CN205925720U - Absorbent regeneration ware and absorbent regeneration system - Google Patents
Absorbent regeneration ware and absorbent regeneration system Download PDFInfo
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- CN205925720U CN205925720U CN201620783518.1U CN201620783518U CN205925720U CN 205925720 U CN205925720 U CN 205925720U CN 201620783518 U CN201620783518 U CN 201620783518U CN 205925720 U CN205925720 U CN 205925720U
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Abstract
The utility model relates to an of the smelting field discloses an absorbent regeneration ware and absorbent regeneration system, and this regenerator (2) are in including regenerator casing (20) and setting regenerator casing (20) inside ring canal (21) and cooling part (22), be provided with hole (211) that are used for jet gas on ring canal (21), wherein, regenerator casing (20) from the top down in the axial includes big diameter section, hole enlargement section and little diameter section in proper order, cooling part (22) are located little diameter section, ring canal (21) are located the upper portion of hole enlargement section or big diameter section's bottom. Including carry out absorbent regeneration among the regeneration system of regenerator, can prevent effectively that the phenomenon that the caking is piled up to the adsorbent from appearing in the skew wall department of regenerator upper portion hole enlargement section.
Description
Technical field
This utility model is related to refinery field, in particular it relates to a kind of adsorbent regenerator, and include this adsorbent again
The sorbent regeneration system of raw device.
Background technology
S Zorb patented technology comes from Phillips company (present COP), and this technique can utilize adsorbent selectivity
Sulfur in ground removing FCC gasoline and gasoline blend.The commerical test of S Zorb desulfurization technology (STR) of COP is installed on 2001
April in year is used for the Borger oil plant of COP.Sinopec joint-stock company in 2007 overall acquisition S Zorb Technology is right
This patented technology has complete ownership, and from the beginning of 2007, Sinopec is responsible for the follow-up research and development to this technology and work comprehensively
Journey designs and all works to global technology transfer, technical service etc..Domestic now built 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 technology has become as
The technical way of domestic quality of gasoline upgrading.
S Zorb technique carries out desulfurization based on adsorption principle 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 enters in regenerated flue gas so as to be changed into sulfur dioxide, and flue gas goes sulfur or alkali cleaning again.S Zorb technical process mainly includes
Six step chemical reactions：(1) absorption of sulfur；(2) hydrogenation of olefins；(3) olefin hydroisomerization；(4) adsorbent oxidation；(5) adsorb
Agent reduces；And the neutralization of (6) tail gas.Wherein step (4) and (5) belong to adsorbent reactivation part.
In existing S Zorb catalytic gasoline adsorpting desulfurization device, regenerator is mainly setting of adsorbent reactivation part
Standby, regenerator internal adsorption agent caking is the by-product in regenerative process, and in regenerator, gas passes through from bottom to top, top extension diameter section
Linear speed decline, there is the step of linear speed, cause the domatic sorbent deposition in expanding place in particularly expanding place.Adsorbent caking exists
" gathering " effect, that is, once expanding interval formation is lumpd, and fluid effect will deteriorate further, and adsorbent caking is more long bigger.
With the prolongation in plant running cycle, when the fluctuation of regenerator occurrence temperature or pressure, the suction of accumulation on skew wall
Attached dose of block can come off and fall to regenerator tapering, lead to regenerator internal adsorption agent lower stockline to block, and then affect absorption
The normal circulation of agent.If the blocking of regenerator blanking pipeline is serious, needs stoppage in transit regenerative system, regenerator is cleared up, thus
Impact is normal to be produced, and causes certain economic loss.
Utility model content
The purpose of this utility model overcomes adsorbent in prior art easily to deposit in adsorbent regenerator extension diameter section
Problem, and a kind of adsorbent regenerator and sorbent regeneration system are provided.
To achieve these goals, this utility model provides a kind of adsorbent regenerator, and wherein, this regenerator is included again
Raw device housing and the endless tube and the cooling-part that are arranged on described regenerator enclosure interior, described endless tube is provided with for spraying
The hole of gas, wherein, described regenerator housing includes enlarged diameter section, extension diameter section and minor diameter in the axial direction from top to bottom successively
Section, described cooling-part is located at described reduced diameter section, and described endless tube is located at the top of described extension diameter section or described enlarged diameter section
Bottom.
Preferably, described endless tube is located at the intersection of described enlarged diameter section and described extension diameter section.
Preferably, the centrage of described endless tube is overlapping with the central axis of described regenerator housing.
Preferably, Open Side Down in described hole or obliquely.
Preferably, the opening direction in described hole makes the gas ejecting from described hole not touch with the skew wall of extension diameter section
Hit.
