CN210036349U - Horizontal pipe gas cooler - Google Patents
Horizontal pipe gas cooler Download PDFInfo
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- CN210036349U CN210036349U CN201920874212.0U CN201920874212U CN210036349U CN 210036349 U CN210036349 U CN 210036349U CN 201920874212 U CN201920874212 U CN 201920874212U CN 210036349 U CN210036349 U CN 210036349U
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Abstract
The utility model discloses a cooler especially discloses a violently manage coal gas cooler, belongs to coal gas production and carries equipment manufacturing and designing technical field. The transverse pipe gas cooler is small in leakage risk and convenient to overhaul. The transverse pipe gas cooler comprises a gas overflowing cooling channel formed by pipe plates, and at least three groups of serpentine heat exchange tubes, wherein each pipe plate forming the gas overflowing cooling channel is of an integral structure along the length direction, and the two ends of each group of serpentine heat exchange tubes are respectively connected with the pipe plates of the gas overflowing cooling channel of the integral structure, which are positioned at the gas input end and the gas output end.
Description
Technical Field
The utility model relates to a cooler especially relates to a violently manage coal gas cooler, belongs to coal gas production and carries equipment manufacturing and designing technical field.
Background
A conventional horizontal tube gas cooler is shown in fig. 1. Taking a transverse pipe gas cooler with the heat exchange area of 4000m2 as an example, the whole transverse pipe gas cooler is divided into an upper section and a lower section, wherein the upper section is provided with 24 tube plates, the total number of the heat exchange tubes is 4048, the lower section is provided with 17 tube plates, and the total number of the heat exchange tubes is 2944. The two ends of each heat exchange tube are in expanded joint or welded with the tube plate, and 13984 joints are shared in total, and because the number of the joints is large, the quality of the joints is difficult to control no matter the expansion joint or the welding is performed, and the leakage probability is increased. In addition, because the number of the joints is huge, the leakage detection or the overhaul of the primary cooler is difficult, the leakage detection or the overhaul period is long, and the production stability is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the transverse pipe gas cooler is small in leakage risk and convenient to overhaul.
The technical scheme adopted for solving the technical problems is as follows: a transverse pipe gas cooler comprises a gas overflowing cooling channel formed by pipe plates, and further comprises at least three groups of serpentine heat exchange tubes, wherein each pipe plate forming the gas overflowing cooling channel is of an integral structure along the length direction, and the two ends of each group of serpentine heat exchange tubes are respectively connected with the pipe plates of the gas overflowing cooling channel, which are of the integral structure, positioned at a gas input end and a gas output end.
Furthermore, the coal gas overflowing cooling channel sequentially comprises a low-temperature coal gas overflowing cooling channel section and a high-temperature coal gas overflowing cooling channel section from bottom to top along the height direction, all tube plates forming the low-temperature coal gas overflowing cooling channel section are of an integrated structure along the length direction, and all tube plates forming the high-temperature coal gas overflowing cooling channel section are of an integrated structure along the length direction; the low-temperature coal gas overflowing cooling channel section and the high-temperature coal gas overflowing cooling channel section are detachably and tightly connected into a whole along the coal gas overflowing direction.
In a preferred mode of the scheme, a set of low-temperature serpentine heat exchange tube group consisting of a plurality of serpentine heat exchange tubes is arranged in the low-temperature coal gas overflowing cooling channel section, and each serpentine heat exchange tube of the low-temperature serpentine heat exchange tube group is connected with tube plates of the low-temperature coal gas overflowing cooling channel section, which is of an integrated structure, at a gas input end and a gas output end through two ends of the serpentine heat exchange tube.
Furthermore, along the height direction, the high-temperature coal gas overflowing cooling channel section is divided into an inlet section and an outlet section, the high-temperature coal gas overflowing cooling channel section and the low-temperature coal gas overflowing cooling channel section are detachably connected with each other in a sealed mode along the coal gas overflowing direction to form a whole, the high-temperature coal gas overflowing cooling channel section is communicated with an external high-temperature coal gas conveying pipeline through the inlet section, and the inlet section and the outlet section are detachably connected with each other in a sealed mode to form a whole.
