CN217351281U - Solvent rich liquid adsorber for natural gas purification and natural gas purification system - Google Patents
Solvent rich liquid adsorber for natural gas purification and natural gas purification system Download PDFInfo
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- CN217351281U CN217351281U CN202221033436.7U CN202221033436U CN217351281U CN 217351281 U CN217351281 U CN 217351281U CN 202221033436 U CN202221033436 U CN 202221033436U CN 217351281 U CN217351281 U CN 217351281U
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Abstract
The utility model relates to a natural gas purifies technical field particularly, relates to a solvent rich liquid adsorber and natural gas clean system for natural gas purifies. This adsorber includes casing and at least one absorption filter core, adsorbs feed liquor pipe and adsorbs the drain pipe and all set up in adsorbing the barrel bottom. The adsorption filter core is a sandwich type active carbon filter core, the outer diameter is more than or equal to 150mm, the adsorption material is high-iodine-value bamboo active carbon powder, and the iodine adsorption value is more than or equal to 1200 mg/g. The adsorber adopts the adsorption filter element, the removal efficiency of the heavy liquid hydrocarbon is more than or equal to 70 percent, the adsorption efficiency of the liquid hydrocarbon and organic degradation products is greatly improved, and the accumulation effect of liquid pollutants, particularly the heavy liquid hydrocarbon in the natural gas dehydration and desulfurization process is effectively reduced. The adsorption filter element with the large diameter effectively prolongs the service life, prolongs the replacement period and reduces the workload of replacing the adsorption filter element.
Description
Technical Field
The utility model relates to a natural gas purifies technical field particularly, relates to a solvent rich liquid adsorber and natural gas clean system for natural gas purifies.
Background
In the process of natural gas exploitation, a solvent is required to be adopted to carry out processes such as dehydration, desulfurization and the like on natural gas. The solvent comprises ethylene glycol, triethylene glycol and amine liquid.
In the purification process of natural gas dehydration, desulfurization and the like, the solvent barren solution enters the contact tower from the upper part, and becomes a solvent rich solution containing a plurality of pollutants after the solvent barren solution and the natural gas are in reverse contact reaction in the contact tower, and the solvent rich solution flows out from the lower part of the contact tower. And (3) conveying the solvent rich solution flowing out of the contact tower to a solvent regeneration treatment device for regeneration treatment, regenerating the solvent rich solution into qualified solvent poor solution, and conveying the solvent poor solution to the contact tower again for recycling, thereby realizing the recycling of the solvent.
The solvent rich solution generated by the natural gas purification treatment process contains a large amount of soluble pollutants and a large amount of insoluble pollutants (particle pollutants and hydrocarbon pollutants). Hydrocarbon contaminants cause scaling, foaming, corrosion, plugging, etc., which adversely affect the natural gas purification process and the solvent regeneration process. Because these solvents are recycled, after the system runs for a long time, hydrocarbon pollutants (especially heavy hydrocarbons) in the system can generate accumulation effect, which causes the continuous increase of the pollution degree of the system, and finally causes the problems of the performance reduction of the purification system and the regeneration system, the system failure and shutdown, the running cost increase and the like. Therefore, in the solvent regeneration treatment system, an activated carbon adsorber is required to timely and effectively remove the hydrocarbon pollutants.
At present, the common technical means for removing liquid pollutants is to adopt an adsorber provided with a fixed carbon bed type adsorber or a sintered (tubular) activated carbon filter element. However, both adsorbers have drawbacks, in particular:
the utilization rate of the active carbon of the fixed carbon bed adsorber is low, the adsorption capacity is small, carbon grains are seriously lost, and the active carbon is inconvenient to replace. The sintered (tubular) activated carbon adsorption filter element has small iodine adsorption value, short contact time and low adsorption efficiency of liquid hydrocarbon; meanwhile, under a high-temperature environment, the problem of serious carbon particle loss exists.