Preferably, the opening direction in described hole and the skew wall of extension diameter section are parallel.
Preferably, the number in the hole on described endless tube is 8-20；A diameter of 1-8mm in described hole.
Preferably, equidistantly arrange on described endless tube in multiple holes.
Preferably, in the diametric(al) of described regenerator housing, the outside diameter d of described endless tube is less than described endless tube institute in place
Put the internal diameter D of corresponding regenerator housing.
Preferably, the ratio of d and D is 0.6-0.95：1, preferably 0.8-0.9：1.
This utility model additionally provides a kind of sorbent regeneration system, wherein, described regenerative system include above-mentioned regenerator,
Regenerator accepter and nitrogen electric heater, the adsorbent outlet of described regenerator is connected with described Regenerator receiver, described
It is provided with Regenerator receiver and takes thermal part, described take thermal part to be used for transmitting nitrogen and the adsorbent after regeneration is taken
Heat, and the described nitrogen outlet taking thermal part connected with described nitrogen electric heater.
Preferably, described regenerative system also includes condensate water pot, described condensate water pot by the condensation-water drain of bottom to
Described internal regenerator cooling-part conveying condensed water, the outlet of described cooling-part connect with described condensate water pot so that
The logistics discharged from described cooling-part is back to described condensate water pot.
The inside of existing adsorbent regenerator generally include successively from top to bottom in the axial direction enlarged diameter section, extension diameter section and
Reduced diameter section, wherein, the material in regenerator passes through from bottom to top, with the prolongation of cycle of operation, when regenerator occurrence temperature
Or pressure fluctuation when, on extension diameter section skew wall pile up adsorbent block can come off and fall to regenerator bottoms (cone
Portion), lead to regenerator internal adsorption agent lower stockline to block, and then affect the normal circulation of adsorbent.And this utility model passes through
Internal regenerator increases bustle pipe arrangement, the skew wall making regenerator top extension diameter section has a certain amount of nitrogen purging, is formed and loosen
, the phenomenon that adsorbent piles up caking in point at the skew wall effectively preventing regenerator top extension diameter section, be also beneficial to reduce steam
Partial pressure, chemically suppresses the generation of foulant, further thus being prevented effectively from due to heap at regenerator extension diameter section skew wall in reaction
The coming off of long-pending adsorbent block, and lead to the not smooth abnormal phenomena of regenerator lower stockline so that sorbent regeneration system
Cycle of operation is longer more steady.
According to a kind of preferred implementation of utility model, carry out in the sorbent regeneration system that this utility model provides
Adsorbent reactivation, takes thermal medium for Regenerator receiver, substitutes traditional steam using nitrogen and takes heat, and will take after heat
Nitrogen enters each hot nitrogen exhaustion point after heating, not only reduce and take hot cost and nitrogen electric heater load again, also eliminate by
Adsorbent is led to lump in taking thermal part to reveal, thus leading to regenerative system to be forced the hidden danger stopped work.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Brief description
Accompanying drawing is used to provide and further understands to of the present utility model, and constitutes a part for description, and following
Specific embodiment be used for together explaining this utility model, but do not constitute to restriction of the present utility model.In the accompanying drawings：
Fig. 1 is a kind of schematic diagram of the sorbent regeneration system of preferred implementation of the present utility model；
Fig. 2 is a kind of schematic diagram of the endless tube of preferred implementation of the present utility model.
Description of reference numerals
1 regenerator feed tank；2 regeneratoies；
20 regenerator housings；21 endless tubes；
211 holes；22 cooling-parts；
3 Regenerator receiver；31 take thermal part；
4 condensate water pots；5 nitrogen electric heaters；
6 nitrogen feedways.
Specific embodiment
Hereinafter specific embodiment of the present utility model is described in detail.It should be appreciated that it is described herein
Specific embodiment is merely to illustrate and explains this utility model, is not limited to this utility model.
Herein the end points of disclosed scope and any value are not limited to this accurate scope or value, these scopes or
Value should be understood to comprise the value close to these scopes or value.For numerical range, between the endpoint value of each scope, respectively
Between the endpoint value of individual scope and single point value, and can be obtained one or more between single point value with combination with one another
New numerical range, these numerical rangies should be considered herein specifically to disclose.
