CN220061061U - Anti-freezing control structure of chemical pipeline in winter - Google Patents
Anti-freezing control structure of chemical pipeline in winter Download PDFInfo
- Publication number
- CN220061061U CN220061061U CN202321056600.0U CN202321056600U CN220061061U CN 220061061 U CN220061061 U CN 220061061U CN 202321056600 U CN202321056600 U CN 202321056600U CN 220061061 U CN220061061 U CN 220061061U
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- shell
- chemical pipeline
- inner shell
- pipeline
- winter
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- 239000000126 substance Substances 0.000 title claims abstract description 41
- 238000007710 freezing Methods 0.000 title claims abstract description 21
- 238000004321 preservation Methods 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 13
- 208000001034 Frostbite Diseases 0.000 claims description 7
- 230000002528 anti-freeze Effects 0.000 claims description 5
- 230000008014 freezing Effects 0.000 claims 1
- 238000005336 cracking Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 238000003889 chemical engineering Methods 0.000 abstract description 2
- 239000012847 fine chemical Substances 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000004744 fabric Substances 0.000 description 8
- 229920000742 Cotton Polymers 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229920004934 Dacron® Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009489 vacuum treatment Methods 0.000 description 1
Abstract
The utility model discloses an antifreezing control structure for a chemical pipeline in winter, and belongs to the technical field of fine chemical engineering. The anti-freezing pipeline comprises a chemical pipeline and an anti-freezing shell, wherein the chemical pipeline is arranged in the anti-freezing shell, the anti-freezing shell comprises an outer shell, an inner shell and connecting plates, the inner diameter of the inner shell is matched with the outer diameter of the chemical pipeline, the inner shell is positioned in the outer shell, the two connecting plates are fixedly connected with the outer shell and the two ends of the inner shell, a space between the outer shell and the inner shell is a vacuum cavity, the outer wall of the vacuum cavity is fixedly provided with and communicated with an air valve, the air valve is communicated with the vacuum cavity, and a sealing valve cover is arranged on the air valve, so that cold shrinkage and frost cracking of the chemical pipeline due to low temperature can be avoided, the service life of the chemical pipeline is prolonged, and material leakage cannot occur.
Description
Technical Field
The utility model belongs to the technical field of pipeline anti-freezing treatment in fine chemical engineering, and particularly relates to an anti-freezing control structure for a chemical pipeline in winter.
Background
In cold winter, the phenomenon of cold shrinkage of part of pipelines for conveying materials can occur along with the rapid decrease of temperature, and when the temperature reaches below minus 10 ℃ or even lower, the phenomenon that the pipelines are frozen and cracked easily occurs, so that leakage is caused, and safety accidents are caused.
The prior patent application number is CN202122478594.5 utility model name: the utility model provides a cold area medical shelter is with water pipe that prevents frostbite, includes the body, still be provided with multiunit fastening structure between layer and the cold-proof layer, and multiunit fastening structure is annular array and distributes, the layer that prevents frostbite includes glass fiber tape layer, pure cotton cloth layer and dacron cloth layer, glass fiber tape layer complex bonds the outside of body, pure cotton cloth layer complex bonds the outside of glass fiber tape layer, dacron cloth layer complex bonds the surface on pure cotton cloth layer, and interconnect between the surface on dacron cloth layer and the internal surface on cold-proof layer. The utility model is provided with the thermal insulation layer and the anti-freezing layer, and avoids the problem of brittleness increase in cold environment, thereby effectively playing a role in protecting the pipe and preventing the cracking and the cracking.
The heat preservation is carried out on the inner pipeline through glass fibers, pure cotton cloth and polyester cloth, but the heat preservation structures only delay the temperature loss in the pipeline, when the outside is at low temperature for a long time, the heat preservation structures still can gradually cool, the inner pipeline is finally at ultralow temperature, cold shrinkage frost cracking finally occurs, and pipeline leakage is caused.
Accordingly, there is a need for an improvement over the deficiencies and shortcomings of the prior art to provide a winter chemical pipeline freeze protection control structure.
Disclosure of Invention
The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide a winter chemical pipeline anti-freezing control structure which can overcome the problems or at least partially solve the problems.
