CN219474349U - Reaction gas cooler for MTO device - Google Patents
Reaction gas cooler for MTO device Download PDFInfo
- Publication number
- CN219474349U CN219474349U CN202320932237.8U CN202320932237U CN219474349U CN 219474349 U CN219474349 U CN 219474349U CN 202320932237 U CN202320932237 U CN 202320932237U CN 219474349 U CN219474349 U CN 219474349U
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- CN
- China
- Prior art keywords
- reaction gas
- gas cooler
- flow pipe
- heat flow
- pipe
- Prior art date
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/40—Ethylene production
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a reaction gas cooler for an MTO device, which comprises a reaction gas cooler, wherein a plurality of baffle plates are arranged in the reaction gas cooler, one end of the top of the reaction gas cooler is connected with a first heat flow pipe and a second heat flow pipe, the other end of the top of the reaction gas cooler is connected with a third heat flow pipe, and the first heat flow pipe, the second heat flow pipe and the third heat flow pipe are all connected with a steam drum. According to the utility model, the reaction gas cooler equipment and the steam drum are modified, a steam return line is led out from the shell side at the upper part of the reaction gas cooler body, and then the steam return line returns to the steam drum, so that the medium gasified by the rightmost cold flow can directly return to the steam drum, the rightmost baffle plate is prevented from being far away from the tube plate at the outlet of the cooler, and a gas-liquid unstable item is generated after long-time operation, so that the tail end of the tube is cracked, the service life of the equipment is influenced, and the production stability is improved.
Description
Technical Field
The utility model relates to the field of reaction gas coolers, in particular to a reaction gas cooler for an MTO device.
Background
As shown in figure 2 of the specification, the right-most baffle plate is far away from the outlet tube plate of the cooler, in the actual operation process, the right-most cold flow is heated and is upwards and then leftwards deflected approximately along the dotted line direction, gas phase is easy to accumulate above the outlet of the cooler after the cold flow exchanges heat, a heat exchange tube bundle is influenced by the mixed gas and liquid phase flowing at high speed, and cracks are generated at the tail end of the tube section (namely the expansion joint of the outlet tube plate and the tube joint) due to frequent vibration, so that the heat exchange tube leaks at the expansion welding joint in the tube plate; to this end, a reaction gas cooler for an MTO apparatus is provided.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art and provides a reaction gas cooler for an MTO device, so as to solve the problems of the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the reaction gas cooler for the MTO device comprises a reaction gas cooler, a plurality of baffle plates are arranged in the reaction gas cooler, one end of the top of the reaction gas cooler is connected with a first heat flow pipe and a second heat flow pipe, the other end of the top of the reaction gas cooler is connected with a third heat flow pipe, and the first heat flow pipe, the second heat flow pipe and the third heat flow pipe are all connected with a steam drum.
As a preferable technical scheme of the utility model, one side of the bottom of the reaction gas cooler is connected with a first cold flow pipe, and the other side of the bottom of the reaction gas cooler is connected with a second cold flow pipe.
As a preferable technical scheme of the utility model, one end of the reaction gas cooler is provided with an air inlet pipe, and the other end of the reaction gas cooler is provided with an air outlet pipe.
As a preferable technical scheme of the utility model, the top of the reaction gas cooler is connected with the steam drum through a first heat flow pipe, a second heat flow pipe and a third heat flow pipe.
As a preferable technical scheme of the utility model, the first hot flow pipe, the second hot flow pipe, the third hot flow pipe, the first cold flow pipe and the second cold flow pipe are all welded and connected with the reaction gas cooler.
The beneficial effects of the utility model are as follows: according to the utility model, the reaction gas cooler equipment and the steam drum are modified, a steam return line is led out from the shell side at the upper part of the reaction gas cooler body, and then the steam return line returns to the steam drum, so that the medium gasified by the rightmost cold flow can directly return to the steam drum, the rightmost baffle plate is prevented from being far away from the tube plate at the outlet of the cooler, and a gas-liquid unstable item is generated after long-time operation, so that the tail end of the tube is cracked, the service life of the equipment is influenced, and the production stability is improved.
The utility model can greatly reduce the influence of the gas-liquid mixed phase flowing at high speed in the operation process of the cooler; therefore, cracks are generated at the tail end of the pipe section (namely the expansion joint of the outlet pipe plate and the pipe joint) due to frequent vibration, so that the heat exchange pipe leaks at the expansion joint in the pipe plate, and the purpose of optimizing the operation of the cooler is achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of a reaction gas cooler according to the present utility model;
FIG. 2 is a schematic diagram of a reaction gas cooler according to the background of the utility model.