This utility model provides a kind of adsorbent regenerator, and wherein, as depicted in figs. 1 and 2, this regenerator 2 is included again
Give birth to device housing 20 and be arranged on the endless tube 21 within described regenerator housing 20 and cooling-part 22, described endless tube 21 is arranged
Have the hole 211 for gas injection, wherein, described regenerator housing 20 include successively from top to bottom in the axial direction enlarged diameter section,
Extension diameter section and reduced diameter section, described cooling-part 22 is located at described reduced diameter section, and described endless tube 21 is located at the upper of described extension diameter section
Portion or the bottom of described enlarged diameter section.In this utility model, " enlarged diameter section " and " reduced diameter section " be with respect to concept, main
Will be in order to the different structure of diameter of the different parts of described regenerator housing 20 be described；" top " refers to described expansion
Top position of footpath section itself；" bottom " refers to position on the lower of described enlarged diameter section itself." described extension diameter section upper
Portion or the bottom of described enlarged diameter section " includes the boundary position of described enlarged diameter section and described extension diameter section.
In this utility model, to the particular location of described endless tube 21, there is no particular limitation, as long as by endless tube 21
The gas that hole 211 is ejected can effectively prevent adsorbent from piling up on the skew wall of extension diameter section.Under preferable case, described endless tube
21 intersections being located at described enlarged diameter section and described extension diameter section；And, in order that the gas ejecting from described hole 211 is to expansion
The skew wall of footpath section uniformly purges, under preferable case, the central axis of the centrage of described endless tube 21 and described regenerator housing 20
Overlapping.
In this utility model, the setting of the opening direction in described hole 211 directly affects the purging effect to skew wall for the gas.Excellent
In the case of choosing, Open Side Down in described hole 211 or obliquely.
Gas due to ejecting from hole 211 has certain impact power, if gas blows on regenerator housing 20, institute
State regenerator housing 20 can because impacted and formed perforation for a long time, thus damaging described regenerator, therefore, in order to avoid by
In the gas ejecting from hole 211, shortened equipment life is led to regenerator housing 20 build-up of pressure, under preferable case, described
The opening direction in hole 211 makes the gas ejecting from described hole 211 not collide with the skew wall of extension diameter section.
Mode, the opening direction in described hole 211 and the skew wall of extension diameter section are preferably carried out according to one kind of the present utility model
Parallel.So both can guarantee that the gas ejecting from hole 211 effectively purged the skew wall of extension diameter section, it is to avoid adsorbent heap on skew wall
Long-pending, it is avoided that gas shortens equipment life to regenerator housing 20 build-up of pressure again.
In this utility model, to the number in the hole 211 on described endless tube 21, there is no particular limitation, as long as can be effectively anti-
Only adsorbent is piled up on the skew wall of extension diameter section.Under preferable case, the number in the hole (211) on described endless tube (21) is 8-
20, preferably 10-15.
In this utility model, to the selection of the diameter in described hole 211, there is no particular limitation, as long as can effectively prevent from inhaling
Pile up on the skew wall of extension diameter section for attached dose.Under preferable case, a diameter of 1-8mm in described hole 211, preferably 2-5mm.
In this utility model, in the case that endless tube 21 is provided with multiple holes 211, to multiple described holes 211 in endless tube 21
On arrangement mode particularly do not select, as long as can make from described hole 211 spray gas effectively purge the oblique of extension diameter section
Wall.But, in order that described gas uniformly can be purged to the skew wall of described extension diameter section, under preferable case, multiple
Hole 211 is in the upper equidistantly arrangement of described endless tube (21).
In this utility model, to the selection of the external diameter of described endless tube 21, there is no particular limitation, can be according to practical application
Situation selects.Under preferable case, in the diametric(al) of described regenerator housing 20, the outside diameter d of described endless tube 21 is less than described
The internal diameter D of endless tube 21 position corresponding regenerator housing 20；It is further preferred that the ratio of d and D is 0.6-0.95：1,
It is preferably 0.8-0.9：1.
In this utility model, to the selection of the internal diameter of described endless tube 21, there is no particular limitation, can be according to practical application
Situation selects.Under preferable case, the internal diameter d of described endless tube 211Ratio with the outside diameter d of described endless tube 21 is 0.92-0.97, excellent
Elect 0.95-0.97 as.
In this utility model, up to more than 300 DEG C, pressure can reach the operating temperature of described internal regenerator
0.6MPa, therefore, the described endless tube 21 positioned at described internal regenerator should be heat resisting and pressure resisting material, for example can for steel alloy or
Rustless steel.
Mainly the theing improvement is that of regenerator that this utility model provides sets up endless tube 21 in described regenerator, and institute
The miscellaneous part stating regenerator all can be same as the prior art, all can know, here is not gone to live in the household of one's in-laws on getting married to this those skilled in the art
State.
