CN205635519U - High adaptability desorption heavy hydrocarbon's device - Google Patents
High adaptability desorption heavy hydrocarbon's device Download PDFInfo
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- CN205635519U CN205635519U CN201620527975.4U CN201620527975U CN205635519U CN 205635519 U CN205635519 U CN 205635519U CN 201620527975 U CN201620527975 U CN 201620527975U CN 205635519 U CN205635519 U CN 205635519U
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Abstract
The utility model relates to a high adaptability desorption heavy hydrocarbon's device, including adsorbing the tower system, the regeneration gas cooler, the precooler, raw materials gas separator, regeneration gas separator and refrigerant pipeline, raw materials natural gas line and precooler intercommunication, the precooler communicates with raw materials gas separator's upper portion, raw materials gas separator liquid export pipeline's the other end is connected with the precooler, raw materials gas separator gas outlet duct says and is connected with the precooler, the export of adsorbing the tower system still is connected with clean air out pipeline and regeneration gas play adsorption tower pipeline respectively, clean air out pipeline and purified gas collection device intercommunication, the regeneration gas goes out the adsorption tower pipeline other end and is connected with the precooler, regeneration gas separator inlet pipe is with precooler and regeneration gas separator intercommunication. The utility model has the advantages of: strong adaptability, easy operation, the very big operating mode of heavy hydrocarbon content fluctuation range in the suitable natural gas component can change component in the natural gas and make the fast reaction, improves the ability of the long -time steady operation of liquefaction mill.
Description
Technical field
This utility model relates to the technical field of natural gas removing heavy hydrocarbon, the device of a kind of high-adaptability removing heavy hydrocarbon.
Background technology
The natural gas being currently used for natural gas liquefaction device mainly has pipeline gas and Unconventional forage (coke-stove gas, biogas etc.), due to frequent containing heavy hydrocarbon and domestic pipeline gas change of component in pipeline gas, in its liquefaction process, often meet heavy hydrocarbon condense in ice chest and make Cold box blocking and freezing, have a strong impact on stablizing of natural gas liquefaction plant properly functioning, it is also possible to cause security incident.Therefore, the heavy hydrocarbon in removing natural gas, it is ensured that enter heavy hydrocarbons content in the natural gas of liquefaction unit and meet liquefaction duty requirements there is important safety and economic worth.
Feature in view of the most domestic natural gas liquefaction device, the de-heavy hydrocarbon process i.e. using absorption and cryogenic separation to combine has obtained widest application (referring to patent CN201410280330.0, CN201310728979.X, CN201380016729.1), its advantage is that technique is simple, and, source of the gas component little for unit scale is stablized and heavy hydrocarbon total amount (C relatively5+ content) liquefying plant on the low side, can effectively reduce equipment investment, and can effectively remove the component causing ice chest " frozen block ".But, for source of the gas component fluctuation is compared with big and the more liquefying plant of heavy hydrocarbons content, its shortcoming is also apparent from:
1. it is to design according to heavy hydrocarbons content design load due to the loadings of adsorbent, it is impossible to adapt to heavy hydrocarbons content and exceed the raw natural gas component of design load.
2. source of the gas component Rapid Variable Design quickly cannot be responded, cause and cause ice chest refrigerant circuit " frozen block " because heavy hydrocarbon penetrates adsorption tower.As stopped because of " frozen block ", ice chest is heated up and thaws, device can be caused to stop production, a large amount of natural gas is set fire serious economic loss and the wastings of resources such as torch.
Utility model content
The purpose of this utility model is to overcome the shortcoming of prior art, the device of a kind of high-adaptability removing heavy hydrocarbon is provided, by arranging precooler and room temperature adsorption system, employing first condenses the mode adsorbed afterwards and realizes removing the heavy hydrocarbon in natural gas, make the heavy hydrocarbons content of natural gas in entrance adsorption tower not along with in unstripped gas the increase of heavy hydrocarbons content and increase, the requirement of natural fullness caused by stagnant QI foot natural gas liquefaction after making removing heavy hydrocarbon, prevent Cold box blocking and freezing, improve the stable operation ability of liquefying plant, be suitable for the operating mode that in raw natural gas, heavy hydrocarbons content is higher and fluctuation range is bigger.
nullThe purpose of this utility model is achieved through the following technical solutions: the device of a kind of high-adaptability removing heavy hydrocarbon，Including absorption tower system、Regeneration gas cooler、Precooler、Feed gas separator、Regeneration gas separator and refrigerant tubing，Raw natural gas pipeline connects with precooler，The top of precooler and feed gas separator is by pipeline communication after unstripped gas pre-cooling，The bottom of feed gas separator is connected with one end of feed gas separator liquid outlet conduit，The other end of feed gas separator liquid outlet conduit is connected with precooler，The top of feed gas separator is connected with one end of feed gas separator gases exit line，The feed gas separator gases exit line other end is connected with precooler，After rewarming, one end of unstripped gas pipeline is connected with precooler，After rewarming, the other end of unstripped gas pipeline connects with the entrance of absorption tower system，The outlet of absorption tower system has been also respectively connected with clean gas outlet pipeline and regeneration gas goes out adsorption tower pipeline，Clean gas outlet pipeline connects with purifying gas collection device，Regeneration gas goes out the adsorption tower pipeline other end and is connected with precooler，Regeneration gas goes out to be additionally provided with regeneration gas cooler on the pipeline of adsorption tower pipeline，One end of regeneration gas separator inlet duct is connected with precooler，The other end of regeneration gas separator inlet duct is connected with the top of regeneration gas separator，The bottom of regeneration gas separator is connected with one end of regeneration gas separator liquid outlet conduit，The other end of regeneration gas separator liquid outlet conduit is connected with precooler，The top of regeneration gas separator is connected with one end of regeneration gas separator gas outlet conduit，The regeneration gas separator gas outlet conduit other end is connected with precooler，After rewarming, one end of regeneration gas pipeline is connected with precooler，After rewarming, the other end of regeneration gas pipeline is connected with unstripped gas pipeline after rewarming，Refrigerant tubing connects with precooler，And provide cold for precooler，It is provided with regeneration flow control valves on the pipeline of unstripped gas pipeline after described rewarming，Described feed gas separator liquid outlet conduit is provided with feed gas separator fluid level control valve on the pipeline of precooler，Described regeneration gas separator liquid outlet conduit is provided with regeneration gas separator fluid level control valve on the pipeline of precooler.
Described absorption tower system includes that adsorption tower A and adsorption tower B, adsorption tower A are arranged in parallel with adsorption tower B.