The preferred mode of the above scheme is that along the height direction, a set of high-temperature snakelike heat exchange tube sets composed of a plurality of snakelike heat exchange tubes are respectively arranged in the inlet section and the outlet section, the two sets of high-temperature snakelike heat exchange tube sets are sequentially communicated along the height direction, each snakelike heat exchange tube of the set of high-temperature snakelike heat exchange tube set arranged in the inlet section is respectively connected with tube plates of the inlet section, which are positioned at the gas input end and the gas output end, through two ends of the snakelike heat exchange tube of the set of high-temperature snakelike heat exchange tube set arranged in the outlet section, and each snakelike heat exchange tube of the set of high-temperature snakelike heat exchange tube set arranged in the outlet section is respectively connected with tube plates of.
Furthermore, each serpentine heat exchange tube arranged in the low-temperature coal gas overflowing cooling channel section is respectively communicated with an external low-temperature circulating cooling water conveying system, and each serpentine heat exchange tube arranged in the high-temperature coal gas overflowing cooling channel section is respectively communicated with an external high-temperature circulating cooling water conveying system.
The utility model has the advantages that: this application improves the snakelike heat exchange tube of the limited group that is much less for a large amount of heat exchange tubes of a lot of for a lot of through respectively with current direct welding or expanded joint on polylith tube sheet to will constitute each tube sheet that coal gas overflows cooling channel is along length direction and is set up an organic whole structure, then will each group snakelike heat exchange tube through its both ends respectively with an organic whole structure coal gas overflows the tube sheet connection that cooling channel is located gas input end and gas output end. Therefore, the connection joints of the heat exchange tubes and the tube plates are greatly reduced, and the connection joints are respectively arranged on the tube plates of which the coal gas overflowing cooling channels are positioned at the gas input end and the gas output end, so that the leakage probability is effectively reduced due to the reduction of the joints, and the joints are positioned at the end parts, so that the maintenance can be facilitated.
Drawings
FIG. 1 is a schematic structural view of a conventional horizontal tube gas cooler according to the present invention;
FIG. 2 is a schematic view of the structure of the horizontal tube gas cooler of the present invention;
fig. 3 is a view of part I of fig. 2.
Labeled as: the device comprises a tube plate 1, a coal gas overflowing cooling channel 2, a serpentine heat exchange tube 3, a low-temperature coal gas overflowing cooling channel section 4, a high-temperature coal gas overflowing cooling channel section 5, an inlet section 6 and an outlet section 7.
Detailed Description
As shown in fig. 2 and fig. 3, the utility model provides a horizontal pipe gas cooler with small leakage risk and convenient maintenance. The transverse pipe gas cooler comprises a gas overflowing cooling channel 2 formed by pipe plates 1, and at least three groups of serpentine heat exchange tubes 3, wherein each pipe plate 1 forming the gas overflowing cooling channel 2 is of an integral structure along the length direction, and each group of serpentine heat exchange tubes 3 are respectively connected with the pipe plates 1 of the gas overflowing cooling channel 2, which are positioned at the gas input end and the gas output end, of the integral structure through two ends of the serpentine heat exchange tubes 3. This application improves the snakelike heat exchange tube of the limited group that is much less for a large amount of heat exchange tubes of a lot of for a lot of through respectively with current direct welding or expanded joint on polylith tube sheet to will constitute each tube sheet that coal gas overflows cooling channel is along length direction and is set up an organic whole structure, then will each group snakelike heat exchange tube through its both ends respectively with an organic whole structure coal gas overflows the tube sheet connection that cooling channel is located gas input end and gas output end. Therefore, the connection joints of the heat exchange tubes and the tube plates are greatly reduced, and the connection joints are respectively arranged on the tube plates of which the coal gas overflowing cooling channels are positioned at the gas input end and the gas output end, so that the leakage probability is effectively reduced due to the reduction of the joints, and the joints are positioned at the end parts, so that the maintenance can be facilitated.
