CN217303676U - Novel rapid cooling heat exchanger - Google Patents

Novel rapid cooling heat exchanger Download PDF

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Publication number
CN217303676U
CN217303676U CN202221082922.8U CN202221082922U CN217303676U CN 217303676 U CN217303676 U CN 217303676U CN 202221082922 U CN202221082922 U CN 202221082922U CN 217303676 U CN217303676 U CN 217303676U
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China
Prior art keywords
pipe
bottom plate
blow
heat exchanger
plate
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CN202221082922.8U
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Inventor
安发亮
李金科
刘韫砚
孙建兵
李宁
康翼
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Tianhua Institute Nanjing Intelligent Manufacturing Co ltd
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Tianhua Institute Nanjing Intelligent Manufacturing Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency

Abstract

The utility model belongs to the technical field of the rapid cooling heat exchanger, a novel rapid cooling heat exchanger is disclosed, this novel rapid cooling heat exchanger includes the casing, water conservancy diversion device and first blow-off pipe, the bottom plate of water conservancy diversion device is fixed in the casing, first blow-off pipe wears to locate the casing, and the first end of first blow-off pipe wears to locate the bottom plate, be equipped with the recess on the terminal surface of first end, the height that highly is less than first end of the second end of first blow-off pipe, impurity on the bottom plate can be under the effect of rivers in the casing, the mouth of pipe through recess and first end gets into first blow-off pipe, and by the first blow-off pipe of the mouth of pipe discharge of second end, realize the cleaing away of impurity on the bottom plate.