Also include that regeneration gas takes feed channel one end and is connected with unstripped gas pipeline after rewarming, regeneration gas takes the feed channel other end and is connected with the entrance of adsorption tower A and adsorption tower B, after described rewarming, after the other end of regeneration gas pipeline and rewarming, unstripped gas pipeline (converges, regeneration gas takes and is additionally provided with regeneration gas in feed channel and adds hot channel, and regeneration gas adds and is provided with regeneration gas heater on the pipeline of hot channel.
Also include that regeneration gas takes feed channel one end and is connected with clean gas outlet pipeline, regeneration gas takes the feed channel other end and is connected with the entrance of adsorption tower A and adsorption tower B, regeneration gas takes and is additionally provided with regeneration gas in feed channel and adds hot channel, and regeneration gas adds and is provided with regeneration gas heater on the pipeline of hot channel.
Being additionally provided with regeneration gas compressor after also including rewarming on the pipeline of regeneration gas pipeline, after also including described rewarming, the other end of the pipeline of regeneration gas pipeline connects with feed gas compressor entrance or makees other purposes.
Described absorption tower system includes that adsorption tower A, adsorption tower B and adsorption tower C, adsorption tower A, adsorption tower B and adsorption tower C are arranged in parallel.
Also include that regeneration gas takes feed channel one end and is connected with unstripped gas pipeline after rewarming, regeneration gas takes the other end of feed channel and is connected with absorption tower system entrance, after described rewarming, after the other end of regeneration gas pipeline and rewarming, unstripped gas pipeline converges, being additionally provided with regeneration gas and add hot channel between outlet and the entrance of absorption tower system, regeneration gas adds and is additionally provided with regeneration gas heater on hot channel.
Also include that regeneration gas takes feed channel one end and is connected with clean gas outlet pipeline, regeneration gas takes the other end of feed channel and is connected with absorption tower system entrance, being additionally provided with regeneration gas and add hot channel between outlet and the entrance of absorption tower system, regeneration gas adds and is additionally provided with regeneration gas heater on hot channel.
Being additionally provided with regeneration gas compressor after also including rewarming on the pipeline of regeneration gas pipeline, after also including described rewarming, the other end of the pipeline of regeneration gas pipeline connects with feed gas compressor entrance or makees other purposes.This utility model has the advantage that
1, utilization first condenses and adsorbs the de-heavy hydrocarbon technique combined afterwards, the change of heavy hydrocarbon can be adapted on a large scale, natural gas pre-cooling simultaneously and regeneration gas cooling are self-contained process, it is not affected by other factors, source of the gas component Rapid Variable Design quickly can be responded, farthest ensure the stable operation of liquefaction system.
2, regeneration gas separates, after regeneration gas cooler and precooler cool down, the heavy hydrocarbon contained in regeneration gas, regeneration gas can be made will not to carry too much heavy hydrocarbon when returning in process gas, reduce the load of de-heavy hydrocarbon tower, reduce plant investment.
When 3, using two-tower process, equipment and sequencing valve is less reduces equipment investment.
When 4, using three-column process flow, the heat of the adsorption tower heated can be transferred to when blowing cold next tower, reduce system energy consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of first embodiment of this utility model；
Fig. 2 is the structural representation of second embodiment of this utility model；
Fig. 3 is the structural representation of the 3rd embodiment of this utility model；
Fig. 4 is the structural representation of the 4th embodiment of this utility model；
Fig. 5 is the structural representation of the 5th embodiment of this utility model；
Fig. 6 is the structural representation of the 6th embodiment of this utility model；
nullIn figure: 1-adsorption tower A，2-adsorption tower B，3-adsorption tower C，4-regeneration gas heater，5-regeneration gas cooler，6-precooler，7-feed gas separator，8-regeneration gas separator，9-raw natural gas pipeline，10-feed gas separator liquid outlet conduit，11-feed gas separator gases exit line，Unstripped gas pipeline after 12-rewarming，13-regeneration gas takes feed channel，14-regeneration gas adds hot channel，15-clean gas outlet pipeline，16-regeneration gas separator inlet duct，17-regeneration gas separator gas outlet conduit，18-regeneration gas separator liquid outlet conduit，19-refrigerant tubing，20-regeneration flow control valves，Pipeline after 21-unstripped gas pre-cooling，22-regeneration gas compressor，Regeneration gas pipeline after 23-rewarming，24-regeneration gas goes out adsorption tower pipeline.
Detailed description of the invention
With embodiment, this utility model is further described below in conjunction with the accompanying drawings, but protection domain of the present utility model is not limited to the following stated.
[embodiment one]:
nullAs shown in Figure 1，A kind of device of high-adaptability removing heavy hydrocarbon，Including absorption tower system、Regeneration gas cooler 5、Precooler 6、Feed gas separator 7、Regeneration gas separator 8 and refrigerant tubing 19，Described absorption tower system includes adsorption tower A1 and adsorption tower B2，Adsorption tower A1 is arranged in parallel with adsorption tower B2，Raw natural gas pipeline 9 connects with precooler 6，Precooler 6 is connected by pipeline 21 after unstripped gas pre-cooling with the top of feed gas separator 7，The bottom of feed gas separator 7 is connected with one end of feed gas separator liquid outlet conduit 10，The other end of feed gas separator liquid outlet conduit 10 is connected with precooler 6，The top of feed gas separator 7 is connected with one end of feed gas separator gases exit line 11，Feed gas separator gases exit line 11 other end is connected with precooler 6，After rewarming, one end of unstripped gas pipeline 12 is connected with precooler 6，After rewarming, the other end of unstripped gas pipeline 12 connects with the entrance of adsorption tower A1 and adsorption tower B2，The outlet of adsorption tower A1 and adsorption tower B2 has been also respectively connected with clean gas outlet pipeline 15 and regeneration gas goes out adsorption tower pipeline 24，Clean gas outlet pipeline 15 connects with purifying gas collection device，Regeneration gas goes out adsorption tower pipeline 24 other end and is connected with precooler 6，Regeneration gas goes out to be additionally provided with regeneration gas cooler 5 on the pipeline of adsorption tower pipeline 24，One end of regeneration gas separator inlet duct 16 is connected with precooler 6，The other end of regeneration gas separator inlet duct 16 is connected with the top of regeneration gas separator 8，The bottom of regeneration gas separator 8 is connected with one end of regeneration gas separator liquid outlet conduit 18，The other end of regeneration gas separator liquid outlet conduit 18 is connected with precooler 6，The top of regeneration gas separator 8 is connected with one end of regeneration gas separator gas outlet conduit 17，Regeneration gas separator gas outlet conduit 17 other end is connected with precooler 6，After rewarming, one end of regeneration gas pipeline 23 is connected with precooler 6，After rewarming, the other end of regeneration gas pipeline 23 is connected with unstripped gas pipeline 12 after rewarming，Refrigerant tubing 19 connects with precooler 6，And provide cold for precooler 6，Regeneration flow control valves 20 it is provided with on the pipeline of unstripped gas pipeline 12 after described rewarming，Described feed gas separator liquid outlet conduit 10 is provided with feed gas separator fluid level control valve on the pipeline of precooler 6，Described regeneration gas separator liquid outlet conduit 18 is provided with regeneration gas separator fluid level control valve on the pipeline of precooler 6.
