CN212396311U - Low-temperature methanol impurity removal circulating device - Google Patents
Low-temperature methanol impurity removal circulating device Download PDFInfo
- Publication number
- CN212396311U CN212396311U CN202020534564.4U CN202020534564U CN212396311U CN 212396311 U CN212396311 U CN 212396311U CN 202020534564 U CN202020534564 U CN 202020534564U CN 212396311 U CN212396311 U CN 212396311U
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- CN
- China
- Prior art keywords
- pipe
- cold
- low
- liquid
- gathering
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 144
- 239000012535 impurity Substances 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 53
- 239000007787 solid Substances 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 25
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 15
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 abstract description 5
- 150000003568 thioethers Chemical class 0.000 abstract description 5
- 238000003860 storage Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- -1 S and COS Chemical class 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen(.) Chemical compound [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a low temperature methyl alcohol edulcoration technical field just discloses a low temperature methyl alcohol edulcoration circulating device, including the intake pipe, the end intercommunication of giving vent to anger of intake pipe has the sleeve pipe, the intake pipe right side is through solid fixed ring and the left side fixed connection who gathers cold pipe, gu fixed ring cup joints sheathed tube left end. This application side is through the improvement to gathering the cold pipe, and the outer gaseous methanol liquid of gathering the inside filling of cold pipe is arranged into through the sleeve to outer gas that advances to be provided with cavity spiral pipe in the methanol liquid, cavity spiralThe tube is used for communicating liquid nitrogen, so that the temperature inside the tube is reduced, under the action of the liquid nitrogen inside the hollow spiral tube, according to the CO in the low-temperature methanol2、H2S and organic sulfides such as COS have high solubility, and H2、N2The principle that the solubility of effective gas is very low and the selectivity of methanol to various impurity gases is very good can convert CO in gas in methanol liquid2、H2And S and COS are processed at high speed and high processing quality.
Description
Technical Field
The utility model relates to a low temperature methyl alcohol edulcoration technical field specifically is a low temperature methyl alcohol edulcoration circulating device.
Background
Acid gas (desulfurization and decarburization) is a common harmful gas in industrial devices for large-scale ammonia synthesis, methanol synthesis, hydrogen production and the like, and CO in the gas needs to be treated during gas treatment2、H2S and organic sulfides such as COS.
Due to CO2、H2There are many kinds of organic sulfides such as S and COS, and it is necessary to purify the internal CO by multiple steps2、H2The organic sulfide such as S and COS is eliminated, which is slow in efficiency, difficult to treat and poor in treatment effect.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a low temperature methyl alcohol edulcoration circulating device has solved the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low temperature methyl alcohol edulcoration circulating device, includes the intake pipe, the end intercommunication of giving vent to anger of intake pipe has the sleeve pipe, the intake pipe right side is through solid fixed ring and the left side fixed connection who gathers the cold tube, gu fixed ring cup joints sheathed tube left end, sheathed tube right-hand member extends to gather the right side of cold tube inner chamber, gather and have cup jointed the cavity spiral pipe in the cold tube, the cavity spiral pipe cup joints on the sleeve pipe, gather the cold tube filling and have methyl alcohol liquid, gu fixed ring's bottom intercommunication has first circulating pipe, be provided with the booster pump on the first circulating pipe, the right-hand member of first circulating pipe passes through communicating pipe and liquid reserve tank intercommunication, the top intercommunication of gathering the cold tube has the blast pipe, the one end of blast pipe with the liquid reserve tank intercommunication, the intercommunication of gathering cold tube bottom has the second circulating pipe, be provided with the valve on the, the bottom of standpipe runs through the top of liquid reserve tank and extends to the below of its inner chamber, the bottom of liquid reserve tank is provided with heating device.
A low temperature methyl alcohol edulcoration circulating device, preferred, be provided with the passageway in the solid fixed ring, just the passageway with gather cold pipe inner chamber intercommunication.
A low temperature methyl alcohol edulcoration circulating device, preferred, cavity spiral pipe left end fixedly connected with feed liquor pipe, the top of feed liquor pipe is run through gather the inner wall of cold pipe.
A low temperature methyl alcohol edulcoration circulating device, preferred, cavity spiral pipe right-hand member fixedly connected with fluid-discharge tube, the bottom of fluid-discharge tube is run through gather the below of cold pipe inner wall.
A low temperature methyl alcohol edulcoration circulating device, preferred, the top threaded connection of blast pipe has the connector, the connector alternates to gather the right side at cold tube top.
A low temperature methyl alcohol edulcoration circulating device, preferred, the sleeve pipe includes the body, the cotton cover of PP has been cup jointed in the body, the branch gas pocket has been seted up to the side surface of body.
