CN107638876A - A kind of adsorbent regenerator and sorbent regeneration system and adsorbent regeneration method - Google Patents
A kind of adsorbent regenerator and sorbent regeneration system and adsorbent regeneration method Download PDFInfo
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- CN107638876A CN107638876A CN201610588868.7A CN201610588868A CN107638876A CN 107638876 A CN107638876 A CN 107638876A CN 201610588868 A CN201610588868 A CN 201610588868A CN 107638876 A CN107638876 A CN 107638876A
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- regenerator
- adsorbent
- endless tube
- nitrogen
- diameter section
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- 239000003463 adsorbent Substances 0.000 title claims abstract description 108
- 238000011069 regeneration method Methods 0.000 title claims abstract description 60
- 230000008929 regeneration Effects 0.000 title claims abstract description 50
- 239000002594 sorbent Substances 0.000 title claims abstract description 13
- 230000001172 regenerating effect Effects 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 4
- 239000007924 injection Substances 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 210
- 229910052757 nitrogen Inorganic materials 0.000 claims description 105
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 91
- 239000007789 gas Substances 0.000 claims description 32
- 230000009719 regenerative response Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 12
- 238000009833 condensation Methods 0.000 claims description 10
- 230000005494 condensation Effects 0.000 claims description 10
- 238000010926 purge Methods 0.000 claims description 7
- 230000008016 vaporization Effects 0.000 claims description 6
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000007420 reactivation Effects 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 7
- 238000012546 transfer Methods 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000009834 vaporization Methods 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 239000005083 Zinc sulfide Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- -1 mercaptan Chemical class 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 2
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
Landscapes
- Separation Of Gases By Adsorption (AREA)
Abstract
The present invention relates to refinery field, disclose a kind of adsorbent regenerator and sorbent regeneration system and adsorbent regeneration method, the regenerator (2) includes regenerator housing (20) and is arranged on the regenerator housing (20) internal endless tube (21) and cooling-part (22), the hole (211) for gas injection is provided with the endless tube (21), wherein, the regenerator housing (20) includes enlarged diameter section successively from top to bottom in the axial direction, extension diameter section and reduced diameter section, the cooling-part (22) is located at the reduced diameter section, the endless tube (21) is located at the top of the extension diameter section or the bottom of the enlarged diameter section.Adsorbent reactivation is carried out in the regenerative system including the regenerator, can effectively prevent occurring the phenomenon of adsorbent accumulation caking at the skew wall of regenerator top extension diameter section.
Description
Technical field
The present invention relates to refinery field, in particular it relates to which a kind of adsorbent regenerator, includes the suction of the adsorbent regenerator
Attached dose of regenerative system, and adsorbent regeneration method.
Background technology
S Zorb patented technologies come from Phillips companies (present COP), and the technique can utilize adsorbent selectivity
Ground removes the sulphur in FCC gasoline and gasoline blend.The commerical test of COP S Zorb desulfurization technologies (STR) is installed on 2001
April in year is used for COP Borger oil plants.The S Zorb technologies of Sinopec joint-stock company overall acquisition in 2007 are right
The patented technology has complete ownership, and since 2007, Sinopec was responsible for the follow-up research and development of the technology and work comprehensively
Journey is designed and all worked to global technology transfer, technological service etc..It is domestic now to be completed 20 sets of industrialization of having gone into operation
Device, wherein, 16 sets of sinopec, 1 set of petrochina, extend 2 sets of oil, Fujian 1 set of petrochemical industry of joint.S Zorb technologies have become
The technical way of domestic quality of gasoline upgrading.
S Zorb techniques are based on suction-operated principle and carry out desulfurization to gasoline, by adsorbent optionally adsorbed gasoline
Sulphur atom in the sulfur-containing compounds such as mercaptan, disulphide, thioether and thiophene-based and reach the purpose of desulfurization, then to adsorbent
Regeneration, so that it becomes sulfur dioxide enters in regenerated flue gas, flue gas goes sulphur or alkali cleaning again.S Zorb technical process mainly includes
Six steps chemically react：(1) absorption of sulphur；(2) hydrogenation of olefins；(3) olefin hydroisomerization；(4) adsorbent aoxidizes；(5) adsorb
Agent reduces；And (6) tail gas neutralizes.Wherein step (4) and (5) belong to adsorbent reactivation part.
In existing S Zorb catalytic gasoline adsorpting desulfurization devices, regenerator is that the main of adsorbent reactivation part is set
Standby, adsorbent caking is accessory substance in regenerative process in regenerator, and gas is from bottom to top by top extension diameter section in regenerator
Linear speed decline, the step of linear speed be present, cause the domatic sorbent deposition in expanding place in particularly expanding place.Adsorbent caking is present
" aggregation " effect, i.e., once expanding section forms caking, fluid effect will further deteriorate, and adsorbent caking is more long bigger.