Also include that regeneration gas takes feed channel 13, regeneration gas takes feed channel 13 one end and is connected with unstripped gas pipeline 12 after rewarming, regeneration gas takes feed channel 13 other end and is connected with the entrance of adsorption tower A1 and adsorption tower B2, regeneration gas takes and is additionally provided with regeneration gas in feed channel 13 and adds hot channel 14, and regeneration gas adds and is provided with regeneration gas heater 4 on the pipeline of hot channel 14.
The method using the device described in this embodiment comprises the following steps:
S1, adsorption process: raw natural gas first passes through precooler 6 by raw natural gas passage 9 and is cooled to-60～10 DEG C, realizes the initial gross separation of heavy hydrocarbon in raw natural gas subsequently into feed gas separator 7.Liquid portion is entered in precooler 6 by feed gas separator liquid outlet conduit 10 and enters heavy hydrocarbon storage tank by feed gas separator fluid level control valve after rewarming, gas part is entered rewarming in precooler 6 by feed gas separator gases exit line 11, enter back in adsorption tower A1 and adsorb, gas after removing heavy hydrocarbon enters clean gas outlet pipeline 15, and 6 chilling requirements of precooler are provided by by the cold-producing medium of refrigerant tubing 19；
S2, regenerative process: regeneration gas enters in adsorption tower B2 after regeneration gas heater 4 is warming up to 200～280 DEG C, the adsorbent in adsorption tower B2 is made to heat up, heavy hydrocarbon in adsorption tower B2 is resolved out simultaneously, resolution gas is cooled to 5～60 DEG C through regeneration gas cooler 5, enter back into precooler 6 and be cooled to-60～10 DEG C, resolution gas after cooling enters in regeneration gas separator 8 and carries out gas-liquid separation, liquid portion enters heavy hydrocarbon storage tank by regeneration gas separator fluid level control valve after regeneration gas separator liquid outlet conduit 18 enters precooler 6 rewarming, gas part is entered precooler 6 rewarming to room temperature by regeneration gas separator gas outlet conduit 17；
S3, cold blowing process: cold blowing gas enters adsorption tower B2, enter regeneration gas cooler 5 from adsorption tower B2 cold blowing gas out and be cooled to 5～60 DEG C, enter back into precooler 6 and be cooled to-60～10 DEG C, cold blowing gas after cooling enters in regeneration gas separator 8 and carries out gas-liquid separation, liquid portion enters heavy hydrocarbon storage tank by regeneration gas separator fluid level control valve after regeneration gas separator liquid outlet conduit 18 enters precooler 6 rewarming, and gas part is entered precooler 6 rewarming to room temperature by regeneration gas separator gas outlet conduit 17；
S4, adsorption tower A1 carry out regenerating and cold blowing process, and adsorption tower B2 carries out adsorption process；
S5, adsorption tower A1, adsorption tower B2 alternate cycles carry out adsorbing, regenerating and cold blowing process.
[embodiment two]:
nullAs shown in Figure 2，A kind of device of high-adaptability removing heavy hydrocarbon，Including absorption tower system、Regeneration gas cooler 5、Precooler 6、Feed gas separator 7、Regeneration gas separator 8 and refrigerant tubing 19，Described absorption tower system includes adsorption tower A1 and adsorption tower B2，Adsorption tower A1 is arranged in parallel with adsorption tower B2，Raw natural gas pipeline 9 connects with precooler 6，Precooler 6 is connected by pipeline 21 after unstripped gas pre-cooling with the top of feed gas separator 7，The bottom of feed gas separator 7 is connected with one end of feed gas separator liquid outlet conduit 10，The other end of feed gas separator liquid outlet conduit 10 is connected with precooler 6，The top of feed gas separator 7 is connected with one end of feed gas separator gases exit line 11，Feed gas separator gases exit line 11 is connected with precooler 6，After rewarming, one end of unstripped gas pipeline 12 is connected with precooler 6，After rewarming, the other end of unstripped gas pipeline 12 connects with the entrance of adsorption tower A1 and adsorption tower B2，The outlet of adsorption tower A1 and adsorption tower B2 has been also respectively connected with clean gas outlet pipeline 15 and regeneration gas goes out adsorption tower pipeline 24，Clean gas outlet pipeline 15 connects with purifying gas collection device，Regeneration gas goes out adsorption tower pipeline 24 other end and is connected with precooler 6，Regeneration gas goes out to be additionally provided with regeneration gas cooler 5 on the pipeline of adsorption tower pipeline 24，One end of regeneration gas separator inlet duct 16 is connected with precooler 6，The other end of regeneration gas separator inlet duct 16 connects with the top of regeneration gas separator 8，The bottom of regeneration gas separator 8 is connected with one end of regeneration gas separator liquid outlet conduit 18，The other end of regeneration gas separator liquid outlet conduit 18 is connected with precooler 6，The top of regeneration gas separator 8 is connected with one end of regeneration gas separator gas outlet conduit 17，Regeneration gas separator gas outlet conduit 17 other end is connected with precooler 6，After rewarming, one end of regeneration gas pipeline 23 is connected with precooler 6，After rewarming, the other end of regeneration gas pipeline 23 is connected with unstripped gas pipeline 12 after rewarming，Refrigerant tubing 19 connects with precooler 6，And provide cold for precooler 6，Described regeneration gas takes and is provided with regeneration flow control valves 20 on the pipeline of feed channel 13，Described feed gas separator liquid outlet conduit 10 is provided with feed gas separator fluid level control valve on the pipeline after precooler 6 rewarming，Described regeneration gas device separation liquid outlet conduit 18 is provided with regeneration gas separator fluid level control valve on the pipeline after precooler 6 rewarming.