In addition, the size of a single filter element is small, the flow rate is small, the number of the filter elements required to be installed in each filter is large, the workload of replacing the filter elements is large, filter element sealing points are more, and leakage is easily caused due to the fact that the filter element sealing points are more.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the activated carbon utilization ratio of the solvent rich liquid adsorber is low, carbon granules run off, the filter core size is small, and the quantity is large.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
the utility model provides a solvent rich liquid absorber for purifying natural gas, which comprises a shell and at least one absorption filter element; the shell comprises an adsorption cylinder, an adsorption liquid inlet pipe, an adsorption liquid inlet cavity, a partition plate, an adsorption liquid outlet cavity and an adsorption liquid outlet pipe; the partition plate is fixedly arranged in the adsorption cylinder body and divides the inner cavity of the adsorption cylinder body into the adsorption liquid inlet cavity and the adsorption liquid outlet cavity which are arranged up and down; the adsorption filter element is detachably arranged on the partition plate and is positioned in the adsorption liquid inlet cavity; the adsorption liquid outlet cavity is communicated with the inner cavity of the adsorption filter element; the adsorption liquid inlet pipe and the adsorption liquid outlet pipe are positioned at the bottom of the adsorption cylinder body; the adsorption liquid inlet pipe is communicated with the adsorption liquid inlet cavity, and the adsorption liquid outlet pipe is communicated with the adsorption liquid outlet cavity; the adsorption filter element is a sandwich type active carbon filter element, and an upstream filter layer, an adsorption filter layer and a downstream filter layer are fixedly sleeved from outside to inside in sequence; the adsorption and filtration layer is made of high-iodine-value bamboo activated carbon powder, the iodine adsorption value is more than or equal to 1200mg/g, the particle size is 200 meshes, and the strength is more than 96%.
The beneficial effects of the utility model reside in that: in the structure, the solvent rich liquid to be treated flows upwards into the adsorption liquid inlet cavity from the bottom of the adsorption cylinder body, and flows downwards into the adsorption liquid outlet cavity after being treated by the adsorption filter element, so that the contact time of the solvent rich liquid and the adsorption filter element is prolonged, and the adsorption effect is effectively improved; the high iodine value bamboo activated carbon powder is adopted, so that the removal efficiency of the adsorption and filtration layer to the heavy liquid hydrocarbon is more than or equal to 70 percent; the active carbon powder with the particle size of 200 meshes and the strength of more than 96 percent is adopted, so that the falling of carbon particles can be effectively prevented; downstream of the adsorption filter, a downstream filtration layer 46 having a filtration accuracy of 3 μm is provided to further prevent the carbon particles from falling off from the adsorption filter 4.
The utility model discloses can also realize through following further technical scheme:
furthermore, the filtering precision of the upstream filtering layer is 5 μm PP filtering material; the filtration precision of the downstream filtration layer is 3 mu m PP filtration material.
The beneficial effect of adopting above-mentioned further scheme is that, the filter fineness of low reaches filter layer is less than the upstream filter layer, can further prevent effectively that carbon granule from polluting the solvent pregnant solution of having handled.
Further, the outer diameter of the adsorption filter element is larger than or equal to 150 mm.
The beneficial effect who adopts above-mentioned further scheme is that, adopts the adsorption filter core of major diameter, can improve adsorption area by a wide margin, can prolong the change cycle of adsorption filter core by a wide margin, also reduces the work load that the filter core was changed simultaneously.
Further, the adsorption filter element also comprises an inner supporting tube and an outer supporting tube; the inner supporting tube is fixedly sleeved in the downstream filtering layer, and the outer supporting tube is fixedly sleeved outside the upstream filtering layer.
The beneficial effect who adopts above-mentioned further scheme is, after adopting the stay tube to support, can prevent that the rich liquid of solvent from flowing and producing the impact and influence the filter effect to the filter layer.
Furthermore, the liquid inlet of the adsorption liquid inlet pipe and the liquid outlet of the adsorption liquid outlet pipe are positioned on the same horizontal plane.
The adsorption cylinder has the advantages that the adsorption liquid inlet pipe and the adsorption liquid outlet pipe are both arranged at the bottom of the adsorption cylinder body, so that the adsorption cylinder is convenient to mount; meanwhile, the contact time of the solvent rich solution and the adsorption filter element is prolonged, and the adsorption effect is effectively improved.
Further, the adsorption cylinder body is of a vertically arranged cylinder structure, and the adsorption filter element is vertically arranged in the adsorption cylinder body; the top of the adsorption cylinder body is provided with an adsorption cylinder body end cover which can be opened and closed.
The beneficial effect who adopts above-mentioned further scheme is, make the change process of adsorbing the filter core simple and efficient, easily installation and dismantlement.
