CN220706741U - Device for preventing frosting of low-temperature material conveying channel - Google Patents
Device for preventing frosting of low-temperature material conveying channel Download PDFInfo
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- CN220706741U CN220706741U CN202322302317.8U CN202322302317U CN220706741U CN 220706741 U CN220706741 U CN 220706741U CN 202322302317 U CN202322302317 U CN 202322302317U CN 220706741 U CN220706741 U CN 220706741U
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- air
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- conveying channel
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- pipe
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- 239000000463 material Substances 0.000 title claims abstract description 77
- 238000007605 air drying Methods 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 4
- 238000004887 air purification Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 238000002955 isolation Methods 0.000 description 5
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a device for preventing frosting of a low-temperature material conveying channel, which comprises an air drying module, an air compressor and a gas pipe, wherein the air drying module is arranged on the air compressor; the air drying module comprises a first air inlet and a first air outlet, wherein air enters from the first air inlet and is output from the first air outlet, and the air drying module is used for drying the air passing through the air drying module; the air compressor is connected with the first air outlet and is used for pressurizing the dry air; the air delivery pipe is connected with the air compressor and is used for outputting pressurized air; the air film pipe is installed and matched with the material conveying channel, and at least one circle of air film pipe is installed on the outer side of the periphery of the material conveying channel; at least one of two sides of the air film tube in the length direction of the material conveying channel is provided with a plurality of through holes which are communicated with the inside and the outside of the air film tube; the air film pipe is connected with the air pipe. The utility model forms a flowing air film on the outer side of the pipe wall to isolate wet and cold air, prevent frosting on the outer side of the low-temperature conveying pipe wall, improve the operation safety and reduce the cost.
Description
Technical Field
The utility model belongs to the technical field of material conveying, and particularly relates to a device for preventing frosting of a low-temperature material conveying channel.
Background
When the low-temperature liquefied hydrocarbon is used for ship unloading operation, the low-temperature propane is taken as an example, and the temperature of materials conveyed in the material conveying channel is about minus 40 ℃. The outer side wall of the material conveying channel can be frosted due to lower temperature in the channel in the ship unloading process, and the thickness of the material conveying channel can reach about 2-3cm. When the operation is completed, when the space in the channel is replaced by gas-phase propane and normal-temperature nitrogen, the frost outside the pipe wall can fall off rapidly due to the overlarge instantaneous temperature difference, and the potential safety hazard that the frost falls off at a high place and injures equipment or personnel is present.
At present, when unloading of low-temperature cold materials in a material conveying channel is completed, running water is used for cleaning frost on the outer side wall of the material conveying channel, so that frost damage of a pipeline is prevented; the running water cleans the frost on the outer side wall of the material conveying channel, so that the frost is easy to freeze on site in winter, and the safety of staff and equipment is threatened.
Disclosure of Invention
The utility model provides a device for preventing frosting of a low-temperature material conveying channel, which forms a flowing air film around the outer side wall of the channel, isolates wet and cold air, prevents frosting of the outer side of the low-temperature material conveying channel, improves operation safety and reduces cost.
In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:
a device for preventing frosting of a cryogenic feed channel, comprising:
an air drying module comprising a first air inlet through which air enters, a first air outlet through which air is output for drying air passing therethrough;
an air compressor connected to the first air outlet for pressurizing air dried by the air drying module;
at least one air delivery pipe connected to the air compressor for outputting compressed air;
at least one air film tube which is installed and matched with the material conveying channel, and at least one circle of air film tube is installed on the outer side of the periphery of the material conveying channel; at least one of two sides of the air film tube in the length direction of the material conveying channel is provided with a plurality of through holes which are communicated with the inside and the outside of the air film tube; the air film pipe is connected and communicated with the air pipe.
According to some specific embodiments of the present application, the apparatus for preventing frosting of a cryogenic feed channel further comprises an air cleaning module comprising a second air inlet, a second air outlet; the second air outlet is connected with the first air inlet and is used for purifying the air entering the second air outlet and conveying the air to the air drying module.
According to some specific embodiments of the present application, the material conveying channel is a cylindrical channel; the air film tube is an annular tube and is circumferentially mounted and matched with the outer wall of the material conveying channel; the number of the air film pipes is multiple, and the air film pipes are uniformly arranged on the material conveying channel along the length direction of the material conveying channel;
the gas transmission pipe is a straight pipe, is arranged along the length direction of the material conveying channel, and is respectively connected and communicated with each gas film pipe.