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that: the utility model provides a chemical industry pipeline control structure that prevents frostbite in winter, includes chemical industry pipeline, still includes the casing that prevents frostbite, chemical industry pipeline installs in the casing that prevents frostbite, the casing that prevents frostbite includes shell, inner shell and connecting plate, the internal diameter of inner shell with the external diameter phase-match of chemical industry pipeline, the inner shell is located in the shell, two the connecting plate with shell with the both ends fixed connection of inner shell, the shell with space between the inner shell is the vacuum chamber, the outer wall fixed mounting of vacuum chamber and intercommunication have the pneumatic valve, the pneumatic valve with the vacuum chamber intercommunication, install sealed valve gap on the pneumatic valve.
In order to further improve the heat preservation effect, preferably, the inner wall of the inner shell is provided with a plurality of flow guide sliding grooves, a flow guide pipe is slidably arranged in the flow guide sliding grooves, and the bottom surface of the flow guide pipe is propped against the outer wall of the chemical pipeline.
In order to improve the heat preservation effect of the heat preservation liquid, further, the heat preservation liquid is filled in the guide pipe, wherein the flow direction of the heat preservation liquid in one part of the guide pipe is opposite to that of the heat preservation liquid in the other part of the guide pipe.
In order to complete the connection and installation between the anti-freezing shells, preferably, a plurality of positioning convex blocks are fixedly installed on two connecting plates, and positioning grooves matched with the positioning convex blocks on the other connecting plate are formed on two connecting plates.
In order to detect whether the vacuum chamber is vacuum or not, preferably, an air pressure sensor is fixedly installed on the inner wall of the housing.
For detecting the temperature of the inner shell, preferably, a temperature sensor is fixedly installed on the outer wall of the inner shell.
After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects: according to the anti-freezing control structure for the chemical pipeline in winter, the vacuum cavity between the outer shell and the inner shell is subjected to vacuum treatment, and heat is transferred only by a small amount of heat radiation because no medium is used for conducting heat, so that the loss speed of heat of the chemical pipeline and materials in the chemical pipeline is reduced, and then the flow guide pipe is used for heating and preserving heat, so that cold shrinkage and frost cracking of the chemical pipeline due to low temperature are avoided, the service life of the chemical pipeline is prolonged, and material leakage is avoided.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic illustration of the construction of a single antifreeze housing of the present utility model;
fig. 3 is a schematic view of the internal structure of the present utility model.
In the figure: 1. an antifreezing shell; 2. chemical pipelines; 3. a housing; 4. an inner case; 401. a diversion chute; 5. a connecting plate; 501. positioning the protruding blocks; 502. a positioning groove; 6. a vacuum chamber; 7. a flow guiding pipe; 8. an air valve; 801. sealing the valve cover; 9. an air pressure sensor; 10. a temperature sensor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
Examples:
referring to fig. 1-3, the chemical pipeline anti-freezing control structure in winter comprises a chemical pipeline 2 and further comprises an anti-freezing shell 1, wherein the chemical pipeline 2 is installed in the anti-freezing shell 1, the anti-freezing shell 1 comprises an outer shell 3, an inner shell 4 and connecting plates 5, the inner diameter of the inner shell 4 is matched with the outer diameter of the chemical pipeline 2, the inner shell 4 is located in the outer shell 3, two connecting plates 5 are fixedly connected with two ends of the outer shell 3 and the inner shell 4, a space between the outer shell 3 and the inner shell 4 is a vacuum cavity 6, an air valve 8 is fixedly installed on the outer wall of the vacuum cavity 6 and communicated with the vacuum cavity 6, and a sealing valve cover 801 is installed on the air valve 8.
The inner wall of the inner shell 4 is provided with a plurality of guide sliding grooves 401, the guide sliding grooves 401 are internally provided with guide pipes 7 in a sliding manner, the bottom surfaces of the guide pipes 7 are propped against the outer wall of the chemical pipeline 2, the guide pipes 7 are internally filled with heat preservation liquid, the flow directions of the heat preservation liquid in one part of the guide pipes 7 are opposite to that of the heat preservation liquid in the other part of the guide pipes 7, eight guide pipes 7 are arranged in a crossed manner, the two guide pipes 7 in two flow directions are distributed, the heat preservation liquid can be hot water, the guide pipes 7 can be used for preserving heat of the chemical pipeline 2, the heat preservation liquid can be prevented from being high in the initial end temperature in the two directions, and when the tail end is reached, the temperature is reduced, and the heat preservation effect is lost.
A plurality of positioning convex blocks 501 are fixedly arranged on the two connecting plates 5, positioning grooves 502 matched with the positioning convex blocks 501 on the other connecting plate 5 are arranged on the two connecting plates 5, and the positioning convex blocks 501 and the positioning grooves 502 are used for guiding and mounting, so that the anti-freezing shell 1 can be correctly connected and mounted.