This utility model additionally provides a kind of sorbent regeneration system, wherein, as shown in figure 1, described regenerative system includes
Above-mentioned regenerator 2, Regenerator receiver 3 and nitrogen electric heater 5, the adsorbent outlet of described regenerator 2 and described regenerator
Receptor 3 connects, and is provided with and takes thermal part 31 in described Regenerator receiver 3, described takes thermal part 31 to be used for transmitting nitrogen simultaneously
Carry out taking heat to the adsorbent after regeneration, and the described nitrogen outlet taking thermal part 31 is connected with described nitrogen electric heater 5.
Gas is ejected in the hole 211 that described regenerator 2 passes through on endless tube 21, remains gas to described regenerator 2
The skew wall of extension diameter section is purged, and prevents adsorbent in this formation of deposits foulant.This utility model does not have spy to described gas
Other restriction, for example, can be nitrogen.
Cyclone separator (not shown) can be provided with, the material after regenerative response is through whirlwind in described regenerator 2
Regenerated flue gas are separated by separator with adsorbent, and described regenerated flue gas are discharged from the top exit of described regenerator 2, described absorption
Agent is risen in described Regenerator receiver 3 by cold nitrogen, and the described nitrogen taking in thermal part takes the heat of described adsorbent away
Amount.The described nitrogen taking in thermal part is derived from system nitrogen source, for example, can come from nitrogen feedway 6, described nitrogen supply dress
Thermal part 31 is taken described at least part of nitrogen entrance putting 6 outputs.
There is no particular limitation to the selection of thermal part 31 of taking in Regenerator receiver 3 for this utility model, can be this
The conventional selection in field, for example, can be heat production coil pipe.
After material in described regenerator 2 occurs regenerative response, described temperature of charge raises, in order to reduce described material temperature
Degree, in this utility model, described regenerative system can also include condensate water pot 4, the condensed water by bottom for the described condensate water pot 4
Export cooling-part 22 conveying condensed water, the outlet of described cooling-part 22 and the described condensed water within to described regenerator 2
Tank 4 connects so that the logistics discharged from described cooling-part 22 is back to described condensate water pot 4.
There is no particular limitation for the selection to described cooling-part 22 for this utility model, can be the conventional choosing in this area
Select, for example, can be cooling coil.
There is no particular limitation to the condensed water in described condensate water pot 4 for this utility model, but in order to described in preventing again
Cooling-part 22 in raw device 2 aoxidizes fouling due to life-time service, and under preferable case, described condensed water is deaerated water.
Gas-liquid separator (not shown) can be provided with, condensed water is in described regenerator 2 in described condensate water pot 4
Cooling-part 22 take heat after partly vaporize, part vaporize after logistics enter described condensate water pot 4 in gas-liquid separator in
Carry out gas-liquid separation, the steam isolated is discharged from described condensate water pot 4 top.
According to one kind of the present utility model preferred embodiment, as shown in figure 1, described regenerative system includes：Regenerator
Head tank 1, regenerator 2, Regenerator receiver 3, condensate water pot 4, nitrogen electric heater 5, nitrogen feedway 6；Wherein, described
Regenerator 2 includes regenerator housing 20, endless tube 21 and cooling-part 22, and described endless tube 21 has hole 211.Described regenerator feed
Tank 1 is connected with described regenerator 2, and the adsorbent to be generated in described regenerator feed tank 1 is risen to described regenerator 2 by hot nitrogen
In, carry out regenerative response with regeneration air, during regenerative response, the hole 211 that described regenerator 2 passes through on endless tube 21 is sprayed
Go out gas the skew wall of extension diameter section is purged, the adsorbent outlet of described regenerator 2 is connected with described Regenerator receiver 3,
Cold nitrogen rises to the adsorbent after regenerating in described regenerator 2 in described Regenerator receiver 3；Described nitrogen feedway
6 are connected with the thermal part 31 that takes in described Regenerator receiver 3, and at least part of nitrogen of described nitrogen feedway 6 output arrives
In described Regenerator receiver 3 take in thermal part 31 with to regeneration after adsorbent carry out taking heat, described Regenerator receiver 3
In the thermal part 31 that takes connect with nitrogen electric heater 5, taking in thermal part 31 in described Regenerator receiver 3 is taken heat
Nitrogen afterwards enters in described nitrogen electric heater 5 and is heated, and the nitrogen after heating is transported to each hot nitrogen exhaustion point, for example extremely
Nitrogen after small part heating is used for described adsorbent to be generated is promoted in described regenerator 2, or after at least part of heating
Nitrogen is transported in endless tube 21；Deaerated water enters described condensate water pot 4, keeps stable liquid level (example in described condensate water pot 4
As 40-60 volume %), described condensate water pot 4 is connected with the cooling-part 22 in described regenerator 2, and described condensate water pot 4 leads to
The condensation-water drain crossing bottom is to the cooling-part 22 conveying condensed water in described regenerator 2, the condensation in described cooling-part
Water heated portion vaporizes, and steam is carried out to steam by looping back to condensate water pot 4, the gas-liquid separator in condensate water pot 4
Gas-liquid separation.
