CN220187526U - Defrosting device for liquid nitrogen air bath type vaporizer - Google Patents
Defrosting device for liquid nitrogen air bath type vaporizer Download PDFInfo
- Publication number
- CN220187526U CN220187526U CN202321936643.8U CN202321936643U CN220187526U CN 220187526 U CN220187526 U CN 220187526U CN 202321936643 U CN202321936643 U CN 202321936643U CN 220187526 U CN220187526 U CN 220187526U
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- Prior art keywords
- air
- defrosting
- distributor
- main body
- bath
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- 238000010257 thawing Methods 0.000 title claims abstract description 50
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 17
- 239000006200 vaporizer Substances 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 title claims abstract description 16
- 238000013461 design Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 239000000523 sample Substances 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004891 communication Methods 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 244000007853 Sarothamnus scoparius Species 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 206010003497 Asphyxia Diseases 0.000 description 1
- 208000001034 Frostbite Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Landscapes
- Separation By Low-Temperature Treatments (AREA)
Abstract
The utility model discloses a defrosting device for a liquid nitrogen air bath type vaporizer, which belongs to the technical field of vaporizer defrosting, and comprises a defrosting distributor and an air bath type vaporizer main body; the defrosting distributor comprises a defrosting distributor, a plurality of shunt tubes, a plurality of air nozzles and a plurality of air nozzles, wherein the shunt tubes are fixedly connected into the defrosting distributor, two ends of each shunt tube are of closed type design, and the lower surfaces of the shunt tubes are provided with the plurality of air nozzles communicated with the air nozzles; according to the utility model, the defrosting distributor is arranged on the air-bath type gasifier main body, a plurality of shunt pipes are arranged in the defrosting distributor and correspond to the pipe bodies of the air-bath type gasifier main body, and when the temperature on the air-bath type gasifier main body is too low to form frost through the temperature monitoring function of the temperature detection probe, the electromagnetic valve is opened, the introduction of factory air is facilitated under the communication function of the communicating pipe and the guide pipe, and the air nozzle is utilized to conduct drainage on each pipe body of the air-bath type gasifier main body, so that a quick and uniform defrosting effect is realized.
Description
Technical Field
The utility model belongs to the technical field of defrosting of evaporators, and particularly relates to a defrosting device for a liquid nitrogen air bath type evaporator.
Background
The surface of the liquid nitrogen air bath gasifier can be frosted continuously in the running process. Once a certain thickness is reached, the vaporization efficiency of the low-temperature liquid (liquid nitrogen) is necessarily affected, so that the evaporation capacity is reduced, and even the air bath vaporizer is supercooled and the evaporation capacity is lost. The emergency stop state of the air separation plant inevitably affects the nitrogen used for safety of the whole plant, and considerable potential safety hazards exist for each plant, so that once accidents are caused, the consequences are not considered.
At present, a manual monitoring defrosting mode is adopted for the operation of the air bath gasifier, the surface frosting of the air bath gasifier is removed by manually sweeping with a broom or knocking with a rubber hammer, the air bath gasifier is made of aluminum alloy, the mode has large harm to low-temperature equipment and low efficiency, and operators have phenomena of loosening equipment flanges or damaging and leaking equipment in the operation process, and the like, so that potential safety hazards (such as frostbite, asphyxia and the like) are quite large.
Disclosure of Invention
The utility model provides a defrosting device for a liquid nitrogen air bath vaporizer, which aims to solve the problems of considerable potential safety hazards caused by loosening of a device flange or damage and leakage of the device in the operation process of the defrosting device by manually cleaning the air bath vaporizer by using a broom or knocking by using a rubber hammer to remove the surface frosting of the air bath vaporizer in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a defrosting device for a liquid nitrogen air bath vaporizer, comprising:
a defrost distributor and an empty-bath gasifier body;
the defrosting distributor comprises a defrosting distributor, a plurality of shunt tubes, a plurality of air nozzles and a plurality of air nozzles, wherein the shunt tubes are fixedly connected into the defrosting distributor, two ends of each shunt tube are of closed type design, and the lower surfaces of the shunt tubes are provided with the plurality of air nozzles communicated with the air nozzles;
the communicating pipe is fixedly connected to the plurality of shunt pipes, the plurality of shunt pipes are communicated with the communicating pipe, a guide pipe communicated with the communicating pipe is arranged on the communicating pipe and used for communicating the factory wind, and an electromagnetic valve is arranged on the guide pipe.
As a preferable implementation mode, the defrosting distributor is fixedly arranged on the main body of the air bath gasifier, and four corners of the bottom end of the defrosting distributor are connected with the outer frame of the main body of the air bath gasifier through screws.