With the extension in plant running cycle, when the fluctuation of temperature or pressure occurs for regenerator, the suction accumulated on skew wall
Attached dose of block can come off and fall to regenerator tapering, cause adsorbent lower stockline in regenerator to block, and then influence absorption
The normal circulation of agent.If regenerator blanking pipeline blocks serious, it is necessary to regenerative system of stopping transport, is cleared up regenerator, so as to
Normal production is influenceed, causes certain economic loss.
The content of the invention
The purpose of the present invention be overcome in the prior art adsorbent easily adsorbent regenerator extension diameter section deposits the problem of,
And provide a kind of adsorbent regenerator and sorbent regeneration system and adsorbent regeneration method.
To achieve these goals, the invention provides a kind of adsorbent regenerator, wherein, the regenerator includes regenerator
Housing and the endless tube and cooling-part for being arranged on the regenerator enclosure interior, it is provided with for gas injection on the endless tube
Hole, wherein, the regenerator housing includes enlarged diameter section, extension diameter section and reduced diameter section, institute successively from top to bottom in the axial direction
State cooling-part and be located at the reduced diameter section, the endless tube is located at the top of the extension diameter section or the bottom of the enlarged diameter section.
Present invention also offers a kind of sorbent regeneration system, wherein, the regenerative system includes above-mentioned regenerator, regeneration
Device recipient and nitrogen electric heater, the adsorbent outlet of the regenerator connect with the Regenerator receiver, the regeneration
It is provided with device receiver and takes thermal part, it is described to take thermal part to be used to transmit nitrogen and carry out taking heat to the adsorbent after regeneration,
And the nitrogen outlet for taking thermal part connects with the nitrogen electric heater.
Present invention also offers a kind of adsorbent regeneration method, this method includes introducing in adsorbent to be generated and regeneration air
Regenerative response is carried out in the regenerator, wherein, the regenerator is above-mentioned regenerator, and in the regenerative response process
In, gas is passed through into the endless tube of the internal regenerator, to pass through expansion of the hole set on the endless tube to the regenerator
Deposit on the skew wall of footpath section is purged.
The inside of existing adsorbent regenerator in the axial direction from top to bottom generally successively include enlarged diameter section, extension diameter section and
Reduced diameter section, wherein, the material in regenerator is from bottom to top by with the extension of the cycle of operation, when temperature occurs for regenerator
Or pressure fluctuation when, the adsorbent block accumulated on extension diameter section skew wall can come off and fall to regenerator bottoms (cone
Portion), cause adsorbent lower stockline in regenerator to block, and then influence the normal circulation of adsorbent.And the present invention is by regenerating
Increase bustle pipe arrangement inside device, make there is a certain amount of nitrogen to purge on the skew wall of regenerator top extension diameter section, form aeration orifice, have
Effect prevents the phenomenon for occurring adsorbent accumulation caking at the skew wall of regenerator top extension diameter section, is also beneficial to reduce water vapor partial pressure,
The chemically upper generation for further suppressing foulant of reaction, so as to effectively avoid the suction due to being accumulated at regenerator extension diameter section skew wall
Attached dose of block comes off, and causes the not smooth anomaly of regenerator lower stockline so that the operation week of sorbent regeneration system
Phase is longer more steady.
A preferred embodiment of the invention, adsorbent is carried out in sorbent regeneration system provided by the invention
Regeneration, thermal medium is taken for Regenerator receiver, and substituting traditional steam using nitrogen takes heat, and will take the nitrogen after heat again
Enter each hot nitrogen exhaustion point after heating, not only reduce and take hot cost and nitrogen electric heater load, also eliminate due to taking heat
Part leakage causes adsorbent to lump, the hidden danger stopped work so as to cause regenerative system to be forced.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of schematic diagram of the sorbent regeneration system of preferred embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of the endless tube of preferred embodiment of the present invention.
