CN105381683A - Gaseous-hydrocarbon adsorbing device - Google Patents
Gaseous-hydrocarbon adsorbing device Download PDFInfo
- Publication number
- CN105381683A CN105381683A CN201510974166.8A CN201510974166A CN105381683A CN 105381683 A CN105381683 A CN 105381683A CN 201510974166 A CN201510974166 A CN 201510974166A CN 105381683 A CN105381683 A CN 105381683A
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- Prior art keywords
- gaseous hydrocarbon
- porous flexible
- flexible filter
- adsorbent equipment
- filter envelope
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Separation Of Gases By Adsorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention provides a gaseous-hydrocarbon adsorbing device. The gaseous-hydrocarbon adsorbing device comprises an adsorbing material suitable for adsorbing gaseous hydrocarbon and a pressure container bottle suitable for containing the adsorbing material. At least one porous flexible filtering sealing bag is further arranged in the pressure container bottle. A part or all of the adsorbing material is placed in the porous flexible filtering sealing bag. By means of the gaseous-hydrocarbon adsorbing device in the technical scheme, ethane resources generated by a shale revolution can be sufficiently used, an existing chemical pressure container can be used, most important chemical raw materials such as ethane and ethylene are effectively used, and ethane resource transportation efficiency and ethane resource transportation safety are improved.
Description
Technical field
The present invention relates to natural gas computing field, particularly relate to a kind of gaseous hydrocarbon adsorbent equipment.
Background technology
Along with the breakthrough of shale technology, a lot of natural gas, shale gas gas well liquid loading go out the lighter hydrocarbons such as increasing ethane (containing a small amount of ethene).These lighter hydrocarbons, main component is C2 (containing two carbon atoms, remainder is analogized), C3, C4 organic matter, sometimes also referred to as natural gas liquids (NGL).Ethane can as important industrial chemicals, but its transport is not very convenient.If expected with the form shipping storage of squeezed state liquid, required pressure is up to nearly 60 atmospheric pressure, and this has exceeded the pressure limit of most of chemical industry air accumulator.
Under absorption type ethane gas refers to low voltage situations, (below 35 atmospheric pressure) are compressed in ethane the technology of adsorbent surface.In absorption type ethane gas in technology, the storage capacity of ethane gas can be improved by using physics or chemisorbed.The amount of general raising is about 9 times below 35 atmospheric pressure.Usually, adsorbent is blob-like shapes, is generally charcoal or coke, the activated carbon granule after compression, metallorganic structure, or high-ratio surface zeolitic material.So a lot of existing chemical pressure storage tank just can store ethane, ethene and acetylene by the mode of absorption.
Therefore, a kind of storage device of gaseous hydrocarbon easily how is provided just to become those skilled in the art to need the difficult problem solved.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of gaseous hydrocarbon adsorbent equipment, the problem of hypertonia during for solving in prior art the form shipping storage gaseous hydrocarbon adopting squeezed state liquid.
For achieving the above object and other relevant objects, the invention provides following technical scheme:
A kind of gaseous hydrocarbon adsorbent equipment, comprise the sorbing material being suitable for adsorbing described gaseous hydrocarbon and the pressure vessel bottle being suitable for holding described sorbing material, a porous flexible filter envelope is also at least set in described pressure vessel bottle, described adsorbing material or whole being positioned in described porous flexible filter envelope.
Preferably, the average void on described porous flexible filter envelope is less than the average grain diameter of described sorbing material.
Preferably, described porous flexible filter envelope is at least made up of following a kind of material: organic non-woven fabric, organicly spin cloth, inorganic non-woven fabrics and organicly spin cloth.
Preferably, described porous flexible filter envelope is made by expanding plastic foil.
Preferably, described expansion plastic foil comprises at least one in expansion Teflon and expansion polypropylene.
Preferably, described porous flexible filter envelope is made by expanding plastic foil.
Preferably, described porous flexible filter envelope is at least by comprising non-woven fabrics or having the fibrous material spinning cloth to make as base material.
Preferably, described fibrous material melting temperature or glass transition temperature are higher than 85 DEG C.
As mentioned above, the present invention has following beneficial effect: can make full use of by such scheme provided by the invention the ethane resource that shale revolution brings, existing pressure vessels for the chemical industry can be utilized, effectively utilize these most important industrial chemicals of ethane, ethene, improve efficiency and the security of the transport of ethane resource.
Accompanying drawing explanation
Fig. 1 is shown as a kind of schematic diagram of gaseous hydrocarbon adsorbent equipment.
Element numbers explanation
1 pressure vessel bottle
2 sorbing materials
3 porous flexible filter envelopes
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present invention and effect easily.
