CN205965795U - Many beds hang down resistance catalytic converter - Google Patents
Many beds hang down resistance catalytic converter Download PDFInfo
- Publication number
- CN205965795U CN205965795U CN201620784021.1U CN201620784021U CN205965795U CN 205965795 U CN205965795 U CN 205965795U CN 201620784021 U CN201620784021 U CN 201620784021U CN 205965795 U CN205965795 U CN 205965795U
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- CN
- China
- Prior art keywords
- heat exchanger
- bed
- interlayer
- heat exchange
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a many beds hang down resistance catalytic converter, it includes the urceolus and sets up the inner tube in the urceolus that the inner chamber of inner tube includes first bed, second bed and triple bed layer from top to bottom, is equipped with heat exchanger between the layer in first bed and the second bed, is equipped with the bottom heat exchanger in the triple bed layer, heat exchanger and bottom heat exchanger all include a plurality of heat exchange tubes that set up side by side between the layer, the lower part of bottom heat exchanger with the annulus intercommunication so that unreacted gas get into the heat exchange tube intertube of bottom heat exchanger and upwards get into the center tube and the heat exchange tube intertube of heat exchanger layer within a definite time through the annulus, a wall of heat exchanger and bottom heat exchanger all is equipped with a plurality of air vents between the layer, and every air vent is with each self -corresponding bed intercommunication so that get into the respectively intraductal and downward discharge of heat exchange tube of self -corresponding heat exchanger through bed reacted reaction gas. The utility model discloses resistance to motion is little, and long service life is efficient, and the power consumption is low.
Description
Technical field
This utility model is related to a kind of chemical industry equipment, the many beds lower resistance catalysis in producing particularly to a kind of ammonia synthesis
Reactor.
Background technology
The structure of reactor species being presently used for ammonia synthesis is various, but catalyst powder often occurs in process of production
Grain is constantly brought in reactor between the heat exchange tube of heat exchanger with reacting gas and is deposited between the pipe of heat exchanger tube and upper and lower end parts,
Make between heat exchange tube and the upper and lower end parts of heat exchanger tube are blocked by catalyst powder；The running resistance of reactor can be led in operation continuous
Increase, equipment is fragile, and combined coefficient is low, power consumption is high, service life of equipment is short, deficiency in economic performance.
Utility model content
The purpose of this utility model is to overcome weak point of the prior art, providing a kind of many beds lower resistance to urge
Change reactor, its running resistance is little, combined coefficient is high, power consumption is low, long service life.
This utility model is realized in：A kind of many beds lower resistance catalytic reactor, it includes outer tube and is arranged on
Inner core in outer tube, is provided with annular space between outer tube and inner core, the top of outer tube is provided with the unreacting gas import connecting with annular space, interior
It is provided with central canal at the axle center of cylinder；The inner chamber of described inner core from top to bottom includes the first bed, the second bed and the 3rd bed, the
Separated by dividing plate between one bed and the second bed, separated by dividing plate between the second bed and the 3rd bed, set in the first bed
There is the first interlayer heat exchanger, be provided with the second interlayer heat exchanger in the second bed, in the 3rd bed, be provided with bottom heat exchanger；Described
One interlayer heat exchanger, the second interlayer heat exchanger and bottom heat exchanger all include multiple heat exchanger tubes being arranged side by side, bottom heat exchanger
Bottom heat exchange tube between connect with annular space so that unreacting gas enter between the heat exchange tube of bottom heat exchanger through annular space and upwards
Enter the upper end with central canal between the heat exchange tube of the second interlayer heat exchanger, the top of described outer tube is provided with installs the cold of refrigerator pipe
Gas import, one end of refrigerator pipe is inserted between the heat exchange tube of the first interlayer heat exchanger；The barrel of described first interlayer heat exchanger sets
There are multiple first passages, the upper end cap of the first interlayer heat exchanger connects so that through first through the first passage with the first bed
The reacted reaction gas of bed enters in the heat exchange tube of the first interlayer heat exchanger and is discharged into downwards the second bed；Described
The barrel of two interlayer heat exchangers is provided with multiple second passages, and the upper end cap of the second interlayer heat exchanger is through the second passage and
Two bed connections are so that entering in the heat exchange tube of the second interlayer heat exchanger through the reacted reaction gas of the second bed and arranging downwards
Go out to enter the 3rd bed；The barrel of described bottom heat exchanger is provided with multiple 3rd passages, the upper end cap warp of bottom heat exchanger
3rd passage is connected with the 3rd bed so that enter the heat exchange tube of bottom heat exchanger through the reacted reaction gas of the 3rd bed
Interior and down through reactor bottom reaction gas outlet is discharged.