Description of reference numerals
1 regenerator feed tank；2 regenerators；
20 regenerator housings；21 endless tubes；
211 holes；22 cooling-parts；
3 Regenerator receivers；31 take thermal part；
4 condensate water pots；5 nitrogen electric heaters；
6 nitrogen feedways.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The invention provides a kind of adsorbent regenerator, wherein, as depicted in figs. 1 and 2, the regenerator 2 includes regenerator
Housing 20 and the endless tube 21 and cooling-part 22 being arranged on inside the regenerator housing 20, use is provided with the endless tube 21
In the hole 211 of gas injection, wherein, the regenerator housing 20 includes enlarged diameter section, expanding successively from top to bottom in the axial direction
Section and reduced diameter section, the cooling-part 22 are located at the reduced diameter section, the endless tube 21 be located at the extension diameter section top or
The bottom of the enlarged diameter section.In the present invention, " enlarged diameter section " and " reduced diameter section " be relative to concept, mainly for saying
The different structure of diameter of the different parts of the bright regenerator housing 20；" top " refers to the sheet of the extension diameter section
The top position of body；" bottom " refers to the position on the lower of the enlarged diameter section in itself." top of the extension diameter section is described
The bottom of enlarged diameter section " includes the boundary position of the enlarged diameter section and the extension diameter section.
In the present invention, to the particular location of the endless tube 21, there is no particular limitation, as long as passing through the hole 211 on endless tube 21
The gas ejected can effectively prevent adsorbent from being accumulated on the skew wall of extension diameter section.Under preferable case, the endless tube 21
In the enlarged diameter section and the intersection of the extension diameter section；Also, in order that the gas ejected from the hole 211 is to extension diameter section
Skew wall uniformly purge, under preferable case, the center line of the endless tube 21 is overlapping with the central axis of the regenerator housing 20.
In the present invention, the setting of the opening direction in the hole 211 directly affects purging effect of the gas to skew wall.It is preferred that feelings
Under condition, Open Side Down in the hole 211 or obliquely.
Because the gas ejected from hole 211 has certain impact power, if gas is blown on regenerator housing 20, institute
State regenerator housing 20 can perforation is formed because of being impacted for a long time, so as to damage the regenerator, therefore, in order to avoid by
It is described under preferable case in causing shortened equipment life to the build-up of pressure of regenerator housing 20 from the gas that hole 211 is ejected
The gas that the opening direction in hole 211 to eject from the hole 211 does not collide with the skew wall of extension diameter section.
Mode is preferably carried out according to one kind of the present invention, the opening direction in the hole 211 is parallel with the skew wall of extension diameter section.
It so both can guarantee that the gas ejected from hole 211 effectively purged the skew wall of extension diameter section, and avoided adsorbent from being accumulated on skew wall, again
It is avoided that gas shortens equipment life to the build-up of pressure of regenerator housing 20.
In the present invention, to the number in the hole 211 on the endless tube 21, there is no particular limitation, as long as can effectively prevent from inhaling
Attached dose is accumulated on the skew wall of extension diameter section.Under preferable case, the number in the hole (211) on the endless tube (21) is 8-20
It is individual, preferably 10-15.
In the present invention, there is no particular limitation for the selection to the diameter in the hole 211, as long as adsorbent can be prevented effectively
Accumulated on the skew wall of extension diameter section.Under preferable case, a diameter of 1-8mm in the hole 211, preferably 2-5mm.
In the present invention, in the case of multiple holes 211 are provided with endless tube 21, to multiple holes 211 on endless tube 21
Arrangement mode does not select particularly, as long as can make effectively to purge the skew wall of extension diameter section i.e. from the gas that the hole 211 sprays
Can.But in order that the gas can uniformly be purged to the skew wall of the extension diameter section, under preferable case, multiple holes 211
Equidistantly arranged on the endless tube (21).
In the present invention, there is no particular limitation for the selection to the external diameter of the endless tube 21, can be according to practical situations
Selection.Under preferable case, in the diametric(al) of the regenerator housing 20, the outside diameter d of the endless tube 21 is less than the endless tube
The internal diameter D of regenerator housing 20 corresponding to 21 positions；It is further preferred that d and D ratio is 0.6-0.95：1, preferably
For 0.8-0.9：1.
In the present invention, there is no particular limitation for the selection to the internal diameter of the endless tube 21, can be according to practical situations
Selection.Under preferable case, the internal diameter d of the endless tube 211Ratio with the outside diameter d of the endless tube 21 is 0.92-0.97, is preferably
0.95-0.97。
In the present invention, for the operating temperature of the internal regenerator up to more than 300 DEG C, pressure can reach 0.6MPa,
Therefore, the endless tube 21 positioned at the internal regenerator should be heat resisting and pressure resisting material, such as can be steel alloy or stainless steel.
Main the improvement is that of regenerator provided by the invention sets up endless tube 21 in the regenerator, and it is described again
The miscellaneous part of raw device be able to can be known, therefore not to repeat here with same as the prior art to this those skilled in the art.
