CN108906011A - A kind of adsorbent recycling system and technique - Google Patents
A kind of adsorbent recycling system and technique Download PDFInfo
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- CN108906011A CN108906011A CN201810967806.6A CN201810967806A CN108906011A CN 108906011 A CN108906011 A CN 108906011A CN 201810967806 A CN201810967806 A CN 201810967806A CN 108906011 A CN108906011 A CN 108906011A
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- 239000003463 adsorbent Substances 0.000 title claims abstract description 67
- 238000004064 recycling Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000003795 desorption Methods 0.000 claims abstract description 62
- 238000007084 catalytic combustion reaction Methods 0.000 claims abstract description 52
- 238000002485 combustion reaction Methods 0.000 claims abstract description 42
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 37
- 230000008676 import Effects 0.000 claims description 10
- 238000010790 dilution Methods 0.000 claims description 7
- 239000012895 dilution Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000001172 regenerating effect Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 10
- 239000005416 organic matter Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- 238000001179 sorption measurement Methods 0.000 description 10
- 239000002699 waste material Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000002912 waste gas Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3491—Regenerating or reactivating by pressure treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3483—Regenerating or reactivating by thermal treatment not covered by groups B01J20/3441 - B01J20/3475, e.g. by heating or cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
Abstract
The invention discloses a kind of adsorbent recycling systems, bellows, a catalysis combustion air fan and a catalytic combustion burner are mixed including a vacuum desorption tower, a vacuum pump, a dedusting, pass sequentially through pipeline connection, adsorbent is placed in the vacuum desorption tower, in the case where the vacuum desorption tower, the vacuum pump, the dedusting mix the collective effect of bellows, the catalysis combustion air fan and the catalytic combustion burner, the organic matter for being adsorbed on adsorbent surface pair parses and ultimately generates CO2And H2O is simultaneously discharged, and removal process is safe and efficient, and does not generate secondary pollution.The invention also discloses a kind of adsorbents to recycle technique, using the adsorbent recycling system, by controlling the working condition of the vacuum desorption tower, the vacuum pump, the catalysis combustion air fan and the catalytic combustion burner, the safe and efficient recycling of adsorbent is realized.
Description
Technical field
The present invention relates to adsorbent recovery technology field, more precisely it is related to a kind of adsorbent recycling system and work
Skill.
Background technique
With the continuous development of China's economy and the depth adjustment of the industrial structure, clean manufacturing, which has become, a kind of gos deep into people
The idea of development of the heart.We have seen that in recent years, China is in the regulation and investment power for continuing to increase environment especially industrial waste gas
Degree, and achieve significant achievement.It is more that technics comparing may be selected in waste gas pollution control and treatment, but due to by investment operating cost, production status
Etc. composite factors influence, Some Enterprises selection locates the tail gas that generates in production process using absorption method.Absorption method processing is useless
The advantages that gas has cost of investment low, and simple process is mature, and engineering construction is easy, but after adsorbent uses certain time limit, just
Adsorption saturation can be reached and lose adsorption capacity.In order to make equipment have lasting adsorption capacity, enterprise can install in situ de-
Applying equipment, or the adsorbent more renewed.
Since generally desorption apparatus and process is complicated in situ for Vehicles Collected from Market, program is cumbersome, and cost of investment is high, so many enterprises
There is no installation desorption equipment in situ, and especially some relatively small enterprises of disposal of pollutants, adsorbent desorption cycles are longer, former
Position desorption capacity utilization is lower, and investment adsorbent in-situ desorption equipment will cause certain waste.At this point, enterprise can select by
Adsorbent after adsorption saturation transfers to the enterprise with related qualification to unify collection processing as danger wastes, and processing mode is more
Directly to burn, the serious waste of resource will cause.In addition, manufacturing enterprise also needs to undertake high active carbon purchase, dangerous waste
The management cost and economic cost of temporary and dangerous waste disposition.What is more, the yield of the waste and old active carbon in some areas is much
Greater than the disposing capacity of this area, the waste and old active carbon that many enterprises generate nowhere is disposed, and is thus brought additionally to enterprise
Dangerous waste administrative burden.
