CN211782279U - Heat exchanger for air separation plant - Google Patents
Heat exchanger for air separation plant Download PDFInfo
- Publication number
- CN211782279U CN211782279U CN202020239765.1U CN202020239765U CN211782279U CN 211782279 U CN211782279 U CN 211782279U CN 202020239765 U CN202020239765 U CN 202020239765U CN 211782279 U CN211782279 U CN 211782279U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- tube
- air
- heat exchanger
- exchange tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a heat exchanger for air separation equipment, including the casing, be located the heat exchange assembly of casing, the heat exchange assembly includes heat exchange tube and tube sheet, the heat exchange tube is the setting of S type, the both ends pipe of heat exchange tube is provided with intake pipe and outlet duct, intake-tube connection has the air purification jar, the outlet duct is connected with the gas holder, the air purification jar with be connected with first air duct and second air duct between the gas holder, be provided with heater and first valve body on the first air duct, be provided with refrigerator and second valve body on the second air duct. The utility model discloses a set up the gas holder, follow heat exchange tube exhaust high temperature gaseous medium at the gas holder storage, then gaseous medium passes through the refrigerator of second vent pipe, cools off this part gaseous medium after again through after air purification jar purifies reentrant the heat exchange tube in with the cooling, realized gaseous medium's used in circulation.
Description
Technical Field
The utility model belongs to the technical field of air separation plant, concretely relates to a heat exchanger for air separation plant.
Background
The air separation equipment is equipment which takes air as a raw material, turns the air into liquid by a compression cycle deep freezing method, and gradually separates and produces inert gases such as oxygen, nitrogen, argon and the like from the liquid air by rectification. At present, air separation equipment produced in China has various forms and types. There are apparatuses for producing gaseous oxygen and nitrogen, and also apparatuses for producing liquid oxygen and nitrogen. However, as for the basic flow, there are mainly four kinds, i.e., high-pressure, medium-pressure, high-low-pressure and full-low-pressure flow. Because the air separation plant is carried out at low temperature, a large number of heat exchangers are used in the air separation plant, wherein the main heat exchanger belongs to a low-temperature exchanger, the temperature of compressed raw material air is high, and an air precooling system reduces the temperature of the air through contact type heat exchange and can wash harmful impurities such as acidic substances and the like in the air separation plant. The molecular sieve purification system further removes substances harmful to the operation of the air separation equipment, such as moisture, carbon dioxide, acetylene, propylene, propane, nitrous oxide and the like in the air, and then purifies and precools the air and enters the main heat exchanger to cool the processing air to be below the critical temperature of the processing air so as to liquefy the processing air.
The air refrigerant used by the existing heat exchanger is directly discharged after heat exchange, which causes the waste of the refrigerant.
To solve the above problems, we have therefore proposed a heat exchanger for an air separation plant.
Disclosure of Invention
In view of the above, the present invention provides a heat exchanger for an air separation plant to solve the above-mentioned problems.
In order to realize above purpose, the utility model discloses a such a heat exchanger for air separation equipment, including the casing, be located the heat exchange assembly of casing, heat exchange assembly includes heat exchange tube and tube sheet, the heat exchange tube is the setting of S type, the tube sheet alternates and is provided with a plurality ofly in the heat exchange tube, the both ends pipe of heat exchange tube is provided with intake pipe and outlet duct, intake-tube connection has the air purification jar, the outlet duct is connected with the gas holder, the air purification jar with be connected with first air duct and second air duct between the gas holder, be provided with heater and first valve body on the first air duct, be provided with refrigerator and second valve body on the second air duct.
The utility model discloses further set up: the heat exchange tube comprises a cylindrical tube and an annular tube, and the cylindrical tube and the annular tube are hollow tubes.
The utility model discloses further set up: the tube plates are arranged in parallel and are inserted in the cylindrical tube in a penetrating mode.
The utility model discloses further set up: and a switch valve is arranged above the air purification tank.
The utility model discloses further set up: and a filter layer is arranged in the air purification tank.
The utility model has the advantages that: the utility model discloses a gas holder has been set up, heat exchange tube exhaust high temperature gaseous medium is followed in gas holder storage, then gaseous medium passes through the refrigerator of second vent pipe, after cooling this part gaseous medium again enter into the heat exchange tube after air purification jar purifies again in with the cooling, the recycling of gaseous medium has been realized, second vent pipe has still been set up in addition, can heat the gaseous medium in the gas holder, to the freezing condition that produces in the heat exchange, directly unfreeze the processing.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Reference numerals: 1. a housing; 2. a heat exchange pipe; 21. a cylindrical tube; 22. an annular tube; 3. a tube sheet; 4. an air inlet pipe; 5. an air outlet pipe; 6. an air purification tank; 7. a gas storage tank; 8. a first vent conduit; 9. a second vent conduit; 10. a heater; 11. a first valve body; 12. a refrigerator; 13. a second valve body; 14. an on-off valve;
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the utility model relates to a heat exchanger for air separation equipment, including casing 11, be located the heat exchange assembly of casing 1, heat exchange assembly includes heat exchange tube 2 and tube sheet 3, heat exchange tube 2 is the setting of S type, 3 interlude of tube sheet are provided with a plurality ofly in heat exchange tube 2, the both ends pipe of heat exchange tube 2 is provided with intake pipe 4 and outlet duct 5, intake pipe 4 is connected with air purification jar 6, outlet duct 5 is connected with gas holder 7, air purification jar 6 with be connected with first pipeline 8 and second pipeline 9 between the gas holder 7, be provided with heater 10 and first valve body 11 on the first pipeline 8, be provided with refrigerator 12 and second valve body 13 on the second pipeline 9.