Present invention also offers a kind of sorbent regeneration system, wherein, as shown in figure 1, the regenerative system is including above-mentioned
Regenerator 2, Regenerator receiver 3 and nitrogen electric heater 5, adsorbent outlet and the regenerator receiver of the regenerator 2
Device 3 connects, and is provided with the Regenerator receiver 3 and takes thermal part 31, described to take thermal part 31 to be used to transmit nitrogen and to again
Adsorbent after life carries out taking heat, and the nitrogen outlet for taking thermal part 31 connects with the nitrogen electric heater 5.
The regenerator 2 ejects gas by the hole 211 on endless tube 21, remains gas to the regenerator 2
The skew wall of extension diameter section is purged, and prevents adsorbent from depositing to form foulant herein.The present invention is not special to the gas
Limit, such as can be nitrogen.
Cyclone separator (not shown) can be provided with the regenerator 2, the material after regenerative response is through whirlwind
Separator separates regenerated flue gas and adsorbent, and the regenerated flue gas is discharged from the top exit of the regenerator 2, the absorption
Agent is lifted into the Regenerator receiver 3 by cold nitrogen, and the nitrogen taken in thermal part takes the heat of the adsorbent away
Amount.The nitrogen taken in thermal part comes from system nitrogen source, such as can come from nitrogen feedway 6, the nitrogen supply dress
Put and take thermal part 31 described at least part nitrogen entrance of 6 outputs.
There is no particular limitation to the selection of thermal part 31 of taking in Regenerator receiver 3 by the present invention, can be this area
Conventional selection, such as can be heat production coil pipe.
After regenerative response occurs for the material in the regenerator 2, the temperature of charge rise, in order to reduce the material temperature
Degree, in of the invention, the regenerative system can also include condensate water pot 4, the condensation-water drain that the condensate water pot 4 passes through bottom
Condensed water is conveyed to the cooling-part 22 inside the regenerator 2, the outlet of the cooling-part 22 connects with the condensate water pot 4
It is logical so as to be back to from the logistics of the cooling-part 22 discharge in the condensate water pot 4.
There is no particular limitation for selection of the present invention to the cooling-part 22, can be the conventional selection in this area, example
It such as can be cooling coil.
There is no particular limitation to the condensed water in the condensate water pot 4 by the present invention, but in order to prevent the regenerator 2
In cooling-part 22 aoxidize fouling due to long-term use of, under preferable case, the condensed water is deaerated water.
Gas-liquid separator (not shown) can be provided with the condensate water pot 4, condensed water is in the regenerator 2
Cooling-part 22 take heat after partly vaporize, part vaporize after logistics enter the condensate water pot 4 in gas-liquid separator in
Gas-liquid separation is carried out, the steam isolated is discharged from the top of condensate water pot 4.
According to a kind of preferred embodiment of the present invention, as shown in figure 1, the regenerative system includes：Regenerator feed
Tank 1, regenerator 2, Regenerator receiver 3, condensate water pot 4, nitrogen electric heater 5, nitrogen feedway 6；Wherein, the regeneration
Device 2 includes regenerator housing 20, endless tube 21 and cooling-part 22, has hole 211 on the endless tube 21.The regenerator feed tank 1
Being connected with the regenerator 2, hot nitrogen lifts the adsorbent to be generated in the regenerator feed tank 1 into the regenerator 2,
Regenerative response is carried out with regeneration air, during regenerative response, the regenerator 2 is ejected by the hole 211 on endless tube 21
Gas purges to the skew wall of extension diameter section, and the adsorbent outlet of the regenerator 2 connects with the Regenerator receiver 3, cold
Nitrogen lifts the adsorbent after being regenerated in the regenerator 2 into the Regenerator receiver 3；The nitrogen feedway 6
Thermal part 31 is taken to connect with the Regenerator receiver 3, at least part nitrogen that the nitrogen feedway 6 exports to institute
Taking in thermal part 31 to the adsorbent after regeneration take heat in Regenerator receiver 3 is stated, in the Regenerator receiver 3
Take thermal part 31 to be connected with nitrogen electric heater 5, after taking in the Regenerator receiver 3 is taken into heat in thermal part 31
Nitrogen enter the nitrogen electric heater 5 in heated, the nitrogen after heating is transported to each hot nitrogen exhaustion point, for example, at least
Nitrogen after part is heated is used to the adsorbent to be generated being promoted in the regenerator 2, or the nitrogen at least partly after heating
Gas is transported in endless tube 21；Deaerated water enters the condensate water pot 4, and stable liquid level (example is kept in the condensate water pot 4
Such as, 40-60 volume %), the condensate water pot 4 connects with the cooling-part 22 in the regenerator 2, and the condensate water pot 4 is logical
Cross cooling-part 22 of the condensation-water drain of bottom into the regenerator 2 and convey condensed water, the condensation in the cooling-part
Water heated portion is vaporized, and by looping back to condensate water pot 4, the gas-liquid separator in condensate water pot 4 is carried out steam to steam
Gas-liquid separation.