A kind of adsorbent regeneration method, the method includes being introduced in described regenerator by adsorbent to be generated and regeneration air
Row regenerative response, wherein, described regenerator is above-mentioned regenerator 2, and during described regenerative response, to described regenerator
Be passed through gas in endless tube 21 within 2, with by the hole 211 of setting on described endless tube 21 to the extension diameter section of described regenerator 2
Deposit on skew wall is purged.
According to a kind of preferred implementation of the present utility model, described regeneration method is including above-mentioned regenerator 2, regeneration
Implement in the system of device accepter 3 and nitrogen electric heater 5, the method includes：Adsorbent to be generated is regenerated in regenerator 2
After reaction, the adsorbent after regeneration is made to enter described Regenerator receiver 3, with nitrogen in described Regenerator receiver 3
Adsorbent carries out taking heat, and is heated taking the nitrogen after heat to be passed through in described nitrogen electric heater 5.
In this utility model, there is no particular limitation for temperature to the gas in described endless tube 21 and flow, can be this
The conventional selection in field.Under preferable case, the temperature of the gas in described endless tube 21 is 150-250 DEG C, preferably 200-230
℃；Flow is 1-5m3/ h, preferably 2-3m3/h.
In this utility model, to the selection of gas in described endless tube 21, there is no particular limitation, if this gas not with suction
Attached dose of reaction and can play purging to the skew wall of extension diameter section and act on, for example, can be nitrogen.
Material after adsorbent to be generated and regeneration air occur regenerative response in described regenerator 2, in described regenerator 2
Temperature raises, and in order to reduce temperature of charge, in this utility model, methods described can also include：Mistake in described regenerative response
Cheng Zhong, is cooled down to the material in described regenerator 2 with condensed water, and makes described condensed water be heated at least partly vaporizing.
Now, corresponding regenerative system also includes condensate water pot 4, described condensate water pot 4 by the condensation-water drain of bottom to described again
The internal cooling-part 22 of raw device 2 conveys condensed water, the outlet of described cooling-part 22 connect with described condensate water pot 4 so that
The logistics discharged from described cooling-part 22 is back to described condensate water pot 4.
There is no particular limitation to the condensed water in described condensate water pot 4 for this utility model, under preferable case, described condensation
Water is deaerated water.
According to one kind of the present utility model preferred embodiment, as shown in figure 1, suction to be generated in regenerator feed tank 1
Attached dose is transported in regenerator 2 by hot nitrogen lifting, and described adsorbent to be generated is carried out with regeneration air in described regenerator 2
Regenerative response；Gas is ejected in the hole 211 passed through in described regenerator 2 on endless tube 21, to the extension diameter section of described regenerator 2
Skew wall is purged, it is to avoid adsorbent deposits on skew wall；Adsorbent after regeneration rises to regenerator receiver by cold nitrogen
In device 3；At least part of nitrogen of nitrogen feedway 6 output is sent to and takes in thermal part 31 in described Regenerator receiver 3,
With nitrogen, the adsorbent in described Regenerator receiver 3 is carried out taking heat, take the nitrogen after heat to enter in nitrogen electric heater 5
Row heating, the nitrogen after heating is transported to each hot nitrogen exhaustion point, and the nitrogen after for example, at least part heats is used for will be described to be generated
Desulfuration adsorbent is promoted in described regenerator 2, or the nitrogen after at least part of heating is transported in endless tube 21；Deaerated water enters
Condensate water pot 4, keeps the stable described condensate water pot 4 of liquid level (for example, 40-60 volume %) to pass through in described condensate water pot 4
The condensation-water drain of bottom is to the cooling-part 22 conveying condensed water in described regenerator 2, the absorption to be generated in described regenerator 2
Agent in described cooling-part 22 condensation heat transfer water to reduce the heat in described regenerator 2, in described cooling-part 22
Condensed water heated portion vaporizes, and steam carries out gas-liquid separation by looping back to described condensate water pot 4.
In this utility model, described cold nitrogen is with respect to the nitrogen at room of described hot nitrogen.For example, described hot nitrogen
Temperature typically can be 170-250 DEG C, and the temperature of described cold nitrogen typically can be 20-40 DEG C.Adsorbent is carried out take heat
The temperature of nitrogen typically can be 0-50 DEG C, and the temperature of the nitrogen being ejected by endless tube 21 typically can be 150-250 DEG C.
