CN104762117A - Vehicle natural gas dehydration apparatus and technology thereof - Google Patents
Vehicle natural gas dehydration apparatus and technology thereof Download PDFInfo
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- CN104762117A CN104762117A CN201510122319.6A CN201510122319A CN104762117A CN 104762117 A CN104762117 A CN 104762117A CN 201510122319 A CN201510122319 A CN 201510122319A CN 104762117 A CN104762117 A CN 104762117A
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- pipeline
- natural gas
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- adsorption unit
- gas
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 279
- 239000003345 natural gas Substances 0.000 title claims abstract description 142
- 230000018044 dehydration Effects 0.000 title claims abstract description 41
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 41
- 238000005516 engineering process Methods 0.000 title abstract description 3
- 238000001179 sorption measurement Methods 0.000 claims abstract description 100
- 238000001035 drying Methods 0.000 claims abstract description 94
- 239000007789 gas Substances 0.000 claims abstract description 62
- 230000008929 regeneration Effects 0.000 claims abstract description 49
- 238000011069 regeneration method Methods 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000003795 desorption Methods 0.000 claims abstract description 6
- 235000009508 confectionery Nutrition 0.000 claims description 77
- 230000001172 regenerating effect Effects 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 16
- 239000002808 molecular sieve Substances 0.000 claims description 12
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 12
- 230000003213 activating effect Effects 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010924 continuous production Methods 0.000 abstract 1
- 239000008239 natural water Substances 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
Abstract
The invention provides a vehicle natural gas dehydration apparatus and a technology thereof. The dehydration apparatus is characterized in that a first adsorption device or a second adsorption device is used to remove water in natural gas, a pipeline switching device connects a first drying pipeline or a second drying pipeline with a regeneration pipeline to form a regeneration loop, the natural gas is heated by a heater on the regeneration pipeline, high temperature gas enters a cooler and is rapidly cooled to make water vapor in the gas coagulated to form water, the obtained natural gas and water are separated through a liquid-gas separator and are discharged, and the water removed gas is continuously used in heating desorption in order to activate and regenerate the first adsorption device or the second adsorption device and to have water adsorption ability. A first drying pipeline and a second drying pipeline which are arranged in parallel, and the regeneration pipeline are used to alternatively dry and regenerate the first adsorption device and the second adsorption device in order to reach continuous production and continuous dehydration of the natural gas and to guarantee the dehydration effect of the natural gas.
Description
Technical field
The present invention relates to Sweet natural gas technical field, more particularly, relate to a kind of natural gas used for automobile dehydration equipment and technique.
Background technology
Gas combustion automobile is also called gasfueled vehicles, is mainly divided into liquefied petroleum gas automobile and automobile with compressed natural gas two kinds.Gas combustion automobile is mainly fuel with Sweet natural gas, and its CO quantity discharged reduces more than 90% than gasoline car, and hydrocarbon emission reduces more than 70%, and oxynitride discharge reduces more than 35%, is comparatively practical Low Emission Vehicle.
Gas combustion automobile is by natural gas filling station supplemental natural gas, natural gas filling station refers to compressed natural gas (CNG, Compressed Natural Gas) form provides the place of fuel to gasfueled vehicles (NGV, NaturalGas Vehicle) and large-scale CNG substation car.Gas in natural gas line is general first through preposition purifying treatment, the sulfur in removing gas and moisture content, then by compressor unit, pressure is compressed to 25Mpa by 0.1-1.0Mpa, finally by gas selling machine to vehicle aerating.
Natural gas water content exceeds standard, and corrodibility will be caused to destroy to filling gas station equipment, and when the environment temperature decreases, the free-water of separating out in Sweet natural gas will freeze and cause system device and pipeline generation frozen block, and therefore, the up to standard of natural gas used for automobile water content is vital.The dehydration degree of depth of Sweet natural gas should be determined according to the envrionment temperature of locality, general requirement under the highest working pressure, compressed natural gas water dew point not higher than-13 DEG C, when minimum temperature is lower than-8 DEG C, should be lower than the lowest temperature 5 DEG C.And for some cold districts, during actual motion, require that dew points at normal pressure reaches lower than-55 DEG C.But existing gas conditioning technique, the water separation capability of Sweet natural gas is limited, the dehydration requirement making moisture content in Sweet natural gas can not reach predetermined, can not meet existing natural gas motorcar needs.