Furthermore, it is a plurality of, a plurality of to adsorb the filter core and be in it encircles to adsorb on the baffle adsorb the liquid outlet of feed liquor pipe and arrange.
The beneficial effect of adopting above-mentioned further scheme is, further improve adsorption efficiency.
The filter element mounting seat is provided with a liquid channel along the axial direction; the filter element mounting seat is mounted on the partition plate, the upper part of the filter element mounting seat is detachably and hermetically connected with the adsorption filter element, and the liquid channel is communicated with the adsorption liquid outlet cavity.
Adopt the beneficial effect of above-mentioned further scheme to be, can realize the sealing connection of absorption filter core and baffle.
Further, the solvent is one of ethylene glycol, triethylene glycol or amine solution.
The utility model provides a natural gas purification system, including foretell a solvent rich liquid adsorber that is used for natural gas purification.
Drawings
Fig. 1 is a cross-sectional view of a longitudinal section of an adsorption cylinder end cover in an open state in a solvent rich liquid adsorber for natural gas purification according to the present invention;
FIG. 2 is a front view of the filter element mounting seat mounted on the partition plate of the rich solvent adsorber for natural gas purification of the present invention;
fig. 3 is a cross-sectional view of a longitudinal section of the solvent rich liquid adsorption filter element for natural gas purification of the present invention;
fig. 4 is a cross-sectional view of the solvent rich liquid adsorption filter element for natural gas purification of the present invention;
fig. 5 is a schematic view of an assembly structure of an adsorption filter element and a partition plate in the solvent rich liquid adsorber for natural gas purification according to the present invention;
fig. 6 is a schematic structural diagram of a filter element mounting seat in the solvent rich liquid adsorber for natural gas purification according to the present invention.
In the drawings, the reference numbers indicate the following list of parts:
1. adsorbing a liquid inlet pipe;
2. a partition plate; 21. a liquid outlet hole is adsorbed; 22. adsorbing a liquid inlet hole;
3. adsorbing the cylinder; 31. adsorbing the liquid inlet cavity; 32. adsorbing the liquid outlet cavity;
4. adsorbing the filter element; 41. a sealing gasket; 42. a filter element end cover; 43. an outer support tube; 44. an upstream filter layer; 45. an adsorption filtration layer; 46. a downstream filtration layer; 47. an inner support tube;
5. adsorbing the end cover of the cylinder body;
6. adsorbing the liquid outlet pipe;
7. a filter element mounting seat.
Detailed Description
The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, the solvent rich liquid adsorber for natural gas purification of the present invention includes a housing and at least one adsorption filter element 4; the shell comprises an adsorption cylinder 3, an adsorption liquid inlet pipe 1, an adsorption liquid inlet cavity 31, a partition plate 2, an adsorption liquid outlet cavity 32 and an adsorption liquid outlet pipe 6; the baffle plate 2 is fixedly arranged in the adsorption cylinder 3, and divides the inner cavity of the adsorption cylinder 3 into an adsorption liquid inlet cavity 31 and an adsorption liquid outlet cavity 32 which are arranged up and down; the adsorption filter element 4 is detachably arranged on the partition plate 2 and is positioned in the adsorption liquid inlet cavity 31; the absorption liquid outlet cavity 32 is communicated with the inner cavity of the absorption filter element 4; the adsorption liquid inlet pipe 1 and the adsorption liquid outlet pipe 6 are positioned at the bottom of the adsorption cylinder 3; the adsorption liquid inlet pipe 1 is communicated with the adsorption liquid inlet cavity 31, and the adsorption liquid outlet pipe 6 is communicated with the adsorption liquid outlet cavity 32.
The utility model discloses an adsorber, when adsorbing solvent rich liquid, the solvent rich liquid that contains the pollutant flows into through adsorbing feed liquor pipe 1 and adsorbs feed liquor chamber 31, after adsorbing purification through adsorption filter core 4, solid pollutant stays in adsorbing feed liquor chamber 31, and the solvent rich liquid after the purification flows into and adsorbs play sap cavity 32 to flow out the adsorber through adsorbing drain pipe 6, get into downstream system and retrieve or recycle; in this structure, the rich liquid of solvent that awaits processing upwards flows into absorption feed liquor chamber 31 by the bottom of adsorbing barrel 3, flows into again downwards after the processing of adsorption filter 4 and adsorbs play liquid chamber 32, has increased the contact time of rich liquid of solvent with adsorption filter 4, effectively improves the adsorption effect.