Present invention also offers a kind of adsorbent regeneration method, this method includes introducing in adsorbent to be generated and regeneration air
Regenerative response is carried out in the regenerator, wherein, the regenerator is above-mentioned regenerator 2, and in the regenerative response process
In, be passed through gas into the endless tube 21 inside the regenerator 2, with by the hole 211 set on the endless tube 21 to it is described again
Deposit on the skew wall of the extension diameter section of raw device 2 is purged.
A preferred embodiment of the invention, the regeneration method connect including above-mentioned regenerator 2, regenerator
Implement in the system of receiver 3 and nitrogen electric heater 5, this method includes：Adsorbent to be generated carries out regenerative response in regenerator 2
Afterwards, the adsorbent after regeneration is made to enter the Regenerator receiver 3, with nitrogen to the absorption in the Regenerator receiver 3
Agent take heat, and is heated taking the nitrogen after heat to be passed through in the nitrogen electric heater 5.
In the present invention, there is no particular limitation for temperature and flow to the gas in the endless tube 21, can be this area
Conventional selection.Under preferable case, the temperature of the gas in the endless tube 21 is 150-250 DEG C, preferably 200-230 DEG C；Stream
Measure as 1-5m3/ h, preferably 2-3m3/h。
In the present invention, there is no particular limitation for the selection to gas in the endless tube 21, if the gas not with adsorbent
React and purging effect can be played to the skew wall of extension diameter section, such as can be nitrogen.
After with regeneration air in the regenerator 2 regenerative response occurs for adsorbent to be generated, the material in the regenerator 2
Temperature raises, and in order to reduce temperature of charge, in of the invention, methods described can also include：During the regenerative response,
The material in the regenerator 2 is cooled down with condensed water, and makes the condensed water be heated at least partly vaporizing.Now,
Corresponding regenerative system also includes condensate water pot 4, and the condensate water pot 4 is by the condensation-water drain of bottom to the regenerator 2
Internal cooling-part 22 conveys condensed water, and the outlet of the cooling-part 22 connects with the condensate water pot 4 so that from described
The logistics that cooling-part 22 is discharged is back in the condensate water pot 4.
There is no particular limitation to the condensed water in the condensate water pot 4 by the present invention, and under preferable case, the condensed water is
Deaerated water.
According to a kind of preferred embodiment of the present invention, as shown in figure 1, the adsorbent to be generated in regenerator feed tank 1
It is transported to by hot nitrogen lifting in regenerator 2, the adsorbent to be generated is regenerated in the regenerator 2 with regeneration air
Reaction；Gas is ejected by the hole 211 on endless tube 21 in the regenerator 2, to the skew wall of the extension diameter section of the regenerator 2
Purged, avoid adsorbent from being deposited on skew wall；Adsorbent after regeneration arrives Regenerator receiver 3 by the lifting of cold nitrogen
In；At least part nitrogen that nitrogen feedway 6 exports is sent to taking in thermal part 31 in the Regenerator receiver 3, uses
Nitrogen carries out taking heat to the adsorbent in the Regenerator receiver 3, takes the nitrogen after heat to enter in nitrogen electric heater 5 and carries out
Heating, the nitrogen after heating are transported to each hot nitrogen exhaustion point, and the nitrogen after for example, at least partly heating is used for will be described to be generated de-
Sulfur absorbent is promoted in the regenerator 2, or the nitrogen at least partly after heating is transported in endless tube 21；Deaerated water enters cold
Condensate tank 4, stable liquid level (for example, 40-60 volume %) described condensate water pot 4 is kept to pass through bottom in the condensate water pot 4
Cooling-part 22 of the condensation-water drain in portion into the regenerator 2 conveys condensed water, the adsorbent to be generated in the regenerator 2
Condensation heat transfer water into the cooling-part 22 is cold in the cooling-part 22 to reduce the heat in the regenerator 2
Condensate heated portion vaporizes, and steam carries out gas-liquid separation by looping back to the condensate water pot 4.
In the present invention, the cold nitrogen is the nitrogen at room relative to the hot nitrogen.For example, the temperature of the hot nitrogen
It typically can be 170-250 DEG C, the temperature of the cold nitrogen typically can be 20-40 DEG C.To adsorbent take the nitrogen of heat
Temperature typically can be 0-50 DEG C, the temperature of the nitrogen ejected by endless tube 21 typically can be 150-250 DEG C.
There is no particular limitation for selection of the present invention to the adsorbent to be generated, and the adsorbent to be generated can be this area
Conventional selection, such as can be zinc sulphide or nickel sulfide.