Also include that regeneration gas takes feed channel 13, regeneration gas takes feed channel 13 one end and is connected with clean gas outlet pipeline 15, regeneration gas takes feed channel 13 other end and is connected with the entrance of adsorption tower A1 and adsorption tower B2, regeneration gas takes and is additionally provided with regeneration gas in feed channel 13 and adds hot channel 14, and regeneration gas adds and is provided with regeneration gas heater 4 on the pipeline of hot channel 14.
Regeneration gas compressor 22 it is additionally provided with on the pipeline of regeneration gas pipeline 23 after also including rewarming.
The method using the device described in this embodiment comprises the following steps:
S1, adsorption process: raw natural gas first passes through precooler 6 by raw natural gas passage 9 and is cooled to-60～10 DEG C, the initial gross separation of heavy hydrocarbon in raw natural gas is realized subsequently into feed gas separator 7, liquid portion is entered in precooler 6 by feed gas separator liquid outlet conduit 10 and enters heavy hydrocarbon storage tank by feed gas separator fluid level control valve after rewarming, gas part is entered rewarming in precooler 6 by feed gas separator gases exit line 11, enter back in adsorption tower A1 and adsorb, gas after removing heavy hydrocarbon enters clean gas outlet pipeline 15, 6 chilling requirements of precooler are provided by by the cold-producing medium of refrigerant tubing 19；
S2, regenerative process: regeneration gas enters in adsorption tower B2 after regeneration gas heater 4 is warming up to 200～280 DEG C, the adsorbent in adsorption tower B2 is made to heat up, heavy hydrocarbon in adsorption tower B2 is resolved out simultaneously, resolution gas is cooled to 5～60 DEG C through regeneration gas cooler 5, enter back into precooler 6 and be cooled to-60～10 DEG C, resolution gas after cooling enters in regeneration gas separator 8 and carries out gas-liquid separation, liquid portion enters heavy hydrocarbon storage tank by regeneration gas separator fluid level control valve after regeneration gas separator liquid outlet conduit 18 enters precooler 6 rewarming, gas part by regeneration gas separator gas outlet conduit 17 enter precooler 6 rewarming to after room temperature by pipeline 23 after regeneration gas compressor 22 compresses with rewarming after raw natural gas converge in pipeline 12；
S3, cold blowing process: cold blowing gas enters adsorption tower B2, enter regeneration gas cooler 5 from adsorption tower B2 cold blowing gas out and be cooled to 5～60 DEG C, enter back into precooler 6 and be cooled to-60～10 DEG C, cold blowing gas after cooling enters in regeneration gas separator 8 and carries out gas-liquid separator, liquid portion enters heavy hydrocarbon storage tank by regeneration gas separator fluid level control valve after regeneration gas separator liquid outlet conduit 18 enters precooler 6 rewarming, gas part by regeneration gas separator gas outlet conduit 17 enter precooler 6 rewarming to after room temperature by pipeline 23 after regeneration gas compressor 22 compresses with rewarming after raw natural gas converge in pipeline 12；
S4, adsorption tower A1 carry out regenerating and cold blowing process, and adsorption tower B2 carries out adsorption process；
S5, adsorption tower A1, adsorption tower B2 alternate cycles carry out adsorbing, regenerating and cold blowing process.
[embodiment three]:
nullAs shown in Figure 3，A kind of device of high-adaptability removing heavy hydrocarbon，Including absorption tower system、Regeneration gas cooler 5、Precooler 6、Feed gas separator 7、Regeneration gas separator 8 and refrigerant tubing 19，Described absorption tower system includes adsorption tower A1 and adsorption tower B2，Adsorption tower A1 is arranged in parallel with adsorption tower B2，Raw natural gas pipeline 9 connects with precooler 6，Precooler 6 is connected by pipeline 21 after unstripped gas pre-cooling with the top of feed gas separator 7，The bottom of feed gas separator 7 is connected with one end of feed gas separator liquid outlet conduit 10，The other end of feed gas separator liquid outlet conduit 10 is connected with precooler 6，The top of feed gas separator 7 is connected with one end of feed gas separator gases exit line 11，Feed gas separator gases exit line 11 is connected with precooler 6，After rewarming, one end of unstripped gas pipeline 12 is connected with precooler 6，After rewarming, the other end of unstripped gas pipeline 12 connects with the entrance of adsorption tower A1 and adsorption tower B2，The outlet of adsorption tower A1 and adsorption tower B2 has been also respectively connected with clean gas outlet pipeline 15 and regeneration gas goes out adsorption tower pipeline 24，Clean gas outlet pipeline 15 connects with purifying gas collection device，Regeneration gas goes out adsorption tower pipeline 24 other end and is connected with precooler 6，Regeneration gas goes out to be additionally provided with regeneration gas cooler 5 on the pipeline of adsorption tower pipeline 24，One end of regeneration gas separator inlet duct 16 is connected with precooler 6，The other end of regeneration gas separator inlet duct 16 connects with the top of regeneration gas separator 8，The bottom of regeneration gas separator 8 is connected with one end of regeneration gas separator liquid outlet conduit 18，The other end of regeneration gas separator liquid outlet conduit 18 is connected with precooler 6，The top of regeneration gas separator 8 is connected with one end of regeneration gas separator gas outlet conduit 17，Regeneration gas separator gas outlet conduit 17 other end is connected with precooler 6，After rewarming, one end of regeneration gas pipeline 23 is connected with precooler 6，After rewarming, the other end of regeneration gas pipeline 23 goes feed gas compressor or other purposes，Refrigerant tubing 19 connects with precooler 6，And provide cold for precooler 6，Described regeneration gas takes and is provided with regeneration flow control valves 20 on the pipeline of feed channel 13，Described feed gas separator liquid outlet conduit 10 is provided with feed gas separator fluid level control valve on the pipeline after precooler 6 rewarming，Described regeneration gas device separation liquid outlet conduit 18 is provided with regeneration gas separator fluid level control valve on the pipeline after precooler 6 rewarming.
Also include that regeneration gas takes feed channel 13, regeneration gas takes feed channel 13 one end and is connected with clean gas outlet pipeline 15, regeneration gas takes feed channel 13 other end and is connected with the entrance of adsorption tower A1 and adsorption tower B2, regeneration gas takes and is additionally provided with regeneration gas in feed channel 13 and adds hot channel 14, and regeneration gas adds and is provided with regeneration gas heater 4 on the pipeline of hot channel 14.