The adsorption filter element 4 adopted by the absorber of the utility model comprises an upstream filter layer 44, an adsorption filter layer 45 and a downstream filter layer 46 which are fixedly sleeved from outside to inside in sequence; the upstream filter layer 44 is a PP filter material with a filter precision of 5 μm, and the downstream filter layer 46 is a PP filter material with a filter precision of 3 μm; the adsorption filter layer 45 is a sandwich type active carbon filter element, the iodine adsorption value is more than or equal to 1200mg/g, the contact time is more than or equal to 20 seconds, the particle size is 200 meshes, and the strength is more than 96 percent;
the bamboo activated carbon powder with high iodine value is adopted, the adsorption capacity and the adsorption speed of the bamboo activated carbon powder are obviously superior to those of the traditional activated carbon material, and further, the adsorption efficiency and the service life of liquid hydrocarbon and organic degradation products are greatly improved. The accumulation effect of liquid pollutants, particularly heavy liquid hydrocarbons in the system is effectively reduced; the removal efficiency of the adsorption and filtration layer 45 to the heavy liquid hydrocarbon is more than or equal to 70 percent.
The active carbon powder with the particle size of 200 meshes and the strength of more than 96 percent is adopted, so that the falling of carbon particles can be effectively prevented.
Downstream of the adsorption filter, a downstream filtration layer 46 having a filtration accuracy of 3 μm is provided to further prevent the carbon particles from falling off from the adsorption filter 4.
Preferably, the outer diameter of the adsorption filter element 4 is greater than or equal to 150 mm; the adsorption filter element 4 with the large diameter is adopted, the adsorption area can be greatly increased, the replacement period of the adsorption filter element 4 can be prolonged by 5 to 6 times, and meanwhile, the workload of filter element replacement is also reduced.
Further preferably, the outer diameter of the adsorption filter element 4 is 160 mm; adopt the foldable filter core that the external diameter is 160mm, its adsorption area is 20 ~ 30 times of traditional external diameter is the deep-layer filter core of 63mm, makes the quantity reduction of adsorbing filter core 4 one tenth originally, has further reduced the replacement cost and the change work load of filter core.
The utility model discloses an adsorption filter 4's length can be selected according to actual need, and generally speaking, adsorption filter 4 length is 400 ~ 1200mm the utility model discloses an in the embodiment, adsorption filter 4's length is 1016 mm.
The adsorption filter element 4 of the utility model also comprises an inner support tube 47 and an outer support tube 43; the inner support tube 47 is fixedly sleeved inside the downstream filtering layer 46, and the outer support tube 43 is fixedly sleeved outside the upstream filtering layer 44; after the supporting pipe is adopted for supporting, the phenomenon that the filtering effect is influenced by the impact of the flowing of the rich solution of the solvent on the filtering layer can be prevented.
As shown in fig. 3 and 5, the utility model discloses an absorption filter core 4, fixed mounting filter core end cover 42 is still gone back at both ends, the concrete structure of filter core end cover 42 includes annular lid and fixing bolt, wherein, the upper and lower both ends at absorption filter core 4 are buckled to the annular lid, the middle part that is located the annular lid of upper end is equipped with fixing bolt, fixing bolt inserts absorption filter core 4 and fixes, thereby seal the absorption filter core 4 inner chamber of this end, prevent not by the rich liquid of absorption filterable solvent entering absorption filter core 4's inner chamber, influence the pollution effect. The annular cover body positioned at the lower end is provided with a sealing gasket 41, and the sealing gasket 41 can enable the adsorption filter element 4 to be in sealing connection with the partition plate 2. The middle part of the annular cover body at the lower end is open, and solvent rich liquid in the inner cavity of the adsorption filter element 4 can flow out.
Preferably, the liquid inlet of the adsorption liquid inlet pipe 1 and the liquid outlet of the adsorption liquid outlet pipe 6 are positioned on the same horizontal plane.