In the figure: the reaction gas cooler 1, the first heat flow pipe 2, the second heat flow pipe 3, the steam drum 4, the third heat flow pipe 5, the first cold flow pipe 6, the second cold flow pipe 7 and the baffle plate 8.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Examples: referring to fig. 1, a reaction gas cooler for an MTO device includes a reaction gas cooler 1, a plurality of baffle plates 8 are installed in the reaction gas cooler 1, one end of the top of the reaction gas cooler 1 is connected with a first heat flow pipe 2 and a second heat flow pipe 3, the other end of the top of the reaction gas cooler 1 is connected with a third heat flow pipe 5, and the first heat flow pipe 2, the second heat flow pipe 3 and the third heat flow pipe 5 are all connected with a steam drum 4.
One side of the bottom of the reaction gas cooler 1 is connected with a first cold flow pipe 6, and the other side of the bottom of the reaction gas cooler 1 is connected with a second cold flow pipe 7.
One end of the reaction gas cooler 1 is provided with an air inlet pipe, and the other end of the reaction gas cooler 1 is provided with an air outlet pipe.
The top of the reaction gas cooler 1 is connected to a steam drum 4 through a first heat flow pipe 2, a second heat flow pipe 3 and a third heat flow pipe 5.
The first heat flow pipe 2, the second heat flow pipe 3, the third heat flow pipe 5, the first cold flow pipe 6 and the second cold flow pipe 7 are all welded with the reaction gas cooler 1.
Working principle: the utility model provides a reaction gas cooler for MTO device, including reaction gas cooler 1, first heat flow tube 2, second heat flow tube 3, steam pocket 4, third heat flow tube 5, first cold flow tube 6, second cold flow tube 7, baffle 8, when using, the gaseous phase that produces in the reaction gas cooler 1 is carried in through first heat flow tube 2 at top, second heat flow tube 3 and third heat flow tube 5 to steam pocket 4, introduce third heat flow tube 5, can let the medium after the cold flow gasification of rightmost can directly return steam pocket 4, do not need to enter into steam pocket 4 through first heat flow tube 2 or second heat flow tube 3 of leftmost, avoided long-time operation to produce the gas-liquid unstable item, lead to the pipe end fracture, influence equipment life and production stability.
According to the utility model, the reaction gas cooler equipment and the steam drum are modified, a steam return line is led out from the shell side at the upper part of the reaction gas cooler body, and then the steam return line returns to the steam drum, so that the medium gasified by the rightmost cold flow can directly return to the steam drum, the rightmost baffle plate is prevented from being far away from the tube plate at the outlet of the cooler, and a gas-liquid unstable item is generated after long-time operation, so that the tail end of the tube is cracked, the service life of the equipment is influenced, and the production stability is improved.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (5)
1. A reaction gas cooler for an MTO apparatus, comprising a reaction gas cooler (1), characterized in that: the inside of reaction gas cooler (1) is installed a plurality of baffling board (8), the top one end of reaction gas cooler (1) is connected with first heat flow pipe (2) and second heat flow pipe (3), the top other end of reaction gas cooler (1) is connected with third heat flow pipe (5), first heat flow pipe (2), second heat flow pipe (3) and third heat flow pipe (5) all link to each other with steam pocket (4).
2. A reaction gas cooler for MTO apparatus according to claim 1, wherein: one side of the bottom of the reaction gas cooler (1) is connected with a first cold flow pipe (6), and the other side of the bottom of the reaction gas cooler (1) is connected with a second cold flow pipe (7).
3. A reaction gas cooler for MTO apparatus according to claim 1, wherein: one end of the reaction gas cooler (1) is provided with an air inlet pipe, and the other end of the reaction gas cooler (1) is provided with an air outlet pipe.
4. A reaction gas cooler for MTO apparatus according to claim 1, wherein: the top of the reaction gas cooler (1) is connected with a steam drum (4) through a first heat flow pipe (2), a second heat flow pipe (3) and a third heat flow pipe (5).
5. A reaction gas cooler for MTO apparatus according to claim 1, wherein: the first heat flow pipe (2), the second heat flow pipe (3), the third heat flow pipe (5), the first cold flow pipe (6) and the second cold flow pipe (7) are all connected with the reaction gas cooler (1) in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320932237.8U CN219474349U (en) | 2023-04-23 | 2023-04-23 | Reaction gas cooler for MTO device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320932237.8U CN219474349U (en) | 2023-04-23 | 2023-04-23 | Reaction gas cooler for MTO device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219474349U true CN219474349U (en) | 2023-08-04 |
Family
ID=87462508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320932237.8U Active CN219474349U (en) | 2023-04-23 | 2023-04-23 | Reaction gas cooler for MTO device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219474349U (en) |
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2023
- 2023-04-23 CN CN202320932237.8U patent/CN219474349U/en active Active
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