As a preferred embodiment, two adjacent air nozzles are distributed equidistantly, and the positions of the two adjacent air nozzles respectively correspond to the positions of the inner pipe body of the main body of the air bath gasifier.
As a preferable implementation mode, a PLC control cabinet is arranged on one side face of the air-bath type gasifier main body, and a temperature detection probe for detecting the temperature of a plurality of pipes in the air-bath type gasifier main body is fixedly arranged on the inner wall of the bottom of the defrosting distributor.
As a preferred embodiment, the hollow-bath gasifier body is provided with flow meters on a plurality of pipes.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the defrosting distributor is arranged on the air-bath type gasifier main body, a plurality of shunt pipes are arranged in the defrosting distributor and correspond to the pipe bodies of the air-bath type gasifier main body, and when the temperature on the air-bath type gasifier main body is too low to form frost under the temperature monitoring effect of the temperature detection probe, the electromagnetic valve is opened, and the introduction of factory air is facilitated under the communication effect of the communicating pipe and the guide pipe, and each pipe body of the air-bath type gasifier main body is drained by a plurality of air nozzles, so that the rapid and uniform defrosting effect is realized;
2. according to the utility model, the flowmeter is arranged on the pipeline of the air-bath type gasifier main body, so that the evaporation amount of nitrogen can be conveniently detected in real time, and the safety monitoring of the air-bath type gasifier main body can be improved by matching with the temperature monitoring of the temperature detection probe, so that whether the air-bath type gasifier main body has abnormal conditions or not can be conveniently perceived in time, and good guarantee is provided for long-term safe use of the air-bath type gasifier.
Drawings
FIG. 1 is a first perspective view of the structure of the present utility model;
FIG. 2 is a second perspective view of the structure of the present utility model;
fig. 3 is a schematic view of the bottom of a shunt of the present utility model.
In the figure: 1. a defrost distributor; 2. an air-bath gasifier body; 3. a shunt; 4. a communicating pipe; 5. a conduit; 6. an electromagnetic valve; 7. a flow meter; 8. a temperature detection probe; 9. a PLC control cabinet; 10. an air nozzle.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1:
referring to fig. 1-3, the present utility model provides a defrosting device for a liquid nitrogen air bath vaporizer, comprising:
a defrost distributor 1 and an empty bath gasifier body 2;
the plurality of shunt tubes 3 are fixedly connected in the defrosting distributor 1, two ends of each shunt tube 3 are of closed type design, and a plurality of air nozzles 10 communicated with the shunt tubes 3 are arranged on the lower surface of each shunt tube 3;
the communicating pipe 4 is fixedly connected to the plurality of shunt pipes 3, the plurality of shunt pipes 3 are communicated with the communicating pipe 4, the communicating pipe 4 is provided with a conduit 5 communicated with the communicating pipe 4 for communicating factory wind, and the conduit 5 is provided with an electromagnetic valve 6.
Specifically, as shown in fig. 1, the defrosting distributor 1 is fixedly installed on the empty bath gasifier body 2, and four corners of the bottom end of the defrosting distributor 1 are connected with the outer frame of the empty bath gasifier body 2 through screws, through the design of the defrosting distributor, the defrosting distributor 1 can be detached, and when the empty bath gasifier body 2 needs to be maintained, the defrosting distributor 1 is conveniently detached and taken down, so that workers can overhaul the empty bath gasifier body 2.
Specifically, as shown in fig. 3, the two adjacent air nozzles 10 are distributed at equal intervals, the positions of the two adjacent air nozzles 10 respectively correspond to the positions of the inner pipe bodies of the air bath gasifier main body 2, and by means of the design, the two adjacent air nozzles 10 can correspond to two sides of a single pipe body in the air bath gasifier main body 2, and then the air nozzles 10 can be used for precisely blowing and defrosting each pipe body in the air bath gasifier main body 2, so that defrosting efficiency is faster in use.
Specifically, as shown in fig. 2, a PLC control cabinet 9 is provided on a side surface of the air-bath type gasifier main body 2, a temperature detection probe 8 for detecting the temperatures of a plurality of pipes in the air-bath type gasifier main body 2 is fixedly installed on the inner wall of the bottom of the defrosting distributor 1, and through the design thereof, the pipes in the air-bath type gasifier main body 2 are conveniently monitored in real time at any time, so that the pipes are conveniently monitored at any time through the PLC control cabinet 9.
