CN218480276U - Heat-insulating pipeline - Google Patents
Heat-insulating pipeline Download PDFInfo
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- CN218480276U CN218480276U CN202222415480.0U CN202222415480U CN218480276U CN 218480276 U CN218480276 U CN 218480276U CN 202222415480 U CN202222415480 U CN 202222415480U CN 218480276 U CN218480276 U CN 218480276U
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Abstract
The utility model relates to the technical field of wet acid making, in particular to a heat preservation pipeline, which comprises a first heat preservation layer, a wall hanging layer, a fixed layer, a second heat preservation layer and a protective layer which are sleeved outside the pipeline from inside to outside; and the fixed layer and the wall hanging layer are communicated with warm air. The utility model discloses a heat preservation cotton on having solved current heat preservation pipeline can age along with time and lose the heat preservation effect, if outer heat preservation damages simultaneously, then the rainwater can directly get into the cotton inside that keeps warm, takes away the heat to and when cold season, the relatively poor problem of heat preservation effect.
Description
Technical Field
The utility model relates to a wet process system sour technical field, in particular to thermal insulation pipeline.
Background
In the process of preparing the sulfuric acid by the wet method, a hydrogen sulfide gas source is incinerated into gas containing sulfur dioxide, the gas containing the sulfur dioxide is converted into sulfur trioxide without washing and drying, the sulfur trioxide is combined with water vapor to form gaseous sulfuric acid, and the gaseous sulfuric acid is condensed into liquid sulfuric acid. Wherein for preventing SO 3 And H 2 O workerThe process gas is condensed into sulfuric acid in the pipeline, the temperature of the pipe wall is ensured to be 20 ℃ higher than the dew point temperature (about 260 ℃) of the sulfuric acid as the safe temperature, and a protective measure for keeping the temperature of the part of the pipeline is adopted.
However, the traditional heat preservation mode is to wrap heat preservation cotton through the periphery, but has the following problems: (1) the heat preservation cotton can lose the heat preservation effect along with the aging of time; (2) If the outer layer is damaged by heat preservation, rainwater enters the heat preservation cotton to take away heat; and (3) in cold seasons, the heat preservation effect is poor.
Therefore, the heat preservation pipeline is produced at the same time.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a utility model content lies in providing a heat preservation pipeline, has mainly solved the heat preservation cotton on the current heat preservation pipeline and can age along with time and lose the heat preservation effect, if outer heat preservation damages simultaneously, then the rainwater can directly get into the cotton inside that keeps warm, takes away the heat to and when cold season, the relatively poor problem of heat preservation effect.
The utility model provides a heat preservation pipeline, which comprises a first heat preservation layer, a hanging wall layer, a fixed layer, a second heat preservation layer and a protective layer which are sleeved outside the pipeline from inside to outside; and the fixed layer and the wall hanging layer are communicated with warm air.
Preferably, a warm air inlet and a warm air outlet which are communicated with the outside and between the fixed layer and the wall hanging layer are arranged on the heat preservation pipeline.
Preferably, the number of the warm air inlets and the number of the warm air outlets are a plurality, and the warm air inlets and the warm air outlets are respectively and uniformly arranged on the heat preservation pipeline.
Preferably, all the warm air outlets are arranged in parallel; the only warm air outlet and a plurality of warm air inlets are arranged on any cross section of the heat preservation pipeline; on the current cross section, all the warm air inlets and the warm air outlets are uniformly arranged on the outer edge of the heat insulation pipeline in a protruding mode.
Preferably, the temperature control device further comprises a first temperature sensor and a second temperature sensor which are respectively arranged on the inner wall and the outer wall of the pipeline.
Preferably, a third temperature sensor is further connected to the warm air outlet.
Preferably, the first heat-insulating layer and the second heat-insulating layer are made of heat-insulating cotton; the wall hanging layer is a metal net; the fixed layer is a corrugated plate; the protective layer is waterproof cloth.
Preferably, the wall hanging layer and the protective layer further comprise heat preservation iron sheets.