There are many existing adsorbent recovery technologies, such as condensation technology is desorbed in steam, but can generate in removal process
Waste water causes secondary pollution；Hot-air desorption-combustion technology safety in removal process is poor, is easy to appear active carbon certainly
Fire phenomenon；Hot nitrogen desorption-condensation/catalytic combustion technology operating cost is higher, and be desorbed efficiency it is not ideal enough, desorption rate compared with
Slowly.To sum up, this field needs a kind of new adsorbent recovery and utilization technology, to realize that safe and efficient adsorbent recycles.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of adsorbent recycling system, including a vacuum desorption tower,
One vacuum pump, a dedusting mix bellows, a catalysis combustion air fan and a catalytic combustion burner, pass sequentially through pipeline connection, adsorbent
It is placed in the vacuum desorption tower, mixes bellows, catalysis burning in the vacuum desorption tower, the vacuum pump, the dedusting
Under the collective effect of blower and the catalytic combustion burner, the organic matter for being adsorbed on adsorbent surface pair is parsed and is ultimately generated
CO2And H2O is simultaneously discharged.
It is another object of the present invention to provide a kind of adsorbents to recycle technique, recycles benefit using the adsorbent
With system, pass through the control vacuum desorption tower, the vacuum pump, the catalysis combustion air fan and the catalytic combustion burner
Working condition realizes the safe and efficient recycling of adsorbent.
In order to achieve the above object, the present invention provides a kind of adsorbent recycling system, including a vacuum desorption tower, one
Vacuum pump, a dedusting mix bellows, a catalysis combustion air fan, a catalytic combustion burner and an exhaust tube, the vacuum desorption tower top
Portion has a feed inlet, and bottom has a discharge port, and the vacuum desorption top of tower has an exhaust outlet, and the vacuum pump has
One vacuum pump air inlet and a vacuum pump air outlet, the exhaust outlet is connect by pipeline with the vacuum pump air inlet, described
Dedusting mixes bellows, and there is a dedusting to mix bellows air inlet and the mixed bellows air outlet of a dedusting, and the vacuum pump air outlet passes through pipeline
It mixes bellows air inlet with the dedusting to connect, the catalysis combustion air fan has a catalysis combustion air fan air inlet and a catalysis combustion
Fan outlet is burnt, the dedusting mixes bellows air outlet and connect by pipeline with the catalysis combustion air fan air inlet, described to urge
Changing combustion furnace has a catalytic combustion burner air inlet and a catalytic combustion burner air outlet, and the catalytic combustion burner air inlet passes through pipe
Road is connect with the catalysis combustion air fan air outlet, and the catalytic combustion burner air outlet is connect by pipeline with the exhaust tube.
Preferably, a heat exchanger is installed inside the vacuum desorption tower, the heat exchanger have a heat transferring medium import and
The outlet of one heat transferring medium, the heat transferring medium import are connect by pipeline with the catalytic combustion burner air outlet, and the heat exchange is situated between
Matter outlet is connect by pipeline with the exhaust tube.
Preferably, including a valve member, the valve member include one first valve, a third valve, one the 4th valve
Door and one vacuum valve is let out, first valve is arranged on the pipeline that the feed inlet is connect with the vacuum pump air inlet,
The third valve is arranged on the pipeline between the catalytic combustion burner air outlet and the exhaust tube, and the 4th valve is set
It sets on the pipeline between the heat transferring medium import and the catalytic combustion burner air outlet, it is described to let out vacuum valve and the vacuum
Desorption column combines setting.
Preferably, the heat exchanger uses one of tubular heat exchanger, coil exchanger, plate heat exchanger.
Preferably, including a dilution fresh inlet, the dedusting mix bellows air inlet and pass through pipeline and the dilution fresh air
Import connection.
Preferably, setting temperature controller and pressure controller inside the vacuum desorption tower.