Description

Novel rapid cooling heat exchanger
Technical Field
The utility model relates to a rapid cooling heat exchanger technical field especially relates to a novel rapid cooling heat exchanger.
Background
The quenching heat exchanger is a key equipment in the ethylene cracking device, in order to realize the guiding function of the cooling water entering the quenching heat exchanger, a guiding device is usually installed in the shell of the quenching heat exchanger and near the inlet, as shown in fig. 1 to fig. 3, the guiding device 200 ' includes a cover plate 210 ', a guiding plate 220 ' and a bottom plate 230 ', the bottom plate 230 ' is coaxially arranged with the shell 100 ', a gap is left between the side wall of the bottom plate 230 ' and the inner wall of the shell 100 ', the cover plate 210 ' is approximately in a semi-annular structure, the outer side wall of the cover plate 210 ' is connected with the inner wall of the shell 100 ', the guiding plate 220 ' is approximately in a semi-barrel structure, one end of the guiding plate 220 ' is connected with the inner side wall of the cover plate 210 ', and the other end is connected with the bottom plate 230 '.
After cooling water enters the housing 100 'through the water inlet 110', the cooling water flows downward to the tube plate 300 'through a first gap (a cover plate 210' is arranged above the first gap) between the bottom plate 230 'and the housing 100' under the action of the flow guide device 200 ', and forms a water-vapor mixture after heat exchange with a high-temperature medium in the heat exchange tube, and then flows upward through a second gap (the cover plate 210' is not arranged above the second gap) between the bottom plate 230 'and the housing 100', thereby completing the flow guide effect on the cooling water.
After the rapid cooling heat exchanger operates for a period of time, more impurities are accumulated on the bottom plate 230', and the impurities affect the heat exchange efficiency between the cooling water and the heat exchange tube, so that the heat exchange efficiency of the rapid cooling heat exchanger is reduced; if the impurities are attached to the outer wall of the heat exchange tube, the problem that the heat exchange tube leaks due to oxidation corrosion is easy to occur, and then the quenching heat exchanger needs to be stopped for maintenance, so that the use is influenced. Therefore, it is desirable to provide a novel quenching heat exchanger to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel rapid cooling heat exchanger, its first blow-off pipe can clear away the impurity on the bottom plate, and then has the effect that improves cooling water and heat exchange tube heat exchange efficiency.
To achieve the purpose, the utility model adopts the following technical proposal:
a novel quench heat exchanger comprising:
a housing;
the flow guide device comprises a bottom plate, and the bottom plate is fixed in the shell;
the first sewage discharge pipe penetrates through the shell, the first sewage discharge pipe comprises a first end and a second end, the first end penetrates through the bottom plate, a groove is formed in the end face of the first end, the height of the second end is lower than that of the first end, impurities on the bottom plate can enter the first sewage discharge pipe through the groove and the pipe orifice of the first end, and the first sewage discharge pipe is discharged through the pipe orifice of the second end.
Optionally, the depth of the groove is greater than or equal to the length of the first end extending out of the base plate.
Optionally, the number of grooves is plural.
Optionally, the plurality of grooves are uniformly arranged along the circumference of the first end.
Optionally, the number of the first drain pipes is plural, and the first ends of the plural first drain pipes are disposed through the bottom plate at intervals.
Optionally, the guiding device further comprises a guiding plate, the guiding plate is fixedly connected with the bottom plate, and the first end is close to the joint of the guiding plate and the bottom plate.
Optionally, novel rapid cooling heat exchanger still includes tube sheet and second blow off pipe, and the tube sheet is fixed in the casing, and the tube sheet is located the below of bottom plate, and the casing is worn to locate by the second blow off pipe, and the second blow off pipe is close to in the tube sheet, and the blowoff hole has been seted up to the bottom plate, and impurity on the bottom plate can drop on the tube sheet through the blowoff hole to through second blow off pipe discharge casing.
Optionally, the drain hole and the first end are respectively disposed at two ends of the bottom plate along a radial direction of the bottom plate.
Optionally, novel rapid cooling heat exchanger still includes the collecting pipe, and second end and second blow off pipe all communicate with the collecting pipe, are equipped with the drain on the collecting pipe for impurity discharges.
Optionally, the number of the sewage draining holes is multiple, and the multiple sewage draining holes are arranged at intervals.
Has the advantages that:
the utility model provides a novel rapid cooling heat exchanger, the first blow-off pipe of casing is worn to locate in the setting, and the bottom plate in the casing is worn to locate to the first end of first blow-off pipe, set up the recess on the terminal surface of first end, the second end of first blow-off pipe is located the outside of casing, and the height that highly is less than first end of second end, impurity on the bottom plate can be under the effect of casing rivers, the mouth of pipe through recess and first end gets into first blow-off pipe, flow to the second end by first end in first blow-off pipe, the first blow-off pipe of mouth of pipe discharge by the second end again, realize the cleaing away of impurity on the bottom plate, the heat exchange efficiency between cooling water and the heat exchange tube in the casing has been improved, and then have the effect that improves rapid cooling heat exchanger heat exchange efficiency, and, can also avoid leading to the heat exchange tube to take place the problem of leaking because impurity adheres to on the outer wall of heat exchange tube. On the other hand, set up the recess on the terminal surface of first end, enlarged the circulation face area that impurity got into first blow-off pipe, and then improved the ability that first blow-off pipe cleared away impurity to the first end that can also avoid first blow-off pipe is by the problem of impurity jam.