The method using the device described in this embodiment comprises the following steps:
S1, adsorption process: raw natural gas first passes through precooler 6 by raw natural gas passage 9 and is cooled to-60～10 DEG C, the initial gross separation of heavy hydrocarbon in raw natural gas is realized subsequently into feed gas separator 7, liquid portion is entered in precooler 6 by feed gas separator liquid outlet conduit 10 and enters heavy hydrocarbon storage tank by feed gas separator fluid level control valve after rewarming, gas part is entered rewarming in precooler 6 by feed gas separator gases exit line 11, enter back in adsorption tower A1 and adsorb, gas after absorption enters clean gas outlet pipeline 15, 6 chilling requirements of precooler are provided by by the cold-producing medium of refrigerant tubing 19；
S2, regenerative process: regeneration gas enters in adsorption tower B2 after regeneration gas heater 4 is warming up to 200～280 DEG C, the adsorbent in adsorption tower B2 is made to heat up, heavy hydrocarbon in adsorption tower B2 is resolved out simultaneously, resolution gas is cooled to 5～60 DEG C through regeneration gas cooler 5, enter back into precooler 6 and be cooled to-60～10 DEG C, resolution gas after cooling enters in regeneration gas separator 8 and carries out gas-liquid separation, liquid portion enters heavy hydrocarbon storage tank by regeneration gas separator fluid level control valve after regeneration gas separator liquid outlet conduit 18 enters precooler 6 rewarming, gas part is entered precooler 6 rewarming by regeneration gas separator gas outlet conduit 17 and is drained into raw natural gas suction port of compressor by pipeline 23 or made other purposes after precooler rewarming after room temperature；
S3, cold blowing process: cold blowing gas enters adsorption tower B2, enter regeneration gas cooler 5 from adsorption tower B2 cold blowing gas out and be cooled to 5～60 DEG C, enter back into precooler 6 and be cooled to-60～10 DEG C, cold blowing gas after cooling enters in regeneration gas separator 8 and carries out gas-liquid separation, liquid portion enters heavy hydrocarbon storage tank by regeneration gas separator fluid level control valve after regeneration gas separator liquid outlet conduit 18 enters precooler 6 rewarming, gas part is entered precooler 6 rewarming by regeneration gas separator gas outlet conduit 17 and is drained into raw natural gas suction port of compressor by pipeline 23 or made other purposes after precooler rewarming after room temperature；
S4, adsorption tower A1 carry out regenerating and cold blowing process, and adsorption tower B2 carries out adsorption process；
S5, adsorption tower A1, adsorption tower B2 alternate cycles carry out adsorbing, regenerating and cold blowing process.
[embodiment four]:
nullAs shown in Figure 4，A kind of device of high-adaptability removing heavy hydrocarbon，Including absorption tower system、Regeneration gas cooler 5、Precooler 6、Feed gas separator 7、Regeneration gas separator 8 and refrigerant tubing 19，Described absorption tower system includes adsorption tower A1、Adsorption tower B2 and adsorption tower C3，Adsorption tower A1、Adsorption tower B2 and adsorption tower C3 is arranged in parallel，Raw natural gas pipeline 9 connects with precooler 6，Precooler 6 is connected by pipeline 21 after unstripped gas pre-cooling with the top of feed gas separator 7，The bottom of feed gas separator 7 is connected with one end of feed gas separator liquid outlet conduit 10，The other end of feed gas separator liquid outlet conduit 10 is connected with precooler 6，The top of feed gas separator 7 is connected with one end of feed gas separator gases exit line 11，Feed gas separator gases exit line 11 other end links with precooler 6，After rewarming, one end of unstripped gas pipeline 12 is connected with precooler 6，The other end of unstripped gas pipeline 12 and adsorption tower A1 after rewarming、Adsorption tower B2 connects with the entrance of adsorption tower C3，Adsorption tower A1、The outlet of adsorption tower B2 and adsorption tower C3 has been also respectively connected with clean gas outlet pipeline 15、Regeneration gas goes out adsorption tower pipeline 24 and regeneration gas adds hot channel 14，Clean gas outlet pipeline 15 connects with purifying gas collection device，Regeneration gas goes out adsorption tower pipeline 24 other end and is connected with precooler 6，Regeneration gas adds hot channel 14 other end and adsorption tower A1、Adsorption tower B2 connects with the entrance of adsorption tower C3，Regeneration gas goes out to be additionally provided with regeneration gas cooler 5 on the pipeline of adsorption tower pipeline 24，Regeneration gas separator inlet duct 16 connects with the top of regeneration gas separator 8，The bottom of regeneration gas separator 8 is connected with one end of regeneration gas separator liquid outlet conduit 18，The other end of regeneration gas separator liquid outlet conduit 18 is connected with precooler 6，The top of regeneration gas separator 8 is connected with one end of regeneration gas separator gas outlet conduit 17，The other end of regeneration gas separator gas outlet conduit 17 is connected with precooler 6，After rewarming, one end of regeneration gas pipeline 23 is connected with precooler 6，After rewarming, after the other end of regeneration gas pipeline 23 and rewarming, unstripped gas pipeline 12 converges，Refrigerant tubing 19 connects with precooler 6，And provide cold for precooler 6，Regeneration flow control valves 20 it is provided with on the pipeline of unstripped gas pipeline 12 after described rewarming，Described feed gas separator liquid outlet conduit 10 after precooler 6 rewarming pipeline on be provided with feed gas separator fluid level control valve，Described regeneration gas separator liquid outlet conduit 18 after precooler 6 rewarming pipeline on be provided with regeneration gas separator fluid level control valve.
Also including that regeneration gas takes feed channel 13, regeneration gas takes feed channel 13 one end and is connected with unstripped gas pipeline 12 after rewarming, and regeneration gas takes the other end of feed channel 13 and is connected with absorption tower system entrance.Being additionally provided with regeneration gas between described adsorption tower A1, adsorption tower B2 and the outlet of adsorption tower C3 and entrance and add hot channel 14, regeneration gas adds and is additionally provided with regeneration gas heater 4 on hot channel 14.
