CN209098186U - A kind of insulation sulfur-tolerant water gas shift device with annular space - Google Patents
A kind of insulation sulfur-tolerant water gas shift device with annular space Download PDFInfo
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- CN209098186U CN209098186U CN201821174428.8U CN201821174428U CN209098186U CN 209098186 U CN209098186 U CN 209098186U CN 201821174428 U CN201821174428 U CN 201821174428U CN 209098186 U CN209098186 U CN 209098186U
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- gas
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- annular space
- shift device
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Abstract
The utility model discloses a kind of insulation sulfur-tolerant water gas shift device with annular space; including shell and internal protection cylinder; annular space is formed between the shell and internal protection cylinder; in the high temperature shift gas outlet that the bottom head of the sulfur-tolerant water gas shift device is provided with the low temperature feedstock gas entrance being connected to annular space and is connected to internal protection cylinder; the top end socket of the sulfur-tolerant water gas shift device is provided with the high temperature feedstock gas entrance that the protection gas being connected to annular space is exported and is connected to internal protection cylinder, is provided with catalyst bed in the internal protection cylinder.The low temperature feedstock gas of the utility model continues to flow through reactor annular space first, axially or radially catalyst bed is directly entered after external equipment further preheats again, sulfur-tolerant water gas shift occurs, the design temperature of shell of reactor can be reduced, both reactor wall thickness had been reduced, reactor material can be reduced again and selects grade, to can effectively reduce the investment of equipment.
Description
Technical field
The utility model belongs to chemical technology field, in particular to one kind can be applied to coal synthesis ammonia, methanol, natural
The insulation sulfur-tolerant water gas shift device of the process units such as gas, ethylene glycol, hydrogen manufacturing.
Background technique
In insulation sulphur-resistant conversion device, sulfur-tolerant water gas shift device is the equipment of its core the most, is filled in the equipment
More expensive sulfur-resistant transformation catalyst, the unstripped gas into the equipment will be main that following reaction occurs under the effect of the catalyst:
CO+H2O=CO2+H2
Above-mentioned reaction is strong exothermal reaction, although reactor inlet unstripped gas operation temperature not counting high (usually 200~
310 DEG C), but the bed temperature of reactor is up to about 420 DEG C (catalyst initial stages)~450 DEG C (catalyst latter stage), for sufficiently benefit
With this high temperature heat source, type of reactor generallys use heat-insulating, and the outlet of General reactions device connects middle pressure steam superheater, saturation is steamed
Vapour becomes superheated steam, to improve steam quality, so that Shi Quan factory heat utilization is more reasonable.Usually insulation sulfur-tolerant water gas shift
The design temperature of device shell is up to 470~480 DEG C, and equipment design pressure is usually in 4.4~9.7MPa, in so high design
Under pressure and design temperature, the wall thickness of reactor will be very thick, and the buying and processing of plate are extremely difficult, and equipment material requires height,
Equipment investment is also high, and the thermal loss of equipment is also big.
Utility model content
The goal of the invention of the utility model is: in view of the above problems, provide a kind of design temperature it is low, operation
Mildly, the low insulation sulfur-tolerant water gas shift device with annular space is invested.
The technical solution of the utility model is achieved in that a kind of insulation sulfur-tolerant water gas shift device with annular space, special
Sign is: including shell and internal protection cylinder, annular space is formed between the shell and internal protection cylinder, in the sulphur-resistant conversion
The bottom head of reactor is provided with the low temperature feedstock gas entrance being connected to annular space and the high temperature being connected to internal protection cylinder becomes
Ventilation outlet, the top end socket of the sulfur-tolerant water gas shift device be provided with the protection gas that be connected to annular space export and with inside
The high temperature feedstock gas entrance for protecting cylinder connection, is provided with catalyst bed in the internal protection cylinder.
Insulation sulfur-tolerant water gas shift device described in the utility model with annular space, is arranged at the top of the internal protection cylinder
There is gas distributor, the gas distributor is connected to high temperature feedstock gas entrance, the gas in the internal protection cylinder after reaction
Into gas collector, the gas collector and high temperature shift gas outlet.
Insulation sulfur-tolerant water gas shift device described in the utility model with annular space, in the upper of the sulfur-tolerant water gas shift device
Portion's end socket is provided with manhole and thermocouple port.
Insulation sulfur-tolerant water gas shift device described in the utility model with annular space, under the sulfur-tolerant water gas shift device
Portion's end socket, which is provided with, unloads catalyst hole, and the catalyst hole of unloading is connected with catalyst bed.
Insulation sulfur-tolerant water gas shift device described in the utility model with annular space, in the sulfur-tolerant water gas shift device
Wall temperature temperature-measuring port is provided on portion's protection cylinder.