Preferably, the dedusting mixes inner bellows and is provided with dust-extraction unit and concentration buffer device.
Preferably, the vacuum pump is using in scroll vacuum pump, screw vacuum pump, Roots vaccum pump, slide-valve vacuum pump
One kind.
Preferably, the catalytic combustion burner is using one in direct-combustion furnace, regenerative combustion furnace, heat accumulating type catalytic combustion furnace
Kind.
The present invention also provides a kind of adsorbents to recycle technique, using the adsorbent recycling system, including step
Suddenly：
(A) discharge port is closed, adsorbent is loaded from the feed inlet to the vacuum desorption tower, described in closing
Feed inlet；
(B) start the catalytic combustion burner；
(C) start the vacuum pump, increase the vacuum pump working frequency, control the catalysis combustion air fan frequency and keep
The catalytic combustion burner temperature is stablized；
(D) control valve component controls the vacuum desorption tower internal temperature and is stepped up, and keeps the vacuum desorption
Tower internal temperature stablizes a period of time；
(E) control valve component, and successively close the vacuum pump, the catalysis combustion air fan and catalysis burning
Furnace opens discharge port, removes adsorbent.
Compared with prior art, the advantages of a kind of adsorbent recycling system and technique disclosed by the invention, is：Institute
Stating adsorbent recycling system can be under super low energy consumption, efficiently, the suction by adsorption saturation during waste gas pollution control and treatment of high speed
Attached medium is desorbed, and realizes the regeneration and recycling of adsorbent, and operating cost is low, and high-efficient, desorption rate is desorbed
Fastly, secondary pollution will not be generated；The adsorbent recycles technique and uses the adsorbent recycling system, easy to operate
Convenient, error rate is low.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
It is as shown in Figure 1 a kind of structural schematic diagram of adsorbent recycling system of the invention.
It is illustrated in figure 2 the flow chart that a kind of adsorbent of the invention recycles technique.
Specific embodiment
As shown in Figure 1, a kind of adsorbent recycling system of the present invention include a vacuum desorption tower 10, a vacuum pump 20,
One dedusting mix bellows 30, one be catalyzed combustion air fan 40, a catalytic combustion burner 50, one dilution fresh inlet 60, an exhaust tube 70 with
An and valve member 80.There is a feed inlet 11, bottom has a discharge port 12, and adsorbent is logical at the top of the vacuum desorption tower 10
It crosses the feed inlet 11 to be placed in inside the vacuum desorption tower 10, through the discharge port 12 inside the vacuum desorption tower 10
It takes out.The vacuum pump 20 has a vacuum pump air inlet and a vacuum pump air outlet, and 10 top of vacuum desorption tower also has
There is an exhaust outlet 14, the exhaust outlet 14 is connect by pipeline with the vacuum pump air inlet；The dedusting, which mixes bellows 30, to be had
One dedusting mixes bellows air inlet and a dedusting mixes bellows air outlet, and the vacuum pump air outlet mixes wind by pipeline and the dedusting
The connection of case air inlet；The dedusting mixes bellows air inlet and connect simultaneously with the dilution fresh inlet 60；The catalysis burning wind
Machine 40 has a catalysis combustion air fan air inlet and a catalysis combustion air fan air outlet, and the dedusting mixes bellows air outlet and passes through pipe
Road is connect with the catalysis combustion air fan air inlet；There is the catalytic combustion burner 50 a catalytic combustion burner air inlet 51 and one to urge
Change combustion furnace air outlet 52, the catalytic combustion burner air inlet 51 is connect by pipeline with the catalysis combustion air fan air outlet,
The catalytic combustion burner air outlet 52 is connect by pipeline with the exhaust tube 70.Preferably, inside the vacuum desorption tower 10
Temperature controller and pressure controller are set, for guaranteeing that the temperature, pressure inside the vacuum desorption tower 10 is stablized；It is described to remove
Dirt mixes bellows 30 and is internally provided with dust-extraction unit and concentration buffer device；The vacuum pump 20 can use scroll vacuum pump, spiral shell
One of bar vacuum pump, Roots vaccum pump, slide-valve vacuum pump；The catalytic combustion burner 50 can use direct-combustion furnace, accumulation of heat
One of formula combustion furnace, heat accumulating type catalytic combustion furnace.It is worth noting that, the adsorbent recycling system can be to useless
The adsorbents such as active carbon, molecular sieve, natural zeolite, the macromolecule resin of the adsorption saturation during gas disposal carry out recycling benefit
With.