In practical use, the solvent rich liquid adsorber needs to be connected with related devices at the same time. The solvent rich liquid adsorber of the utility model arranges the adsorption liquid inlet pipe 1 and the adsorption liquid outlet pipe 6 at the bottom of the adsorption cylinder 3, which is convenient for installation; meanwhile, in the structure, the solvent rich liquid to be adsorbed upwards flows into the adsorption liquid inlet cavity 31 from the bottom of the adsorption cylinder 3, and downwards flows into the adsorption liquid outlet cavity 32 after being adsorbed by the adsorption filter element 4, so that the contact time of the solvent rich liquid and the adsorption filter element 4 is prolonged, and the adsorption effect is effectively improved.
It should be noted that, when the solvent rich liquid flows into the adsorption liquid inlet chamber 31 through the adsorption liquid inlet pipe 1, the solvent rich liquid has a sufficient flow rate, and the flow rate may be provided by a pump body or other upstream devices.
As shown in fig. 2, 5-6, preferably, the adsorber of the present invention further includes a filter element mounting seat 7, and the filter element mounting seat 7 is provided with a liquid channel along an axial direction thereof; the filter element mounting seat 7 is arranged on the partition plate 2, the upper part of the filter element mounting seat is detachably and hermetically connected with the adsorption filter element 4, and the liquid channel is communicated with the adsorption liquid outlet cavity 32.
Preferably, at least one adsorption liquid outlet hole 21 is formed in the partition plate 2, and the filter element mounting seat 7 is fixed on the adsorption liquid outlet hole 21, so that the adsorption filter element 4 is detachably and hermetically mounted on the partition plate 2; an adsorption liquid inlet hole 22 is further formed in the partition plate 2, the adsorption liquid inlet pipe 1 penetrates through the adsorption liquid outlet cavity 32, and a liquid outlet of the adsorption liquid inlet pipe is fixed to the adsorption liquid inlet hole 22 and is communicated with the adsorption liquid inlet cavity 31.
Preferably, the adsorption cylinder 3 is a vertically arranged cylinder structure, and the adsorption filter element 4 is vertically arranged in the adsorption cylinder 3; the top of the adsorption cylinder 3 is provided with an adsorption cylinder end cover 5 which can be opened and closed; when the adsorber is used, the end cover 5 of the adsorption cylinder body is closed; when the adsorption filter element 4 needs to be replaced, the adsorption cylinder end cover 5 positioned at the top can be opened, and the adsorption filter element 4 is taken out and inserted into the adsorption cylinder 3, so that the replacement process of the adsorption filter element 4 is simple, convenient and quick, and easy to install and disassemble.
Preferably, a plurality of adsorption filter elements 4 are arranged on the partition plate 2 around the liquid outlet of the adsorption liquid inlet pipe 1; by adopting the arrangement mode, the adsorption efficiency can be effectively increased.
It should be noted that fig. 2 and 5 are only schematic structural diagrams, and the specific number of the cartridge mounting seat 7 and the adsorption cartridge 4 is not limited by the specific number in the drawings.
Further preferably, the plurality of adsorption filter elements 4 are arranged in a centrosymmetric manner on a horizontal plane with respect to the circle center of the liquid outlet of the adsorption liquid inlet pipe 1.
Preferably, in the adsorber of the present invention, the solvent for adsorption treatment is ethylene glycol, triethylene glycol or amine liquid. Ethylene glycol and triethylene glycol are solvents for dehydrating natural gas, and amine liquid is a solvent for desulfurizing natural gas.
The utility model discloses an adsorber's working process does:
ethylene glycol, triethylene glycol or amine liquid containing liquid pollutants enters the adsorption liquid inlet cavity 31 through the adsorption liquid inlet pipe 1 of the adsorber, dirty liquid flows through the adsorption filter element 4 from outside to inside, an adsorption filter layer 45 of the adsorption filter element 4 adsorbs liquid hydrocarbon and degradation products carried by the dirty liquid, and the adsorbed liquid flows into an inner cavity of the adsorption filter element 4 and flows from top to bottom to converge into the adsorption liquid outlet cavity 32. The purified liquid after removing the liquid pollutants flows out from the adsorption liquid outlet pipe 6 to obtain filtrate.
The liquid pollutants in the filtrate are effectively removed, and the recycling requirement can be met.
The utility model discloses a natural gas purification system, including foretell solvent rich solution adsorber.