There is no particular limitation for the selection to described adsorbent to be generated for this utility model, and described adsorbent to be generated can be this
The conventional selection in field, for example, can be zinc sulfide or nickel sulfide.
Hereinafter by embodiment, this utility model will be described in detail.Following examples are in the system shown in figure 1
Implement.
In following examples and comparative example, described adsorbent to be generated is zinc sulfide.
Embodiment 1
Adsorbent to be generated in regenerator feed tank 1 passes through hot nitrogen, and (temperature is 200 DEG C, and flow is 2.5m3/ h) lifting
Be transported in regenerator 2, described adsorbent to be generated in described regenerator 2 with regeneration air (adsorbent to be generated and regeneration air
Volume ratio be 0.2：1, regeneration temperature is 510 DEG C, and regeneration pressure is 0.1MPa, and the recovery time is 1 hour) carry out regeneration instead
Should；In described regenerator 2, nitrogen is ejected by the hole 211 on endless tube 21, the skew wall to the extension diameter section of described regenerator 2
Purged, described endless tube 21 is had 12 holes 211, the diameter in described hole 211 is 3mm, and the material of described endless tube 21 is low
Alloy heat resisting steel, the ratio of the internal diameter D of the outside diameter d of described endless tube 21 regenerator housing 20 corresponding with described endless tube 21 position
It is worth for 0.9：1, the internal diameter d of described endless tube 211Ratio with the outside diameter d of described endless tube 21 is 0.95：1, on described endless tube 21
The temperature of the nitrogen that hole 211 is ejected is 200 DEG C, and flow is 2m3/h；By cold nitrogen, (temperature is 20 to adsorbent after regeneration
DEG C, flow is 7.5m3/ h) rise in Regenerator receiver 3；(temperature is 20 DEG C to nitrogen feedway 6 output nitrogen, flow
For 25m3/ h) taking in thermal part 31 in described Regenerator receiver 3, with nitrogen to the suction in described Regenerator receiver 3
Attached dose carries out taking heat, takes the nitrogen after heat to enter in described nitrogen electric heater 5 and is heated, the nitrogen after part heats is used for
Described adsorbent to be generated is promoted in described regenerator 2；Deaerated water enters condensate water pot 4, keeps in described condensate water pot 4
40% liquid level, described condensate water pot 4 passes through the condensation-water drain of bottom to the cooling-part 22 conveying condensation in regenerator 2
Water, the adsorbent to be generated in regenerator 2 is to the condensation heat transfer water in described cooling-part 22 to reduce the heat in described regenerator 2
Amount, the condensed water heated portion vaporization in described cooling-part, steam is divided by looping back to condensate water pot 4 and carrying out gas-liquid
From.
After equipment runs 24 hours, the skew wall of the extension diameter section of regenerator 2 adsorbent foulant does not occur.
Embodiment 2
Adsorbent to be generated in regenerator feed tank 1 passes through hot nitrogen, and (temperature is 170 DEG C, and flow is 2.5m3/ h) lifting
Be transported in regenerator 2, described adsorbent to be generated in described regenerator 2 with regeneration air (adsorbent to be generated and regeneration air
Volume ratio be 0.2：1, regeneration temperature is 510 DEG C, and regeneration pressure is 0.1MPa, and the recovery time is 1 hour) carry out regeneration instead
Should；In described regenerator 2, nitrogen is ejected by the hole 211 on endless tube 21, the skew wall to the extension diameter section of described regenerator 2
Purged, described endless tube 21 is had 10 holes 211, the diameter in described hole 211 is 5mm, and the material of described endless tube 21 is to close
Jin Gang, the ratio of the internal diameter D of the outside diameter d of described endless tube 21 regenerator housing 20 corresponding with described endless tube 21 position is
0.8：1, the internal diameter d of described endless tube 211Ratio with the outside diameter d of described endless tube 21 is 0.96：1, the hole 211 on described endless tube 21
The temperature of the nitrogen ejecting is 230 DEG C, and flow is 2.5m3/h；Adsorbent after regeneration by cold nitrogen (temperature be 40 DEG C,
Flow is 7.5m3/ h) rise in Regenerator receiver 3；(temperature is 30 DEG C to nitrogen feedway 6 output nitrogen, and flow is
25m3/ h) taking in thermal part 31 in described Regenerator receiver 3, with nitrogen to the absorption in described Regenerator receiver 3
Agent carries out taking heat, takes the nitrogen after heat to enter in described nitrogen electric heater 5 and is heated, and the nitrogen after part heating is used for will
Described adsorbent to be generated is promoted in described regenerator 2；Deaerated water enters condensate water pot 4, keeps in described condensate water pot 4
40% liquid level, described condensate water pot 4 passes through the condensation-water drain of bottom to the cooling-part 22 conveying condensation in regenerator 2
Water, the adsorbent to be generated in regenerator 2 is to the condensation heat transfer water in described cooling-part 22 to reduce the heat in described regenerator 2
Amount, the condensed water heated portion vaporization in described cooling-part, steam is divided by looping back to condensate water pot 4 and carrying out gas-liquid
From.