In the above embodiment, according to the sequence of gas cooling, in order to improve the cooling effect and the cooling efficiency, the gas overflowing cooling channel 2 is sequentially divided into a low-temperature gas overflowing cooling channel section 4 and a high-temperature gas overflowing cooling channel section 5 from bottom to top along the height direction, each tube plate 1 constituting the low-temperature gas overflowing cooling channel section 4 is of an integral structure along the length direction, and each tube plate 1 constituting the high-temperature gas overflowing cooling channel section 5 is of an integral structure along the length direction; and then in the integral installation, the low-temperature coal gas overflowing cooling channel section 4 and the high-temperature coal gas overflowing cooling channel section 5 are detachably and tightly connected into a whole along the coal gas overflowing direction. Correspondingly, in order to facilitate installation, a set of low-temperature snakelike heat exchange tube group consisting of a plurality of snakelike heat exchange tubes 3 is also arranged in the low-temperature coal gas overflowing cooling channel section 4, and each snakelike heat exchange tube 3 of the low-temperature snakelike heat exchange tube group is respectively connected with the tube plates 1 of the low-temperature coal gas overflowing cooling channel section 4 with an integrated structure, wherein the tube plates are positioned at a gas input end and a gas output end.
Furthermore, in order to maximize the cooling effect at high temperature, the high-temperature gas overflowing cooling channel section 5 is divided into an inlet section 6 and an outlet section 7 along the height direction, the high-temperature gas overflowing cooling channel section 5 is detachably and tightly connected with the low-temperature gas overflowing cooling channel section 4 into a whole through the outlet section 7, the high-temperature gas overflowing cooling channel section 5 is communicated with an external high-temperature gas conveying pipeline through the inlet section 6, and the inlet section 6 and the outlet section 7 are detachably and tightly connected into a whole. Correspondingly, along the height direction, a set of high-temperature snakelike heat exchange tube sets consisting of a plurality of snakelike heat exchange tubes 3 are respectively arranged in the inlet section 6 and the outlet section 7, the two sets of high-temperature snakelike heat exchange tube sets are sequentially communicated along the height direction, each snakelike heat exchange tube of the set of high-temperature snakelike heat exchange tube sets arranged in the inlet section 6 is respectively connected with the tube plate 1 of the inlet section 6, which is positioned at the gas input end and the gas output end, through two ends of each snakelike heat exchange tube 3 of the set of high-temperature snakelike heat exchange tube sets arranged in the outlet section 7, and the two ends of each snakelike heat exchange tube 3 of the set of high-temperature snakelike heat exchange tube sets are respectively connected with the tube plate 3 of the outlet section 7.
Of course, in the connection with the external connection cooling water conveying system, each serpentine heat exchange tube 3 arranged in the low-temperature coal gas overflowing cooling channel section 4 is respectively communicated with the external low-temperature circulating cooling water conveying system, and each serpentine heat exchange tube 3 arranged in the high-temperature coal gas overflowing cooling channel section 5 is respectively communicated with the external high-temperature circulating cooling water conveying system.
In summary, the gas cooler with the structure provided by the application for cooling the gas has the following advantages,
the straight heat exchange tube in the traditional horizontal tube gas cooler is changed into the serpentine heat exchange tube, so that the upper section of the horizontal tube gas cooler is only provided with 4 tube plates, the lower section of the horizontal tube gas cooler is only provided with 2 tube plates, the number of joints of the heat exchange tube and the tube plates is greatly reduced, the horizontal tube gas cooler with the heat exchange area of 4000m2 is taken as an example, the number of the joints of the heat exchange tube connected with the tube plates is reduced to 1104, the number of the joints is reduced by 92.11 percent compared with that of the traditional primary cooler with the same heat exchange area, and the probability of corrosion.
Example one
As shown in fig. 2 and 3, the coke oven gas enters from the top of the horizontal tube gas cooler, flows from top to bottom, exchanges heat with circulating water in the upper serpentine heat exchange tube and then exchanges heat with low-temperature water in the lower serpentine heat exchange tube, and finally cooled coke oven gas is discharged from a connecting tube at the bottom of the horizontal tube gas cooler and sent to the next working procedure. The lower section of low-temperature water enters from the low-temperature water upper water pipe, flows in the lower section of serpentine heat exchange pipe from bottom to top, exchanges heat with coke oven gas outside the lower section of serpentine heat exchange pipe, is discharged from the low-temperature water return pipe, and enters the next working procedure. The upper section of circulating water enters from the circulating water upper water pipe, flows in the upper section of serpentine heat exchange pipe from bottom to top, exchanges heat with coke oven gas outside the upper section of serpentine heat exchange pipe, is discharged from the circulating water return pipe, and enters the next working procedure.