The invention is illustrated below by means of specific examples:
example 1
The adsorption filter element 4 of the embodiment has the outer diameter of 160mm, the length of 1016mm, the number of 39 and the filtering precision of 1 micron.
The adsorber of this example was used to filter and purify the rich ethylene glycol solution at a flow rate of 30 square/hour.
The detection proves that the removal efficiency of the hydrocarbon substances is 80%, and the particulate matters with the particle size of more than 1 micron can be effectively removed. The replacement cycle of the adsorption filter element 4 is 180 days.
When the filter element is replaced, the time for replacing the whole set of the adsorption filter element 4 of one adsorber is 78 minutes.
Example 2
The adsorption filter element 4 of the present embodiment has an outer diameter of 160mm, a length of 1016mm, a number of 3, and a filtration accuracy of 3 μm.
The adsorber of the embodiment is used for filtering and purifying the ethylene glycol rich solution, the flow rate is 15 square/hour, and the particulate matter content is 6 mg/L.
The detection proves that the removal efficiency of the hydrocarbon substances is 80%, and the particulate matters with the particle size of more than 3 microns can be effectively removed. The replacement period of the adsorption cartridge 4 was 240 days.
When the filter element is replaced, the time for replacing the whole set of the adsorption filter element 4 of one adsorber is 39 minutes.
Example 3
The adsorption filter element 4 of the present example had an outer diameter of 160mm, a length of 1016mm, a number of 40, and a filtration accuracy of 1 μm.
The amine liquid was filtered and purified using the adsorber of this example at a flow rate of 30 square/hour.
The detection proves that the removal efficiency of the hydrocarbon substances is 85%, and the particulate matters with the particle size larger than 1 micron can be effectively removed. The replacement period of the adsorption filter element 4 is 230 days.
When the filter element is replaced, the time for replacing the whole set of the adsorption filter element 4 of one adsorber is 42 minutes.
Comparative example 1
The filter element in the adsorber of the comparative example is a sintered (bonded) activated carbon filter element formed by bonding and extruding wood activated carbon, the outer diameter is 63mm, the length is 1016mm, the filtering precision is 10 microns, and the number is 200.
The adsorber of the comparative example is used for treating the ethylene glycol rich solution, the flow rate is 30 square/hour, and the content of particulate matters is 10 mg/L.
Through detection, the efficiency of the adsorber for removing the hydrocarbon substances is 55%, and the service life of the filter element is 100 days.
The time for replacing all the filter elements of one adsorber is 200 minutes.
Can see through above-mentioned embodiment and comparative example, adopt the utility model discloses an integrated adsorber of ethylene glycol rich liquid handles the ethylene glycol rich liquid, and the adsorption efficiency is showing is higher than the device of comparative example 1, and especially heavy liquid hydrocarbon's purification efficiency is higher. And simultaneously, the utility model discloses an among the adsorber, the change cycle of adsorption filter core 4 is longer, and it is little to change the work load, makes the running cost of adsorber reduce by a wide margin.
In examples 1 to 3 of the present invention, the particle size of the activated carbon powder of the adsorption and filtration layer 45 is 200 mesh and the strength is more than 96%, which effectively prevents the carbon particles from falling off; a downstream filter layer 46 having a filter fineness of 3 μm is provided downstream to further prevent the carbon particles from falling off from the adsorption filter element 4. Thus, the adsorber 2 of examples 1 and 2 can be followed without a filter device. The filter element in the adsorber of the comparative example is formed by bonding and extruding the wood activated carbon, and a filter layer is not arranged at the downstream, so that the carbon particles are easy to fall off in use, and a filter device positioned behind the adsorber is also required to be arranged in the comparative example in order to prevent the fallen carbon particles from polluting purified solvent rich liquid.