Preferably react in bed to realize unreacting gas, described first bed, the second bed and the 3rd bed are
Radial direction conversion zone.
For the ease of unreacting gas circulation, the lower port of described central canal is located at the top of bottom heat exchanger and is changed with bottom
Connection between the heat exchange tube of hot device is so that enter central canal between the heat exchange tube through bottom heat exchanger for the unreacting gas；In central canal
Section with connect between the heat exchange tube of the second interlayer heat exchanger so that unreacting gas entrance the second interlayer heat exchanger heat exchange tube between,
The upper port of central canal is located at the top of the first bed so that unreacting gas enter the first bed.
In order to prevent outer tube bottom from high temperature hydrogen attack occurring, the bottom of described outer tube is provided with low-temperature protection gas entrance.
This utility model many beds lower resistance catalytic reactor has the advantage that：This utility model adopts unreacting gas
Between by the heat exchange tube of heat exchanger and central canal is upwardly into reaction bed, the reacted reacting gas of reacted bed enters
Discharge downwards in the pipe of heat exchanger tube, catalyst powder, will not get lodged in through flowing into next bed in heat exchange tube with reacting gas
Between the pipe of heat exchanger tube and upper and lower end parts, it has, and running resistance is little, and equipment is hardly damaged, and combined coefficient is high, and power consumption is low, using the longevity
Life length and good in economic efficiency feature.
Brief description
This utility model is further described with reference to the accompanying drawings in conjunction with the embodiments.
Fig. 1 is the overall structure diagram of this utility model many beds lower resistance catalytic reactor.
In figure symbol description：1st, outer tube, 2, inner core, 3, central canal, 4, dividing plate, 5, dividing plate, the 6, first interlayer heat exchanger, 7,
Second interlayer heat exchanger, 8, bottom heat exchanger, 10, annular space, 11, unreacting gas import, 12, cold air import, 13, shielding gas enters
Mouthful, 14, reaction gas outlet, the 21, first bed, the 22, second bed, the 23, the 3rd bed, the 61, first passage, 71, second lead to
Pore, the 81, the 3rd passage.
Specific embodiment
This utility model is described in detail with reference to specific embodiment.
Refer to shown in Fig. 1, a kind of many beds lower resistance catalytic reactor, it includes outer tube 1 and is arranged in outer tube 1
Inner core 2, is provided with annular space 10 between outer tube 1 and inner core 2, be provided with central canal 3 at the axle center of inner core 2, the top of outer tube 1 be provided with
The unreacting gas import 11 of annular space 10 connection, the top of described outer tube 1 is provided with the cold air import 12 installing refrigerator pipe, refrigerator pipe
The side being placed in heat exchanger tube inside the first interlayer heat exchanger 6 is inserted in one end.The lower curtate of described outer tube 1 is provided with low-temperature protection gas and enters
Mouth 13.The inner chamber of described inner core 2 from top to bottom includes the first bed 21, the second bed 22 and the 3rd bed 23, the first bed 21
With second separated by dividing plate 4 between bed 22, separated by dividing plate 5 between the second bed 22 and the 3rd bed 23, described first
Layer the 21, second bed 22 and the 3rd bed 23 are radial direction conversion zone；It is provided with the first interlayer heat exchanger 6 in first bed 21, the
It is provided with the second interlayer heat exchanger 7 in two beds 22, in the 3rd bed 23, be provided with bottom heat exchanger 8；Described first interlayer heat exchanger
6th, the second interlayer heat exchanger 7 and bottom heat exchanger 8 all include multiple heat exchanger tubes being arranged side by side, the bottom of bottom heat exchanger 8 with
Annular space 10 connects so that unreacting gas enter between the heat exchange tube of bottom heat exchanger 8 and are upwardly into the second interlayer through annular space 10 changes
Upper end with central canal 3 between the heat exchange tube of hot device 7；The lower port of described central canal 3 be located at bottom heat exchanger 8 top and with
Connection between the heat exchange tube of bottom heat exchanger 8 is so that enter central canal 3 between the heat exchange tube through bottom heat exchanger 8 for the unreacting gas；
Connect between the stage casing of central canal 3 and the heat exchange tube of the second interlayer heat exchanger 7 so that unreacting gas enter the second interlayer heat exchanger 7
Heat exchange tube between, the upper port of central canal 3 is located at the top of the first bed 21 so that unreacting gas enter the first bed 21.Institute
The barrel stating the first interlayer heat exchanger 6 is provided with multiple first passages 61, and the upper end cap of the first interlayer heat exchanger 6 is logical through first
Pore 61 is connected with the first bed 21 so that enter the heat exchange of the first interlayer heat exchanger 6 through the reacted reaction gas of the first bed 21
Pipe pipe is interior and is discharged into downwards the second bed 22；The barrel of described second interlayer heat exchanger 7 is provided with multiple second passages 71,
After the upper end cap of the second interlayer heat exchanger 7 is connected with the second bed 22 through the second passage 71 so that reacting through the second bed 22
Reaction gas enter the second interlayer heat exchanger 7 heat exchange tube in and be discharged into downwards the 3rd bed 23；The heat exchange of described bottom
The barrel of device 8 is provided with multiple 3rd passages 81, and the upper end cap of bottom heat exchanger 8 is through the 3rd passage 81 and the 3rd bed 23
Connection is so that entering in the heat exchange tube of bottom heat exchanger 8 and go out down through reaction gas through the reacted reaction gas of the 3rd bed 23
Mouth 14 is discharged into another equipment.
