CN208653270U - Waste nitrogen heater channel structure - Google Patents

Waste nitrogen heater channel structure Download PDF

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Publication number
CN208653270U
CN208653270U CN201821197755.5U CN201821197755U CN208653270U CN 208653270 U CN208653270 U CN 208653270U CN 201821197755 U CN201821197755 U CN 201821197755U CN 208653270 U CN208653270 U CN 208653270U
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CN
China
Prior art keywords
partition
pass
pass partition
tube
waste nitrogen
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Withdrawn - After Issue
Application number
CN201821197755.5U
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Chinese (zh)
Inventor
陈健
匡丽
田倩
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Shuangliang Eco Energy Systems Co Ltd
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Shuangliang Eco Energy Systems Co Ltd
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Priority to CN201821197755.5U priority Critical patent/CN208653270U/en
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Abstract

The utility model relates to a kind of waste nitrogen heater channel structures, including bobbin carriage shell and tube sheet, the first pass partition, the second pass partition, third pass partition and first partition are successively transversely provided in the bobbin carriage shell from top to bottom, three U-tube beams are divided into six processes by first pass partition, the second pass partition, third pass partition, first partition and second partition.The utility model is effectively prevented from subcooled water and contacts with steam, the appearance of " water hammer " phenomenon is avoided, so that the saturated vapor at least needing two equipment that could complete in the past is realized in this equipment to the heat exchange of subcooled water, the performance for effectively improving waste nitrogen heater, substantially reduces cost.