Drawings
FIG. 1 is a schematic view of a partial configuration of a quench heat exchanger of the prior art;
FIG. 2 is a first schematic view of a prior art flow guiding device;
FIG. 3 is a schematic structural diagram of a flow guiding device in the prior art;
FIG. 4 is a schematic view of a partial structure of a quench heat exchanger provided in the present embodiment;
FIG. 5 is a sectional view of a first end of the present embodiment;
FIG. 6 is a sectional view taken along line A-A of FIG. 5;
fig. 7 is a schematic view of an assembly structure of the housing, the bottom plate, and the baffle provided in this embodiment.
In the figure:
100', a housing; 110', a water inlet; 200', a flow guiding device; 210', a cover plate; 220', a flow guide plate; 230', a bottom plate; 300', a tube sheet;
100. a housing; 210. a base plate; 211. a sewage draining hole; 212. a first through hole; 213. a second through hole; 220. a baffle; 230. a cover plate; 300. a first drain pipe; 310. a first end; 311. a groove; 320. a second end; 400. a tube sheet; 500. a second sewage draining pipe; 610. a collector pipe; 620. a third sewage discharge pipe; 710. a first gap; 720. a second gap.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. 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 present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element 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 invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
This embodiment provides a novel rapid cooling heat exchanger, and its first blow-off pipe can clear away the impurity on the bottom plate, and then has the effect that improves cooling water and heat exchange tube heat exchange efficiency.
Specifically, as shown in fig. 4 and 5, the novel quenching heat exchanger includes a housing 100, a flow guide device and a first exhaust pipe 300, the flow guide device includes a bottom plate 210, the bottom plate 210 is fixed in the housing 100, the first exhaust pipe 300 is inserted into the housing 100, the first exhaust pipe 300 includes a first end 310 and a second end 320, the first end 310 is inserted into the bottom plate 210, a groove 311 is formed on an end surface of the first end 310, the height of the second end 320 is lower than that of the first end 310, and impurities on the bottom plate 210 can enter the first exhaust pipe 300 through the groove 311 and a pipe orifice of the first end 310 and be discharged out of the first exhaust pipe 300 through a pipe orifice of the second end 320.
The novel rapid cooling heat exchanger provided by the embodiment is provided with the first drain pipe 300 penetrating through the shell 100, and the first end 310 of the first drain pipe 300 is inserted into the bottom plate 210, the second end 320 of the first drain pipe 300 is positioned outside the housing 100, and the height of the second end 320 is lower than that of the first end 310, a groove 311 is formed on the end surface of the first end 310, and as the cooling water flows in the housing 100, impurities on the bottom plate 210 can enter the first drain pipe 300 through the groove 311 and the pipe opening of the first end 310 under the action of the water flow, flows from the first end 310 to the second end 320 in the first exhaust pipe 300, and is discharged out of the first exhaust pipe 300 through the pipe orifice of the second end 320, thereby removing impurities on the bottom plate 210, improving the heat exchange efficiency between cooling water and the heat exchange pipe in the shell 100, and then have the effect that improves quenching heat exchanger heat exchange efficiency to, can also avoid leading to the problem that the heat exchange tube takes place to leak because impurity adheres to on the outer wall of heat exchange tube. On the other hand, set up recess 311 on the terminal surface of first end 310, enlarged the circulation area that impurity got into first blow-off pipe 300 for more impurity can get into first blow-off pipe 300 fast in the short time, improved the ability that first blow-off pipe 300 cleared away impurity, and can also avoid the problem that first end 310 of first blow-off pipe 300 is blockked up by impurity.
Preferably, the depth of the groove 311 is greater than or equal to the length of the first end 310 extending out of the bottom plate 210, which is beneficial for impurities to fall into the first drain pipe 300 through the groove 311, and prevents the impurities from being retained between the bottom of the groove 311 and the bottom plate 210, thereby improving the ability of the first drain pipe 300 to remove impurities.
Further, the length of the first end 310 extending out of the bottom plate 210 (i.e., the depth of the groove 311) is 2-6mm, which may be, for example, 2mm, 5mm, or 6mm, and not only can the first end 310 be reliably connected with the bottom plate 210 to prevent the first end 310 from falling off the bottom plate 210, but also can the flow of the cooling water from being disturbed due to the fact that the first end 310 extends out of the bottom plate 210 by too much length to affect the heat exchange between the cooling water and the heat exchange tube.
Alternatively, as shown in fig. 4 to 6, the number of the grooves 311 is plural, thereby increasing an entry passage of the foreign substances into the first drain pipe 300 to improve the efficiency of removing the foreign substances by the first drain pipe 300. In the technical solution provided by this embodiment, four grooves 311 are provided, and in the technical solutions provided by other embodiments, the number of the grooves 311 may also be three, five, six, and the like, which is determined according to data such as the pipe diameter size of the first exhaust pipe 300.
Further, as shown in fig. 4 to 6, the plurality of grooves 311 are uniformly arranged along the circumferential direction of the first end 310, and impurities can enter the first exhaust pipe 300 through the grooves 311 from a plurality of directions, which has the effect of further improving the efficiency of removing impurities from the first exhaust pipe 300.