In the description of the present invention, it should be noted that the terms "center", "length", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A solvent rich liquid adsorber for natural gas purification, comprising a housing and at least one adsorption filter element (4);
the shell comprises an adsorption cylinder body (3), an adsorption liquid inlet pipe (1), an adsorption liquid inlet cavity (31), a partition plate (2), an adsorption liquid outlet cavity (32) and an adsorption liquid outlet pipe (6);
the partition plate (2) is fixedly arranged in the adsorption cylinder (3) and divides the inner cavity of the adsorption cylinder (3) into the adsorption liquid inlet cavity (31) and the adsorption liquid outlet cavity (32) which are arranged up and down; the adsorption filter element (4) is detachably arranged on the partition plate (2) and is positioned in the adsorption liquid inlet cavity (31);
the adsorption liquid outlet cavity (32) is communicated with the inner cavity of the adsorption filter element (4);
the adsorption liquid inlet pipe (1) and the adsorption liquid outlet pipe (6) are positioned at the bottom of the adsorption cylinder body (3); the adsorption liquid inlet pipe (1) is communicated with the adsorption liquid inlet cavity (31), and the adsorption liquid outlet pipe (6) is communicated with the adsorption liquid outlet cavity (32);
the adsorption filter element (4) is a sandwich type active carbon filter element, and an upstream filter layer (44), an adsorption filter layer (45) and a downstream filter layer (46) are fixedly sleeved from outside to inside in sequence;
the adsorption and filtration layer (45) is made of high-iodine-value bamboo activated carbon powder, the iodine adsorption value is larger than or equal to 1200mg/g, the particle size is 200 meshes, and the strength is larger than 96%.
2. The adsorber of claim 1, wherein the adsorber further comprises a second adsorber for adsorbing the solvent rich liquid from the second adsorber,
the filtering precision of the upstream filtering layer (44) is 5 mu m PP filtering material;
the downstream filter layer (46) is a PP filter material with the filter precision of 3 mu m.
3. The adsorber for solvent rich liquid for natural gas purification according to claim 1, wherein the outer diameter of the adsorption filter element (4) is greater than or equal to 150 mm.
4. The adsorber for solvent rich liquid for natural gas purification according to claim 1, wherein the adsorption cartridge (4) further comprises an inner support tube (47) and an outer support tube (43); the inner supporting tube (47) is fixedly sleeved in the downstream filtering layer (46), and the outer supporting tube (43) is fixedly sleeved outside the upstream filtering layer (44).
5. The adsorber for the rich solvent in the natural gas purification as claimed in any one of claims 1 to 4, wherein the liquid inlet of the adsorption liquid inlet pipe (1) and the liquid outlet of the adsorption liquid outlet pipe (6) are located on the same horizontal plane.
6. The adsorber for the solvent rich liquid used for the purification of natural gas according to claim 5, wherein the adsorption cylinder (3) is a vertically arranged cylinder structure, and the adsorption filter element (4) is vertically arranged in the adsorption cylinder (3); the top of the adsorption cylinder body (3) is provided with an adsorption cylinder body end cover (5) which can be opened and closed.
7. The adsorber for absorbing the rich solvent in the natural gas as claimed in any one of claims 1 to 4, wherein the number of the adsorption filter elements (4) is multiple, and the multiple adsorption filter elements (4) are arranged on the partition plate (2) around the liquid outlet of the adsorption liquid inlet pipe (1).
8. The adsorber for the solvent rich liquid used for purifying the natural gas according to any one of claims 1 to 4, further comprising a filter element mounting seat (7), wherein the filter element mounting seat (7) is provided with a liquid channel along the axial direction thereof;
the filter element mounting seat (7) is mounted on the partition plate (2), the upper part of the filter element mounting seat is detachably and hermetically connected with the adsorption filter element (4), and the liquid channel is communicated with the adsorption liquid outlet cavity (32).
9. The adsorber for the rich solvent in the natural gas purification as claimed in any one of claims 1 to 4, wherein the solvent is one of ethylene glycol, triethylene glycol or amine liquid.
10. A natural gas purification system comprising the solvent rich liquid adsorber for natural gas purification as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221033436.7U CN217351281U (en) | 2022-04-29 | 2022-04-29 | Solvent rich liquid adsorber for natural gas purification and natural gas purification system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221033436.7U CN217351281U (en) | 2022-04-29 | 2022-04-29 | Solvent rich liquid adsorber for natural gas purification and natural gas purification system |
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| CN217351281U true CN217351281U (en) | 2022-09-02 |
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| CN202221033436.7U Active CN217351281U (en) | 2022-04-29 | 2022-04-29 | Solvent rich liquid adsorber for natural gas purification and natural gas purification system |
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2022
- 2022-04-29 CN CN202221033436.7U patent/CN217351281U/en active Active
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