The utility model provides a low temperature methyl alcohol edulcoration circulating device. The method has the following beneficial effects:
(1) this application side is through the improvement to gathering the cold tube, and outer gas that advances is arranged into gathering the methanol liquid of cold tube inside filling through the sleeve pipe to be provided with the cavity spiral pipe in the methanol liquid, the cavity spiral pipe is used for communicateing the liquid nitrogen, and the temperature of inside like this reduces, under the effect of the liquid nitrogen of cavity spiral pipe inside, according to CO in the low temperature methyl alcohol in the liquid nitrogen2、H2S and organic sulfides such as COS have high solubility, and H2、N2The principle that the solubility of effective gas is very low and the selectivity of methanol to various impurity gases is very good can convert CO in gas in methanol liquid2、H2S and COS treatment, so that the speed is high and the treatment quality is good.
(2) Through the improvement of the liquid storage tank, the methanol liquid after absorbing the impurity gas is subjected to heating regeneration treatment, and CO is desorbed and recovered respectively2Products and compositions containing high concentrations of H2S gas, under the action of booster pump, in liquid storage tankThe methanol liquid and the methanol liquid in the cold accumulating pipe can be recycled.
Drawings
FIG. 1 is a front sectional view of the structure of the present invention;
fig. 2 is a side sectional view of the structural sleeve of the present invention.
In the figure: the device comprises an air inlet pipe 1, a cold collecting pipe 2, a fixing ring 3, a sleeve 4, a pipe body 41, an air distributing hole 42, a cotton sleeve 43PP, a hollow spiral pipe 5, methanol liquid 6, a channel 7, a liquid inlet pipe 8, a liquid outlet pipe 9, a connector 10, an exhaust pipe 11, a liquid storage tank 12, a heating device 13, a second circulating pipe 14, a valve 15, a vertical pipe 16, a communicating pipe 17, a booster pump 18 and a first circulating pipe 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model provides a technical solution: a low-temperature methanol impurity removal circulating device comprises an air inlet pipe 1, an air outlet end of the air inlet pipe 1 is communicated with a sleeve 4, the right side of the air inlet pipe 1 is fixedly connected with the left side of a cold gathering pipe 2 through a fixing ring 3, the fixing ring 3 is sleeved at the left end of the sleeve 4, the right end of the sleeve 4 extends to the right side of an inner cavity of the cold gathering pipe 2, a hollow spiral pipe 5 is sleeved in the cold gathering pipe 2, the hollow spiral pipe 5 is sleeved on the sleeve 4, the cold gathering pipe 2 is filled with methanol liquid 6, the bottom of the fixing ring 3 is communicated with a first circulating pipe 19, a booster pump 18 is arranged on the first circulating pipe 19, the right end of the first circulating pipe 19 is communicated with a liquid storage tank 12 through a communicating pipe 17, the top of the cold gathering pipe 2 is communicated with an exhaust pipe 11, one end of the exhaust pipe 11 is communicated with the liquid storage tank 12, the bottom of the cold gathering pipe 2 is communicated with, the bottom end of the vertical pipe 16 penetrates the top of the liquid storage tank 12 and extends to the lower part of the inner cavity of the liquid storage tank, and the bottom of the liquid storage tank 12 is provided with a heating device 13.
Through the improvement to gathering the cold pipe, the outer gaseous methanol liquid 6 of gathering the inside filling of cold pipe 2 that arranges into of gathering through sleeve pipe 4 of arranging into to be provided with cavity spiral pipe 5 in the methanol liquid 6, cavity spiral pipe 5 is used for communicateing the liquid nitrogen, and the temperature of inside like this reduces, under the liquid nitrogen effect of cavity spiral pipe 5 inside, according to CO in the low temperature methyl alcohol2、H2S and organic sulfides such as COS have high solubility, and H2、N2The principle that the solubility of effective gas is very low and the selectivity of methanol to various impurity gases is very good can convert CO in gas in methanol liquid2、H2S and COS are treated, so that the speed is high, the treatment quality is good, and through the improvement of the liquid storage tank 12, the methanol liquid after absorbing the impurity gas is subjected to heating regeneration treatment, and is respectively desorbed and recovered with CO2Products and compositions containing high concentrations of H2The gas of S, under the action of the booster pump 18, the methanol liquid 6 in the liquid storage tank 12 and the methanol liquid 6 in the cold collecting pipe can be recycled.
In order to guarantee that circulating methanol liquid can be taken out and gather cold cover 2, be provided with passageway 7 in the solid fixed ring 3, and passageway 7 with gather 2 inner chambers of cold pipe and communicate.