Insulation sulfur-tolerant water gas shift device described in the utility model with annular space, is provided in the internal protection cylinder
Axial catalyst bed is filled with sulfur-resistant transformation catalyst in the axial catalyst bed, in the axial catalyst bed
Layer upper and lower end is filled with flame-proof sphere, and the gas collector is arranged in internal protection cylinder bottom.
Insulation sulfur-tolerant water gas shift device described in the utility model with annular space, is provided in the internal protection cylinder
Radial catalyst bed is filled with sulfur-resistant transformation catalyst in the radial catalyst bed, in the radial catalyst bed
The intermediate gas collector for being provided with connection corresponding with radial catalyst bed of layer, the gas collector upper end is closing knot
Structure, lower end and high temperature shift gas outlet.
Insulation sulfur-tolerant water gas shift device described in the utility model with annular space is adopted in the radial catalyst bed
With segmentation loading catalyst, upper section loads protective agent or inactive catalyst, and lower section loads sulfur-resistant transformation catalyst,
The radial direction catalyst bed lower end is filled with flame-proof sphere.
The low temperature feedstock gas of the utility model continues to flow through reactor annular space first, then after external equipment further preheats
It is directly entered axially or radially catalyst bed and sulfur-tolerant water gas shift occurs, the design temperature of shell of reactor can be reduced, overcome
Con-ventional insulation sulfur-tolerant water gas shift device there are the problem of.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of structure of the utility model.
Fig. 2 is the schematic diagram of the utility model another kind structure.
Fig. 3 is the flow diagram under the utility model use state.
Marked in the figure: 1 is inlet outlet heat exchanger, 1a is low-temperature zone, and 1b is high temperature section, and 2 be detoxification slot, and 3 be sulphur-resistant conversion
Reactor, 4 be steam superheater, and 5 be the useless pot of conversion gas, and 6 be annular space, and 7 be high temperature feedstock gas entrance, and 8 go out for high temperature shift gas
Mouthful, 9 be low temperature feedstock gas entrance, and 10 export for protection gas, and 11 be the first valve, and 12 be the second valve, and 13 be gas distributor, and 14 are
Catalyst bed, 14a are axial catalyst bed, and 14b is radial catalyst bed, and 15 be gas collector, and 16 be flame-proof sphere,
17 be shell, and 18 be internal protection cylinder, and 19 be manhole, and 20 be thermocouple port, and 21 be to unload catalyst hole.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1, a kind of insulation sulfur-tolerant water gas shift device with annular space, including shell 17 and internal protection cylinder 18, institute
State and be formed with annular space 6 between shell 17 and internal protection cylinder 18, the bottom head of the sulfur-tolerant water gas shift device 3 be provided with
The low temperature feedstock gas entrance 9 and the high temperature shift gas outlet 8 being connected to internal protection cylinder 18 that annular space 6 is connected to, in the resistant to sulfur
The top end socket of shift-converter 3 is provided with the protection gas outlet 10 being connected to annular space 6 and is connected to internal protection cylinder 18
High temperature feedstock gas entrance 7 is provided with catalyst bed 14 in the internal protection cylinder 18.
Wherein, gas distributor 13, the gas distributor 13 and high temperature are provided at the top of the internal protection cylinder 18
Unstripped gas entrance 7 is connected to, and the gas in the internal protection cylinder 18 after reaction enters gas collector 15, the gas collector
15 are connected to high temperature shift gas outlet 8；The top end socket of the sulfur-tolerant water gas shift device 3 is provided with manhole 19 and thermocouple port
20, it is provided in the bottom head of the sulfur-tolerant water gas shift device 3 and unloads catalyst hole 21, it is described to unload catalyst hole 21 and catalyst bed
14 are connected, and wall temperature temperature-measuring port is provided on the internal protection cylinder 18 of the sulfur-tolerant water gas shift device 3.
In the present embodiment, it is provided with axial catalyst bed 14a in the internal protection cylinder 18, is urged in the axial direction
It is filled with sulfur-resistant transformation catalyst in agent bed 14a, is filled with flame-proof sphere in the axial catalyst bed 14a upper and lower end
16, the gas collector 15 is arranged in 18 bottom of internal protection cylinder.
As shown in Fig. 2, radial catalyst bed 14b is provided in the internal protection cylinder 18 as another structure,
It is filled with sulfur-resistant transformation catalyst in the radial catalyst bed 14b, is arranged among the radial catalyst bed 14b
There is the gas collector 15 of connection corresponding with radial direction catalyst bed 14b, 15 upper end of gas collector is enclosed construction,
Lower end is connected to high temperature shift gas outlet 8.