Referring to fig. 1-3, when the utility model is used, firstly, the defrosting distributor 1 is installed and fixed on the top of the air-bath gasifier main body 2, one end of the guide pipe 5 is communicated with factory wind, when the air-bath gasifier main body 2 is used daily, the temperature detection probe 8 monitors the external temperature of the air-bath gasifier main body 2 in real time, when the pipe temperature in the air-bath gasifier main body 2 is monitored to be too low, the electromagnetic valve 6 is controlled to open and introduce factory wind into the communicating pipe 4 and the plurality of shunt pipes 3, and each pipe body in the air-bath gasifier main body 2 is uniformly blown through the plurality of air nozzles 10 at the bottom of the shunt pipes 3, so that the melting of frost formed on the outer wall of the air-bath gasifier main body 2 is accelerated.
Example 2:
referring to fig. 1-3, the present utility model provides a defrosting device for a liquid nitrogen air bath vaporizer, comprising:
a defrost distributor 1 and an empty bath gasifier body 2;
the plurality of shunt tubes 3 are fixedly connected in the defrosting distributor 1, two ends of each shunt tube 3 are of closed type design, and a plurality of air nozzles 10 communicated with the shunt tubes 3 are arranged on the lower surface of each shunt tube 3;
the communicating pipe 4 is fixedly connected to the plurality of shunt pipes 3, the plurality of shunt pipes 3 are communicated with the communicating pipe 4, the communicating pipe 4 is provided with a conduit 5 communicated with the communicating pipe 4 for communicating factory wind, and the conduit 5 is provided with an electromagnetic valve 6.
Specifically, as shown in fig. 2, all be provided with flowmeter 7 on a plurality of body in the empty bath gasifier main part 2, through setting up flowmeter 7, be convenient for detect the evaporation capacity of nitrogen gas in real time, can improve the safety monitoring to empty bath gasifier main part 2 to whether in time detect empty bath gasifier main part 2 has the abnormal conditions to take place, make things convenient for the staff to overhaul in time.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A defrosting device for a liquid nitrogen air bath vaporizer, comprising:
a defrost distributor (1) and an air-bath gasifier body (2);
the defrosting distributor comprises a defrosting distributor (1), a plurality of shunt tubes (3), a plurality of air nozzles (10) and a plurality of air nozzles, wherein the shunt tubes (3) are fixedly connected into the defrosting distributor (1), two ends of each shunt tube (3) are of a closed design, and the lower surfaces of the shunt tubes (3) are provided with the plurality of air nozzles (10) communicated with the air nozzles;
communicating pipe (4), fixed connection is on a plurality of shunt tubes (3), a plurality of shunt tubes (3) all are linked together with communicating pipe (4), be provided with on communicating pipe (4) with its pipe (5) that are linked together for intercommunication factory wind, be provided with solenoid valve (6) on pipe (5).
2. A defrosting apparatus for a liquid nitrogen air bath vaporizer as defined in claim 1, wherein: the defrosting distributor (1) is fixedly arranged on the empty bath type gasifier main body (2), and four corners of the bottom end of the defrosting distributor (1) are connected with the outer frame of the empty bath type gasifier main body (2) through screws.
3. A defrosting apparatus for a liquid nitrogen air bath vaporizer as defined in claim 1, wherein: the two adjacent air nozzles (10) are distributed equidistantly, and the positions of the two adjacent air nozzles (10) respectively correspond to the positions of the inner pipe body of the air bath gasifier main body (2).
4. A defrosting apparatus for a liquid nitrogen air bath vaporizer as defined in claim 1, wherein: a PLC control cabinet (9) is arranged on one side face of the air bath type gasifier main body (2), and a temperature detection probe (8) for detecting the temperature of a plurality of pipes in the air bath type gasifier main body (2) is fixedly installed on the inner wall of the bottom of the defrosting distributor (1).
5. A defrosting apparatus for a liquid nitrogen air bath vaporizer as defined in claim 1, wherein: flow meters (7) are arranged on a plurality of pipe bodies in the air bath type gasifier main body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321936643.8U CN220187526U (en) | 2023-07-22 | 2023-07-22 | Defrosting device for liquid nitrogen air bath type vaporizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321936643.8U CN220187526U (en) | 2023-07-22 | 2023-07-22 | Defrosting device for liquid nitrogen air bath type vaporizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220187526U true CN220187526U (en) | 2023-12-15 |
Family
ID=89103079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321936643.8U Active CN220187526U (en) | 2023-07-22 | 2023-07-22 | Defrosting device for liquid nitrogen air bath type vaporizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220187526U (en) |
-
2023
- 2023-07-22 CN CN202321936643.8U patent/CN220187526U/en active Active
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