Refer to Fig. 1.Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
Refer to Fig. 1, the invention provides a kind of schematic diagram of gaseous hydrocarbon adsorbent equipment, as shown in the figure, described gaseous hydrocarbon adsorbent equipment goes for storing the gaseous hydrocarbons such as ethane, ethene and acetylene, comprise the sorbing material 2 being suitable for adsorbing described gaseous hydrocarbon and the pressure vessel bottle 1 being suitable for holding described sorbing material 2, in described pressure vessel bottle 1, also at least arrange a porous flexible filter envelope 3, what described sorbing material 2 was part or all of is positioned in described porous flexible filter envelope 3.
In concrete enforcement, preceding adsorption material 2 has nano-micro structure and the average pore diameter of porous flexible filter envelope 3 is less than the volume average particle size of sorbing material 2.Wherein, there are nonpolar C-C (carbon-to-carbon) key and carbon-hydrogen link in sorbing material 2 surface, utilizes similar compatibility or say the similar principle mixed to improve the permeability of nonpolar ethane molecule on nano adsorber surface.
Further, at least one in following highly heat-conductive material can also be added in sorbing material: wire, plating part, metallic film, carbon black class material.
Particularly, (sorbing material is also known as C2 adsorbent for sorbing material, be called for short adsorbent) comprise activated carbon SiClx, activated carbon, acetylene black, zeolite, Activated Graphite, activated charcoal or carbon molecular sieve, the volume average particle size of described sorbing material is from 0.001mm to 20mm.Here the volume average particle size of indication refers to and forms the basic particle diameter of sorbent material, and such as, volume average particle size can be pressed into the bulk of 25mm the powdered adsorption material of 10 microns, the volume average particle size of this block sorbing material remains 10 microns.Namely sorbing material includes but not limited to activated carbon SiClx, activated carbon, acetylene black, zeolite, Activated Graphite, activated charcoal, carbon molecular sieve, or the combination of previous materials.
The plasma that described sorbing material can be produced by electric discharge activates.Nonpolar carbon-carbon bond or carbon-hydrogen link that hydro carbons performed polymer can make surface is added in plasma.Add hydrogen peroxide in plasma, ammoniacal liquor can make surface polar hydroxyl groups.The carbon-oxygen bond that appropriate oxygen or ozone can make surface is added in plasma.Add trichlorosilane in plasma and can make surface carbon-silicon key.
Concrete, can also there be the carbon-oxygen bond of polarity on sorbing material surface simultaneously, and the carbon-silicon key of hydroxyl and low pole is to regulate absorption merit or heat of adsorption.
In concrete enforcement, porous flexible filter envelope 3 can be by the non-woven fabrics of organic or inorganic or spin cloth and make, and their combination, or expansion plastic foil is made, described expansion plastics comprise expansion Teflon, expansion polypropylene, and described porous flexible filter envelope 3 functionally can dust in filtering adsorbing material, prevents dust from entering pipeline and follow-up system to a great extent.
Particularly, the temperature that the material simultaneously can also introducing good heat conductivity in porous flexible filter envelope 3 improves time inflation is exitted controls.Compared with the existing sorbing material packaged type not filtering envelope, technical scheme of the present invention improves filter table area, reduce absorbent particles and play ash because of collision friction, prevent gas ash blocking gas circuit, thus avoid absorption type natural gas cylinder and block gas circuit because playing ash or damage is caused to engine on internal combustion engine motor vehicle.
In concrete enforcement, porous flexible filter envelope 3 can also be the non-woven fabrics of employing or have the fibrous material spinning cloth to be base material, described fibrous material melting temperature or glass transition temperature (Tg) are higher than 85 DEG C, wherein, fibrous material contains but is not limited to the pure substance of one or more materials following or copolymer or mixture: polyester, polypropylene, polyacrylonitrile, polyolefin, polyamide, pi, polyurethane, cellulose, Merlon, polyphenylene sulfide, Kynoar, polytetrafluoroethylene (PTFE), glass, carbon fiber, aramid fiber, nylon, high-temperature nylon.
In concrete enforcement, porous flexible filter envelope 3 is one or more layers structure.And in sandwich construction situation, have at least the average pore diameter of one deck to be less than the volume average particle size of sorbing material dust.Sandwich construction can be realized by the simple intussusception of simple filter envelope, be exactly that one deck overlaps one deck, also can be the sandwich construction that filter envelope itself has, such as, filter envelope fabric and to dispatch from the factory the multilayer press mold or blending structure that just possess.
Should be appreciated that adsorbent equipment in the present invention can containing multiple porous flexible filter envelope 3, each porous flexible filter envelope 3 can structure be connected or discrete, and size can be consistent or different.Usually, porous flexible filter envelope is positioned at pressure vessel opening place or inside, and wrapping portion flow line.
In concrete enforcement, separator can also be provided with in adsorbent equipment, separator can be spacer or spacing block, described separator is distributed between porous flexible filter envelope and internal pressure vessel walls, facilitate gas to flow, or described separator also can be distributed between porous flexible filter envelope or in adsorbent.Wherein, the structure of described separator is at least one in hollow tube, hollow sandwich sheet, corrugated plate or ditch slotted vane.