The inner wall of the shell 3 is fixedly provided with an air pressure sensor 9, whether the vacuum cavity 6 is in a vacuum state or not is detected by the air pressure sensor 9, and if the vacuum state is not the vacuum state, the anti-freezing shell 1 of the section can be detected, repaired or replaced.
The outer wall of the inner shell 4 is fixedly provided with a temperature sensor 10, and the real-time temperature of the inner shell 4 is detected by the temperature sensor 10 to judge whether the flow guide pipe 7 needs to be started or not and the temperature of the heat preservation liquid in the flow guide pipe 7.
According to the utility model, the anti-freezing shell 1 is sleeved on the chemical pipeline 2, the anti-freezing shells 1 are mutually connected through the positioning convex blocks 501 and the positioning grooves 502, the sealing valve cover 801 is opened, the air pump is communicated with the air valve 8, the air valve 8 is used for exhausting air in the vacuum cavity 6, the vacuum cavity 6 is in a vacuum state, the sealing valve cover 801 is closed, the air pressure sensor 9 is used for detecting the vacuum cavity 6 in real time, whether the vacuum cavity 6 is in the vacuum state is judged, when the outside is in a low-temperature state, the temperature sensor 10 is used for detecting the temperature of the inner shell 4, and when the low-temperature threshold is reached, hot water is input into the guide pipe 7 through the water pump at two ends of the chemical pipeline 2, and the chemical pipeline 2 in the inner shell 4 and the inner shell 4 is insulated.
The present utility model is not limited to the preferred embodiments, but is not limited to the preferred embodiments described above, and any person skilled in the art will appreciate that the present utility model is not limited to the embodiments described above.
Claims (6)
1. Winter chemical industry pipeline control structure that prevents frostbite, including chemical industry pipeline (2), its characterized in that: still include frostproofing casing (1), chemical pipeline (2) are installed in frostproofing casing (1), frostproofing casing (1) includes shell (3), inner shell (4) and connecting plate (5), the internal diameter of inner shell (4) with the external diameter phase-match of chemical pipeline (2), inner shell (4) are located in shell (3), two connecting plate (5) with the both ends fixed connection of shell (3) with the inner shell (4), shell (3) with space between inner shell (4) is vacuum chamber (6), the outer wall fixed mounting and the intercommunication of vacuum chamber (6) have pneumatic valve (8), pneumatic valve (8) with vacuum chamber (6) intercommunication, install sealed valve gap (801) on pneumatic valve (8).
2. The winter chemical pipeline antifreeze control structure of claim 1, wherein: the inner wall of the inner shell (4) is provided with a plurality of flow guide sliding grooves (401), a flow guide pipe (7) is arranged in the flow guide sliding grooves (401) in a sliding mode, and the bottom surface of the flow guide pipe (7) abuts against the outer wall of the chemical pipeline (2).
3. The winter chemical pipeline freezing control structure of claim 2, wherein: the flow guide pipe (7) is filled with heat preservation liquid, wherein the flow direction of one part of the heat preservation liquid in the flow guide pipe (7) is opposite to the flow direction of the other part of the heat preservation liquid in the flow guide pipe (7).
4. The winter chemical pipeline antifreeze control structure of claim 1, wherein: a plurality of positioning convex blocks (501) are fixedly arranged on each connecting plate (5), and positioning grooves (502) matched with the positioning convex blocks (501) on the other connecting plates (5) are formed in each connecting plate (5).
5. The winter chemical pipeline antifreeze control structure of claim 1, wherein: an air pressure sensor (9) is fixedly arranged on the inner wall of the shell (3).
6. The winter chemical pipeline antifreeze control structure of claim 1, wherein: the outer wall of the inner shell (4) is fixedly provided with a temperature sensor (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056600.0U CN220061061U (en) | 2023-05-06 | 2023-05-06 | Anti-freezing control structure of chemical pipeline in winter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056600.0U CN220061061U (en) | 2023-05-06 | 2023-05-06 | Anti-freezing control structure of chemical pipeline in winter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220061061U true CN220061061U (en) | 2023-11-21 |
Family
ID=88753406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321056600.0U Active CN220061061U (en) | 2023-05-06 | 2023-05-06 | Anti-freezing control structure of chemical pipeline in winter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220061061U (en) |
-
2023
- 2023-05-06 CN CN202321056600.0U patent/CN220061061U/en active Active
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