After equipment runs 24 hours, the skew wall of the extension diameter section of regenerator 2 adsorbent foulant does not occur.
Embodiment 3
Adsorbent to be generated in regenerator feed tank 1 passes through hot nitrogen, and (temperature is 250 DEG C, and flow is 2.5m3/ h) lifting
Be transported in regenerator 2, described adsorbent to be generated in described regenerator 2 with regeneration air (adsorbent to be generated and regeneration air
Volume ratio be 0.2：1, regeneration temperature is 510 DEG C, and regeneration pressure is 0.1MPa, and the recovery time is 1 hour) carry out regeneration instead
Should；In described regenerator 2, nitrogen is ejected by the hole 211 on endless tube 21, the skew wall to the extension diameter section of described regenerator 2
Purged, described endless tube 21 is had 15 holes 211, the diameter in described hole 211 is 2mm, and the material of described endless tube 21 is to close
Jin Gang, the ratio of the internal diameter D of the outside diameter d of described endless tube 21 regenerator housing 20 corresponding with described endless tube 21 position is
0.85：1, the internal diameter d of described endless tube 211Ratio with the outside diameter d of described endless tube 21 is 0.97：1, the hole on described endless tube 21
The temperature of 211 nitrogen ejecting is 220 DEG C, and flow is 3m3/h；Adsorbent after regeneration by cold nitrogen (temperature be 30 DEG C,
Flow is 7.5m3/ h) rise in Regenerator receiver 3；(temperature is 50 DEG C to nitrogen feedway 6 output nitrogen, and flow is
25m3/ h) taking in thermal part 31 in described Regenerator receiver 3, with nitrogen to the absorption in described Regenerator receiver 3
Agent carries out taking heat, takes the nitrogen after heat to enter in described nitrogen electric heater 5 and is heated, and the nitrogen after part heating is used for will
Described adsorbent to be generated is promoted in described regenerator 2；Deaerated water enters condensate water pot 4, keeps in described condensate water pot 4
40% liquid level, described condensate water pot 4 passes through the condensation-water drain of bottom to the cooling-part 22 conveying condensation in regenerator 2
Water, the adsorbent to be generated in regenerator 2 is to the condensation heat transfer water in described cooling-part 22 to reduce the heat in described regenerator 2
Amount, the condensed water heated portion vaporization in described cooling-part, steam is divided by looping back to condensate water pot 4 and carrying out gas-liquid
From.
After equipment runs 24 hours, the skew wall of the extension diameter section of regenerator 2 adsorbent foulant does not occur.
Comparative example 1
Adsorbent to be generated in regenerator feed tank 1 passes through hot nitrogen, and (temperature is 200 DEG C, and flow is 2.5m3/ h) lifting
It is transported in regenerator 2, described adsorbent to be generated carries out regenerative response (absorption to be generated in described regenerator 2 with regeneration air
Agent is 0.2 with the volume ratio of regeneration air：1, regeneration temperature is 510 DEG C, and regeneration pressure is 0.1MPa, and the recovery time is little for 1
When), the adsorbent after regeneration is risen in Regenerator receiver 3 by cold nitrogen；Deaerated water enters condensate water pot 4, described
40% liquid level is kept, described condensate water pot 4 passes through the condensation-water drain of bottom to the cooling in regenerator 2 in condensate water pot 4
Part 22 conveys condensed water, and the adsorbent to be generated in regenerator 2 is to the condensation heat transfer water in described cooling-part 22 to reduce
State the heat in regenerator 2, the condensed water heated portion vaporization in described cooling-part 22, steam passes through to loop back to condense
Water pot 4 carries out gas-liquid separation, and a part of steam isolated enters the taking in thermal part 31 of Regenerator receiver 3, to described again
Adsorbent in raw device receptor 3 carries out taking heat.
After equipment runs 24 hours, the skew wall of the extension diameter section of regenerator 2 occurs in that adsorbent foulant.
Be can be seen that by the result comparing above example and comparative example and including regenerator described in the utility model
Regenerative system in carry out adsorbent reactivation, can effectively prevent from occurring adsorbent at the skew wall of regenerator top extension diameter section and pile up
The phenomenon of caking, being also beneficial to reduce water vapor partial pressure, chemically suppressing the generation of foulant in reaction further, thus effectively keeping away
Exempt from the coming off of adsorbent block due to piling up at regenerator extension diameter section skew wall, and lead to the not smooth exception of regenerator lower stockline
Phenomenon is so that the cycle of operation of sorbent regeneration system is longer more steady.
