CN201284236Y - Apparatus for recycling CO2 and preventing ice blockage - Google Patents

Apparatus for recycling CO2 and preventing ice blockage Download PDF

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Publication number
CN201284236Y
CN201284236Y CNU2008200807434U CN200820080743U CN201284236Y CN 201284236 Y CN201284236 Y CN 201284236Y CN U2008200807434 U CNU2008200807434 U CN U2008200807434U CN 200820080743 U CN200820080743 U CN 200820080743U CN 201284236 Y CN201284236 Y CN 201284236Y
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China
Prior art keywords
separator
pressure separator
recovery
pressure
level high
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Expired - Lifetime
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CNU2008200807434U
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Chinese (zh)
Inventor
廖小军
胡小松
廖红梅
孙志健
张燕
吴继红
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China Agricultural University
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China Agricultural University
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids

Abstract

The utility model discloses a CO2 recovery and ice blocking prevention device, in particular to a device used for CO2 and material separation, purification and recovery, and ice blocking prevention in a continuous high density carbon dioxide sterilization device. The technical proposal comprises a first stage high pressure separator, which is characterized in that the first stage high pressure separator is provided with an insulating sleevingsleeve, ; a second stage normal pressure separator is connected with the lower outlet of the first stage high pressure separator, ; a third stage reflux normal pressure separator is connected with the upper outlet of the first stage high pressure separator, and a filter is connected with the outlet of the third stage reflux normal pressure separator. The utility model integrates multistage efficient separation and CO2 purification, thus realizing the recovery and reuse of CO2 in the continuous high density carbon dioxide sterilization system; meanwhile, the recovery rate can reach 90% to 95%, the purity of the recovered CO2 can reach 95%, therefore thereby greatly reducing the operation cost of the sterilization device, and lowering the CO2 emission and protecting the environment; the utility model also can be used in the supercritical CO2 extraction system and all equipment using CO2 as the treatment medium for the recovery and reuse of CO2, and has broad application prospect.