The present invention will be described in detail by way of examples below.Following examples are implemented in the system shown in figure 1.
In following examples and comparative example, the adsorbent to be generated is zinc sulphide.
Embodiment 1
By hot nitrogen, (temperature is 200 DEG C to adsorbent to be generated in regenerator feed tank 1, flow 2.5m3/ h) lifting
Be transported in regenerator 2, the adsorbent to be generated in the regenerator 2 with regeneration air (adsorbent and regeneration air to be generated
Volume ratio be 0.2：1, regeneration temperature is 510 DEG C, regeneration pressure 0.1MPa, and the recovery time is 1 hour) regenerate instead
Should；In the regenerator 2, nitrogen is ejected by the hole 211 on endless tube 21, to the skew wall of the extension diameter section of the regenerator 2
Purged, there are 12 holes 211 on the endless tube 21, the diameter in the hole 211 is 3mm, and the material of the endless tube 21 is conjunction
Jin Gang, the internal diameter D of the outside diameter d of the endless tube 21 regenerator housing 20 corresponding with the position of endless tube 21 ratio are
0.9：1, the internal diameter d of the endless tube 211Ratio with the outside diameter d of the endless tube 21 is 0.95：1, the hole 211 on the endless tube 21
The temperature of the nitrogen ejected is 200 DEG C, flow 2m3/h；By cold nitrogen, (temperature is 20 DEG C to adsorbent after regeneration, stream
Measure as 7.5m3/ h) lifted into Regenerator receiver 3；Nitrogen feedway 6 exports nitrogen, and (temperature is 20 DEG C, flow 25m3/
H) to taking in thermal part 31 in the Regenerator receiver 3, the adsorbent in the Regenerator receiver 3 is carried out with nitrogen
Heat is taken, takes the nitrogen after heat to enter in the nitrogen electric heater 5 and is heated, the nitrogen after part is heated is used to treat described
Raw adsorbent is promoted in the regenerator 2；Deaerated water enters condensate water pot 4, and 40% liquid is kept in the condensate water pot 4
Position, the condensate water pot 4 convey condensed water, regenerator 2 by cooling-part 22 of the condensation-water drain of bottom into regenerator 2
In condensation heat transfer water of the adsorbent to be generated into the cooling-part 22 to reduce the heat in the regenerator 2, it is described cold
But the condensed water heated portion vaporization in part, steam carry out gas-liquid separation by looping back to condensate water pot 4.
After equipment is run 24 hours, do not occur adsorbent foulant on the skew wall of the extension diameter section of regenerator 2.
Embodiment 2
By hot nitrogen, (temperature is 170 DEG C to adsorbent to be generated in regenerator feed tank 1, flow 2.5m3/ h) lifting
Be transported in regenerator 2, the adsorbent to be generated in the regenerator 2 with regeneration air (adsorbent and regeneration air to be generated
Volume ratio be 0.2：1, regeneration temperature is 510 DEG C, regeneration pressure 0.1MPa, and the recovery time is 1 hour) regenerate instead
Should；In the regenerator 2, nitrogen is ejected by the hole 211 on endless tube 21, to the skew wall of the extension diameter section of the regenerator 2
Purged, there are 10 holes 211 on the endless tube 21, the diameter in the hole 211 is 5mm, and the material of the endless tube 21 is conjunction
Jin Gang, the internal diameter D of the outside diameter d of the endless tube 21 regenerator housing 20 corresponding with the position of endless tube 21 ratio are
0.8：1, the internal diameter d of the endless tube 211Ratio with the outside diameter d of the endless tube 21 is 0.96：1, the hole 211 on the endless tube 21
The temperature of the nitrogen ejected is 230 DEG C, flow 2.5m3/h；Adsorbent after regeneration by cold nitrogen (temperature is 40 DEG C,
Flow is 7.5m3/ h) lifted into Regenerator receiver 3；Nitrogen feedway 6 exports nitrogen, and (temperature is 30 DEG C, and flow is
25m3/ h) to taking in thermal part 31 in the Regenerator receiver 3, with nitrogen to the absorption in the Regenerator receiver 3
Agent carries out taking heat, takes the nitrogen after heat to enter in the nitrogen electric heater 5 and is heated, and the nitrogen after the heating of part is used for will
The adsorbent to be generated is promoted in the regenerator 2；Deaerated water enters condensate water pot 4, is kept in the condensate water pot 4
40% liquid level, the condensate water pot 4 convey condensation by cooling-part 22 of the condensation-water drain of bottom into regenerator 2
Water, condensation heat transfer water of the adsorbent to be generated into the cooling-part 22 in regenerator 2 is to reduce the heat in the regenerator 2
Measure, the condensed water heated portion vaporization in the cooling-part, steam carries out gas-liquid point by looping back to condensate water pot 4
From.