According to a kind of preferred implementation of the present utility model, enter in the sorbent regeneration system that this utility model provides
Row adsorbent reactivation, takes thermal medium for Regenerator receiver, substitutes traditional steam using nitrogen and takes heat, and after heat being taken
Nitrogen heat again after enter each hot nitrogen exhaustion point, not only reduce and take hot cost and nitrogen electric heater load, also eliminate
Adsorbent is led to lump due to taking thermal part to reveal, thus leading to regenerative system to be forced the hidden danger stopped work.
Preferred implementation of the present utility model described in detail above, but, this utility model is not limited to above-mentioned reality
Apply the detail in mode, in range of the technology design of the present utility model, the technical solution of the utility model can be entered
The multiple simple variant of row, these simple variant belong to protection domain of the present utility model.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, this utility model is to each
Plant possible compound mode no longer separately to illustrate.
Additionally, combination in any can also be carried out, as long as it is not disobeyed between various different embodiment of the present utility model
Carry on the back thought of the present utility model, it equally should be considered as content disclosed in the utility model.
Claims (12)
1. a kind of adsorbent regenerator is it is characterised in that this regenerator (2) includes regenerator housing (20) and is arranged on described
The internal endless tube (21) of regenerator housing (20) and cooling-part (22), described endless tube (21) is provided with for gas injection
Hole (211), wherein, described regenerator housing (20) includes enlarged diameter section, extension diameter section and little straight in the axial direction from top to bottom successively
Footpath section, described cooling-part (22) is located at described reduced diameter section, and described endless tube (21) is located at the top or described of described extension diameter section
The bottom of enlarged diameter section.
2. regenerator according to claim 1, wherein, described endless tube (21) is located at described enlarged diameter section and described extension diameter section
Intersection.
3. regenerator according to claim 2, wherein, the centrage of described endless tube (21) and described regenerator housing (20)
Central axis overlapping.
4. the regenerator according to any one in claim 1-3, wherein, Open Side Down or oblique for described hole (211)
Under.
5. regenerator according to claim 4, wherein, the opening direction of described hole (211) makes from described hole (211)
The gas ejecting is not collided with the skew wall of extension diameter section.
6. regenerator according to claim 4, wherein, the opening direction of described hole (211) is parallel with the skew wall of extension diameter section.
7. the regenerator according to any one in claim 1-3, wherein, hole (211) on described endless tube (21)
Number is 8-20, a diameter of 1-8mm of described hole (211).
8. regenerator according to claim 7, wherein, multiple holes (211) are in the upper equidistantly arrangement of described endless tube (21).
9. the regenerator according to any one in claim 1-3, wherein, in the diameter side of described regenerator housing (20)
Upwards, the outside diameter d of described endless tube (21) is less than the internal diameter D of the corresponding regenerator housing in described endless tube (21) position (20).
10. regenerator according to claim 9, wherein, the ratio of d and D is 0.6-0.95：1.
A kind of 11. sorbent regeneration system are it is characterised in that described regenerative system includes any one institute in claim 1-10
Regenerator (2), regenerator accepter (3) and the nitrogen electric heater (5) stated, the adsorbent outlet of described regenerator (2) and institute
State Regenerator receiver (3) connection, be provided with described Regenerator receiver (3) and take thermal part (31), described take thermal part
(31) it is used for transmitting nitrogen and carrying out taking heat to the adsorbent after regeneration, and the described nitrogen outlet taking thermal part (31) and institute
State nitrogen electric heater (5) connection.
12. regenerative systems according to claim 11, wherein, described regenerative system also includes condensate water pot (4), described cold
The condensation-water drain that solidifying water pot (4) passes through bottom conveys condensed water to the internal cooling-part (22) of described regenerator (2), described
The outlet of cooling-part (22) is connected with described condensate water pot (4) so that the logistics discharged from described cooling-part (22) returns
To described condensate water pot (4).
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| CN201620783518.1U CN205925720U (en) | 2016-07-22 | 2016-07-22 | Absorbent regeneration ware and absorbent regeneration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638876A (en) * | 2016-07-22 | 2018-01-30 | 中国石油化工股份有限公司 | A kind of adsorbent regenerator and sorbent regeneration system and adsorbent regeneration method |
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2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638876A (en) * | 2016-07-22 | 2018-01-30 | 中国石油化工股份有限公司 | A kind of adsorbent regenerator and sorbent regeneration system and adsorbent regeneration method |
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