A kind of operation principle of many beds lower resistance catalytic reactor described in the utility model is as follows：In this utility model,
The unreacting gas import 11 on unreacting gas reacted device top enters the annular space 10 between outer tube 1 and inner core 2, enters through annular space 10
Between the heat exchange tube of bottom heat exchanger 8 and be upwardly between central canal 3 and the heat exchange tube of the second interlayer heat exchanger 7, unreacted
Gas, along the upper port being upwardly into central canal 3 between the heat exchange tube of the second interlayer heat exchanger 7, is folded to entrance the first bed 21 and carries out
First radially reacts；The first radially heat exchange through the first passage 61 entrance the first interlayer heat exchanger 6 for the reacted reaction steam
In pipe pipe, with the unreacted cold air heat exchange of cold air import 12 after enter the second bed 22 and carry out second and radially react；Second footpath
Enter in the heat exchange tube of the second interlayer heat exchanger 7 through the second passage 71 to reacted reaction steam, change with the second interlayer
Enter the 3rd bed 23 after unreacting gas heat exchange between the heat exchange tube of hot device 7 and carry out the 3rd radially reaction；Carry out the 3rd radially
Reacted reaction steam enters the heat exchange in the heat exchange tube of bottom heat exchanger 8, with bottom heat exchanger 8 through the 3rd passage 81
Unreacting gas heat exchange between pipe pipe cool backward under the reaction gas outlet 14 of reacted device bottom be discharged into another equipment.
Edge in the presence of gas and gravity is each with reaction gas for catalyst powder in this utility model many beds lower resistance catalytic reactor
Discharge together in the heat exchange tube of heat exchanger, due to the larger and smooth rounding of the flow area in heat exchange tube, catalyst powder is not
Can get lodged between the upper and lower end parts of heat exchanger tube and heat exchange tube, it has, and running resistance is little, and equipment is hardly damaged, combined coefficient is high,
Power consumption is low, long service life and good in economic efficiency advantage.
In short, this utility model many beds lower resistance catalytic reactor, the heat exchange tube through each heat exchanger for the unreacting gas
Between and central canal 3 be upwardly into the first bed 21 and carry out first and radially react, first radially reacted steam through the first interlayer
It is downwardly into the second bed 22 in the heat exchange tube of heat exchanger 6 and carry out the second radially reaction, the reacted steam warp of the second radial direction
It is downwardly into the 3rd bed 23 in the heat exchange tube of the second interlayer heat exchanger 7 and carry out the 3rd radially reaction, after the 3rd radially reacts
The heat exchange tube through bottom heat exchanger 8 for the steam in be downwardly into reaction gas outlet 14 and be discharged into another equipment.
This utility model many beds lower resistance catalytic reactor, test data is as follows taking reactors for synthesis of ammonia as a example：
| Project | Reactor before improvement | This utility model reactor |
| Resistance | 0.6-1.0MPa | 0.2-0.4MPa |
| Life-span | 4-6 | 8-12 |
From above table as can be seen that the running resistance of this utility model many beds lower resistance catalytic reactor is little, use
Life-span length.
Above-mentioned specific embodiment is simply explained in detail to the technical solution of the utility model, and this utility model is not
Only it is limited only to above-described embodiment, every any improvement according to this utility model principle or replacement, all should be new in this practicality
Within the protection domain of type.
