CN203754661U - Pretreatment device for producing natural gas from coke oven gas - Google Patents
Pretreatment device for producing natural gas from coke oven gas Download PDFInfo
- Publication number
- CN203754661U CN203754661U CN201420119978.5U CN201420119978U CN203754661U CN 203754661 U CN203754661 U CN 203754661U CN 201420119978 U CN201420119978 U CN 201420119978U CN 203754661 U CN203754661 U CN 203754661U
- Authority
- CN
- China
- Prior art keywords
- gas
- washing tower
- communicated
- coke
- desulphurization system
- 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.)
- Expired - Lifetime
Links
- 239000007789 gas Substances 0.000 title claims abstract description 78
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000003345 natural gas Substances 0.000 title claims abstract description 16
- 239000000571 coke Substances 0.000 title abstract description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract description 54
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000005406 washing Methods 0.000 claims description 38
- 239000007921 spray Substances 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 6
- 238000006477 desulfuration reaction Methods 0.000 abstract description 7
- 230000023556 desulfurization Effects 0.000 abstract description 7
- 239000003034 coal gas Substances 0.000 abstract description 6
- 239000003463 adsorbent Substances 0.000 abstract description 2
- 239000003054 catalyst Substances 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 239000003595 mist Substances 0.000 abstract 3
- 230000008929 regeneration Effects 0.000 abstract 2
- 238000011069 regeneration method Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- 239000002594 sorbent Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Industrial Gases (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model relates to a pretreatment device for producing natural gas from coke oven gas. The pretreatment device comprises a blower (1), a cooler (2), an oil removal and naphthalene removal device (3), a desulfurization system (4), coal gas (5), a refined oil removal and naphthalene removal device (6), a crude desulfurization tank (7), a benzene removal device (8) and a benzene removal regeneration gas heater (9) as well as a mist catcher (12), wherein the blower (1), cooler (2), the oil removal and naphthalene removal device (3), the desulfurization system (4), the mist catcher (12), coal gas (5), the refined oil removal and naphthalene removal device (6), the crude desulfurization tank (7), the benzene removal device (8) and the benzene removal regeneration gas heater (9) are connected in sequence. Compared with the prior art, according to the pretreatment device disclosed by the utility model, by increasing the mist catcher, the desulfurization solution is removed from coke oven gas to ensure the application safety and long-term effectiveness of adsorbents and catalysts in subsequent processes.
Description
Technical field
The utility model relates to a kind of coke-oven gas preparing natural gas pre-treatment production equipment.
Background technology
At present in coke-oven gas preparing natural gas pretreatment unit, coke-oven gas is being entrained with various impurity after gas wet desulphurization system, the catalyzer and the adsorbent surface that are easily attached to the de-naphthalene of smart de-oiling, de-benzene series system, have a strong impact on the activity of catalyzer, adsorption effect and the work-ing life of sorbent material; Coke-oven gas can be brought subsequent handling at impurity such as the doctor solutions of carrying secretly after desulphurization system, affects the de-naphthalene of smart de-oiling, the de-activity of benzene system catalyst and the absorption suburb of sorbent material fruit, the steady running that impact is produced.Therefore, designing a kind of coke-oven gas preparing natural gas pre-treatment production equipment of steady running, is the current technical issues that need to address.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of coke-oven gas preparing natural gas pre-treatment production equipment of steady running.
The technical scheme in the invention for solving the technical problem is:
Coke-oven gas preparing natural gas pretreatment unit, comprise gas blower, water cooler, the de-naphthalene device of de-oiling, desulphurization system, gas compressor, the de-naphthalene device of smart de-oiling, thick digester, benzene still and de-benzene resurgent gases well heater, also comprise spray catcher, gas blower, water cooler, the de-naphthalene device of de-oiling, desulphurization system, spray catcher, coal gas, the de-naphthalene device of smart de-oiling, thick digester, benzene still and de-benzene resurgent gases well heater are linked in sequence.
The technical scheme in the invention for solving the technical problem can also be:
Between desulphurization system and spray catcher, be provided with washing tower, the gas inlet of washing tower is communicated with the outlet of desulphurization system, and the gas exit of washing tower is communicated with the import of spray catcher.
Also comprise washing tower, between desulphurization system and spray catcher, be provided with pipe valve, front and back at pipe valve are provided with Y-tube, and the gas inlet of washing tower is communicated with a mouth of pipe for Y-tube before pipe valve, and the gas exit of washing tower is communicated with a mouth of pipe for Y-tube after pipe valve.
Between desulphurization system and spray catcher, be provided with washing tower and gas-liquid separator, the gas inlet of washing tower is communicated with the outlet of desulphurization system, the gas exit of washing tower is communicated with the gas inlet of gas-liquid separator, and the gas exit of gas-liquid separator is communicated with the import of spray catcher.