Claims (6)
1. The utility model provides a horizontal pipe gas cooler, includes gas overflowing cooling channel (2) that comprises tube sheet (1), its characterized in that: the transverse pipe gas cooler further comprises at least three groups of serpentine heat exchange tubes (3), each tube plate (1) forming the gas overflowing cooling channel (2) is of an integral structure along the length direction, and the two ends of each group of serpentine heat exchange tubes (3) are respectively connected with the tube plates (1) of the gas overflowing cooling channel (2) of the integral structure, wherein the tube plates are located at the gas input end and the gas output end.
2. The cross-tube gas cooler of claim 1, wherein: the coal gas overflowing cooling channel (2) sequentially comprises a low-temperature coal gas overflowing cooling channel section (4) and a high-temperature coal gas overflowing cooling channel section (5) from bottom to top along the height direction, all tube plates (1) forming the low-temperature coal gas overflowing cooling channel section (4) are of an integrated structure along the length direction, and all tube plates (1) forming the high-temperature coal gas overflowing cooling channel section (5) are of an integrated structure along the length direction; the low-temperature coal gas overflowing cooling channel section (4) and the high-temperature coal gas overflowing cooling channel section (5) are detachably and tightly connected into a whole along the coal gas overflowing direction.
3. The cross-tube gas cooler of claim 2, wherein: a set of low-temperature snakelike heat exchange tube group consisting of a plurality of snakelike heat exchange tubes is arranged in the low-temperature coal gas overflowing cooling channel section (4), and each snakelike heat exchange tube of the low-temperature snakelike heat exchange tube group is connected with the tube plate (1) of the low-temperature coal gas overflowing cooling channel section (4) at the gas input end and the gas output end through two ends of the snakelike heat exchange tube.
4. The cross-tube gas cooler according to claim 2 or 3, characterized in that: the high-temperature coal gas overflowing cooling channel section (5) is divided into an inlet section (6) and an outlet section (7) along the height direction, the high-temperature coal gas overflowing cooling channel section (5) and the low-temperature coal gas overflowing cooling channel section (4) are detachably connected into a whole in a closely connected mode along the coal gas overflowing direction through the outlet section (7), the high-temperature coal gas overflowing cooling channel section (5) is communicated with an external high-temperature coal gas conveying pipeline through the inlet section (6), and the inlet section (6) and the outlet section (7) are detachably connected into a whole in a closely connected mode.
5. The cross-tube gas cooler of claim 4, wherein: along the height direction, a set of high-temperature snakelike heat exchange tube set consisting of a plurality of snakelike heat exchange tubes is respectively arranged in the inlet section (6) and the outlet section (7), the two sets of high-temperature snakelike heat exchange tube sets are sequentially communicated along the height direction, each snakelike heat exchange tube of the set arranged in the inlet section (6) is respectively connected with the tube plate (1) of the inlet section (6) positioned at the gas input end and the gas output end through two ends of the snakelike heat exchange tube, and each snakelike heat exchange tube of the set arranged in the outlet section (7) is respectively connected with the tube plate (1) of the outlet section (7) positioned at the gas input end and the gas output end through two ends of the snakelike heat exchange tube.
6. The cross-tube gas cooler of claim 5, wherein: and each serpentine heat exchange tube (3) arranged in the low-temperature coal gas overflowing cooling channel section (4) is respectively communicated with an external low-temperature circulating cooling water conveying system, and each serpentine heat exchange tube (3) arranged in the high-temperature coal gas overflowing cooling channel section (5) is respectively communicated with an external high-temperature circulating cooling water conveying system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920874212.0U CN210036349U (en) | 2019-06-11 | 2019-06-11 | Horizontal pipe gas cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920874212.0U CN210036349U (en) | 2019-06-11 | 2019-06-11 | Horizontal pipe gas cooler |
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| CN210036349U true CN210036349U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920874212.0U Active CN210036349U (en) | 2019-06-11 | 2019-06-11 | Horizontal pipe gas cooler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2595907A (en) * | 2020-06-11 | 2021-12-15 | Csk Inc | Dry gas scrubber |
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2019
- 2019-06-11 CN CN201920874212.0U patent/CN210036349U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2595907A (en) * | 2020-06-11 | 2021-12-15 | Csk Inc | Dry gas scrubber |
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