Wherein, using segmentation loading catalyst in the radial catalyst bed 14b, upper section loads protective agent or does not have
Active catalyst, lower section load sulfur-resistant transformation catalyst, are filled with flame-proof sphere in the radial direction lower end catalyst bed 14b
16。
The sulfur-tolerant water gas shift device of the utility model had both had the advantages that generally to be insulated sulfur-tolerant water gas shift device, further through guarantor
The setting of raw material port, overcomes routine after retaining ring gap, bottom inlet low temperature feedstock port, top protection port, top preheating
The shortcomings that being insulated sulfur-tolerant water gas shift device, makes low temperature feedstock gas continue to flow through reactor annular space first, then through inlet outlet heat exchanger
Further enter axially or radially catalyst bed after preheating to react, so as to drop the design temperature of shell of reactor
Low, while equipment wall thickness reduction, can also reduce equipment selection grade so as to substantially reduce equipment investment makes equipment
Operating condition is also more mild, and heat loss is also smaller.
As shown in figure 3, being concrete application flow diagram of the utility model in sulphur-resistant conversion device, the resistant to sulfur becomes
Changing device includes the useless pot 5 of inlet outlet heat exchanger 1, detoxification slot 2, sulfur-tolerant water gas shift device 3, steam superheater 4 and conversion gas, institute
Stating inlet outlet heat exchanger 1 includes low-temperature zone 1a and high temperature section 1b, the low-temperature zone 1a and high temperature section 1b group of the inlet outlet heat exchanger 1
It closes in an equipment or the low-temperature zone 1a and high temperature section 1b is respectively two independent equipment.The low-temperature zone 1a is set
It is equipped with raw material gas inlet, the outlet of low temperature feedstock gas and conversion gas outlet, the outlet of low temperature feedstock gas and detoxification of the low-temperature zone 1a
The import of slot 2 is connected, and the outlet of the detoxification slot 2 is connected with the annular space 6 of sulfur-tolerant water gas shift device 3, the sulfur-tolerant water gas shift
The annular space 6 of device 3 is connected with the high temperature section 1b import of inlet outlet heat exchanger 1, the outlet of the high temperature feedstock gas of the high temperature section 1b with it is interior
Portion protects the high temperature feedstock gas entrance 7 of cylinder 18 to be connected, and resistant to sulfur reacting condition is carried out in internal protection cylinder 18, the internal guarantor
The high temperature shift gas outlet 8 of casing 18 is connected with steam superheater 4, and the steam superheater 4 is connect with inlet outlet heat exchanger 1,
For preheating to the unstripped gas in inlet outlet heat exchanger 1, the inlet outlet heat exchanger 1 is connect with the useless pot 5 of conversion gas.
Wherein, it is provided with the first valve 11 on 9 Trunk Line of low temperature feedstock gas entrance of the sulfur-tolerant water gas shift device 3, it is secondary
The second valve 12 is provided on line, second valve 12 is provided with minimum limit, it is ensured that cryogenic gas continues to flow through reactor
Annular space, first valve 11 and the second valve 12 are in parallel；The bypass of the raw material gas inlet of the inlet outlet heat exchanger 1 and detoxification slot 2
Import connection, the temperature of implication is entered for adjusting detoxification slot 2；The bypass and sulfur-tolerant water gas shift device 3 that the detoxification slot 2 exports
The protection gas of top end socket exports the bypass connection on 10 pipelines, and the annular space for adjusting sulfur-tolerant water gas shift device 3 protects gas gas
Amount.
As shown in figure 3, the insulation sulfur resistant conversion process of the utility model, specifically: unstripped gas initially enters inlet and outlet and changes
The low-temperature zone of hot device obtains unstripped gas A after tentatively preheating.
Unstripped gas A enters detoxification slot, removes the poisonous substance in unstripped gas, obtains unstripped gas B.
Unstripped gas B is sent into the annular space of sulfur-tolerant water gas shift device by low temperature feedstock gas entrance, protects sulfur-tolerant water gas shift device
Shell after, by sulfur-tolerant water gas shift device top end socket protection gas outlet be sent into inlet outlet heat exchanger high temperature section, through into
Unstripped gas C is obtained after the preheating of one step.
Unstripped gas C enters sulfur-tolerant water gas shift device top entry gas distributor by high temperature feedstock gas entrance, through being distributed
Afterwards, the catalyst bed of sulfur-tolerant water gas shift device is flowed through, sulfur-tolerant water gas shift occurs, obtains high temperature shift gas D.
High temperature shift gas D exports out sulfur-tolerant water gas shift device by high temperature shift gas, improves subsequently into steam superheater
After steam grade, conversion gas E is obtained.