Also comprise washing tower and gas-liquid separator, between desulphurization system and spray catcher, be provided with pipe valve, front and back at pipe valve are provided with Y-tube, the gas inlet of washing tower is communicated with a mouth of pipe for Y-tube before pipe valve, the gas exit of washing tower is communicated with the gas inlet of gas-liquid separator, and the gas exit of gas-liquid separator is communicated with a mouth of pipe for Y-tube after pipe valve.
Described water cooler is in parallel three, all has independent before three water coolers in parallel; The de-naphthalene device of described de-oiling is in parallel three; The de-naphthalene device of described smart de-oiling is in parallel two; Described thick digester is in parallel two; Described benzene still is in parallel three.
Described gas-liquid separator is in parallel two.
Principle of the present utility model:
Coke-oven gas enters after Root's blower and the water cooler (E1301A ~ C connecting by pipeline again, two open one standby) cooling system of composition is connected, the de-naphthalene device (T1101A ~ C of de-oiling of water cooler bottom use in parallel with three, two open one standby) be connected, then enter desulphurization system desulfurization, the coal gas after desulfurization goes compression section pressurization after removing sweetening agent and impurity by spray catcher or washing tower and spray catcher.
First coke(oven)gas after pressurization enters two by pipeline can smart de-oiling in parallel or that use separately take off naphthalene device, then can be connected by digester in parallel or that use separately with two, and next procedure is gone from the top of benzene still after being connected with benzene still bottom in digester bottom.
Compared with prior art, the utility model is by increasing a set of washing system and spray catcher, removes the impurity such as doctor solution in coke-oven gas, guarantees sorbent material, catalyzer safety in utilization and long-term effectiveness in subsequent handling.
Brief description of the drawings
Fig. 1 is system diagram of the present utility model (the first embodiment);
Fig. 2 is system diagram of the present utility model (the second embodiment);
Fig. 3 is system diagram of the present utility model (the 3rd embodiment);
Fig. 4 is system diagram of the present utility model (the 4th embodiment);
Fig. 5 is prior art systems figure.
Embodiment
Coke-oven gas preparing natural gas pretreatment unit, comprise gas blower 1, water cooler 2, the de-naphthalene device 3 of de-oiling, desulphurization system 4, coal gas 5, the de-naphthalene device 6 of smart de-oiling, thick digester 7, benzene still 8 and de-benzene resurgent gases well heater 9, it is characterized in that, also comprise spray catcher 12, gas blower 1, water cooler 2, the de-naphthalene device 3 of de-oiling, desulphurization system 4, spray catcher 12, coal gas 5, the de-naphthalene device 6 of smart de-oiling, thick digester 7, benzene still 8 and de-benzene resurgent gases well heater 9 are linked in sequence.
Between desulphurization system 4 and spray catcher 12, be provided with washing tower 10, the gas inlet of washing tower 10 is communicated with the outlet of desulphurization system 4, and the gas exit of washing tower 10 is communicated with the import of spray catcher 12.
Also comprise washing tower 10, between desulphurization system 4 and spray catcher 12, be provided with pipe valve, front and back at pipe valve are provided with Y-tube, and the gas inlet of washing tower 10 is communicated with a mouth of pipe for Y-tube before pipe valve, and the gas exit of washing tower 10 is communicated with a mouth of pipe for Y-tube after pipe valve.
Between desulphurization system 4 and spray catcher 12, be provided with washing tower 10 and gas-liquid separator 11, the gas inlet of washing tower 10 is communicated with the outlet of desulphurization system 4, the gas exit of washing tower 10 is communicated with the gas inlet of gas-liquid separator 11, and the gas exit of gas-liquid separator 11 is communicated with the import of spray catcher 12.
Also comprise washing tower 10 and gas-liquid separator 11, between desulphurization system 4 and spray catcher 12, be provided with pipe valve, front and back at pipe valve are provided with Y-tube, the gas inlet of washing tower 10 is communicated with a mouth of pipe for Y-tube before pipe valve, the gas exit of washing tower 10 is communicated with the gas inlet of gas-liquid separator 11, and the gas exit of gas-liquid separator 11 is communicated with a mouth of pipe for Y-tube after pipe valve.
Described water cooler 2 is in parallel three, and three water coolers 2 in parallel are front all independent gas blower 1; The de-naphthalene device 3 of described de-oiling is in parallel three; The de-naphthalene device 6 of described smart de-oiling is in parallel two; Described thick digester 7 is in parallel two; Described benzene still 8 is in parallel three.
Described gas-liquid separator 11 is in parallel two.