Description

A kind of CO 2The device that recovery and anti-stagnant ice are stifled
Technical field
The utility model relates to a kind of CO 2The device that recovery and anti-stagnant ice are stifled, especially a kind of continous way high-density carbonic anhydride disinfection device CO that is used for 2With feed separation, purification and recovery and the stifled device of anti-stagnant ice.
Background technology
In high-density carbonic anhydride disinfection device, reacted CO 2Be directly connected to separating effect, CO with feed separation, purification and recovery to utilize once more 2Utilization ratio, running cost and environmental protection problem.If CO 2Can be in the loop fully and feed separation and be purified recovery, can not only improve CO 2Utilization ratio, reduce equipment running cost, also can reduce CO greatly 2Quantity discharged, the protection environment.
At CO 2In the feed separation process, CO 2Be discharged into large container from little volume, its pressure is sharply reduced to low pressure by high pressure, causes its temperature sharply to reduce, and forms dry ice, even material freezes, and makes CO 2Be difficult to separate maybe and can't separate with material, blocking pipe.
Existing C O 2Recovery system mainly is to be used for supercritical CO 2In the extraction plant, mainly by reliever, one with low pressure CO 2Change the container of outlet, separator, the contain fluid of fully pressure-free, above strainer, adsorption bed, moisture eliminator, flow network into.CO 2Together enter with water vapour, impurity, solubility promoter etc. and to be lowered into low-pressure state in the reliever, by one with low pressure CO 2The outlet that changes fully pressure-free into further is transformed into and enters separator, CO in separator after not having the liquid mixed stream of calming the anger 2Be condensed into liquid state, flow into the container of contain fluid again, through dispeling impurity, moisture, solubility promoter wherein behind filter bed, adsorption bed, the moisture eliminator, various piece connects by flow network.It mainly separates and reclaims mainly is to realize by filter bed, adsorption bed, moisture eliminator.Design is complicated, complex operation, and be not easy to open with nonpolar liquid separating substances.
In sum, need provide a kind of and can make CO 2Fully separate with material, do not form the CO after the dry ice blocking pipe can make separation again 2The device that is fully purified solves existing problem.
Summary of the invention
The purpose of this utility model is to provide a kind of can make CO 2Fully separate with material, do not form the stifled CO that can make again after the separation of ice 2The CO that is fully purified 2The device that recovery and anti-stagnant ice are stifled.
Be achieved by the following technical solution in the utility model:
A kind of CO 2The device that recovery and anti-stagnant ice are stifled, comprise: the one-level high-pressure separator, it is characterized in that, this one-level high-pressure separator has muff, link to each other with the outlet of the lower end of this one-level high-pressure separator and to be connected to a secondary atmospheric separator, linking to each other with the outlet of the upper end of this one-level high-pressure separator is connected to one three grades backflow normal pressure separators, and what be connected with these three grades of backflow normal pressure separator outlets is strainer.
Above-mentioned CO2 reclaims and prevents that described one-level high-pressure separator is the high-pressure-resistant vessel that an outside has the heat tracing layer in the stifled device of stagnant ice, and its top duct links to each other with a back pressure valve, makes CO 2Enter separator with the mixture of material and separate, the top communicates with three grades of backflow normal pressure separators by a passage, with the CO after separating 2Be sent to three grades of backflow normal pressure separators; The bottom of one-level high-pressure separator has one to discharge the passage that separates the back material, and this passage leads to the top of secondary atmospheric separator.
Above-mentioned CO2 reclaims and prevents in the stifled device of stagnant ice, described secondary atmospheric cyclone separator arrangement is identical with the structure of one-level high-pressure separator, one discharge tube is arranged at its bottom, and the material that accumulates in secondary atmospheric separator bottom is discharged by this bottom pipe, as arranging into aseptic canning system; Its top-side has the passage of an emission gases, a spot of CO 2Then the passage by the top discharges.
Above-mentioned CO2 reclaims and prevents in the stifled device of stagnant ice, there is low temperature muff parcel the outside of described three grades of backflow normal pressure separators, there is a pipeline its inside, the upper end of this pipeline communicates with the top of one-level high-pressure separator, a three-way pipeline is established in the lower end of this pipeline, an outlet of this three-way pipeline is by the top exit of a pipeline that makes progress towards three grades of backflow normal pressure separators, and another outlet of this three-way pipeline connects blow-off valve.CO after the one-level high-pressure separator is separated 2Enter the top of three grades of atmospheric pressure reflux separators by the pipeline of three grades of backflow normal pressure separator top-side, through pipeline by overhead stream to the bottom, in the three-way pipeline of bottom with residual shuntings such as minute quantity material, CO 2Be back to the separator top exit from three grades of atmospheric pressure reflux separator bottoms again, come out to accumulate in three grades of atmospheric pressure reflux separators bottoms as if separation such as material are arranged in this process, these accumulative materials are emitted by blow-off valve at last.
Above-mentioned CO2 reclaims and prevents that described strainer is a stainless steel cylinder in the stifled device of stagnant ice, and filter cloth all is equipped with in order to filtering particle impurity in its two ends, and the weighting material of dispeling moisture and unpleasant odor is equipped with in its inside.
Above-mentioned CO2 reclaims and prevents in the stifled device of stagnant ice, bottom at one-level high-pressure separator and secondary atmospheric separator is separately installed with liquidometer, with liquidometer supporting be the magnetic valve of controlling the lower part outlet of one-level high-pressure separator and secondary atmospheric separator respectively.The complete combination of described liquidometer and magnetic valve, they control gas-liquid separation time and separation efficiency indirectly.Liquid level in the liquidometer record separator, and then the amount of reaction mass, it passes to magnetic valve with signal, reaches certain liquid level rear electromagnetic valve and opens automatically, discharges material.Described liquidometer and magnetic valve are complete to be installed on one-level high-pressure separator and the secondary atmospheric separator, and each separator is installed one group.
Above-mentioned CO2 reclaims and prevents that described one-level high-pressure separator has glass vision panel in the stifled device of stagnant ice.
The utility model CO 2Recovery and anti-freeze device have following advantage:
1. this CO 2Reclaim with the anti-freeze device with multi-stage, efficient separate, CO 2Purification combines, and can realize CO in the continous way high-density CO 2 bactericidal system 2Recycling;
2. this CO 2Recovery and anti-freeze device are used for the CO of continous way high-density CO 2 bactericidal system 2Purification reclaim, the rate of recovery reaches 90%～95%, the CO of recovery 2Purity reaches 95%.Save the running cost of sterilizing unit greatly, reduced CO again 2Quantity discharged, the protection environment;
3. this CO 2Recovery and anti-freeze device also can be used for the overcritical CO of stating 2Extracting system, and all are CO in the equipment of treatment media with CO2 2Recycling, application prospect is extensive.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below by accompanying drawing and specific embodiment the utility model is described in detail.
As shown in Figure 1,1 for having the one-level high-pressure separator of glass vision panel, 2 is the secondary atmospheric separator, 3 is three grades of atmospheric pressure reflux separators, and 4 is strainer, and 5 is the inlet of one-level high-pressure separator 1,6 for being positioned at the outlet conduit at one-level high-pressure separator top, 7 for being positioned at the outlet at three grades of atmospheric pressure reflux separator tops, and 8 is the lower part outlet of strainer 4, and 9 is the valve of three grades of atmospheric pressure reflux separator bottoms, 10 is liquidometer I, 11 is electromagnetic valve I, and 12 is the outlet of one-level high-pressure separator bottom, and 13 are the emptying valve, 14 is liquidometer II, 15 is electromagnetic valve II, and 16 is the outlet at bottom of secondary atmospheric separator, and 17 is the top exit of secondary atmospheric separator.
CO described in the utility model 2The stifled device of separation, purification, recovery and anti-stagnant ice is mainly by one-level high- pressure separator 1,2, three grades of atmospheric pressure reflux separators 3 of secondary atmospheric separator, and strainer 4 is formed.CO 2Enter with the inlet 5 of mixtures of materials, in separator, separate the most of CO after the separation for the first time from one-level high-pressure separator 1 2Enter next stage by this separator top by outlet conduit 6 and separate, and the CO of material and small amount of residual 2At first accumulate in the bottom of separator, transmit signal and give electromagnetic valve I 11 after liquidometer I10 record is a certain amount of, electromagnetic valve I 11 is opened, and then enters the next stage separator from this separator bottom by outlet 12, is difficult to isolating CO on a small quantity 2Can discharge by the emptying valve 13 of this separator bottom with mixing of materials; Enter the CO of three grades of atmospheric pressure reflux separators 3 by outlet 6 2To the bottom, a three-way pipeline, CO are arranged in the bottom by overhead stream 2Up be back to outlet 7 through this three-way pipeline, a small amount of material then accumulates in this separator bottom, is emitted by valve 9 at last; The CO that obtains after outlet 7 separation by three grades of atmospheric pressure reflux separators 3 2To strainer 4, dispel the CO of moisture, impurity and unpleasant odor by pipe-line transportation through filtration 2Flow into the cooling liquid device by outlet 8; Material and small amount of residual CO after separating from one-level high-pressure separator 1 2Enter secondary atmospheric separator 2 by outlet 12, the material after separating in this separator enters the aseptic canning system by outlet at bottom 16 for electromagnetic valve II 15 by liquidometer II14 transmission signal after running up to certain liquid level, and a spot of CO 2Then by outlet 17 emptyings; For prevent that dry ice takes place freezes phenomenon in one-level high-pressure separator 1 and secondary atmospheric separator 2, three separator outsides all have heating and muff in advance, with anti-clogging plug.