From the above, use the utility model provides a technical scheme can obtain following beneficial effect:
first, the utility model provides a temperature, wind speed, the amount of wind etc. of accessible control warm braw among the technical scheme can be according to nimble regulations such as ambient temperature, cold acid temperature with insulating tube stable control above acid dew point, and guarantee SO 3 And H 2 The smooth movement of the O process gas in the pipeline reduces the overlooking of acid condensation, prolongs the service life of the pipeline and maintains the running stability of the device;
second, the utility model provides a first temperature sensor of accessible and second temperature sensor among the technical scheme, the wind speed, the amount of wind of timely manual or electric regulation warm braw guarantee insulating tube's constancy of temperature, monitor its heat preservation effect simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a sectional view of an insulated pipe according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of the heat preservation pipeline in the embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
The heat preservation cotton on the current heat preservation pipeline can age along with time and lose the heat preservation effect, if outer heat preservation damages simultaneously, then the rainwater can directly get into the cotton inside that keeps warm, takes away the heat to and when cold season, the relatively poor problem of heat preservation effect.
As shown in fig. 1 and fig. 2, in order to solve the above problem, the present embodiment provides an insulation pipe, which mainly includes a first insulation layer 10, a wall hanging layer 20, a fixing layer 30, a second insulation layer 40 and a protective layer 50, which are sleeved outside the pipe from inside to outside; the fixed layer 30 is communicated with the wall hanging layer 20 through warm air.
Preferably, in this embodiment, the first insulating layer 10 and the second insulating layer 40 both adopt insulating cotton; the wall hanging layer 20 adopts a common structure of a metal net and a heat preservation iron sheet; the fixed layer 30 adopts a corrugated plate; the protective layer 50 adopts a common structure of waterproof cloth and a heat preservation iron sheet.
Preferably, in the embodiment, the heat insulation pipeline 100 is arranged at the SO 2 The fixed layer 30 should also completely wrap the existing insulated conduit 100 between the bottom of the converter and the soft junction of the condenser inlet. Preferably, but not limited to, in this embodiment, the lengths of the first insulating layer 10, the wall hanging layer 20, the fixing layer 30, the second insulating layer 40 and the protective layer 50 are equal, and any single layer is an integrally formed structure.
Preferably, but not limited to, the acid dew point in this embodiment is about 260 ℃, so the temperature of the warm air can be 250 ℃, and preferably, the temperature and the air volume of the warm air of the condenser should be kept stable.
In this embodiment, at the cotton outside parcel of heat preservation one deck metal mesh, tie up and tie firmly, prevent that the cotton time of heat preservation has been of a specified duration flagging, form the heat preservation clearance, the iron sheet is applied in the parcel again, accomplishes the iron sheet parcel and applies the back, and the parcel again coats one deck corrugated metal plate, requires that all heat preservation iron sheets and corrugated plate overlap joints are complete, does not leave the breach, wraps the heat preservation that the one deck 100mm is thick again on the corrugated plate, wraps one deck waterproof cloth and heat preservation iron sheet at last.
More specifically, the heat insulation pipe 100 is provided with a warm air inlet 80 and a warm air outlet 70 which are communicated between the outside and the fixing layer 30 and the wall hanging layer 20.
Preferably, the warm air inlet 80 should be connected to the warm air outlet of the condenser, and the warm air outlet 70 may be directly discharged to the outside, or may be further collected by a heat exchange structure, such as a heat exchanger, and then discharged to the outside.
Preferably, in this embodiment, both the warm air inlet 80 and the warm air outlet 70 are provided with a manual valve or an electric control valve, which is also used for manually or automatically adjusting the air outlet/inlet speed, the air volume, and the like of the current warm air.
More specifically, the number of the warm air inlets 80 and the warm air outlets 70 is several, and the warm air inlets and the warm air outlets are respectively and uniformly arranged on the heat preservation pipeline 100.
Preferably, all of the warm air outlets 70 are arranged side by side; a single warm air outlet 70 and a plurality of warm air inlets 80 are provided on any cross section of the heat insulation duct 100; in the current cross section, all the warm air inlets 80 and the warm air outlets 70 are uniformly protruded on the outer edge of the thermal insulation pipe 100.