After equipment is run 24 hours, do not occur adsorbent foulant on the skew wall of the extension diameter section of regenerator 2.
Embodiment 3
By hot nitrogen, (temperature is 250 DEG C to adsorbent to be generated in regenerator feed tank 1, flow 2.5m3/ h) lifting
Be transported in regenerator 2, the adsorbent to be generated in the regenerator 2 with regeneration air (adsorbent and regeneration air to be generated
Volume ratio be 0.2：1, regeneration temperature is 510 DEG C, regeneration pressure 0.1MPa, and the recovery time is 1 hour) regenerate instead
Should；In the regenerator 2, nitrogen is ejected by the hole 211 on endless tube 21, to the skew wall of the extension diameter section of the regenerator 2
Purged, there are 15 holes 211 on the endless tube 21, the diameter in the hole 211 is 2mm, and the material of the endless tube 21 is conjunction
Jin Gang, the internal diameter D of the outside diameter d of the endless tube 21 regenerator housing 20 corresponding with the position of endless tube 21 ratio are
0.85：1, the internal diameter d of the endless tube 211Ratio with the outside diameter d of the endless tube 21 is 0.97：1, the hole on the endless tube 21
The temperature of 211 nitrogen ejected is 220 DEG C, flow 3m3/h；Adsorbent after regeneration by cold nitrogen (temperature is 30 DEG C,
Flow is 7.5m3/ h) lifted into Regenerator receiver 3；Nitrogen feedway 6 exports nitrogen, and (temperature is 50 DEG C, and flow is
25m3/ h) to taking in thermal part 31 in the Regenerator receiver 3, with nitrogen to the absorption in the Regenerator receiver 3
Agent carries out taking heat, takes the nitrogen after heat to enter in the nitrogen electric heater 5 and is heated, and the nitrogen after the heating of part is used for will
The adsorbent to be generated is promoted in the regenerator 2；Deaerated water enters condensate water pot 4, is kept in the condensate water pot 4
40% liquid level, the condensate water pot 4 convey condensation by cooling-part 22 of the condensation-water drain of bottom into regenerator 2
Water, condensation heat transfer water of the adsorbent to be generated into the cooling-part 22 in regenerator 2 is to reduce the heat in the regenerator 2
Measure, the condensed water heated portion vaporization in the cooling-part, steam carries out gas-liquid point by looping back to condensate water pot 4
From.
After equipment is run 24 hours, do not occur adsorbent foulant on the skew wall of the extension diameter section of regenerator 2.
Comparative example 1
By hot nitrogen, (temperature is 200 DEG C to adsorbent to be generated in regenerator feed tank 1, flow 2.5m3/ h) lifting
It is transported in regenerator 2, the adsorbent to be generated carries out regenerative response (absorption to be generated in the regenerator 2 with regeneration air
The volume ratio of agent and regeneration air is 0.2：1, regeneration temperature is 510 DEG C, regeneration pressure 0.1MPa, and the recovery time is 1 small
When), the adsorbent after regeneration is lifted into Regenerator receiver 3 by cold nitrogen；Deaerated water enters condensate water pot 4, described
40% liquid level, cooling of the condensate water pot 4 by the condensation-water drain of bottom into regenerator 2 are kept in condensate water pot 4
Part 22 conveys condensed water, and condensation heat transfer water of the adsorbent to be generated in regenerator 2 into the cooling-part 22 is to reduce
State the heat in regenerator 2, the condensed water heated portion vaporization in the cooling-part 22, steam is by looping back to condensation
Water pot 4 carries out gas-liquid separation, and a part of steam for isolating enters Regenerator receiver 3 and taken in thermal part 31, to it is described again
Adsorbent in raw device receiver 3 carries out taking heat.
After equipment is run 24 hours, occurs adsorbent foulant on the skew wall of the extension diameter section of regenerator 2.
Result by comparing above example and comparative example can be seen that including regenerator of the present invention again
Adsorbent reactivation is carried out in raw system, can effectively prevent occurring adsorbent accumulation caking at the skew wall of regenerator top extension diameter section
Phenomenon, be also beneficial to reduce water vapor partial pressure, chemically the upper generation for further suppressing foulant of reaction, so as to effectively avoid by
The adsorbent block accumulated at the regenerator extension diameter section skew wall comes off, and causes not smooth abnormal existing of regenerator lower stockline
As so that the cycle of operation of sorbent regeneration system is longer more steady.