In addition, described spacer is made up of highly heat-conductive material, comprises metal, metal polymer composite, the plastics of surface coverage metal, high heat-conducting ceramic.
In sum, the ethane resource that shale revolution brings can be made full use of by such scheme provided by the invention, existing pressure vessels for the chemical industry can be utilized, effectively utilize these most important industrial chemicals of ethane, ethene, for example, the pressurized tank of 1 side's water capacity can only store the normal pressure ethane gas of 25 sides under 25 atmospheric pressure.After adding adsorbent, this pressurized tank just can store the normal pressure ethane gas of 175 sides, is original nine times, and the adsorbent cost increased is original tank body cost, and the efficiency-cost ratio of such absorption ethane system is original 4.5 times.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (8)
1. a gaseous hydrocarbon adsorbent equipment, comprise the sorbing material being suitable for adsorbing described gaseous hydrocarbon and the pressure vessel bottle being suitable for holding described sorbing material, it is characterized in that: a porous flexible filter envelope is also at least set in described pressure vessel bottle, described adsorbing material or whole being positioned in described porous flexible filter envelope.
2. gaseous hydrocarbon adsorbent equipment according to claim 1, is characterized in that: the average void on described porous flexible filter envelope is less than the average grain diameter of described sorbing material.
3. gaseous hydrocarbon adsorbent equipment according to claim 1, is characterized in that: described porous flexible filter envelope is at least made up of following a kind of material: organic non-woven fabric, organicly spin cloth, inorganic non-woven fabrics and organicly spin cloth.
4. gaseous hydrocarbon adsorbent equipment according to claim 1, is characterized in that: described porous flexible filter envelope is made by expanding plastic foil.
5. gaseous hydrocarbon adsorbent equipment according to claim 4, is characterized in that: described expansion plastic foil comprises at least one in expansion Teflon and expansion polypropylene.
6. gaseous hydrocarbon adsorbent equipment according to claim 1, is characterized in that: described porous flexible filter envelope is made by expanding plastic foil.
7. gaseous hydrocarbon adsorbent equipment according to claim 1, is characterized in that: described porous flexible filter envelope is at least by comprising non-woven fabrics or having the fibrous material spinning cloth to make as base material.
8. gaseous hydrocarbon adsorbent equipment according to claim 7, is characterized in that: described fibrous material melting temperature or glass transition temperature are higher than 85 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510974166.8A CN105381683A (en) | 2015-12-22 | 2015-12-22 | Gaseous-hydrocarbon adsorbing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510974166.8A CN105381683A (en) | 2015-12-22 | 2015-12-22 | Gaseous-hydrocarbon adsorbing device |
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| CN105381683A true CN105381683A (en) | 2016-03-09 |
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| CN201510974166.8A Pending CN105381683A (en) | 2015-12-22 | 2015-12-22 | Gaseous-hydrocarbon adsorbing device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2546723Y (en) * | 2002-05-10 | 2003-04-23 | 王达胜 | Middle and low-pressure natural gas absorbent gas tank |
| CN202048353U (en) * | 2011-05-17 | 2011-11-23 | 上海华西化工科技有限公司 | Buffer tank of pressure swing adsorption (PSA) device utilizing coke oven gas to produce liquefied natural gas (LNG) |
| CN102302925A (en) * | 2011-08-23 | 2012-01-04 | 华南理工大学 | Natural gas adsorbent, absorption tank utilizing natural gas adsorbent for storing and transporting natural gas, and method for absorbing, storing and transporting natural gas |
| CN103292151A (en) * | 2012-02-29 | 2013-09-11 | 罗臬 | Methane adsorption device and storage method, and application in transportation tool |
| CN104399354A (en) * | 2014-12-13 | 2015-03-11 | 太原理工大学 | Methane-nitrogen gas double component separation method and device |
-
2015
- 2015-12-22 CN CN201510974166.8A patent/CN105381683A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2546723Y (en) * | 2002-05-10 | 2003-04-23 | 王达胜 | Middle and low-pressure natural gas absorbent gas tank |
| CN202048353U (en) * | 2011-05-17 | 2011-11-23 | 上海华西化工科技有限公司 | Buffer tank of pressure swing adsorption (PSA) device utilizing coke oven gas to produce liquefied natural gas (LNG) |
| CN102302925A (en) * | 2011-08-23 | 2012-01-04 | 华南理工大学 | Natural gas adsorbent, absorption tank utilizing natural gas adsorbent for storing and transporting natural gas, and method for absorbing, storing and transporting natural gas |
| CN103292151A (en) * | 2012-02-29 | 2013-09-11 | 罗臬 | Methane adsorption device and storage method, and application in transportation tool |
| CN104399354A (en) * | 2014-12-13 | 2015-03-11 | 太原理工大学 | Methane-nitrogen gas double component separation method and device |
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Application publication date: 20160309 |
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