Therefore, how ensureing the dehydrating effect of Sweet natural gas, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of natural gas used for automobile dehydration equipment, to realize the dehydrating effect ensureing Sweet natural gas.Present invention also offers a kind of dewatering process based on above-mentioned gas dehydration equipment.
In order to achieve the above object, the invention provides following technical scheme:
A kind of natural gas used for automobile dehydration equipment, comprise be arranged in parallel to withering first drying pipeline of Sweet natural gas and the second drying pipeline, described first drying pipeline is arranged the first adsorption unit of absorbed natural gas interior moisture, described second drying pipeline is arranged the second adsorption unit of absorbed natural gas interior moisture;
Be communicated with the first desorb pipeline and the second desorb pipeline respectively between the dry entrance of described first adsorption unit and described second adsorption unit and between dry outlet, order be set between described first desorb pipeline and described second desorb pipeline the refrigerating unit, liquid-gas separation device Sweet natural gas being carried out to gas-liquid separation and the regeneration pipeline to the well heater that Sweet natural gas heats that cool Sweet natural gas are installed;
Described regeneration pipeline and described first desorb pipeline arrange with between the second desorb pipeline the pipeline reversing service being communicated with described first drying pipeline or the second drying pipeline.
Preferably, in above-mentioned natural gas used for automobile dehydration equipment, be also provided with between described liquid-gas separator and described well heater and Sweet natural gas is pressurizeed the Regenerative Compression machine of agitating.
Preferably, in above-mentioned natural gas used for automobile dehydration equipment, described liquid-gas separator is also connected with the escape route of discharging the moisture of separating out, the end of described escape route arranges the wash water valve controlling its opening and closing.
Preferably, in above-mentioned natural gas used for automobile dehydration equipment, described pipeline reversing service comprise be arranged at described first drying pipeline and described second drying pipeline input terminus in parallel and output terminal pilot piping in natural gas flow to the first reversing valve, and be arranged at the second reversing valve of described regeneration pipeline and described first desorb pipeline and the second desorb pipeline coupling end.
Preferably, in above-mentioned natural gas used for automobile dehydration equipment, described first reversing valve and described second reversing valve are tee ball valve.
Preferably, in above-mentioned natural gas used for automobile dehydration equipment, the admission passage of the input terminus of described first drying pipeline and described second drying pipeline is provided with the fore filter filtered Sweet natural gas.
Preferably, in above-mentioned natural gas used for automobile dehydration equipment, the outlet pipe of the output terminal of described first drying pipeline and described second drying pipeline arranges the post-filter filtered Sweet natural gas.
Preferably, in above-mentioned natural gas used for automobile dehydration equipment, in described first adsorption unit and described second adsorption unit are, establish the adsorption tower of molecular sieve.
Preferably, in above-mentioned natural gas used for automobile dehydration equipment, the input terminus of described refrigerating unit and the Sweet natural gas temperature difference of output terminal are 35-45 DEG C.
Present invention also offers a kind of natural gas used for automobile dewatering process, based on natural gas used for automobile dehydration equipment as above, it is characterized in that, comprise step:
S01, Sweet natural gas can pass into through the first drying pipeline of parallel connection or the second drying pipeline, is removed moisture in Sweet natural gas by the first adsorption unit or the second adsorption unit;
S02, respectively the first drying pipeline or the second drying pipeline are linked to be regenerative circuit with regeneration pipeline by pipeline reversing service, and the dewatering work of Sweet natural gas is not proceeded with the drying pipeline of regeneration pipeline connection, regeneration pipeline is heated Sweet natural gas by the well heater on it, gas after heating heats the first adsorption unit or the second adsorption unit, separate out the moisture of absorption, high-temperature gas enters water cooler rapid cooling, condensation of moisture Cheng Shui in gas, be separated by liquid-gas separator and discharge, the gas of discharging moisture proceeds heating desorption work, thus activating and regenerating is carried out to the first adsorption unit or the second adsorption unit, again possesses adsorption moisture ability.
S03, switches the first drying pipeline or the second drying pipeline by pipeline reversing service and is linked to be regenerative circuit with regeneration pipeline, to hocket the drying of the first adsorption unit and the second adsorption unit and regeneration to make regeneration pipeline.
Natural gas used for automobile dehydration equipment provided by the invention, comprise be arranged in parallel to withering first drying pipeline of Sweet natural gas and the second drying pipeline, first drying pipeline is arranged the first adsorption unit of absorbed natural gas interior moisture, the second drying pipeline is arranged the second adsorption unit of absorbed natural gas interior moisture.Be communicated with the first desorb pipeline and the second desorb pipeline respectively between first adsorption unit and the dry entrance of the second adsorption unit and between dry outlet, order be set between the first desorb pipeline and the second desorb pipeline the refrigerating unit, liquid-gas separation device Sweet natural gas being carried out to gas-liquid separation and the regeneration pipeline to the well heater that Sweet natural gas heats that cool Sweet natural gas are installed; Regenerate pipeline and between the first desorb pipeline with the second desorb pipeline, the pipeline reversing service being communicated with the first drying pipeline or the second drying pipeline is set.When carrying out processed to Sweet natural gas, Sweet natural gas can pass into through the first drying pipeline of parallel connection or the second drying pipeline, by the first adsorption unit or the second adsorption unit, moisture in Sweet natural gas is removed, because the first adsorption unit or the second adsorption unit need to carry out desorb after a long time use, to remove the moisture of its absorbed inside, arrange and be connected to the first desorb pipeline between the first drying pipeline and the second drying pipeline and the second desorb pipeline that are arranged in parallel, between first desorb pipeline and the second desorb pipeline, regeneration pipeline is set, respectively the first drying pipeline or the second drying pipeline can be linked to be regenerative circuit with regeneration pipeline by pipeline reversing service, and the dewatering work of Sweet natural gas is not proceeded with the drying pipeline of regeneration pipeline connection, regeneration pipeline is heated Sweet natural gas by the well heater on it, gas after heating heats the first adsorption unit or the second adsorption unit, separate out the moisture of absorption, high-temperature gas enters water cooler rapid cooling, condensation of moisture Cheng Shui in gas, be separated by liquid-gas separator and discharge, the gas of discharging moisture proceeds heating desorption work, thus activating and regenerating is carried out to the first adsorption unit or the second adsorption unit, again possesses adsorption moisture ability.By the first drying pipeline and second drying pipeline of parallel connection, and regeneration pipeline is set can hockets the drying of the first adsorption unit and the second adsorption unit and regeneration, reach uninterrupted production, the lasting dewatering work carrying out Sweet natural gas, ensure the dehydrating effect of Sweet natural gas.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of natural gas used for automobile dehydration equipment provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, Fig. 1 is the structural representation of natural gas used for automobile dehydration equipment provided by the invention.
The invention provides a kind of natural gas used for automobile dehydration equipment, comprise be arranged in parallel to withering first drying pipeline 1 and the second drying pipeline 2 of Sweet natural gas, the first adsorption unit 3, second drying pipeline 2 first drying pipeline 1 being arranged absorbed natural gas interior moisture is arranged the second adsorption unit 4 of absorbed natural gas interior moisture.Be communicated with the first desorb pipeline 5 respectively and order is set between the second desorb pipeline 6, first desorb pipeline 5 and the second desorb pipeline 6 between first adsorption unit 3 and the dry entrance of the second adsorption unit 4 and between dry outlet and the refrigerating unit 7, the liquid-gas separation device 8 Sweet natural gas being carried out to gas-liquid separation and the regeneration pipeline 11 to the well heater 10 that Sweet natural gas heats that cool Sweet natural gas are installed; Regenerate pipeline 11 and the pipeline reversing service being communicated with the first drying pipeline 1 or the second drying pipeline 2 is set between first desorb pipeline 5 with the second desorb pipeline 6.
When carrying out processed to Sweet natural gas, Sweet natural gas can pass into through the first drying pipeline 1 of parallel connection or the second drying pipeline 2, removed by moisture in the first adsorption unit 3 or the second adsorption unit 4 pairs of Sweet natural gases, because the first adsorption unit 3 or the second adsorption unit 4 need to carry out desorb after a long time use, to remove the moisture of its absorbed inside, arrange and be connected to the first desorb pipeline 5 and the second desorb pipeline 6 between the first drying pipeline 3 and the second drying pipeline 4 be arranged in parallel, regeneration pipeline 11 is set between first desorb pipeline 5 and the second desorb pipeline 6, respectively the first drying pipeline 1 or the second drying pipeline 2 can be linked to be regenerative circuit with regeneration pipeline 11 by pipeline reversing service, and the drying pipeline be not communicated with regeneration pipeline 11 proceeds the dewatering work of Sweet natural gas, regeneration pipeline 11 is heated by the 10 pairs of Sweet natural gases of the well heater on it, gas after heating heats the first adsorption unit 3 or the second adsorption unit 4, separate out the moisture of absorption, high-temperature gas enters water cooler 7 rapid cooling, condensation of moisture Cheng Shui in gas, be separated by liquid-gas separator 8 and discharge, the gas of discharging moisture proceeds heating desorption work, thus activating and regenerating is carried out to the first adsorption unit 3 or the second adsorption unit 4, again possesses adsorption moisture ability.By the first drying pipeline 1 and the second drying pipeline 2 of parallel connection, and regeneration pipeline 11 is set can hockets the drying of the first adsorption unit 3 and the second adsorption unit 4 and regeneration, reach uninterrupted production, the lasting dewatering work carrying out Sweet natural gas, ensure the dehydrating effect of Sweet natural gas.
For optimizing technique scheme further, being also provided with between liquid-gas separator 8 and well heater 10 and Sweet natural gas is pressurizeed the Regenerative Compression machine 9 of agitating.The Regenerative Compression machine 9 of agitating Sweet natural gas to circulate is set between liquid-gas separator 8 and well heater 10, the circulation power of gas in regeneration pipeline 11 is provided by Regenerative Compression machine 9, realize the circulation of gas in regeneration pipeline 11, reach the activating and regenerating effect to the first adsorption unit 3 or the second adsorption unit 4 of persistent loop.
Particularly, the first adsorption unit 3 and the second adsorption unit 4 establish the adsorption tower of molecular sieve in being.Regeneration pipeline 11 in gas circulation proceed in adsorption tower, take heat to adsorption tower to heat molecular sieve, molecular sieve in adsorption tower temperature is made to be elevated to a certain degree, separate out by the moisture adsorbed, the gas circulation power provided by Regenerative Compression machine 9, Sweet natural gas is brought into water cooler 7 and liquid-gas separator 8, moisture in repeats condensation Sweet natural gas reaches the object removing Sweet natural gas moisture, dry gas continues to enter adsorption tower, by the process that moisture in molecular sieve is separated out of this repetition, make molecular sieve in adsorption tower activating and regenerating, again continue the ability of adsorption moisture.Adsorbed the switching of pipeline 1 and the second absorption pipeline 2 to first by pipeline reversing service, make the adsorption tower after activating proceed the absorption work of Sweet natural gas, another adsorption tower carries out the reproduction operation of molecular sieve.
For optimizing technique scheme further, liquid-gas separator 8 is also connected with the escape route of discharging the moisture of separating out, the end of escape route arranges the wash water valve controlling its opening and closing.Hydrogenesis Cheng Shui after natural gas via water cooler in it, by liquid-gas separator 8 by moisture absorption, dry Sweet natural gas flows out and carries out follow-up circulation, and the moisture after precipitation is discharged by the escape route that it is arranged by liquid-gas separator 8, is controlled the opening and closing of escape route by wash water valve.
For optimizing technique scheme further, pipeline reversing service comprise be arranged at the first drying pipeline 1 and the second drying pipeline 2 input terminus in parallel and output terminal pilot piping in natural gas flow to the first reversing valve, and be arranged at regeneration pipeline 11 and the second reversing valve of the first desorb pipeline 5 and the second desorb pipeline 6 coupling end.Particularly, the first reversing valve and the second reversing valve are tee ball valve.
Desorb is carried out with the second adsorption unit 4, it is example that first adsorption unit 3 carries out gas dehydration, natual gas dehydrate unit operationally, Sweet natural gas is input to internal system by admission passage 14, tee ball valve A1 conducting first drying pipeline 1 and admission passage 14, tee ball valve A2 conducting first drying pipeline 1 and outlet pipe 15, tee ball valve A3 conducting second drying pipeline 2, first desorb pipeline 5 and regeneration pipeline 11, tee ball valve A4 conducting regeneration pipeline 11, second desorb pipeline 6 and the second drying pipeline 2, under this pipeline UNICOM order, first adsorption unit 3 carries out normal gas dehydration, second adsorption unit 4 carries out the activating and regenerating of molecular sieve, when needing the job order of change first adsorption unit 3 and the second adsorption unit 4, by commutating to tee ball valve A1, tee ball valve A2, tee ball valve A3 and tee ball valve A4, then the second adsorption unit 4 carries out the dehydration of Sweet natural gas, and the first adsorption unit 3 carries out the activating and regenerating of molecular sieve.Adsorb pipeline 1 or second respectively with first by regeneration pipeline 11 to adsorb pipeline 2 and carry out conducting, the activating and regenerating of molecular sieve can be carried out in equipment continuous service process, ensure normally carrying out of gas dehydration work, also ensure that the dehydrating effect of Sweet natural gas simultaneously.
For optimizing technique scheme further, the admission passage 14 of the input terminus of the first drying pipeline 1 and the second drying pipeline 2 is provided with the fore filter 12 filtered Sweet natural gas.
For optimizing technique scheme further, the outlet pipe 15 of the output terminal of the first drying pipeline 1 and the second drying pipeline 2 arranges the post-filter 13 filtered Sweet natural gas.
Carry out primary filter by the Sweet natural gas of fore filter 12 to input, remove impurity in Sweet natural gas.After gas dehydration completes, continue to be filtered by post-filter 13 pairs of Sweet natural gases, improve the cleanliness factor of Sweet natural gas further.
For optimizing technique scheme further, the input terminus of refrigerating unit and the Sweet natural gas temperature difference of output terminal are 35-45 DEG C.Sweet natural gas is when regenerating the molecular sieve in adsorption tower, need heated by natural gas to predetermined temperature requirement, after ensureing the natural gas via water cooler 7 after heating, obtain good dehydrating effect simultaneously, arrange between the cooling area of water cooler 7, thus ensure the effect of moisture removal in Sweet natural gas.
For optimizing technique scheme further, the intake and exhaust pressure difference of Regenerative Compression machine 9 is less than 0.2Mpa.For ensureing the security of Sweet natural gas circulation in pipeline, the intake and exhaust pressure difference of Regenerative Compression machine 9 being controlled, thus avoids the excessive pressure difference of natural gas via Regenerative Compression machine 9 to affect equipment use security.
This embodiment additionally provides a kind of natural gas used for automobile dewatering process, based on natural gas used for automobile dehydration equipment as above, comprises step:
S01, Sweet natural gas can pass into through the first drying pipeline of parallel connection or the second drying pipeline, is removed moisture in Sweet natural gas by the first adsorption unit or the second adsorption unit;
S02, respectively the first drying pipeline or the second drying pipeline are linked to be regenerative circuit with regeneration pipeline by pipeline reversing service, and the dewatering work of Sweet natural gas is not proceeded with the drying pipeline of regeneration pipeline connection, regeneration pipeline is heated Sweet natural gas by the well heater on it, gas after heating heats the first adsorption unit or the second adsorption unit, separate out the moisture of absorption, high-temperature gas enters water cooler rapid cooling, condensation of moisture Cheng Shui in gas, be separated by liquid-gas separator and discharge, the gas of discharging moisture proceeds heating desorption work, thus activating and regenerating is carried out to the first adsorption unit or the second adsorption unit, again possesses adsorption moisture ability.
S03, switches the first drying pipeline or the second drying pipeline by pipeline reversing service and is linked to be regenerative circuit with regeneration pipeline, to hocket the drying of the first adsorption unit and the second adsorption unit and regeneration to make regeneration pipeline.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a natural gas used for automobile dehydration equipment, it is characterized in that, comprise be arranged in parallel to withering first drying pipeline of Sweet natural gas and the second drying pipeline, described first drying pipeline is arranged the first adsorption unit of absorbed natural gas interior moisture, described second drying pipeline is arranged the second adsorption unit of absorbed natural gas interior moisture;
Be communicated with the first desorb pipeline and the second desorb pipeline respectively between the dry entrance of described first adsorption unit and described second adsorption unit and between dry outlet, order be set between described first desorb pipeline and described second desorb pipeline the refrigerating unit, liquid-gas separation device Sweet natural gas being carried out to gas-liquid separation and the regeneration pipeline to the well heater that Sweet natural gas heats that cool Sweet natural gas are installed;
Described regeneration pipeline and described first desorb pipeline arrange with between the second desorb pipeline the pipeline reversing service being communicated with described first drying pipeline or the second drying pipeline.
2. natural gas used for automobile dehydration equipment according to claim 1, is characterized in that, is also provided with and pressurizes the Regenerative Compression machine of agitating to Sweet natural gas between described liquid-gas separator and described well heater.
3. natural gas used for automobile dehydration equipment according to claim 2, is characterized in that, described liquid-gas separator is also connected with the escape route of discharging the moisture of separating out, and the end of described escape route arranges the wash water valve controlling its opening and closing.
4. natural gas used for automobile dehydration equipment according to claim 3, it is characterized in that, described pipeline reversing service comprise be arranged at described first drying pipeline and described second drying pipeline input terminus in parallel and output terminal pilot piping in natural gas flow to the first reversing valve, and be arranged at the second reversing valve of described regeneration pipeline and described first desorb pipeline and the second desorb pipeline coupling end.
5. natural gas used for automobile dehydration equipment according to claim 4, is characterized in that, described first reversing valve and described second reversing valve are tee ball valve.
6. natural gas used for automobile dehydration equipment according to claim 1, is characterized in that, the admission passage of the input terminus of described first drying pipeline and described second drying pipeline is provided with the fore filter filtered Sweet natural gas.
7. natural gas used for automobile dehydration equipment according to claim 5, is characterized in that, the outlet pipe of the output terminal of described first drying pipeline and described second drying pipeline arranges the post-filter filtered Sweet natural gas.
8. natural gas used for automobile dehydration equipment according to claim 1, is characterized in that, establishes the adsorption tower of molecular sieve in described first adsorption unit and described second adsorption unit are.
9. natural gas used for automobile dehydration equipment according to claim 1, is characterized in that, the input terminus of described refrigerating unit and the Sweet natural gas temperature difference of output terminal are 35-45 DEG C.
10. a natural gas used for automobile dewatering process, based on the natural gas used for automobile dehydration equipment as described in any one of claim 1-9, is characterized in that, comprise step:
S01, Sweet natural gas can pass into through the first drying pipeline of parallel connection or the second drying pipeline, is removed moisture in Sweet natural gas by the first adsorption unit or the second adsorption unit;
S02, respectively the first drying pipeline or the second drying pipeline are linked to be regenerative circuit with regeneration pipeline by pipeline reversing service, and the dewatering work of Sweet natural gas is not proceeded with the drying pipeline of regeneration pipeline connection, regeneration pipeline is heated Sweet natural gas by the well heater on it, gas after heating heats the first adsorption unit or the second adsorption unit, separate out the moisture of absorption, high-temperature gas enters water cooler rapid cooling, condensation of moisture Cheng Shui in gas, be separated by liquid-gas separator and discharge, the gas of discharging moisture proceeds heating desorption work, thus activating and regenerating is carried out to the first adsorption unit or the second adsorption unit, again possesses adsorption moisture ability,
S03, switches the first drying pipeline or the second drying pipeline by pipeline reversing service and is linked to be regenerative circuit with regeneration pipeline, to hocket the drying of the first adsorption unit and the second adsorption unit and regeneration to make regeneration pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510122319.6A CN104762117B (en) | 2015-03-19 | 2015-03-19 | Natural gas used for automobile dehydration equipment and technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510122319.6A CN104762117B (en) | 2015-03-19 | 2015-03-19 | Natural gas used for automobile dehydration equipment and technique |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11221425A (en) * | 1998-02-10 | 1999-08-17 | Sanyo Electric Co Ltd | Pressurizing supply apparatus |
| CN2492296Y (en) * | 2001-08-03 | 2002-05-22 | 李均方 | Deep dewaterer for compressed natural gas |
| US20060272503A1 (en) * | 2005-06-06 | 2006-12-07 | Adam Darcee C | Micro processing system for multi-phase flow |
| CN103421563A (en) * | 2012-05-16 | 2013-12-04 | 孙鼎信 | Integrated technology for methane-rich gas advanced purification |
-
2015
- 2015-03-19 CN CN201510122319.6A patent/CN104762117B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11221425A (en) * | 1998-02-10 | 1999-08-17 | Sanyo Electric Co Ltd | Pressurizing supply apparatus |
| CN2492296Y (en) * | 2001-08-03 | 2002-05-22 | 李均方 | Deep dewaterer for compressed natural gas |
| US20060272503A1 (en) * | 2005-06-06 | 2006-12-07 | Adam Darcee C | Micro processing system for multi-phase flow |
| CN103421563A (en) * | 2012-05-16 | 2013-12-04 | 孙鼎信 | Integrated technology for methane-rich gas advanced purification |
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| CN104762117B (en) | 2016-03-30 |
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