According to some specific embodiments of the present application, the material conveying channel is a cylindrical channel; the air film tube is a flexible tube which is spirally wound on the circumference of the outer wall of the material conveying channel and is fixedly connected with the material conveying channel; the pitch of the air film tube is larger than the diameter of the air film tube.
According to some specific embodiments of the application, the air film tube is a PU hose.
According to some specific embodiments of the present application, each of the through holes is uniformly disposed on the air film tube.
According to some specific embodiments of the present application, the axis of the through hole tends to be parallel to the axis of the feed channel.
According to some specific embodiments of the present application, the through holes on opposite sides of the gas film tube adjacent to the circumference are staggered.
Compared with the prior art, the utility model has the advantages and positive effects that: the device for preventing the frosting of the low-temperature material conveying channel is characterized in that a plurality of circles of air film pipes are arranged on the periphery of the outer side wall of the material conveying channel, and a plurality of through holes are formed in at least one of two sides of the air film pipes in the length direction of the material conveying channel; the method comprises the steps that pressurized air compressed by an air compressor is conveyed to an air film pipe through an air conveying pipe, the pressurized air is ejected from all through holes of the air film pipe, a flowing air film of dry air is formed on the outer side of the periphery of a conveying channel, the temperature of the pressurized air is not reduced due to long-term stay, wet cold air contacted with the pressurized air is condensed and frozen, low-temperature materials in the conveying channel are blocked from being contacted with the wet cold air on the periphery of the conveying channel at low temperature formed by the outer wall of the conveying channel by the constant-temperature stable dry air film, and therefore the wet cold air cannot be contacted with the low-temperature conveying channel, and frosting of the conveying channel is prevented; furthermore, equipment for cleaning the frost and the frost cleaning are not needed, so that the operation safety is improved and the cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram showing the functional connection structure of an embodiment of a device for preventing frosting of a low-temperature feeding channel according to the present utility model;
FIG. 2 is a schematic view of a part of an embodiment of a device for preventing frosting of a low-temperature feeding channel according to the present utility model;
FIG. 3 is an enlarged partial schematic view of an embodiment of the apparatus of FIG. 2 for preventing frosting of the cryogenic feed tunnel;
FIG. 4 is a schematic diagram of the gas film of an embodiment of the apparatus of FIG. 2 for preventing frosting of the cryogenic feed tunnel;
FIG. 5 is a schematic view of a part of another embodiment of a device for preventing frosting of a low-temperature feeding channel according to the present utility model;
FIG. 6 is an enlarged partial schematic view of an embodiment of the apparatus of FIG. 5 for preventing frosting of the cryogenic feed tunnel;
FIG. 7 is a schematic diagram of an air film of an embodiment of the apparatus of FIG. 5 for preventing frosting of a cryogenic feed tunnel.
In the drawing the view of the figure,
1. an air drying module; 2. an air compressor; 3. a gas pipe; 4. a gas film tube; 5. an air purification module; 6. a material conveying channel; 7. a four-way joint; 11. A first air inlet; 12. a first air outlet; 41. a through hole; 51. a second air inlet; 52. a second air outlet.
Description of the embodiments
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In an embodiment, referring to fig. 1, 2, 3, 4, 5, 6 and 7, the utility model discloses a device for preventing a low-temperature material conveying channel from frosting, which is used for preventing the low-temperature material conveying channel 6 from frosting during low-temperature material conveying, and comprises an air drying module 1, an air compressor 2, an air conveying pipe 3 and an air film pipe 4.
The air drying module 1 comprises a first air inlet 11 and a first air outlet 12, and is used for drying the air entering the air drying module from the first air inlet 11 and outputted by the first air outlet 12 to generate dry air.
The air compressor 2 is connected to the first air outlet 12, and compresses and pressurizes the dry air output from the air drying module 1.
The air delivery pipe 3 is connected with the air compressor 2 and is used for delivering pressurized air outwards, namely outputting pressure gas outwards; the air film tube 4 is installed and matched with the material conveying channel 6, and at least one circle of air film tube is installed on the outer side of the periphery of the material conveying channel 6; the air film tube 4 is connected and communicated with the air delivery tube 3, and a plurality of through holes 41 are formed on two sides of the air delivery channel 6 along the length direction and are used for injecting pressurized air, so that a flowing dry air film is formed on the outer side of the air delivery channel 6.