Claims (7)
1. coke-oven gas preparing natural gas pretreatment unit, comprise gas blower (1), water cooler (2), de-oiling takes off naphthalene device (3), desulphurization system (4), gas compressor (5), the de-naphthalene device (6) of essence de-oiling, thick digester (7), benzene still (8) and de-benzene resurgent gases well heater (9), it is characterized in that, also comprise spray catcher (12), gas blower (1), water cooler (2), de-oiling takes off naphthalene device (3), desulphurization system (4), spray catcher (12), gas compressor (5), the de-naphthalene device (6) of essence de-oiling, thick digester (7), benzene still (8) and de-benzene resurgent gases well heater (9) are linked in sequence.
2. coke-oven gas preparing natural gas pretreatment unit according to claim 1, it is characterized in that, between desulphurization system (4) and spray catcher (12), be provided with washing tower (10), the gas inlet of washing tower (10) is communicated with the outlet of desulphurization system (4), and the gas exit of washing tower (10) is communicated with the import of spray catcher (12).
3. coke-oven gas preparing natural gas pretreatment unit according to claim 1, it is characterized in that, also comprise washing tower (10), between desulphurization system (4) and spray catcher (12), be provided with pipe valve, front and back at pipe valve are provided with Y-tube, the gas inlet of washing tower (10) is communicated with a mouth of pipe for Y-tube before pipe valve, and the gas exit of washing tower (10) is communicated with a mouth of pipe for Y-tube after pipe valve.
4. coke-oven gas preparing natural gas pretreatment unit according to claim 1, it is characterized in that, between desulphurization system (4) and spray catcher (12), be provided with washing tower (10) and gas-liquid separator (11), the gas inlet of washing tower (10) is communicated with the outlet of desulphurization system (4), the gas exit of washing tower (10) is communicated with the gas inlet of gas-liquid separator (11), and the gas exit of gas-liquid separator (11) is communicated with the import of spray catcher (12).
5. coke-oven gas preparing natural gas pretreatment unit according to claim 1, it is characterized in that, also comprise washing tower (10) and gas-liquid separator (11), between desulphurization system (4) and spray catcher (12), be provided with pipe valve, front and back at pipe valve are provided with Y-tube, the gas inlet of washing tower (10) is communicated with a mouth of pipe for Y-tube before pipe valve, the gas exit of washing tower (10) is communicated with the gas inlet of gas-liquid separator (11), and the gas exit of gas-liquid separator (11) is communicated with a mouth of pipe for Y-tube after pipe valve.
6. according to the coke-oven gas preparing natural gas pretreatment unit described in claim 1,2,3,4 or 5, it is characterized in that, described water cooler (2) is in parallel three, and three water coolers in parallel (2) are front all independent gas blower (1); The de-naphthalene device (3) of described de-oiling is in parallel three; The de-naphthalene device (6) of described smart de-oiling is in parallel two; Described thick digester (7) is in parallel two; Described benzene still (8) is in parallel three.
7. according to the coke-oven gas preparing natural gas pretreatment unit described in claim 4 or 5, it is characterized in that, described gas-liquid separator (11) is in parallel two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420119978.5U CN203754661U (en) | 2014-03-18 | 2014-03-18 | Pretreatment device for producing natural gas from coke oven gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420119978.5U CN203754661U (en) | 2014-03-18 | 2014-03-18 | Pretreatment device for producing natural gas from coke oven gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203754661U true CN203754661U (en) | 2014-08-06 |
Family
ID=51249960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420119978.5U Expired - Lifetime CN203754661U (en) | 2014-03-18 | 2014-03-18 | Pretreatment device for producing natural gas from coke oven gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203754661U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370539A (en) * | 2015-12-02 | 2016-03-02 | 莱芜钢铁集团有限公司 | Bleeding device with gas compressors connected in parallel |
| CN114250087A (en) * | 2021-12-29 | 2022-03-29 | 临涣焦化股份有限公司 | Coke oven gas complex iron pre-cooling pretreatment system and method before desulfurization |
-
2014
- 2014-03-18 CN CN201420119978.5U patent/CN203754661U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370539A (en) * | 2015-12-02 | 2016-03-02 | 莱芜钢铁集团有限公司 | Bleeding device with gas compressors connected in parallel |
| CN114250087A (en) * | 2021-12-29 | 2022-03-29 | 临涣焦化股份有限公司 | Coke oven gas complex iron pre-cooling pretreatment system and method before desulfurization |
| CN114250087B (en) * | 2021-12-29 | 2023-10-03 | 临涣焦化股份有限公司 | Coke oven gas complex iron pre-desulfurization cooling pretreatment system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20161025 Granted publication date: 20140806 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20170425 Granted publication date: 20140806 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |