CN206621957U - A kind of tail gas clean-up and recycling retracting device - Google Patents
A kind of tail gas clean-up and recycling retracting device Download PDFInfo
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- CN206621957U CN206621957U CN201720270460.5U CN201720270460U CN206621957U CN 206621957 U CN206621957 U CN 206621957U CN 201720270460 U CN201720270460 U CN 201720270460U CN 206621957 U CN206621957 U CN 206621957U
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Abstract
The utility model belongs to waste gas purification and recovery technology field, discloses a kind of tail gas clean-up and recycling retracting device, including adsorbent equipment, vacuum extractor and the condensing unit being sequentially communicated, and machine macromolecule molecular sieve is filled with the adsorbent equipment；The condensate outlet of the condensing unit is connected with the inlet of the vacuum extractor, and the vacuum extractor has housing, and the nozzle being arranged in the housing, and vacuum is formed with injection condensing liquid condensing desorption gas and in the adsorbent equipment.By above-mentioned adsorbent equipment and vacuum extractor, while improve adsorption efficiency and desorption efficiency.Using nozzle, injection condensing liquid condensing desorption gas simultaneously forms vacuum in adsorbent equipment, while making material desorption to be recycled, also its total condensation can be made, material to be recycled has been reclaimed, and has improved its rate of recovery, after tested, the removal efficiency of material to be recycled is more than 99.99% in tail gas, and the rate of recovery is more than 99.99%.
Description
Technical field
The utility model belongs to waste gas purification and recovery technology field, and in particular to a kind of tail gas clean-up and recycling recovery
Device.
Background technology
In the industrial production, (such as methanol, ethanol, acetone, ethyl ester, butyl ester, benzene, the first of the volatile matter containing boiling point≤150 DEG C
The inorganic matter such as the organic matters such as benzene, dimethylbenzene, phenylacetic acid, glutaraldehyde and hydrogen sulfide, ammonia, hydrogen chloride, chlorosilane) tail gas, it is micro
Be discharged in air, easily formed haze and acid rain etc. harm, content it is high first through a large amount of cleaning solutions in scrubbing tower washing, purifying,
Volatile matter is stripped off by heating from cleaning solution again.
To avoid drawbacks described above, prior art generally carries out transformation or temp.-changing adsorption first with molecular sieve or activated carbon, then
The medium of absorption is desorbed using decompression or hot nitrogen, condensed device or spray column deep condensation turns the gas parsed again
It is melted into liquid.As the Chinese patent literature CN104107621A polymeric adsorbent pressure-variable adsorption recovery for disclosing nitrogen purging auxiliary has
The method of machine waste gas.Above-mentioned technology discloses following steps：1) adsorb：Waste gas containing volatile organic matter passes through gas collection system
System is adsorbed into absorber；2) it is desorbed：Adsorbent is adsorbed by vacuumizing-nitrogen purge in absorber
VOCs is desorbed from adsorbent to be got off to obtain desorption gas；3) reclaim：Desorption gas is reclaimed by condensation or adsorption treatment
VOCs, adsorbent therein are macroporous absorbent resin.Above-mentioned technology is without a large amount of cleaning solutions, without stripping or evaporation, energy consumption
It is relatively low.
Above-mentioned technology uses macroporous absorbent resin during absorption, and hole therein is mainly distributed on araea porosae mesonoticae (2-
50nm), after thering is a certain amount of macropore (＞ 50nm), the above-mentioned macroporous absorbent resin with abundant mesopore and macropore to be although advantageous to
Continuous desorption VOCs, improves desorption efficiency, but its early stage is weak to the absorption affinity of volatile organic matter in tail gas, and adsorption capacity is small,
Cause tail gas clean-up effect poor, absorption and desorption have the relation mutually restricted, therefore, how while desorption efficiency is improved
Also the technical problem that adsorption efficiency is those skilled in the art institute urgent need to resolve can be improved.
Utility model content
Therefore, to be solved in the utility model is to be difficult to take into account adsorption efficiency and desorption in tail gas clean-up and removal process
The defects of efficiency, limited clean-up effect difference and desorption ability, and then a kind of absorption and desorption efficiency high, clean-up effect are provided
It is good, the high tail gas clean-up of the rate of recovery and recycling retracting device.
In order to solve the above technical problems, the technical solution adopted in the utility model is as follows：
Tail gas clean-up provided by the utility model and recycling retracting device, including be sequentially communicated adsorbent equipment, take out
Vacuum plant and condensing unit；
Machine macromolecule molecular sieve is filled with the adsorbent equipment；
The condensate outlet of the condensing unit connects with the inlet of the vacuum extractor, the vacuum extractor tool
There is housing, and the nozzle being arranged in the housing, with injection condensing liquid condensing desorption gas and in the adsorbent equipment
Form vacuum.
Preferably, the inwall of the housing upper is symmetrical arranged the nozzle, between the nozzle and the case inside wall
Angle α be 30 °≤α≤75 °；
Air inlet, the desorption gas outlet of the air inlet and the adsorbent equipment are set in the housing sidewall.
Further, the angle α between the nozzle and the case inside wall is 40 °≤α≤60 °.
Preferably, the ratio between the filling height h of the organic polymer molecular sieve and height H of the adsorbent equipment is (0.6
~1)：1.
Preferably, set in the adsorbent equipment with heat transferring medium import, heat transferring medium circulation inner chamber and heat transferring medium
The heat-exchanger rig of outlet, filling direction arrangement of the heat transferring medium circulation inner chamber along the organic polymer molecular sieve, with cold
But or the heating organic polymer molecular sieve.
Further, the heat transferring medium import and thermal medium outlet are respectively positioned on the adsorbent equipment bottom；
The adsorbent equipment top or top are provided with inlet exhaust gas and desorption gas outlet, and bottom or bottom are provided with only
Change offgas outlet.
Preferably, the number at least two of the adsorbent equipment, be connected in parallel to each other setting, absorption described in wherein at least one
Device is in adsorbed state, and at least one adsorbent equipment is in desorption state.
Preferably, in addition to the retracting device and cycle power device that are sequentially connected, the inlet of the retracting device with
The liquid outlet connection of the vacuum extractor, the inlet of the liquid outlet of the cycle power device and the condensing unit connect
It is logical；
Fluid infusion and Product recycling mouth are provided with the retracting device；
Diffuser pipe, connected with the liquid outlet of the vacuum extractor.
Further, inlet of the Product recycling mouth also with the condensing unit connects.
In the utility model, ＜ 2nm aperture, 2-50nm mesopore and ＞ 50nm in the organic polymer molecular sieve
The volume ratio of macropore be (6-7)：(2-3)：(1-2), concretely at least one in polyethylene, polystyrene or poly- phenolic aldehyde
Kind.
It should be noted that condensate liquid after cooling remains to protect after carrying out vehicle repair major heat exchange in vacuum extractor
It is demonstrate,proved below the temperature spot of total condensation.
Compared with prior art, the utility model has the advantages that：
(1) tail gas clean-up and recycling retracting device that the utility model embodiment is provided, by loading organic high score
The adsorbent equipment of sub- molecular sieve, cooperated with vacuum extractor, while improve adsorption efficiency and desorption efficiency.Using spray
Mouth, injection condensing liquid condensing desorption gas simultaneously form vacuum in adsorbent equipment, while making material desorption to be recycled, can also make
Its total condensation, material to be recycled is reclaimed, and improved its rate of recovery, after tested, the removal efficiency of material to be recycled in tail gas
More than 99.99%, the rate of recovery is more than 99.99%.
(2) tail gas clean-up and recycling retracting device that the utility model embodiment is provided, the angle of nozzle is set, taken off
Attached gas is fully contacted and rubbed with condensate liquid, carries out heat exchange, it is liquid to make desorption gas total condensation, is further increased
The rate of recovery；By setting the filling height of organic polymer molecular sieve to ensure that tail gas circulates the ratio between with the height of adsorbent equipment
Time, further increase adsorption efficiency and desorption efficiency.
(3) tail gas clean-up and recycling retracting device that the utility model embodiment is provided, occupation of land is small, investment is low, effect
Rate is high, simple to operate, running cost is low and energy consumption is low, and recovery time is short, and can be by the direct recycling of material to be recycled in tail gas
Recovery switchs to product.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of tail gas clean-up and recycling retracting device in the utility model.
Fig. 2 is the structural representation of vacuum extractor in the utility model.
Reference is as follows：
1- adsorbent equipments；2- vacuum extractors；3- retracting devices；4- cycle power devices；5- condensing units；6- products return
Close up；7- fluid infusions；8- diffuser pipes；9- heat-exchanger rigs.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation, the finger such as term " on ", " under ", " level ", " interior ", " outer " in description of the present utility model
The orientation or position relationship shown be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and
Simplify description, rather than the device or element of instruction or hint meaning there must be specific orientation, with specific azimuth configuration
And operation, therefore it is not intended that to limitation of the present utility model.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Conflict can is not formed to be combined with each other.
Embodiment 1
A kind of tail gas clean-up and recycling retracting device are present embodiments provided, as shown in figure 1, including the suction being sequentially communicated
Adsorption device 1, vacuum extractor 2 and condensing unit 5；
Machine macromolecule molecular sieve is filled with adsorbent equipment 1；
The condensate outlet of condensing unit 5 connects with the inlet of vacuum extractor 2, and vacuum extractor 2 has housing, with
And the nozzle in housing is arranged on, vacuum is formed with injection condensing liquid condensing desorption gas and in adsorbent equipment 1.As optional
The embodiment selected, adsorbent equipment 1 can be adsorption column.
In above-mentioned tail gas clean-up and recycling retracting device, by loading the adsorbent equipment of organic polymer molecular sieve, with
Vacuum extractor cooperates, while improves adsorption efficiency and desorption efficiency.Using nozzle, injection condensing liquid condensing desorption gas
Body simultaneously forms vacuum in adsorbent equipment 1, while making material desorption to be recycled, can also make its total condensation, reclaim and treated back
Material is received, and improves its rate of recovery.
As shown in Fig. 2 in order that desorption gas is fully contacted and rubbed with condensate liquid, to carry out heat exchange, make desorption gas
Body total condensation is liquid, improves its rate of recovery, the inwall of housing upper is symmetrical arranged nozzle, between nozzle and case inside wall
Angle α is 30 °≤α≤75 °；
Air inlet, the desorption gas outlet of air inlet and adsorbent equipment 1 are set in housing sidewall.
Further, the angle α between the nozzle and the case inside wall is 40 °≤α≤60 °.
On the basis of above-mentioned technical proposal, the filling height h of organic polymer molecular sieve and the height H of adsorbent equipment it
Than for (0.6~1)：1.By above-mentioned setting, the tail gas currency is ensure that, adsorption efficiency is further increased and desorption is imitated
Rate.
As shown in figure 1, set in adsorbent equipment 1 with heat transferring medium import, heat transferring medium circulation inner chamber and heat transferring medium
The heat-exchanger rig 9 of outlet, filling direction arrangement of the heat transferring medium circulation inner chamber along organic polymer molecular sieve, to cool down or heat
Organic polymer molecular sieve, and then ensure the temperature of absorption and desorption.As selectable embodiment, in the present embodiment,
Heat-exchanger rig can be heat exchanger tube；Heat transferring medium can be selected according to being actually needed, and when such as adsorbable, select cooling water, desorption
When, select hot water.
Further, the heat transferring medium import and thermal medium outlet are respectively positioned on the adsorbent equipment bottom；
The adsorbent equipment top or top are provided with inlet exhaust gas and desorption gas outlet, and bottom or bottom are provided with only
Change offgas outlet.
As shown in figure 1, the number at least two of adsorbent equipment 1, be connected in parallel to each other setting, wherein at least one adsorbent equipment
1 is in adsorbed state, and at least one adsorbent equipment 1 is in desorption state.
On the basis of above-mentioned technical proposal, in addition to the retracting device 3 and cycle power device 4 being sequentially connected, recovery
The inlet of device 3 connects with the liquid outlet of vacuum extractor 2, the liquid outlet of cycle power device 4 and the feed liquor of condensing unit 5
Mouth connection；As selectable embodiment, in the present embodiment, the concretely recycling can of retracting device 3；Cycle power device
4 concretely circulating pumps；
Fluid infusion 7 and Product recycling mouth 6 are provided with retracting device 3；
Diffuser pipe 8, connected with the liquid outlet of vacuum extractor 2.
Further, inlet of the Product recycling mouth also with the condensing unit connects.
Have it should be noted that above-mentioned tail gas clean-up and recycling retracting device can be used not only for processing containing effumability
The tail gas of machine thing, such as tail gas containing methanol, ethanol or acetone, can also handle the tail gas containing inorganic matter, such as containing hydrogen chloride, sulphur
Change hydrogen, ammonia, the tail gas of chlorosilane.
The switching of absorption, the startup of desorption and parking generally automatically control operation by PLC system, can also control manually
Into.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (10)
1. a kind of tail gas clean-up and recycling retracting device, including adsorbent equipment, vacuum extractor and the condensation dress being sequentially communicated
Put, it is characterised in that
Machine macromolecule molecular sieve is filled with the adsorbent equipment；
The condensate outlet of the condensing unit connects with the inlet of the vacuum extractor, and the vacuum extractor has shell
Body, and the nozzle being arranged in the housing, formed with injection condensing liquid condensing desorption gas and in the adsorbent equipment
Vacuum.
2. device according to claim 1, it is characterised in that the inwall of the housing upper is symmetrical arranged the nozzle,
Angle α between the nozzle and the case inside wall is 30 °≤α≤75 °；
Air inlet, the desorption gas outlet of the air inlet and the adsorbent equipment are set in the housing sidewall.
3. device according to claim 2, it is characterised in that the angle α between the nozzle and the case inside wall is
40°≤α≤60°。
4. according to the device any one of claim 1-3, it is characterised in that the filling of the organic polymer molecular sieve
The ratio between height h and height H of the adsorbent equipment is (0.6~1)：1.
5. according to the device any one of claim 1-3, it is characterised in that being set in the adsorbent equipment has heat exchange
The heat-exchanger rig of medium entrance, heat transferring medium circulation inner chamber and heat transferring medium outlet, the heat transferring medium circulate inner chamber along described
The filling direction arrangement of organic polymer molecular sieve, to cool down or heat the organic polymer molecular sieve.
6. device according to claim 5, it is characterised in that the heat transferring medium import and thermal medium outlet are respectively positioned on institute
State adsorbent equipment bottom；
The adsorbent equipment top or top are provided with inlet exhaust gas and desorption gas outlet, and bottom or bottom are provided with purification tail
Gas exports.
7. device according to claim 4, it is characterised in that the number at least two of the adsorbent equipment, each other simultaneously
Connection is set, and adsorbent equipment described in wherein at least one is in adsorbed state, and at least one adsorbent equipment is in desorption state.
8. according to the device any one of claim 1-3, it is characterised in that also include the retracting device that is sequentially connected and
Cycle power device, the inlet of the retracting device connect with the liquid outlet of the vacuum extractor, the circulation power dress
The liquid outlet put connects with the inlet of the condensing unit.
9. device according to claim 8, it is characterised in that be provided with fluid infusion and Product recycling on the retracting device
Mouthful；
Diffuser pipe, connected with the liquid outlet of the vacuum extractor.
10. device according to claim 9, it is characterised in that the Product recycling mouth also enters with the condensing unit
Liquid mouth connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720270460.5U CN206621957U (en) | 2017-03-20 | 2017-03-20 | A kind of tail gas clean-up and recycling retracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720270460.5U CN206621957U (en) | 2017-03-20 | 2017-03-20 | A kind of tail gas clean-up and recycling retracting device |
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| CN206621957U true CN206621957U (en) | 2017-11-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925074A (en) * | 2017-03-20 | 2017-07-07 | 西安纳瑞工控科技有限公司 | A kind of tail gas clean-up and recycling recovery process and its device |
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2017
- 2017-03-20 CN CN201720270460.5U patent/CN206621957U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925074A (en) * | 2017-03-20 | 2017-07-07 | 西安纳瑞工控科技有限公司 | A kind of tail gas clean-up and recycling recovery process and its device |
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