The device for preventing frosting of the low-temperature material conveying channel of the embodiment is characterized in that a plurality of circles of air film pipes 4 are arranged on the periphery of the outer side wall of the material conveying channel 6, and a plurality of through holes 41 are formed in at least one of two sides of the air film pipes 4 in the length direction of the material conveying channel 6; the pressurized air compressed by the air compressor 2 is conveyed to the air film pipe 4 through the air conveying pipe 3, so that the pressurized air is ejected from all through holes 41 of the air film pipe 4, a flowing air film of dry air is formed on the outer side of the periphery of the material conveying channel 6, the temperature of the pressurized air is not reduced due to long-term stay, the pressurized air is condensed and frozen with wet cold air contacted with the pressurized air, and the dry air film with constant temperature and stability can prevent low-temperature materials in the material conveying channel 6 from contacting with the wet cold air around the material conveying channel 6 at the low temperature formed by the outer wall of the material conveying channel 6, so that the wet cold air cannot contact with the low-temperature material conveying channel 6, and the material conveying channel 6 is prevented from frosting; furthermore, equipment for cleaning the frost and the frost cleaning are not needed, so that the operation safety is improved and the cost is reduced.
In the device for preventing frosting of the low-temperature material conveying channel of the embodiment, the part of the outer side wall of the material conveying channel 6 between the adjacent air film pipes 4 forms an isolation air film through the dry air ejected from the through holes 41 on the two adjacent air film pipes 4, so that the number of the air film pipes 4 is reduced, and the cost is saved.
In an embodiment, referring to fig. 1, the apparatus for preventing frosting of a cryogenic feed channel further comprises an air cleaning module 5 comprising a second air inlet 51, a second air outlet 52; the second air inlet 51 is for air entering the air filtration module 5; the second air outlet 52 is connected to the first air inlet 11 for purifying the air entering it and delivering it to the air drying module.
The device of this embodiment prevents frosting of low temperature material conveying passageway carries out air purification to the air that is used for forming the air film and prevents because the acceleration of air flows the slight raise dust that causes surrounding environment, promotes user's use experience.
In an embodiment, referring to fig. 1, 2, 3 and 4, a plurality of through holes 41 are respectively provided on the same side of the air film tubes 4 along the length direction of the feeding channel 6, so that the space between two adjacent air film tubes 4 forms an air film by the pressure air ejected from the through holes 41 on one of the air film tubes 4.
The embodiment reduces the number of through holes 41, reduces the processing difficulty and reduces the processing cost.
In some embodiments, referring to fig. 1, 2, 3, 4, 5, 6, 7, the feed channel 6 is a cylindrical channel; the air film tube 4 is an annular tube and is circumferentially arranged and matched with the outer wall of the material conveying channel 6; the number of the air film pipes 4 is a plurality of, and the air film pipes are uniformly arranged on the material conveying channel 6 along the length direction of the material conveying channel 6.
The air delivery pipes 3 are straight pipes, the number of the air delivery pipes is multiple, the air delivery pipes are arranged along the length direction of the material delivery channel 6 and are respectively connected with the air membrane pipes 4 through four-way connectors 7, so that the air membrane pipes 4 are connected and communicated with the air delivery pipes 3.
The air film tube 4 of the device for preventing frosting of the low-temperature conveying channel is annular in a certain shape, and the through holes 41 formed in the air film tube can be arranged in advance in certain positions, so that the air film tube is more convenient to position and install during installation, the installation efficiency is improved, the installation quality is improved, and the effect of blocking the low-temperature tube wall and outside wet and cold air is ensured.
In some specific embodiments, the feed conveyor pipe is a cylindrical channel; the air film tube 4 is a flexible tube, is spirally wound on the circumference of the outer wall of the material conveying channel 6 and is fixedly connected with the material conveying channel 6, so that the air film tube 4 is relatively fixed with the material conveying channel 6 after being installed. The screw pitch of the air film tube 4 spirally wound on the material conveying channel 6 is larger than the tube wall diameter of the air film tube 4, so that gaps exist between the adjacent air film tube 4 spirals, a laying space is reserved for the dry air ejected from the through holes 41, the consumption of the air film tube 4 is reduced, and the cost for preventing and controlling frosting of the material conveying channel 6 is further reduced.
The number of the air delivery pipes 3 is one, one end of the air delivery pipe is connected with the air compressor 2, and the other end of the air delivery pipe is connected with one end of the air film pipe 4.
In some embodiments, the air film tube 4 is a PU hose, which is convenient to wind and shape on the material conveying channel 6.