A preferred embodiment of the invention, adsorbent is carried out in sorbent regeneration system provided by the invention
Regeneration, thermal medium is taken for Regenerator receiver, and substituting traditional steam using nitrogen takes heat, and will take the nitrogen after heat again
Enter each hot nitrogen exhaustion point after heating, not only reduce and take hot cost and nitrogen electric heater load, also eliminate due to taking heat
Part leakage causes adsorbent to lump, the hidden danger stopped work so as to cause regenerative system to be forced.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (11)
1. a kind of adsorbent regenerator, it is characterised in that the regenerator (2) includes regenerator housing (20) and is arranged on described
Regenerator housing (20) internal endless tube (21) and cooling-part (22), it is provided with for gas injection on the endless tube (21)
Hole (211), wherein, the regenerator housing (20) includes enlarged diameter section, extension diameter section and small straight successively from top to bottom in the axial direction
Footpath section, the cooling-part (22) are located at the reduced diameter section, and the endless tube (21) is located at the top or described of the extension diameter section
The bottom of enlarged diameter section.
2. regenerator according to claim 1, wherein, the endless tube (21) is located at the enlarged diameter section and the extension diameter section
Intersection；
Preferably, the center line of the endless tube (21) is overlapping with the central axis of the regenerator housing (20).
3. regenerator according to claim 1 or 2, wherein, Open Side Down or obliquely for the hole (211)；
Preferably, the opening direction of the hole (211) make it that the gas that is ejected from the hole (211) is not oblique with extension diameter section
Wall collides；
It is further preferred that the opening direction of the hole (211) is parallel with the skew wall of extension diameter section.
4. regenerator according to claim 1 or 2, wherein, the number in the hole (211) on the endless tube (21) is 8-20
It is individual, preferably 10-15；
Preferably, a diameter of 1-8mm, preferably 2-5mm of the hole (211)；
Preferably, multiple holes (211) are equidistantly arranged on the endless tube (21).
5. regenerator according to claim 1 or 2, wherein, it is described in the diametric(al) of the regenerator housing (20)
The outside diameter d of endless tube (21) is less than the internal diameter D of regenerator housing (20) corresponding to the endless tube (21) position；
Preferably, d and D ratio is 0.6-0.95：1, preferably 0.8-0.9：1.
6. regenerator according to claim 1 or 2, wherein, the material of the endless tube (21) is alloy steel or stainless steel.
7. a kind of sorbent regeneration system, it is characterised in that the regenerative system is included in claim 1-6 described in any one
Regenerator (2), regenerator recipient (3) and nitrogen electric heater (5), the adsorbent outlet of the regenerator (2) with it is described
Regenerator receiver (3) connects, and is provided with the Regenerator receiver (3) and takes thermal part (31), described to take thermal part (31)
For transmitting nitrogen and the adsorbent after regeneration being carried out to take heat, and the nitrogen outlet for taking thermal part (31) and the nitrogen
Pneumoelectric heater (5) connects.
8. regenerative system according to claim 7, wherein, the regenerative system also includes condensate water pot (4), the condensation
Water pot (4) conveys condensed water by the condensation-water drain of bottom to the internal cooling-part (22) of the regenerator (2), described cold
But the outlet of part (22) connects with the condensate water pot (4) so that is back to from the logistics of the cooling-part (22) discharge
In the condensate water pot (4).
9. a kind of adsorbent regeneration method, this method includes adsorbent to be generated being introduced into the regenerator with regeneration air carrying out
Regenerative response, it is characterised in that the regenerator is the regenerator (2) described in any one in claim 1-6, and in institute
During stating regenerative response, gas is passed through in the endless tube (21) internal to the regenerator (2), with by the endless tube (21)
The hole (211) of setting purges to the deposit on the skew wall of the extension diameter section of the regenerator (2).
10. the method according to claim 11, wherein, regeneration method any one in including claim 1-6
Implement in the system of described regenerator (2), Regenerator receiver (3) and nitrogen electric heater (5), this method includes：It is to be generated
After adsorbent carries out regenerative response in regenerator (2), the adsorbent after regeneration is set to enter the Regenerator receiver (3),
The adsorbent in the Regenerator receiver (3) is carried out with nitrogen to take heat, and the nitrogen after heat will be taken to be passed through the nitrogen electricity
Heater is heated in (5).
11. the method according to claim 9 or 10, wherein, the temperature of the gas in the endless tube (21) is 150-250
DEG C, preferably 200-230 DEG C；Flow is 1-5m3/ h, preferably 2-3m3/h；
Preferably, the gas is nitrogen；
Preferably, methods described can also include：During the regenerative response, with condensed water to the regenerator (2)
Interior material is cooled down, and makes the condensed water be heated at least partly vaporizing.
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