The method using the device described in this embodiment comprises the following steps:
A, adsorption process: raw natural gas first passes through precooler 6 by raw natural gas passage 9 and is cooled to-60～10 DEG C, the initial gross separation of heavy hydrocarbon in raw natural gas is realized subsequently into feed gas separator 7, liquid portion is entered in precooler 6 by feed gas separator liquid outlet conduit 10 and enters heavy hydrocarbon storage tank by feed gas separator fluid level control valve after rewarming, gas part is entered rewarming in precooler 6 by feed gas separator gases exit line 11, enter back in adsorption tower A1 and adsorb, gas after removing heavy hydrocarbon enters clean gas outlet pipeline 15, 6 chilling requirements of precooler are provided by by the cold-producing medium of refrigerant tubing 19；
B, regenerative process: enter after regeneration gas heater 4 is warming up to 200～280 DEG C adsorption tower C3 from cold blowing process adsorption tower B2 cold blowing gas out, the adsorbent in adsorption tower C3 is made to heat up, heavy hydrocarbon in adsorption tower C3 is resolved out simultaneously, resolution gas is cooled to 5～60 DEG C through regeneration gas cooler 5, enter back into precooler 6 and be cooled to-60～10 DEG C, resolution gas after cooling enters in regeneration gas separator 8 and carries out gas-liquid separation, liquid portion enters heavy hydrocarbon storage tank by regeneration gas separator fluid level control valve after precooler 6 rewarming, gas part through precooler 6 rewarming to room temperature；
C, cold blowing process: cold blowing gas enters adsorption tower B2, entered after regeneration gas heater 4 heats as regeneration gas by pipeline 14 from adsorption tower B2 cold blowing gas out；
D, adsorption tower A1 carry out regenerative process, and adsorption tower B2 carries out adsorption process, and adsorption tower C3 carries out cold blowing process；
E, adsorption tower A1 carry out cold blowing process, and adsorption tower B2 carries out regenerative process, and adsorption tower C3 carries out adsorption process.
F, adsorption tower A1, adsorption tower B2, adsorption tower C3 alternate cycles carry out adsorbing, regenerate, cold blowing process.
[embodiment five]:
nullAs shown in Figure 5，A kind of device of high-adaptability removing heavy hydrocarbon，Including absorption tower system、Regeneration gas cooler 5、Precooler 6、Feed gas separator 7、Regeneration gas separator 8 and refrigerant tubing 19，Described absorption tower system includes adsorption tower A1、Adsorption tower B2 and adsorption tower C3，Adsorption tower A1、Adsorption tower B2 and adsorption tower C3 is arranged in parallel，Raw natural gas pipeline 9 connects with precooler 6，Precooler 6 is connected by pipeline 21 after unstripped gas pre-cooling with the top of feed gas separator 7，The bottom of feed gas separator 7 is connected with one end of feed gas separator liquid outlet conduit 10，The other end of feed gas separator liquid outlet conduit 10 is connected with precooler 6，The top of feed gas separator 7 is connected with one end of feed gas separator gases exit line 11，Feed gas separator gases exit line 11 other end is connected with precooler 6，After rewarming, one end of unstripped gas pipeline 12 is connected with precooler 6，The other end of unstripped gas pipeline 12 and adsorption tower A1 after rewarming、Adsorption tower B2 connects with the entrance of adsorption tower C3，Adsorption tower A1、The outlet of adsorption tower B2 and adsorption tower C3 has been also respectively connected with clean gas outlet pipeline 15、Regeneration gas goes out adsorption tower pipeline 24 and regeneration gas adds hot channel 14，Clean gas outlet pipeline 15 connects with purifying gas collection device，Regeneration gas goes out adsorption tower pipeline 24 other end and is connected with precooler 6，Regeneration gas adds hot channel 14 other end and adsorption tower A1、Adsorption tower B2 connects with the entrance of adsorption tower C3，Regeneration gas goes out to be also equipped with regeneration gas cooler 5 on the pipeline of adsorption tower pipeline 24，Regeneration gas separator inlet duct 16 connects with the top of regeneration gas separator 8，The bottom of regeneration gas separator 8 is connected with one end of regeneration gas separator liquid outlet conduit 18，The other end of regeneration gas separator liquid outlet conduit 18 is connected with precooler 6，The top of regeneration gas separator 8 is connected with one end of regeneration gas separator gas outlet conduit 17，The other end of regeneration gas separator gas outlet conduit 17 is connected with precooler 6，After rewarming, one end of regeneration gas pipeline 23 is connected with precooler 6，After rewarming, after the other end of regeneration gas pipeline 23 and rewarming, unstripped gas pipeline 12 converges，Refrigerant tubing 19 connects with precooler 6，And provide cold for precooler 6，Described regeneration gas takes and is provided with regeneration flow control valves 20 on the pipeline of feed channel 13，It is provided with feed gas separator fluid level control valve on the described pipeline after feed gas separator liquid outlet conduit 10 pre-cooled device 6 rewarming，It is provided with regeneration gas separator fluid level control valve on the described pipeline after regeneration gas separator liquid outlet conduit 18 pre-cooled device 6 rewarming.
Also including that regeneration gas takes feed channel 13, regeneration gas takes feed channel 13 one end and is connected with clean gas outlet pipeline 15, and regeneration gas takes the other end of feed channel 13 and is connected with absorption tower system entrance.Being additionally provided with regeneration gas between described adsorption tower A1, adsorption tower B2 and the outlet of adsorption tower C3 and entrance and add hot channel 14, regeneration gas adds and is also equipped with regeneration gas heater 4 on hot channel 14.
Regeneration gas compressor 22 it is additionally provided with on the pipeline of regeneration gas pipeline 23 after also including rewarming.
The method using the device described in this embodiment comprises the following steps:
A, adsorption process: raw natural gas first passes through precooler 6 by raw natural gas passage 9 and is cooled to-60～10 DEG C, the initial gross separation of heavy hydrocarbon in raw natural gas is realized subsequently into feed gas separator 7, liquid portion is entered in precooler 6 by feed gas separator liquid outlet conduit 10 and enters heavy hydrocarbon storage tank by feed gas separator fluid level control valve after rewarming, gas part is entered rewarming in precooler 6 by feed gas separator gases exit line 11, enter back in adsorption tower A1 and adsorb, gas after removing heavy hydrocarbon enters clean gas outlet pipeline 15, 6 chilling requirements of precooler are provided by by the cold-producing medium of refrigerant tubing 19；
B, regenerative process: enter after regeneration gas heater 4 is warming up to 200～280 DEG C adsorption tower C3 from cold blowing process adsorption tower B2 out cold blowing gas, the adsorbent in adsorption tower C3 is made to heat up, heavy hydrocarbon in adsorption tower C3 is resolved out simultaneously, resolution gas is cooled to 5～60 DEG C through regeneration gas cooler 5, enter back into precooler 6 and be cooled to-60～10 DEG C, resolution gas after cooling enters in regeneration gas separator 8 and carries out gas-liquid separation, liquid portion enters heavy hydrocarbon storage tank by regeneration gas separator fluid level control valve after precooler 6 rewarming, gas part after precooler 6 rewarming to room temperature by pipeline 23 through regeneration gas compressor 22 compress after with rewarming after raw natural gas converge in pipeline 12；
C, cold blowing process: cold blowing gas enters adsorption tower B2, entered after regeneration gas heater 4 heats as regeneration gas by pipeline 14 from adsorption tower B2 cold blowing gas out;
D, adsorption tower A1 carry out regenerative process, and adsorption tower B2 carries out adsorption process, and adsorption tower C3 carries out cold blowing process；
E, adsorption tower A1 carry out cold blowing process, and adsorption tower B2 carries out regenerative process, and adsorption tower C3 carries out adsorption process.