In some specific embodiments, referring to fig. 1, 2, 3, 4, 5, 6 and 7, the through holes 41 on the air film tubes 4 are uniformly arranged, so that uniformity of the air isolation film in the space between the adjacent air film tubes 4 is improved, and isolation effect is improved.
In some specific embodiments, referring to fig. 1, 2, 3, 4, 5, 6 and 7, the axis of the through hole 41 tends to be parallel to the axis of the material conveying channel 6, so that the dry air emitted from the through hole 41 spreads along the plane parallel to the outer side wall of the material conveying channel 6 as much as possible, and the efficiency and quality of forming the air isolation film are improved.
In some specific embodiments, referring to fig. 1, 2, 3, 4, 5, 6, 7, each through hole 41 opposing adjacent circumferential air film tubes 4 is disposed in a staggered orientation; that is, the centers of the through holes 41 on the opposite sides of the adjacent two air film pipes 4 do not correspond to each other and are staggered by a certain distance; that is, the through holes 41 on the opposite sides of the adjacent two air film pipes 4 are staggered; the positions of the middle portions between the two through holes 41 on the opposite side are made to correspond to each other with the through holes 41 on one side.
The device for preventing frosting of the low-temperature material conveying channel in this embodiment makes the dry air ejected from each through hole 41 form air columns in the space between the adjacent air film tubes 4, so as to improve the density of the air columns, further improve the compactness of the isolation air film, and improve the effect of the device for isolating the outer side wall of the material conveying channel 6 from outside wet and cold air.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (8)
1. A device for preventing frosting of a cryogenic feed channel, comprising:
an air drying module comprising a first air inlet through which air enters, a first air outlet through which air is output for drying air passing therethrough;
an air compressor connected to the first air outlet for pressurizing air dried by the air drying module;
at least one air delivery pipe connected to the air compressor for outputting compressed air;
at least one air film tube which is installed and matched with the material conveying channel, and at least one circle of air film tube is installed on the outer side of the periphery of the material conveying channel; at least one of two sides of the air film tube in the length direction of the material conveying channel is provided with a plurality of through holes which are communicated with the inside and the outside of the air film tube; the air film pipe is connected and communicated with the air pipe.
2. The apparatus for preventing frosting of a cryogenic feed channel of claim 1, further comprising an air purification module comprising a second air inlet, a second air outlet; the second air outlet is connected with the first air inlet and is used for purifying the air entering the second air outlet and conveying the air to the air drying module.
3. The apparatus for preventing frosting of a low temperature feed channel of claim 1, wherein the feed channel is a cylindrical channel; the air film tube is an annular tube and is circumferentially mounted and matched with the outer wall of the material conveying channel; the number of the air film pipes is multiple, and the air film pipes are uniformly arranged on the material conveying channel along the length direction of the material conveying channel;
the gas transmission pipe is a straight pipe, is arranged along the length direction of the material conveying channel, and is respectively connected and communicated with each gas film pipe.
4. The apparatus for preventing frosting of a low temperature feed channel of claim 1, wherein the feed channel is a cylindrical channel; the air film tube is a flexible tube which is spirally wound on the circumference of the outer wall of the material conveying channel and is fixedly connected with the material conveying channel; the pitch of the air film tube is larger than the diameter of the air film tube.
5. The apparatus for preventing frosting of a cryogenic feed channel of claim 4, wherein said air film tube is a PU hose.
6. The apparatus for preventing frosting of a low temperature feed channel according to any one of claims 1 to 5, wherein each of said through holes is uniformly provided on said air film tube.
7. The apparatus for preventing frosting of a cryogenic feed channel according to claim 6, wherein the axis of the through-hole is oriented parallel to the axis of the feed channel.
8. The apparatus of claim 7, wherein said through holes on opposite sides of adjacent ones of said air film tubes are staggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322302317.8U CN220706741U (en) | 2023-08-27 | 2023-08-27 | Device for preventing frosting of low-temperature material conveying channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322302317.8U CN220706741U (en) | 2023-08-27 | 2023-08-27 | Device for preventing frosting of low-temperature material conveying channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220706741U true CN220706741U (en) | 2024-04-02 |
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ID=90437684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322302317.8U Active CN220706741U (en) | 2023-08-27 | 2023-08-27 | Device for preventing frosting of low-temperature material conveying channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220706741U (en) |
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2023
- 2023-08-27 CN CN202322302317.8U patent/CN220706741U/en active Active
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