Claims (4)
1. a kind of many beds lower resistance catalytic reactor, it includes outer tube (1) and is arranged on inner core (2) in outer tube (1), outer tube
(1) it is provided with annular space (10) and inner core (2) between, the top of outer tube (1) is provided with the unreacting gas import connecting with annular space (10)
(11), it is provided with central canal (3) at the axle center of inner core (2)；It is characterized in that, the inner chamber of described inner core (2) from top to bottom includes
One bed (21), the second bed (22) and the 3rd bed (23), by dividing plate (4) between the first bed (21) and the second bed (22)
Separate, separated by dividing plate (5) between the second bed (22) and the 3rd bed (23), be provided with the first interlayer in the first bed (21) and change
Hot device (6), is provided with the second interlayer heat exchanger (7), is provided with bottom heat exchanger (8) in the 3rd bed (23) in the second bed (22)；
Described first interlayer heat exchanger (6), the second interlayer heat exchanger (7) and bottom heat exchanger (8) all include multiple be arranged side by side change
Heat pipe, the bottom of bottom heat exchanger (8) is connected with annular space (10) so that unreacting gas enter bottom heat exchanger (8) through annular space (10)
Heat exchange tube between and be upwardly between the heat exchange tube of the second interlayer heat exchanger (7) and central canal (3) upper end, described outer tube
(1) top is provided with the cold air import (12) installing refrigerator pipe, and the heat exchange of the first interlayer heat exchanger (6) is inserted in one end of refrigerator pipe
Between pipe pipe；The barrel of described first interlayer heat exchanger (6) is provided with multiple first passages (61), the first interlayer heat exchanger (6)
Upper end cap is connected with the first bed (21) through the first passage (61) so that entering through the reacted reaction gas of the first bed (21)
Enter in the heat exchange tube of the first interlayer heat exchanger (6) and be discharged into downwards the second bed (22)；Described second interlayer heat exchanger
(7) barrel is provided with multiple second passages (71), the upper end cap of the second interlayer heat exchanger (7) through the second passage (71) with
Second bed (22) connection so that enter the heat exchanger tube of the second interlayer heat exchanger (7) through the reacted reaction gas of the second bed (22)
Pipe is interior and is discharged into downwards the 3rd bed (23)；The barrel of described bottom heat exchanger (8) is provided with multiple 3rd passages (81),
The upper end cap of bottom heat exchanger (8) connects so that anti-through the 3rd bed (23) through the 3rd passage (81) with the 3rd bed (23)
Reaction gas after answering enters in the heat exchange tube of bottom heat exchanger (8) and arranges down through reaction gas outlet (14) of reactor bottom
Go out.
2. many beds lower resistance catalytic reactor according to claim 1 it is characterised in that：Described first bed (21),
Second bed (22) and the 3rd bed (23) are radial direction conversion zone.
3. many beds lower resistance catalytic reactor according to claim 2 it is characterised in that：Under described central canal (3)
Port is located at the top of bottom heat exchanger (8) and is connected so that unreacting gas are the bottom of through between the heat exchange tube of bottom heat exchanger (8)
Central canal (3) is entered between the heat exchange tube of portion's heat exchanger (8)；The stage casing of central canal (3) and the heat exchange of the second interlayer heat exchanger (7)
So that unreacting gas enter between the heat exchange tube of the second interlayer heat exchanger (7), the upper port of central canal (3) is located at for connection between pipe pipe
The top of the first bed (21) is so that unreacting gas enter the first bed (21).
4. the many beds lower resistance catalytic reactor according to claim 1 or 3 it is characterised in that：Described outer tube (1) low
Portion is provided with low-temperature protection gas entrance (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620784021.1U CN205965795U (en) | 2016-07-23 | 2016-07-23 | Many beds hang down resistance catalytic converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620784021.1U CN205965795U (en) | 2016-07-23 | 2016-07-23 | Many beds hang down resistance catalytic converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205965795U true CN205965795U (en) | 2017-02-22 |
Family
ID=58025365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620784021.1U Withdrawn - After Issue CN205965795U (en) | 2016-07-23 | 2016-07-23 | Many beds hang down resistance catalytic converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205965795U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964190A (en) * | 2016-07-23 | 2016-09-28 | 南京昊安科技工程有限公司 | Multi-bed-layer low-resistance catalytic reactor |
| WO2022062129A1 (en) * | 2020-09-28 | 2022-03-31 | 江苏永大化工机械有限公司 | Multi-pass radial reactor |
-
2016
- 2016-07-23 CN CN201620784021.1U patent/CN205965795U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964190A (en) * | 2016-07-23 | 2016-09-28 | 南京昊安科技工程有限公司 | Multi-bed-layer low-resistance catalytic reactor |
| CN105964190B (en) * | 2016-07-23 | 2019-02-15 | 南京昊安科技工程有限公司 | A kind of more bed lower resistance catalytic reactors |
| WO2022062129A1 (en) * | 2020-09-28 | 2022-03-31 | 江苏永大化工机械有限公司 | Multi-pass radial reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20190215 |
|
| AV01 | Patent right actively abandoned |