Alternatively, the width of the recess 311 is 2-6mm, and may be, for example, 2mm, 5mm, 6mm, etc., to provide the first end 310 with certain structural strength and to prevent impurities from blocking the recess 311.
Optionally, as shown in fig. 4 to 6, the flow guiding device further includes a flow guiding plate 220, the flow guiding plate 220 is fixedly connected to the bottom plate 210, and the first end 310 is close to the connection between the flow guiding plate 220 and the bottom plate 210. In practical applications, it is found that the impurities are accumulated more near the connection position of the baffle 220 and the bottom plate 210, and therefore, the first end 310 is disposed near the connection position of the baffle 220 and the bottom plate 210, which is beneficial to enhancing the removal effect of the impurities at the position.
Optionally, as shown in fig. 4 to 7, the novel quenching heat exchanger further includes a tube plate 400 and a second drain pipe 500, the tube plate 400 is fixed in the shell 100, and the tube plate 400 is located below the bottom plate 210, the second drain pipe 500 is disposed through the shell 100, and the second drain pipe 500 is close to the tube plate 400, the drain hole 211 has been opened in the bottom plate 210, impurities on the bottom plate 210 can drop onto the tube plate 400 through the drain hole 211, the impurities dropping onto the tube plate 400 enter the second drain pipe 500 under the action of water flow, and are discharged out of the shell 100 through the second drain pipe 500, thereby increasing a clearing channel for clearing impurities on the bottom plate 210, and improving the efficiency for clearing impurities on the bottom plate 210.
Preferably, as shown in fig. 4 to 7, the soil discharge hole 211 and the first end 310 are respectively disposed at both ends of the bottom plate 210 in a radial direction of the bottom plate 210. In the radial direction of the bottom plate 210, the starting points of the two impurity removing passages (i.e., the first end 310 and the drain hole 211) are separated as much as possible, the distance between the two impurity removing passages is enlarged, and impurities are respectively removed at two positions of the bottom plate 210 which are far away from each other, which has the effect of improving the impurity removing efficiency. On the other hand, in the technical solution provided in this embodiment, the flow guiding device further includes a semi-annular cover plate 230, an outer wall of the cover plate 230 is connected with an inner wall of the casing 100, an inner wall of the cover plate 230 is connected with a top of the flow guiding plate 220, a bottom of the flow guiding plate 220 is connected with the bottom plate 210, the flow guiding plate 220 is substantially in a semi-barrel structure, the bottom plate 210 and the casing 100 are coaxially disposed, and a gap is left between a sidewall of the bottom plate 210 and the inner wall of the casing 100, the gap includes a first gap 710 and a second gap 720, where the first gap 710 is located in a region where the bottom plate 210 is connected with the flow guiding plate 220, and the second gap 720 is located in a region where the bottom plate 210 is not connected with the flow guiding plate 220. Under the effect of guiding device, the cooling water entering the casing 100 flows towards the tube plate 400 between the guiding plate 220 and the inner wall of the casing 100, then flows between the tube plate 400 and the bottom plate 210, and then flows upwards through the second gap 720, when the cooling water flows upwards through the second gap 720, due to the change of the flow direction and the flow rate of the cooling water, impurities in the cooling water can easily fall at the position of the bottom plate 210 close to the second gap 720, that is, the position of the bottom plate 210 close to the second gap 720 has more impurity accumulation. When the first end 310 of the first exhaust pipe 300 is disposed near the connection between the guide plate 220 and the bottom plate 210, the exhaust hole 211 and the first end 310 are respectively disposed at two ends of the bottom plate 210 along the radial direction of the bottom plate 210, that is, the exhaust hole 211 is disposed at a position of the bottom plate 210 near the second gap 720, which is beneficial to enhancing the cleaning effect of impurities at the position.
Optionally, as shown in fig. 4 to 7, the novel quenching heat exchanger further includes a collecting pipe 610, the second end 320 and the second drain pipe 500 are both communicated with the collecting pipe 610, a drain outlet is provided on the collecting pipe 610, and impurities discharged from the first drain pipe 300 through the second end 320 and impurities discharged from the housing 100 through the second drain pipe 500 enter the collecting pipe 610 under the action of water flow and are then discharged through the drain outlet on the collecting pipe 610. The collecting pipe 610 collects impurities in two impurity removal channels (the first drain pipe 300 is an impurity removal channel, and the drain hole 211 and the second drain pipe 500 are another impurity removal channel), and then the impurities are uniformly discharged, so that the overall structure of the novel quenching heat exchanger is effectively simplified.
Further, as shown in fig. 4 to 7, the drain outlet is communicated with the third drain pipe 620, and the impurities pass through the drain outlet and then enter the third drain pipe 620, and finally are discharged through the third drain pipe 620. During practical application, can install the drain valve on third blow off pipe 620, when needs clear away impurity, open the drain valve, when need not clear away impurity, close the drain valve to realize the effect of clear away as required.
Alternatively, the number of the first drain pipes 300 is plural, and the first ends 310 of the plurality of first drain pipes 300 are alternately inserted through the bottom plate 210, so as to improve the efficiency of removing the impurities by the first drain pipes 300. As shown in fig. 7, three first through holes 212 are formed in the bottom plate 210, the number of the first drain pipes 300 is three, and the three first drain pipes 300 are respectively penetrated from the three first through holes 212 to the bottom plate 210. Of course, in other embodiments, the number of the first exhaust pipes 300 may be two, four, five, etc., and may be determined according to the size of the bottom plate 210, the amount of impurities, etc.