Further, a heat exchanger 13 is installed, the heat exchanger 13 has a heat exchange inside the vacuum desorption tower 10
Medium entrance 131 and a heat transferring medium air outlet 132, the heat transferring medium import 131 pass through pipeline and the catalytic combustion burner
Air outlet 52 connects, and the heat transferring medium air outlet 132 is connect by pipeline with the exhaust tube 70.Preferably, the heat exchange
Device 13 can use one of tubular heat exchanger, coil exchanger, plate heat exchanger.The catalytic combustion burner 50 burns
The a part containing hot exhaust gas generated afterwards directly passes through the exhaust tube 70 and is discharged, and a part passes through the heat transferring medium import 131
Into the heat exchanger 13, the adsorbent in the vacuum desorption tower 10 is heated, to realize residual heat recovery, is reduced
The energy consumption of the adsorbent recycling system, while improving recovery efficiency.For needing to recycle adsorbent difference, control
Temperature is 20 DEG C to 100 DEG C when being desorbed inside the vacuum desorption tower 10.
The valve member 80 includes one first valve 81, one second valve 82, a third valve 83 and one the 4th valve
Door 84, first valve 81 is arranged on the pipeline that the feed inlet 11 is connect with the vacuum pump 20, second valve
82 are disposed proximate on the pipeline of the dilution fresh inlet 60, and the third valve 83 is arranged in the catalytic combustion burner outlet air
On pipeline between mouthfuls 52 and the exhaust tube 70, the 4th valve 84 setting the heat transferring medium import 131 with it is described
On pipeline between catalytic combustion burner air outlet 52.The valve member 80 further includes letting out vacuum valve, it is described let out vacuum valve with
The vacuum desorption tower 10 combines setting, can control gas inside the vacuum desorption tower 10 by letting out vacuum valve described in adjusting
Pressure.
Low energy consumption for the adsorbent recycling system, and desorption is high-efficient, and rate is fast, will not generate secondary pollution, and pacify
Full property is preferable.
As shown in Fig. 2, the adsorbent, which recycles technique, uses the adsorbent recycling system, including step：
(A) discharge port is closed, adsorbent is loaded from the feed inlet to the vacuum desorption tower, described in closing
Feed inlet；
(B) start the catalytic combustion burner；
(C) start the vacuum pump, increase the vacuum pump working frequency, control the catalysis combustion air fan frequency and keep
The catalytic combustion burner temperature is stablized；
(D) control valve component controls the vacuum desorption tower internal temperature and is stepped up, and keeps the vacuum desorption
Tower internal temperature stablizes a period of time；
(E) control valve component, and successively close the vacuum pump, the catalysis combustion air fan and catalysis burning
Furnace opens discharge port, removes adsorbent.
After wherein step (C) starts the vacuum pump 20,10 air pressure inside of vacuum desorption tower is reduced, and is adsorbed on absorption
The organic matter on agent surface, which gradually parses and drains into the dedusting by the vacuum pump 20, mixes bellows 30, and burns in the catalysis
Bellows 30 are mixed by the dedusting under the action of blower 40 and the catalysis combustion air fan 40 enters the catalytic combustion burner 50 and fires
It burns, generates CO2And H2O, and a part containing hot exhaust gas after burning directly passes through the exhaust tube 70 discharge, another part into
Enter the heat exchanger 13, accelerates the desorption process of 10 internal adsorbent of vacuum desorption tower.