Conversion gas E is sent into inlet outlet heat exchanger, is introduced into high temperature section, enters back into low-temperature zone, the preheating heat as unstripped gas
Source obtains conversion gas F.
Conversion gas F enters back into conversion gas and gives up pot, obtains conversion gas G after by-product middle pressure steam, conversion gas G send downstream unit into
The processing of one step.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (8)
1. a kind of insulation sulfur-tolerant water gas shift device with annular space, it is characterised in that: including shell (17) and internal protection cylinder (18),
Annular space (6) are formed between the shell (17) and internal protection cylinder (18), are sealed in the lower part of the sulfur-tolerant water gas shift device (3)
Head is provided with the low temperature feedstock gas entrance (9) being connected to annular space (6) and the high temperature shift gas being connected to internal protection cylinder (18)
It exports (8), the protection gas outlet (10) being connected to annular space (6) is provided in the top end socket of the sulfur-tolerant water gas shift device (3)
And the high temperature feedstock gas entrance (7) being connected to internal protection cylinder (18), catalysis is provided in the internal protection cylinder (18)
Agent bed (14).
2. the insulation sulfur-tolerant water gas shift device according to claim 1 with annular space, it is characterised in that: in the internal protection
It is provided with gas distributor (13) at the top of cylinder (18), the gas distributor (13) is connected to high temperature feedstock gas entrance (7), described
Gas in internal protection cylinder (18) after reaction enters gas collector (15), the gas collector (15) and high temperature shift gas
Export (8) connection.
3. the insulation sulfur-tolerant water gas shift device according to claim 1 with annular space, it is characterised in that: in the sulphur-resistant conversion
The top end socket of reactor (3) is provided with manhole (19) and thermocouple port (20).
4. the insulation sulfur-tolerant water gas shift device according to claim 1 with annular space, it is characterised in that: in the sulphur-resistant conversion
The bottom head of reactor (3), which is provided with, to be unloaded catalyst hole (21), and the catalyst hole (21) of unloading is connected with catalyst bed (14).
5. the insulation sulfur-tolerant water gas shift device according to claim 1 with annular space, it is characterised in that: in the sulphur-resistant conversion
Wall temperature temperature-measuring port is provided on the internal protection cylinder (18) of reactor (3).
6. the insulation sulfur-tolerant water gas shift device as claimed in any of claims 1 to 5 with annular space, it is characterised in that:
It is provided with axial catalyst bed (14a) in the internal protection cylinder (18), the dress in the axial catalyst bed (14a)
It is filled with sulfur-resistant transformation catalyst, flame-proof sphere (16) are filled in axial catalyst bed (14a) upper and lower end, described interior
Portion protection cylinder (18) bottom is provided with gas collector (15).
7. the insulation sulfur-tolerant water gas shift device as claimed in any of claims 1 to 5 with annular space, it is characterised in that:
It is provided with radial catalyst bed (14b) in the internal protection cylinder (18), the dress in the radial catalyst bed (14b)
It is filled with sulfur-resistant transformation catalyst, it is right with radial catalyst bed (14b) to be provided among the radial catalyst bed (14b)
The gas collector (15) that should be connected to, gas collector (15) upper end are enclosed construction, and lower end goes out with high temperature shift gas
Mouth (8) connection.
8. the insulation sulfur-tolerant water gas shift device according to claim 7 with annular space, it is characterised in that: in the radial catalysis
Using segmentation loading catalyst in agent bed (14b), upper section loads protective agent or inactive catalyst, and lower section filling is resistance to
Sulfur change catalyst is filled with flame-proof sphere (16) in described radial lower end catalyst bed (14b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821174428.8U CN209098186U (en) | 2018-07-24 | 2018-07-24 | A kind of insulation sulfur-tolerant water gas shift device with annular space |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821174428.8U CN209098186U (en) | 2018-07-24 | 2018-07-24 | A kind of insulation sulfur-tolerant water gas shift device with annular space |
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| CN209098186U true CN209098186U (en) | 2019-07-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111732075A (en) * | 2020-06-28 | 2020-10-02 | 南京聚拓化工科技有限公司 | Combined type heat insulation series temperature control shift converter device and shift process |
-
2018
- 2018-07-24 CN CN201821174428.8U patent/CN209098186U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111732075A (en) * | 2020-06-28 | 2020-10-02 | 南京聚拓化工科技有限公司 | Combined type heat insulation series temperature control shift converter device and shift process |
| CN111732075B (en) * | 2020-06-28 | 2023-06-27 | 南京聚拓化工科技有限公司 | Composite heat-insulating serial temperature-control shift converter device and shift process |
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