Alternatively, as shown in fig. 7, the number of the drain holes 211 is plural, and exemplarily, the number of the drain holes 211 may be ten, fifteen, twenty, etc., and the plural drain holes 211 are spaced to improve the efficiency of removing the impurities from the drain holes 211.
Further, as shown in fig. 7, the plurality of blow-off holes 211 are arranged in a row and are staggered with the second through holes 213 on the bottom plate 210 for penetrating the heat exchange tubes, so as to improve the utilization rate of the plane of the bottom plate 210, and make the novel quenching heat exchanger compact in arrangement structure.
According to the novel quenching heat exchanger provided by the embodiment, the first drain pipe 300 penetrates through the shell 100, the first end 310 of the first drain pipe 300 penetrates through the bottom plate 210, the end surface of the first end 310 is provided with the groove 311, and the height of the first end 310 is higher than that of the second end 320, so that impurities on the bottom plate 210 enter the drain pipe through the groove 311 and the pipe orifice of the first end 310 under the action of water flow, then enter the collecting pipe 610 and the third drain pipe 620 in sequence, finally are discharged out of the shell 100, and the impurities on the bottom plate 210 are removed; meanwhile, a blow-off hole 211 is formed in the bottom plate 210, impurities on the bottom plate 210 fall onto the tube plate from the bottom plate 210 through the blow-off hole 211, then enter the collecting pipe 610 and the third blow-off pipe 620 through the second blow-off pipe 500 in sequence, and finally are discharged out of the shell 100, so that the impurities on the bottom plate 210 are removed. The arrangement of the first sewage discharge pipe 300 and the sewage discharge hole 211 provides two channels for removing impurities on the bottom plate 210, so that the effect of quickly removing the impurities on the bottom plate 210 is realized, the heat exchange efficiency between cooling water and the heat exchange pipe in the shell 100 is effectively improved, the heat exchange efficiency of the novel rapid cooling heat exchanger is higher, the probability of leakage of the heat exchange pipe is effectively reduced, and powerful guarantee is provided for normal use of the novel rapid cooling heat exchanger.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements, and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A novel quenching heat exchanger is characterized by comprising:
a housing (100);
the flow guide device comprises a bottom plate (210), and the bottom plate (210) is fixed in the shell (100);
first blow-off pipe (300), first blow-off pipe (300) are worn to locate casing (100), first blow-off pipe (300) include first end (310) and second end (320), first end (310) are worn to locate bottom plate (210), just be equipped with recess (311) on the terminal surface of first end (310), the height of second end (320) is less than the height of first end (310), impurity on bottom plate (210) can pass through recess (311) with the mouth of pipe of first end (310) gets into first blow-off pipe (300), and by the mouth of pipe of second end (320) is discharged first blow-off pipe (300).
2. The novel quench heat exchanger of claim 1 wherein the depth of the groove (311) is greater than or equal to the length of the first end (310) that protrudes from the base plate (210).
3. The novel quench heat exchanger of claim 1 wherein the number of grooves (311) is plural.
4. The novel quench heat exchanger of claim 3 wherein a plurality of said grooves (311) are uniformly disposed along the circumference of said first end (310).
5. The novel quench heat exchanger as claimed in claim 1, characterized in that said first blowdown pipe (300) is plural in number, and said first end (310) of said first blowdown pipe (300) is disposed through said floor (210) at intervals.
6. The novel quench heat exchanger of any of claims 1-5 wherein said flow guide device further comprises a flow guide plate (220), said flow guide plate (220) being fixedly attached to said base plate (210), said first end (310) being proximate to the junction of said flow guide plate (220) and said base plate (210).
7. The novel quench heat exchanger as claimed in claim 6, further comprising a tube plate (400) and a second blow-off pipe (500), wherein the tube plate (400) is fixed in the shell (100), the tube plate (400) is located below the bottom plate (210), the second blow-off pipe (500) is inserted into the shell (100), the second blow-off pipe (500) is close to the tube plate (400), the bottom plate (210) is provided with a blow-off hole (211), the impurities on the bottom plate (210) can fall onto the tube plate (400) through the blow-off hole (211) and can be discharged out of the shell (100) through the second blow-off pipe (500).
8. The novel quench heat exchanger as claimed in claim 7, wherein the blowdown hole (211) and the first end (310) are respectively provided at both ends of the bottom plate (210) in a radial direction of the bottom plate (210).
9. The novel quench heat exchanger as claimed in claim 7, further comprising a manifold (610), wherein said second end (320) and said second blowdown pipe (500) are both in communication with said manifold (610), and wherein said manifold (610) is provided with a blowdown port for discharging said impurities.
10. The novel quench heat exchanger as claimed in claim 7, wherein said blow-off hole (211) is plural in number, and a plurality of said blow-off holes (211) are provided at intervals.
CN202221082922.8U 2022-05-07 2022-05-07 Novel rapid cooling heat exchanger Active CN217303676U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221082922.8U CN217303676U (en) 2022-05-07 2022-05-07 Novel rapid cooling heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221082922.8U CN217303676U (en) 2022-05-07 2022-05-07 Novel rapid cooling heat exchanger

Publications (1)

Publication Number Publication Date
CN217303676U true CN217303676U (en) 2022-08-26

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Country Status (1)

Country Link
CN (1) CN217303676U (en)

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