F, adsorption tower A1, adsorption tower B2, adsorption tower C3 alternate cycles carry out adsorbing, regenerate, cold blowing process.
[embodiment six]:
nullAs shown in Figure 6，A kind of device of high-adaptability removing heavy hydrocarbon，Including absorption tower system、Regeneration gas cooler 5、Precooler 6、Feed gas separator 7、Regeneration gas separator 8 and refrigerant tubing 19，Described absorption tower system includes adsorption tower A1、Adsorption tower B2 and adsorption tower C3，Adsorption tower A1、Adsorption tower B2 and adsorption tower C3 is arranged in parallel，Raw natural gas pipeline 9 connects with precooler 6，Precooler 6 is connected by pipeline 21 after unstripped gas pre-cooling with the top of feed gas separator 7，The bottom of feed gas separator 7 is connected with one end of feed gas separator liquid outlet conduit 10，The other end of feed gas separator liquid outlet conduit 10 is connected with precooler 6，The top of feed gas separator 7 is connected with one end of feed gas separator gases exit line 11，Feed gas separator gases exit line 11 other end is connected with precooler 6，After rewarming, one end of unstripped gas pipeline 12 is connected with precooler 6，The other end of unstripped gas pipeline 12 and adsorption tower A1 after rewarming、Adsorption tower B2 connects with the entrance of adsorption tower C3，Adsorption tower A1、The outlet of adsorption tower B2 and adsorption tower C3 has been also respectively connected with clean gas outlet pipeline 15、Regeneration gas goes out adsorption tower pipeline 24 and regeneration gas adds hot channel 14，Clean gas outlet pipeline 15 connects with purifying gas collection device，Regeneration gas goes out adsorption tower pipeline 24 other end and is connected with precooler 6，Regeneration gas adds hot channel 14 other end and adsorption tower A1、Adsorption tower B2 connects with the entrance of adsorption tower C3，Regeneration gas goes out to be additionally provided with regeneration gas cooler 5 on the pipeline of adsorption tower pipeline 24，Regeneration gas separator inlet duct 16 connects with the top of regeneration gas separator 8，The bottom of regeneration gas separator 8 is connected with one end of regeneration gas separator liquid outlet conduit 18，The other end of regeneration gas separator liquid outlet conduit 18 is connected with precooler 6，The top of regeneration gas separator 8 is connected with one end of regeneration gas separator gas outlet conduit 17，The other end of regeneration gas separator gas outlet conduit 17 is connected with precooler 6，After rewarming, one end of regeneration gas pipeline 23 is connected with precooler 6，After rewarming, the other end of regeneration gas pipeline 23 removes feed compressor entrance or makees other purposes，Refrigerant tubing 19 connects with precooler 6，And provide cold for precooler 6，Described regeneration gas takes and is provided with regeneration flow control valves 20 on the pipeline of feed channel 13，It is provided with feed gas separator fluid level control valve on the described pipeline after feed gas separator liquid outlet conduit 10 pre-cooled device 6 rewarming，It is provided with regeneration gas separator fluid level control valve on the described pipeline after regeneration gas separator liquid outlet conduit 18 pre-cooled device 6 rewarming.
Also including that regeneration gas takes feed channel 13, regeneration gas takes feed channel 13 one end and is connected with clean gas outlet pipeline 15, and regeneration gas takes the other end of feed channel 13 and is connected with absorption tower system entrance.Being additionally provided with regeneration gas between described adsorption tower A1, adsorption tower B2 and the outlet of adsorption tower C3 and entrance and add hot channel 14, regeneration gas adds and is also equipped with regeneration gas heater 4 on hot channel 14.
The method using the device described in this embodiment comprises the following steps:
A, adsorption process: raw natural gas first passes through precooler 6 by raw natural gas passage 9 and is cooled to-60～10 DEG C, the initial gross separation of heavy hydrocarbon in raw natural gas is realized subsequently into feed gas separator 7, liquid portion is entered in precooler 6 by feed gas separator liquid outlet conduit 10 and enters heavy hydrocarbon storage tank by feed gas separator fluid level control valve after rewarming, gas part is entered rewarming in precooler 6 by feed gas separator gases exit line 11, enter back in adsorption tower A1 and adsorb, gas after removing heavy hydrocarbon enters clean gas outlet pipeline 15, 6 chilling requirements of precooler are provided by by the cold-producing medium of refrigerant tubing 19；
B, regenerative process: enter after regeneration gas heater 4 is warming up to 200～280 DEG C adsorption tower C3 from cold blowing process adsorption tower B2 out cold blowing gas, the adsorbent in adsorption tower C3 is made to heat up, heavy hydrocarbon in adsorption tower C3 is resolved out simultaneously, resolution gas is cooled to 5～60 DEG C through regeneration gas cooler 5, enter back into precooler 6 and be cooled to-60～10 DEG C, resolution gas after cooling enters in regeneration gas separator 8 and carries out gas-liquid separation, liquid portion enters heavy hydrocarbon storage tank by regeneration gas separator fluid level control valve after precooler 6 rewarming, gas part is drained into raw natural gas suction port of compressor by pipeline 23 or is made other purposes after precooler rewarming after precooler 6 rewarming to room temperature；
C, cold blowing process: cold blowing gas enters adsorption tower B2, entered after regeneration gas heater 4 heats as regeneration gas by pipeline 14 from adsorption tower B2 cold blowing gas out;
D, adsorption tower A1 carry out regenerative process, and adsorption tower B2 carries out adsorption process, and adsorption tower C3 carries out cold blowing process；
E, adsorption tower A1 carry out cold blowing process, and adsorption tower B2 carries out regenerative process, and adsorption tower C3 carries out adsorption process.
F, adsorption tower A1, adsorption tower B2, adsorption tower C3 alternate cycles carry out adsorbing, regenerate, cold blowing process.