Specifically, the work using the adsorbent recycling system to adsorption saturation in ethyl acetate waste gas treatment process
The step of property charcoal is recycled be：
(A) systems inspection complete and confirm it is errorless after, the discharge port is closed, then by ethyl acetate waste gas treatment process
The active carbon of middle adsorption saturation is loaded from mouth is loaded to vacuum desorption tower, after the completion of filling, closes the feed inlet；
(B) start the catalytic combustion burner；
(C) start the vacuum pump, increase the vacuum pump working frequency to 50Hz, control the catalysis combustion air fan frequency
Rate keeps the catalytic combustion burner temperature to stablize；
(D) control valve component controls the air inlet of vacuum desorption tower internal exchanger, is stepped up temperature in desorption column
To 40 DEG C, temperature stablizes 2h；
(E) it opens and lets out vacuum valve, after 10s, be again switched off and let out vacuum valve, after 10min, successively close the vacuum pump, institute
Catalysis combustion air fan and the catalytic combustion burner are stated, is again turned on and lets out vacuum valve, to the vacuum desorption tower internal pressure and outside
Atmospheric pressure balance in boundary's when temperature is lower than 40 DEG C, opens discharge port, the active carbon being transferred out of in vacuum desorption tower.
Using the adsorbent recycling system to the active carbon of adsorption saturation in toluene, xylene waste gas treatment process
The step of being recycled be：
(A) systems inspection complete and confirm it is errorless after, close the discharge port, then by toluene, xylene waste gas processing
The active carbon of adsorption saturation is loaded from mouth is loaded to vacuum desorption tower in the process, after the completion of filling, closes the feed inlet；
(B) start the catalytic combustion burner；
(C) start the vacuum pump, increase the vacuum pump working frequency to 50Hz, control the catalysis combustion air fan frequency
Rate keeps the catalytic combustion burner temperature to stablize；
(D) control valve component controls the air inlet of vacuum desorption tower internal exchanger, is stepped up temperature in desorption column
To 50 DEG C, temperature stablizes 3h；
(E) it opens and lets out vacuum valve, after 10s, be again switched off and let out vacuum valve, after 10min, successively close the vacuum pump, institute
Catalysis combustion air fan and the catalytic combustion burner are stated, is again turned on and lets out vacuum valve, to the vacuum desorption tower internal pressure and outside
Atmospheric pressure balance in boundary's when temperature is lower than 40 DEG C, opens discharge port, the active carbon being transferred out of in vacuum desorption tower.
As it can be seen that the heterogeneity of the adsorbent handled as needed, can specifically adjust the adsorbent and recycle work
Design parameter in skill, to realize effective recycle.The adsorbent recycling technological operation is simple and convenient, is not easy out
Mistake, and flexible adjustment, it is applied widely.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of adsorbent recycling system, which is characterized in that mix wind including a vacuum desorption tower, a vacuum pump, a dedusting
Case, a catalysis combustion air fan, a catalytic combustion burner and an exhaust tube, the vacuum desorption top of tower have a feed inlet, bottom
Portion have a discharge port, the vacuum desorption top of tower have an exhaust outlet, the vacuum pump have a vacuum pump air inlet and
One vacuum pump air outlet, the exhaust outlet are connect by pipeline with the vacuum pump air inlet, and the dedusting, which mixes bellows, has one
Dedusting mixes bellows air inlet and a dedusting mixes bellows air outlet, and the vacuum pump air outlet mixes bellows by pipeline and the dedusting
Air inlet connection, the catalysis combustion air fan have a catalysis combustion air fan air inlet and a catalysis combustion air fan air outlet, institute
It states the mixed bellows air outlet of dedusting to connect by pipeline with the catalysis combustion air fan air inlet, the catalytic combustion burner has one to urge
Change combustion furnace air inlet and a catalytic combustion burner air outlet, the catalytic combustion burner air inlet is burnt by pipeline and the catalysis
Fan outlet connection, the catalytic combustion burner air outlet are connect by pipeline with the exhaust tube.