Description

Waste nitrogen heater channel structure
Technical field
The utility model relates to technical field of heat exchange equipment, and in particular to a kind of waste nitrogen heater channel structure.
Background technique
Waste nitrogen heater is equipment very widely used in air separation plant, is mainly added using the heat that steam is released Hot dirt nitrogen, to carry out heating activation to molecular sieve.Whether just the superiority and inferiority of waste nitrogen heater performance directly influences molecular sieve Often work, so that the normal operation to a whole set of air separation plant generates very important effect.
Waste nitrogen heater site technique requires 186.10 DEG C of saturated vapors into 120 DEG C of subcooled waters go out.The dirty nitrogen of conventional design Heater bobbin carriage is single tube bundle designs, and pass partition divides single tube beam to journey first pass and second procedure, can have " water hammer " Risk, i.e. subcooled water are met with steam, lead to pressure change dramatically, to destroy tube head and heat exchanger tube.
Utility model content
Purpose of the utility model is to overcome the above-mentioned shortcomings and provide a kind of waste nitrogen heater channel structures, effectively It avoids subcooled water from contacting with steam, avoids the appearance of " water hammer " phenomenon, so that at least needing two equipment that could complete in the past Saturated vapor is realized in this equipment to the heat exchange of subcooled water, is effectively improved the performance of waste nitrogen heater, is made cost It substantially reduces.
Purpose of the utility model is realized as follows:
A kind of waste nitrogen heater channel structure, including bobbin carriage shell and tube sheet, in the bobbin carriage shell from top to bottom successively It is transversely provided with the first pass partition, the second pass partition, third pass partition and first partition, second pass partition and It is longitudinally equipped with second partition between three pass partitions, is evenly equipped with aperture, second pass partition one end on the second partition Connect with second partition upper end, third pass partition one end is connect with second partition middle-end, the second partition lower end with First partition connection, sets that there are three U-tube beams on the tube sheet, and first pass partition, the second pass partition, third divide journey Three U-tube beams are divided into six processes by partition, first partition and second partition.
Preferably, first pass partition upper end is first pass, first pass partition and the second pass partition Between be second procedure, the second partition will be divided into third process and the 4th between the second pass partition and third pass partition Process, the second partition will be divided into the 5th process and the 6th process between third pass partition and first partition, and the described 4th Process and the 5th process are located at the side of second partition, and second pass partition is between second procedure and the 4th process.
Preferably, semi-circular tube is equipped between second pass partition and first partition.
Preferably, the first partition below second pass partition is equipped with balance pipe.
Preferably, the lower end surface of the third pass partition is equipped with vapor-proof overflow plate.
Preferably, anti-saturated water overflow plate, the anti-saturated water are equipped between the third pass partition and first partition Overflow plate is located at the exit of the 6th process.
Preferably, below corresponding first pass partition of the bobbin carriage shell, below the second pass partition and third divide journey every The first incoagulable gas outlet, the second incoagulable gas outlet and the discharge of third incoagulable gas are set gradually below plate Mouthful.
Preferably, the U-tube beam includes first tube bundle, second tube bundle and third tube bank, and first pass partition will First tube bundle is divided into first pass and second procedure, and second tube bundle is divided into third process and the 4th process by the second partition, Third tube bank is divided into the 5th process and the 6th process by the second partition.
The beneficial effects of the utility model are:
The utility model is effectively prevented from subcooled water and contacts with steam, avoids the appearance of " water hammer " phenomenon, so that in the past extremely The saturated vapor for needing two equipment that could complete less is realized in this equipment, is effectively improved to the heat exchange of subcooled water The performance of waste nitrogen heater, substantially reduces cost.
Detailed description of the invention
Fig. 1 is the channel structure schematic diagram of the prior art.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the single tube beam cross-sectional view of Fig. 1.
Fig. 4 is the channel structure schematic diagram of the utility model.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the tube bank cross-sectional view of the utility model.
Fig. 7 is the C-C cross-sectional view of Fig. 4.
Fig. 8 is the D-D cross-sectional view of Fig. 4.
Wherein: bobbin carriage shell 1;Channel flange 2;Vapor inlet connecting pipe 3;Condensate discharge connection 4;Pass partition 5;First point Journey partition 5.1;Second pass partition 5.2;Third pass partition 5.3;First partition 6;Second partition 7;Semi-circular tube 8;Balance pipe 9;Vapor-proof overflow plate 10;First pass 11;Second procedure 12;Third process 13;4th process 14;5th process 15;6th Process 16;Anti- saturated water overflow plate 17;First incoagulable gas outlet 18;Second incoagulable gas outlet 19;Third is not Solidifying property gas discharge outlet 20;Anti-swirl baffle 21;First tube bundle 22;Second tube bundle 23;Third tube bank 24.
Specific embodiment
- Fig. 8 referring to fig. 4, the utility model relates to a kind of waste nitrogen heater channel structure, including bobbin carriage shell 1, the pipes 1 upper end of tank shell is equipped with vapor inlet connecting pipe 3, and lower end is equipped with condensate discharge connection 4, and left and right ends are equipped with channel flange 2, described Channel flange 2 is connect with tube sheet, and the tube sheet is equipped with tube sheet partition, and the tube sheet partition prevents each tube bank on tube sheet from shaking It is dynamic.The first pass partition 5.1, the second pass partition 5.2, third point are successively transversely provided in the bobbin carriage shell 1 from top to bottom Journey partition 5.3 and first partition 6 are longitudinally equipped with second partition between second pass partition 5.2 and third pass partition 5.3 7, aperture is evenly equipped on the second partition 7, described second pass partition, 5.2 one end is connect with 7 upper end of second partition, and described Three pass partitions, 5.3 one end is connect with 7 middle-end of second partition, and the second partition lower end is connect with first partition 6, the tube sheet On set there are three U-tube beam, first pass partition 5.1, the second pass partition 5.2, third pass partition 5.3, first every Three U-tube beams are divided into six processes by plate 6 and second partition 7.The heat exchanging process realizes in an equipment, and can To be effectively prevented from the appearance of " water hammer " phenomenon.
First pass partition, 5.1 upper end is first pass 11, first pass partition 5.1 and the second pass partition It is second procedure 12 between 5.2, the second partition 7 will be divided into the between second pass partition 5.2 and third pass partition 5.3 Three processes 13 and the 4th process 14, the second partition 7 will be divided into the 5th stream between third pass partition 5.3 and first partition 6 Journey 15 and the 6th process 16, the 4th process 14 and the 5th process 15 are located at the side of second partition 7, second point of journey every Plate 5.2 is between second procedure 12 and the 4th process 14.
Anti-swirl baffle 21 is additionally provided in the bobbin carriage shell 1, the anti-swirl baffle 21 is corresponding with condensate discharge connection 4 Setting.
Semi-circular tube 8 is equipped between second pass partition 5.2 and first partition 6.The semi-circular tube 8 and second partition 7 On aperture communicate, the semi arch bottom of the semi-circular tube 8 is equipped with outlet, plays sedimentation condensation, prevents uncooled steaming Vapour enters in the 5th process heat exchanger tube.
The first partition 6 of second pass partition, 5.2 lower section is equipped with balance pipe 9.Pressure difference is eliminated, the 4th process is prevented The uncooled steam in 14 exits pours in 15 heat exchanger tube of the 5th process.
The lower end surface of the third pass partition 5.3 is equipped with vapor-proof overflow plate 10.Further prevent steam and subcooled water Contact.
Anti- saturated water overflow plate 17 is equipped between the third pass partition 5.3 and first partition 6, the anti-saturated water overflows Flowing plate 17 is located at the exit of the 6th process 16.Guarantee full liquid in the five, the six process heat exchanger tubes.
Corresponding first pass partition, 5.1 lower section of the bobbin carriage shell 1,5.2 lower section of the second pass partition and third divide journey every The first incoagulable gas outlet 18, the second incoagulable gas outlet 19 and third incoagulability gas are set gradually below plate 5.3 Body outlet 20.There is incoagulable gas generation in the exit for preventing each from restraining.
The U-tube beam includes first tube bundle 22, second tube bundle 23 and third tube bank 24, first pass partition 5.1 First tube bundle 22 is divided into first pass 11 and second procedure 12, second tube bundle 23 is divided into third process by the second partition 7 13 and the 4th process 14, the second partition 7 third tube bank 24 is divided into the 5th process 15 and the 6th process 16.
First pass partition 5.1, the second pass partition 5.2 and third pass partition 5.3 are telescopic, are prevented It expands with heat and contract with cold caused by the change dramatically of temperature.
186.10 DEG C of saturated vapor enters the first pass 11 of first tube bundle 22 from vapor inlet connecting pipe 3, with dirty nitrogen heat After exchange, 185.69 DEG C of saturated vapor and fractional saturation water goes out from second procedure 12, at this time using being opened on second partition 7 Saturated water is discharged into the 5th process 15 by aperture.185.69 DEG C of saturated vapor enters the third process 13 of second tube bundle 23, 185.34 DEG C of saturated waters go out from the 4th process 14.185.34 DEG C of saturated waters enter the 5th process 15 of third tube bank 24,120 DEG C of mistakes Cold water goes out from the 6th process 16.
In addition to the implementation, the utility model further includes having other embodiments, all to use equivalents or equivalent The technical solution that alternative is formed, should all fall within the protection scope of the utility model claims.