Claims (9)
- null1. the device of a high-adaptability removing heavy hydrocarbon，It is characterized in that: include adsorbing tower system、Regeneration gas cooler (5)、Precooler (6)、Feed gas separator (7)、Regeneration gas separator (8) and refrigerant tubing (19)，Raw natural gas pipeline (9) connects with precooler (6)，Precooler (6) is connected by pipeline (21) after unstripped gas pre-cooling with the top of feed gas separator (7)，The bottom of feed gas separator (7) is connected with one end of feed gas separator liquid outlet conduit (10)，The other end of feed gas separator liquid outlet conduit (10) is connected with precooler (6)，The top of feed gas separator (7) is connected with one end of feed gas separator gases exit line (11)，Feed gas separator gases exit line (11) other end is connected with precooler (6)，After rewarming, one end of unstripped gas pipeline (12) is connected with precooler (6)，After rewarming, the other end of unstripped gas pipeline (12) connects with the entrance of absorption tower system，The outlet of absorption tower system has been also respectively connected with clean gas outlet pipeline (15) and regeneration gas goes out adsorption tower pipeline (24)，Clean gas outlet pipeline (15) connects with purifying gas collection device，Regeneration gas goes out adsorption tower pipeline (24) other end and is connected with precooler (6)，Regeneration gas goes out to be additionally provided with on the pipeline of adsorption tower pipeline (24) regeneration gas cooler (5)，One end of regeneration gas separator inlet duct (16) is connected with precooler (6)，The other end of regeneration gas separator inlet duct (16) is connected with the top of regeneration gas separator (8)，The bottom of regeneration gas separator (8) is connected with one end of regeneration gas separator liquid outlet conduit (18)，The other end of regeneration gas separator liquid outlet conduit (18) is connected with precooler (6)，The top of regeneration gas separator (8) is connected with one end of regeneration gas separator gas outlet conduit (17)，Regeneration gas separator gas outlet conduit (17) other end is connected with precooler (6)，After rewarming, one end of regeneration gas pipeline (23) is connected with precooler (6)，After rewarming, the other end of regeneration gas pipeline (23) is connected with unstripped gas pipeline (12) after rewarming，Refrigerant tubing (19) connects with precooler (6)，And provide cold for precooler (6)，Regeneration flow control valves (20) it is provided with on the pipeline of unstripped gas pipeline (12) after described rewarming，Described feed gas separator liquid outlet conduit (10) is provided with feed gas separator fluid level control valve on the pipeline of precooler (6)，Described regeneration gas separator liquid outlet conduit (18) is provided with regeneration gas separator fluid level control valve on the pipeline of precooler (6).
- A kind of high-adaptability the most according to claim 1 removing heavy hydrocarbon device, it is characterised in that: described absorption tower system includes adsorption tower A(1) and adsorption tower B(2), adsorption tower A(1) with adsorption tower B(2) be arranged in parallel.
- The device of a kind of high-adaptability the most according to claim 2 removing heavy hydrocarbon, it is characterized in that: described regeneration gas takes feed channel (13) one end and is connected with unstripped gas pipeline (12) after rewarming, regeneration gas takes feed channel (13) other end and adsorption tower A(1) and adsorption tower B(2) entrance be connected, after described rewarming, after the other end of regeneration gas pipeline (23) and rewarming, unstripped gas pipeline (12) converges, regeneration gas takes and is additionally provided with regeneration gas in feed channel (13) and adds hot channel (14), regeneration gas adds and is provided with regeneration gas heater (4) on the pipeline of hot channel (14).
- The device of a kind of high-adaptability the most according to claim 2 removing heavy hydrocarbon, it is characterized in that: described regeneration gas takes feed channel (13) one end and is connected with clean gas outlet pipeline (15), regeneration gas takes feed channel (13) other end and adsorption tower A(1) and adsorption tower B(2) entrance be connected, regeneration gas takes and is additionally provided with regeneration gas in feed channel (13) and adds hot channel (14), and regeneration gas adds and is provided with regeneration gas heater (4) on the pipeline of hot channel (14).
- The device of a kind of high-adaptability the most according to claim 4 removing heavy hydrocarbon, it is characterized in that: being additionally provided with regeneration gas compressor (22) after described rewarming on the pipeline of regeneration gas pipeline (23), after also including described rewarming, the other end of the pipeline of regeneration gas pipeline (23) connects with feed gas compressor entrance or makees other purposes.
- The device of a kind of high-adaptability the most according to claim 1 removing heavy hydrocarbon, it is characterized in that: described absorption tower system includes adsorption tower A(1), adsorption tower B(2) and adsorption tower C(3), adsorption tower A(1), adsorption tower B(2) and adsorption tower C(3) be arranged in parallel.
- The device of a kind of high-adaptability the most according to claim 6 removing heavy hydrocarbon, it is characterized in that: described regeneration gas takes feed channel (13) one end and is connected with unstripped gas pipeline (12) after rewarming, regeneration gas takes the other end of feed channel (13) and is connected with absorption tower system entrance, after described rewarming, after the other end of regeneration gas pipeline (23) and rewarming, unstripped gas pipeline (12) converges, being additionally provided with regeneration gas and add hot channel (14) between outlet and the entrance of absorption tower system, regeneration gas adds and is additionally provided with regeneration gas heater (4) on hot channel (14).
- The device of a kind of high-adaptability the most according to claim 6 removing heavy hydrocarbon, it is characterized in that: described regeneration gas takes feed channel 13 one end and is connected with clean gas outlet pipeline (15), regeneration gas takes the other end of feed channel (13) and is connected with absorption tower system entrance, being additionally provided with regeneration gas and add hot channel (14) between outlet and the entrance of absorption tower system, regeneration gas adds and is additionally provided with regeneration gas heater (4) on hot channel (14).
- The device of a kind of high-adaptability the most according to claim 8 removing heavy hydrocarbon, it is characterized in that: being additionally provided with regeneration gas compressor (22) after described rewarming on the pipeline of regeneration gas pipeline (23), after also including described rewarming, the other end of the pipeline of regeneration gas pipeline (23) connects with feed gas compressor entrance or makees other purposes.
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Address after: 611700 north area of Chengdu modern industrial port, Pixian County, Chengdu City, Sichuan Province Patentee after: Sichuan Shudao Equipment Technology Co.,Ltd. Address before: 611700 north area of Chengdu modern industrial port, Pixian County, Chengdu City, Sichuan Province Patentee before: CHENGDU SHENLENG LIQUEFACTION PLANT Co.,Ltd. |