Preferably, but not limited to, in the present embodiment, three warm air inlets and one warm air outlet are provided on the same cross section; and the four warm air inlets/outlets are arranged on the heat preservation pipeline 100 at 90-degree included angles with each other. Furthermore, the warm air outlet should be arranged at the upper end of the heat preservation pipeline 100, and warm air in multiple directions is gathered by utilizing the property that the warm air can rise and is separated from the current warm air outlet, so that the temperature reduction of the warm air in the heat preservation pipeline 100 in the residual process is avoided, and the heat preservation effect is not influenced.
Preferably, but not limited to, the corresponding warm air outlet and the three warm air inlets in this embodiment should be disposed on the same vertical plane, that is, the warm air outlets and the warm air inlets on different vertical planes are uniformly distributed at intervals. Preferably 2000mm apart.
Preferably, but not limited to, the pipe of the warm air outlet and the warm air inlet is arranged at an angle perpendicular to the outer wall of the pipe in this embodiment.
More specifically, the temperature control device further comprises a first temperature sensor and a second temperature sensor which are respectively arranged on the inner wall and the outer wall of the pipeline.
In this embodiment, the difference between the first temperature sensor and the second temperature sensor is equal to the temperature difference between the inner wall and the outer wall of the pipeline, and the worker can control the air inlet and the air outlet of the warm air according to the calculation result, maintain the current temperature of the pipeline, or adjust the temperature of the pipeline to fall, or adjust the temperature of the pipeline to rise.
More specifically, the warm air outlet is also provided with a third temperature sensor 90.
In this embodiment, the third temperature sensor 90 is disposed at the warm air outlet, and can be used to monitor the discharge temperature of warm air controlled between 100-150 ℃, and the specific adjustment range should be adjusted according to the temperature difference between the inner wall and the outer wall.
In summary, in the heat preservation pipeline provided by this embodiment, the pipeline is wrapped with the multi-layer structure, and the warm air introduced with the condenser maintains the temperature of the current multi-layer structure, SO as to maintain the temperature in the heat preservation pipeline, thereby implementing SO 3 And H 2 The O process gas moves smoothly in the pipeline, and condensation and corrosion of the pipeline are avoided.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.
Claims (8)
1. An insulated pipe, characterized in that: comprises a first heat preservation layer, a wall hanging layer, a fixed layer, a second heat preservation layer and a protective layer which are sleeved outside a pipeline from inside to outside; and the fixed layer and the wall hanging layer are communicated with warm air.
2. An insulated pipe according to claim 1, characterized in that: and a warm air inlet and a warm air outlet which are communicated with the outside and between the fixed layer and the wall hanging layer are arranged on the heat insulation pipeline.
3. An insulated pipe according to claim 2, characterized in that: the quantity of warm air inlets and warm air outlets is a plurality of, and evenly set up respectively in on the heat preservation pipeline.
4. A thermal insulating conduit according to claim 3, wherein: all the warm air outlets are arranged in parallel; the single warm air outlet and the plurality of warm air inlets are arranged on any cross section of the heat preservation pipeline; on the current cross section, all the warm air inlets and the warm air outlets are uniformly arranged on the outer edge of the heat insulation pipeline in a protruding mode.
5. An insulated pipe according to any one of claims 1 to 4, characterized in that: the pipeline temperature control device is characterized by further comprising a first temperature sensor and a second temperature sensor which are respectively arranged on the inner wall and the outer wall of the pipeline.
6. An insulated pipe according to any one of claims 2 to 4, characterized in that: the warm air outlet is also connected with a third temperature sensor.
7. The insulated pipe according to any one of claims 1 to 4, wherein: the first heat-insulating layer and the second heat-insulating layer are made of heat-insulating cotton; the wall hanging layer is a metal net; the fixed layer is a corrugated plate; the protective layer is waterproof cloth.
8. The insulated pipe of claim 7, wherein: the wall hanging layer and the protective layer also comprise heat preservation iron sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222415480.0U CN218480276U (en) | 2022-09-09 | 2022-09-09 | Heat-insulating pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222415480.0U CN218480276U (en) | 2022-09-09 | 2022-09-09 | Heat-insulating pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218480276U true CN218480276U (en) | 2023-02-14 |
Family
ID=85168643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222415480.0U Active CN218480276U (en) | 2022-09-09 | 2022-09-09 | Heat-insulating pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218480276U (en) |
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2022
- 2022-09-09 CN CN202222415480.0U patent/CN218480276U/en active Active
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