Claims (8)

1. a kind of waste nitrogen heater channel structure, it is characterised in that: including bobbin carriage shell (1) and tube sheet, the bobbin carriage shell (1) Inside successively be transversely provided with from top to bottom the first pass partition (5.1), the second pass partition (5.2), third pass partition (5.3) and First partition (6) is longitudinally equipped with second partition (7) between second pass partition (5.2) and third pass partition (5.3), Aperture is evenly equipped on the second partition (7), described second pass partition (5.2) one end is connect with second partition (7) upper end, institute It states third pass partition (5.3) one end to connect with second partition (7) middle-end, the second partition lower end and first partition (6) are even It connects, is set on the tube sheet there are three U-tube beam, first pass partition (5.1), the second pass partition (5.2), third divide journey Three U-tube beams are divided into six processes by partition (5.3), first partition (6) and second partition (7).
2. a kind of waste nitrogen heater channel structure according to claim 1, it is characterised in that: first pass partition (5.1) upper end is first pass (11), is second between first pass partition (5.1) and the second pass partition (5.2) Journey (12), the second partition (7) will be divided into third process between the second pass partition (5.2) and third pass partition (5.3) (13) and the 4th process (14), the second partition (7) will be divided between third pass partition (5.3) and first partition (6) Five processes (15) and the 6th process (16), the 4th process (14) and the 5th process (15) are located at the side of second partition (7), Second pass partition (5.2) is located between second procedure (12) and the 4th process (14).
3. a kind of waste nitrogen heater channel structure according to claim 1, it is characterised in that: second pass partition (5.2) semi-circular tube (8) are equipped between first partition (6).
4. a kind of waste nitrogen heater channel structure according to claim 1, it is characterised in that: second pass partition (5.2) first partition (6) below is equipped with balance pipe (9).
5. a kind of waste nitrogen heater channel structure according to claim 1, it is characterised in that: the third pass partition (5.3) lower end surface is equipped with vapor-proof overflow plate (10).
6. a kind of waste nitrogen heater channel structure according to claim 1 or 2, it is characterised in that: the third divide journey every Anti- saturated water overflow plate (17) is equipped between plate (5.3) and first partition (6), the anti-saturated water overflow plate (17) is located at the 6th The exit of process (16).
7. a kind of waste nitrogen heater channel structure according to claim 1, it is characterised in that: the bobbin carriage shell (1) is right It answers below the first pass partition (5.1), below the second pass partition (5.2) and third pass partition (5.3) lower section is set gradually First incoagulable gas outlet (18), the second incoagulable gas outlet (19) and third incoagulable gas outlet (20).
8. a kind of waste nitrogen heater channel structure according to claim 1 or 2, it is characterised in that: the U-tube beam includes First tube bundle (22), second tube bundle (23) and third tube bank (24), first pass partition (5.1) divide first tube bundle (22) At first pass (11) and second procedure (12), the second partition (7) by second tube bundle (23) be divided into third process (13) and Third tube bank (24) is divided into the 5th process (15) and the 6th process (16) by the 4th process (14), the second partition (7).
CN201821197755.5U 2018-07-27 2018-07-27 Waste nitrogen heater channel structure Withdrawn - After Issue CN208653270U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821197755.5U CN208653270U (en) 2018-07-27 2018-07-27 Waste nitrogen heater channel structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821197755.5U CN208653270U (en) 2018-07-27 2018-07-27 Waste nitrogen heater channel structure

Publications (1)

Publication Number Publication Date
CN208653270U true CN208653270U (en) 2019-03-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821197755.5U Withdrawn - After Issue CN208653270U (en) 2018-07-27 2018-07-27 Waste nitrogen heater channel structure

Country Status (1)

Country Link
CN (1) CN208653270U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108709437A (en) * 2018-07-27 2018-10-26 双良节能系统股份有限公司 Waste nitrogen heater channel structure and application method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108709437A (en) * 2018-07-27 2018-10-26 双良节能系统股份有限公司 Waste nitrogen heater channel structure and application method
CN108709437B (en) * 2018-07-27 2023-12-26 双良节能系统股份有限公司 Dirty nitrogen heater tube box structure and use method

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