Specifically, 5 left end fixedly connected with feed liquor pipes 8 of cavity spiral pipe, the inner wall of gathering cold pipe 2 is run through on the top of feed liquor pipe 8, 5 right-hand member fixedly connected with fluid-discharge tube 9 of cavity spiral pipe, and the below of gathering cold pipe 2 inner walls is run through to the bottom of fluid-discharge tube 9, and the liquid nitrogen gets into from feed liquor pipe 8 to through cavity spiral pipe 5, to the cooling of inside methyl alcohol liquid 6, is collected at the discharge.
In order to ensure that carbon dioxide gas can be stably discharged, the top end of the exhaust pipe 11 is in threaded connection with a connector 10, and the connector 10 is inserted into the right side of the top of the cold-collecting pipe 2.
In order to guarantee that the untreated gas is treated, the sleeve 4 comprises a pipe body 41, a PP cotton sleeve 43 is sleeved in the pipe body 41, the PP cotton sleeve 43 has adsorbability and can absorb part of impurities and gas, and a gas distribution hole 42 is formed in the side surface of the pipe body 41, so that the rapid dispersion of the gas can be guaranteed, and the treatment efficiency is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a low temperature methyl alcohol edulcoration circulating device, includes intake pipe (1), its characterized in that: the end intercommunication of giving vent to anger of intake pipe (1) has sleeve pipe (4), intake pipe (1) right side is through solid fixed ring (3) and the left side fixed connection who gathers cold pipe (2), gu fixed ring (3) cup joint the left end of sleeve pipe (4), the right-hand member of sleeve pipe (4) extends to gather the right side of cold pipe (2) inner chamber, it has connect cavity spiral pipe (5) to gather cold pipe (2) endotheca, cavity spiral pipe (5) cup joint on sleeve pipe (4), it has methyl alcohol liquid (6) to gather cold pipe (2), the bottom intercommunication of solid fixed ring (3) has first circulating pipe (19), be provided with booster pump (18) on first circulating pipe (19), the right-hand member of first circulating pipe (19) passes through communicating pipe (17) and liquid reserve tank (12) intercommunication, the top intercommunication of gathering cold pipe (2) has blast pipe (11), the one end of blast pipe (11) with liquid reserve tank (12) intercommunication, the intercommunication of gathering cold pipe (2) bottom has second circulating pipe (14), be provided with valve (15) on second circulating pipe (14), the bottom fixedly connected with standpipe (16) of second circulating pipe (14), the bottom of standpipe (16) is run through the top of liquid reserve tank (12) and extend to the below of its inner chamber, the bottom of liquid reserve tank (12) is provided with heating device (13).
2. The low-temperature methanol impurity removal circulating device according to claim 1, characterized in that: a channel (7) is arranged in the fixing ring (3), and the channel (7) is communicated with the inner cavity of the cold accumulating pipe (2).
3. The low-temperature methanol impurity removal circulating device according to claim 1, characterized in that: the left end of the hollow spiral pipe (5) is fixedly connected with a liquid inlet pipe (8), and the top end of the liquid inlet pipe (8) penetrates through the inner wall of the cold-gathering pipe (2).
4. The low-temperature methanol impurity removal circulating device according to claim 1, characterized in that: the right end of the hollow spiral pipe (5) is fixedly connected with a liquid discharge pipe (9), and the bottom end of the liquid discharge pipe (9) penetrates through the lower portion of the inner wall of the cold gathering pipe (2).
5. The low-temperature methanol impurity removal circulating device according to claim 1, characterized in that: the top end threaded connection of blast pipe (11) has connector (10), connector (10) alternate the right side at cold pipe (2) top of gathering.
6. The low-temperature methanol impurity removal circulating device according to claim 1, characterized in that: the sleeve (4) comprises a pipe body (41), a PP cotton sleeve (43) is sleeved in the pipe body (41), and air distribution holes (42) are formed in the side surface of the pipe body (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020534564.4U CN212396311U (en) | 2020-04-13 | 2020-04-13 | Low-temperature methanol impurity removal circulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020534564.4U CN212396311U (en) | 2020-04-13 | 2020-04-13 | Low-temperature methanol impurity removal circulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212396311U true CN212396311U (en) | 2021-01-26 |
Family
ID=74370080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020534564.4U Expired - Fee Related CN212396311U (en) | 2020-04-13 | 2020-04-13 | Low-temperature methanol impurity removal circulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212396311U (en) |
-
2020
- 2020-04-13 CN CN202020534564.4U patent/CN212396311U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210126 |