The heat exchange tube 2 comprises a cylindrical tube 21 and an annular tube 22, and the cylindrical tube 21 and the annular tube 22 are hollow tubes. The tube plate 3 is arranged in parallel and is inserted in the cylindrical tube 21. An on-off valve 14 is arranged above the air purification tank 6. And a filter layer is arranged in the air purification tank 6.
Utility model discloses a gas holder 7 has been set up, the high temperature gas medium of heat exchange tube 2 exhaust is followed in the storage of gas holder 7, then gas medium passes through the refrigerator 12 of second vent pipe 9, cool this part gas medium after passing through again after 6 purifications of air purification jar again enter into heat exchange tube 2 in with the cooling, second vent pipe 9 has still been set up in addition, can heat the gas medium in the gas holder 7, to the freezing condition that produces in the heat exchange, directly unfreeze and handle.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. A heat exchanger for an air separation plant, characterized by: the heat exchange assembly comprises a shell, and is located the heat exchange assembly in the shell, the heat exchange assembly includes heat exchange tube and tube sheet, the heat exchange tube is the setting of S type, the tube sheet alternates and is provided with a plurality ofly in the heat exchange tube, the both ends pipe of heat exchange tube is provided with intake pipe and outlet duct, intake pipe connection has the air purification jar, the outlet duct is connected with the gas holder, the air purification jar with be connected with first air duct and second air duct between the gas holder, be provided with heater and first valve body on the first air duct, be provided with refrigerator and second valve body on the second air duct.
2. A heat exchanger for an air separation plant according to claim 1, characterized in that: the heat exchange tube comprises a cylindrical tube and an annular tube, and the cylindrical tube and the annular tube are hollow tubes.
3. A heat exchanger for an air separation plant according to claim 2, characterized in that: the tube plates are arranged in parallel and are inserted in the cylindrical tube in a penetrating mode.
4. A heat exchanger for an air separation plant according to claim 2, characterized in that: and a switch valve is arranged above the air purification tank.
5. A heat exchanger for an air separation plant according to claim 3, characterized in that: and a filter layer is arranged in the air purification tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020239765.1U CN211782279U (en) | 2020-03-01 | 2020-03-01 | Heat exchanger for air separation plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020239765.1U CN211782279U (en) | 2020-03-01 | 2020-03-01 | Heat exchanger for air separation plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211782279U true CN211782279U (en) | 2020-10-27 |
Family
ID=72901806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020239765.1U Active CN211782279U (en) | 2020-03-01 | 2020-03-01 | Heat exchanger for air separation plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211782279U (en) |
-
2020
- 2020-03-01 CN CN202020239765.1U patent/CN211782279U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205933758U (en) | Condensing vapor recovery system equipment | |
| CN210495768U (en) | Device for recycling dichloromethane of diaphragm of lithium battery by wet process through compression condensation membrane separation technology | |
| CN211601324U (en) | Ortho-para hydrogen conversion system | |
| CN203569054U (en) | Dehumidifying device for converter gas | |
| CN105727681A (en) | Device and processing process for high-boiling-point organic waste gas | |
| CN211782279U (en) | Heat exchanger for air separation plant | |
| CN204865443U (en) | Exhaust gas treating device | |
| CN204138343U (en) | For regenerating the system of hydrogen in polycrystalline silicon tail gas dry recover hydrogen | |
| CN104163404A (en) | Recycling method and device for regenerated waste nitrogen in nitrogen purification process | |
| CN213238140U (en) | Air separation system | |
| CN2873282Y (en) | Organic waste gas condensation method recovery device | |
| CN211096320U (en) | Ozone disinfection device | |
| CN112275097A (en) | VOCs recovery system and recovery method thereof | |
| CN215113354U (en) | Pure water cooling device | |
| CN102080920B (en) | Method for separating nitrogen oxides from industrial waste gas by low-temperature refrigerators | |
| CN214039078U (en) | Condensing agent cooling device for primary amine production | |
| CN206597339U (en) | Freezing machine for organic solvent recuperation of heat | |
| CN113153524B (en) | Gas turbine inlet air cooling and carbon capture system utilizing liquefied natural gas cold energy | |
| CN2195972Y (en) | Equipment for drying gases or vapours | |
| CN220669814U (en) | Recovery processing device for volatile gas of methylene dichloride | |
| CN219333675U (en) | Tritium-containing tail gas treatment system | |
| CN217391969U (en) | Dichloromethane recovery system for wet lithium battery diaphragm device | |
| CN213761193U (en) | VOCs recovery system | |
| CN218130053U (en) | LNG cold energy is used for recovery unit that flue gas desublimated | |
| CN212999205U (en) | Movable desorption adsorption saturated active carbon device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |