and modification of the above embodiments based on the technical essence of the present application are still within the scope of the technical solution of the present application.
Claims
1. A method for preventing freezing of a drain pipe of an outdoor pressure air tank, characterized by: It comprises the following steps: Step one, through the anti-freezing equipment in the steam delivery to the steam pipe (4) in the steam pipe (4) in the steam delivery to the heat preservation box (5), the steam pushes the first spoiler (9) to rotate, drives the second spoiler (8) to rotate, at this time the steam from the steam pipe (4) in the cavity of the air slot (10) leaks into the inner cavity of the heat preservation box (5), at this time the heat preservation box (5) is heated, the steam in the heat preservation box (5) surrounds the surface of the drain pipe (3), and the drain pipe (3) is heated; Step two, the second spoiler (8) rotates to disturb the steam movement in the heat preservation box (5), so that the hot steam forms a cycle in the heat preservation box (5), and the surface of the drain pipe (3) is heated; Step three, when the drain pipe (3) is frozen, the ice melting operation is carried out.
2. The method for preventing freezing of a drain pipe of an outdoor pressure- wind gas storage tank according to claim 1, characterized by: In step one, the exhaust pipe (14) at the bottom of the heat preservation box (5) is opened, the cold air in the heat preservation box (5) is discharged through the exhaust pipe (14) by the hot steam in the steam pipe (4), so that the heat preservation box (5) is quickly heated.
3. The method for preventing freezing of the drain pipe of an outdoor pressure- wind gas holder according to claim 1, characterized by: The heat preservation box (5) is wrapped around the surface of the steam pipe (4) and the drain pipe (3), one end of the steam pipe (4) and the drain pipe (3) penetrates the left side of the heat preservation box (5) and extends to the right side of the heat preservation box (5), and the steam pipe (4) is arranged above the drain pipe (3).
4. The method for preventing freezing of the drain pipe of an outdoor pressure- wind gas holder according to claim 1, characterized by: In step three, the fan (11) is opened when the ice is melted, the fan (11) draws the steam in the heat preservation box (5) through the exhaust pipe (13), and then delivers the steam to the drain pipe (3) through the air outlet pipe (12), so that the steam heats the inside of the drain pipe (3) to melt the frozen ice and dredge.
5. The method for freeze protection of the drain line of an outdoor pressure- wind gas holder according to claim 1, characterized in that: The gap between the steam pipe (4) and the drain pipe (3) is clamped with the limiting frame (6), and the limiting frame (6) fixes the steam pipe (4) and the drain pipe (3).
6. The method for preventing freezing of the drain pipe of an outdoor pressure- wind gas holder according to claim 4, characterized by: The connection between the air outlet pipe (12) and the drain pipe (3) is located at the connection between the drain pipe (3) and the compressed air storage tank (1), and the air outlet pipe (12) faces the inner cavity of the drain pipe (3), and the inner cavity of the air outlet pipe (12) is provided with a one-way valve facing the drain pipe (3).
Citation Information
Patent Citations
Self-adaptive anti-freezing gas water heater exhaust device
CN113701339A
Anti-freezing device for heat supply pipe network of thermal power plant
CN215759334U