2. adsorbent recycling system as described in claim 1, which is characterized in that installation one inside the vacuum desorption tower
There is a heat transferring medium import and a heat transferring medium to export for heat exchanger, the heat exchanger, and the heat transferring medium import passes through pipeline
It is connect with the catalytic combustion burner air outlet, the heat transferring medium outlet is connect by pipeline with the exhaust tube.
3. adsorbent recycling system as claimed in claim 2, which is characterized in that including a valve member, the valve
Component lets out vacuum valve including one first valve, a third valve, one the 4th valve and one, and first valve is arranged described
On the pipeline that feed inlet is connect with the vacuum pump air inlet, third valve setting the catalytic combustion burner air outlet with
On pipeline between the exhaust tube, the 4th valve is arranged in the heat transferring medium import and the catalytic combustion burner outlet air
On pipeline between mouthful, the vacuum valve of letting out is arranged in conjunction with the vacuum desorption tower.
4. adsorbent recycling system as claimed in claim 2, which is characterized in that the heat exchanger is exchanged heat using shell and tube
One of device, coil exchanger, plate heat exchanger.
5. adsorbent recycling system as described in claim 1, which is characterized in that described including a dilution fresh inlet
Dedusting mixes bellows air inlet and is connect by pipeline with the dilution fresh inlet.
6. adsorbent recycling system as described in claim 1, which is characterized in that setting temperature inside the vacuum desorption tower
Spend controller and pressure controller.
7. adsorbent recycling system as described in claim 1, which is characterized in that the dedusting mixes inner bellows and is provided with
Dust-extraction unit and concentration buffer device.
8. adsorbent recycling system as described in claim 1, which is characterized in that the vacuum pump uses swirl vacuum
One of pump, screw vacuum pump, Roots vaccum pump, slide-valve vacuum pump.
9. adsorbent recycling system as described in claim 1, which is characterized in that the catalytic combustion burner uses direct combustion
One of furnace, regenerative combustion furnace, heat accumulating type catalytic combustion furnace.
10. a kind of adsorbent recycles technique, which is characterized in that recycled using adsorbent as claimed in claim 3
System, including step：
(A) discharge port is closed, adsorbent is loaded from the feed inlet to the vacuum desorption tower, the charging is closed
Mouthful；
(B) start the catalytic combustion burner；
(C) start the vacuum pump, increase the vacuum pump working frequency, control described in the catalysis combustion air fan frequency holding
Catalytic combustion burner temperature is stablized；
(D) control valve component controls the vacuum desorption tower internal temperature and is stepped up, and keeps in the vacuum desorption tower
Portion's temperature stablizes a period of time；
(E) control valve component, and the vacuum pump, the catalysis combustion air fan and the catalytic combustion burner are successively closed, it beats
It starts discharging material mouth, removes adsorbent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810967806.6A CN108906011A (en) | 2018-08-23 | 2018-08-23 | A kind of adsorbent recycling system and technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810967806.6A CN108906011A (en) | 2018-08-23 | 2018-08-23 | A kind of adsorbent recycling system and technique |
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| CN108906011A true CN108906011A (en) | 2018-11-30 |
Family
ID=64406665
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810967806.6A Pending CN108906011A (en) | 2018-08-23 | 2018-08-23 | A kind of adsorbent recycling system and technique |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821520A (en) * | 2019-03-13 | 2019-05-31 | 常州大学 | A kind of mobile and combined adsorbent desorption and regeneration system on the spot |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205102136U (en) * | 2015-10-20 | 2016-03-23 | 东莞市天明环保节能工程有限公司 | Be suitable for waste gas to adsorb catalytic combustion equipment that desorption was handled |
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| CN205760439U (en) * | 2016-05-11 | 2016-12-07 | 合佳环保科技（昆山）有限公司 | Organic waste gas treatment device |
| CN208928178U (en) * | 2018-08-23 | 2019-06-04 | 苏州君绿环境技术服务有限公司 | A kind of adsorbent recycling system |
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Application publication date: 20181130 |