The utility model is particularly suitable in the continous way high-density carbonic anhydride disinfection device CO2 being reclaimed and anti-freeze is stopped up, and the invention will be further described below with reference to concrete operations embodiment:
Embodiment: the continous way high-density CO 2 is handled CO in the Sucus Mali pumilae 2Removal process
1. the last liquid level of setting two liquidometers is 200mm, and following liquid level is 50mm; Separator muff temperature is 25 ℃, is 10MPa by pressure in the back pressure valve control one-level high-pressure separator.
2. flash trapping stage: through Sucus Mali pumilae and the CO after the germicidal treatment 2Mixture enters the one-level high-pressure separator to be separated for the first time.In separator, gas-liquid mixture constantly separates in the process that flows to the separator bottom, CO 2Constantly flow out to three grades of atmospheric pressure reflux separators to the diffusion of separator top and by outlet, and the CO of Sucus Mali pumilae and small amount of residual 2Then be deposited on the separator bottom, when liquid level reached 200mm in the separator, magnetic valve was opened automatically, the CO of Sucus Mali pumilae and small amount of residual 2Discharged by outlet at bottom, and be transported to the secondary atmospheric separator by connecting tube, liquid level then temporarily stops to discharge to 50mm in separator.The muff of separator outside in time heats up, is incubated, and guarantees CO 2Do not form dry ice, do not freeze.
3. secondary separates: CO 2In three grades of atmospheric pressure reflux separators, through separating once more, dispeling the wherein Sucus Mali pumilae of small amount of residual, and flow out, reclaim with pending filtration impurity elimination by three grades of atmospheric pressure reflux separator top exits; The CO of Sucus Mali pumilae and small amount of residual 2Carry out secondary separation at the secondary atmospheric separator, when the Sucus Mali pumilae after the separation ran up to liquid level and reaches 200mm in separator, magnetic valve was opened automatically, discharged Sucus Mali pumilae and dropped to 50mm until liquid level; The Sucus Mali pumilae of discharging enters the aseptic canning system.
4.CO 2Purify and reclaim: isolated CO from three grades of normal pressure separators 2Enter strainer, be recovered into the cooling liquid device after in strainer, dispeling moisture, impurity and unpleasant odor, enter next the backflow and handle Sucus Mali pumilae.
It should be noted that at last: above embodiment only in order to the explanation the utility model and and the described technical scheme of unrestricted the utility model; Therefore, although this specification sheets has been described in detail the utility model with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the utility model; And all do not break away from the technical scheme and the improvement thereof of spirit and scope of the present utility model, and it all should be encompassed in the middle of the claim scope of the present utility model.

Claims (7)

1, a kind of CO 2The device that recovery and anti-stagnant ice are stifled, comprise: the one-level high-pressure separator, it is characterized in that, this one-level high-pressure separator has muff, link to each other with the outlet of the lower end of this one-level high-pressure separator and to be connected to a secondary atmospheric separator, linking to each other with the outlet of the upper end of this one-level high-pressure separator is connected to one three grades backflow normal pressure separators, and what be connected with these three grades of backflow normal pressure separator outlets is strainer.
2, CO according to claim 1 2The device that recovery and anti-stagnant ice are stifled is characterized in that described one-level high-pressure separator is the high-pressure-resistant vessel that an outside has the heat tracing layer, and its top duct links to each other with a back pressure valve, makes CO 2Enter separator with the mixture of material and separate, the top communicates with three grades of backflow normal pressure separators by a passage; The bottom of one-level high-pressure separator has one to discharge the passage that separates the back material, and this passage leads to the top of secondary atmospheric separator.
3, CO according to claim 1 2The device that recovery and anti-stagnant ice are stifled is characterized in that described secondary atmospheric cyclone separator arrangement is identical with the structure of one-level high-pressure separator, and a discharge tube is arranged at its bottom, and its top-side has the passage of an emission gases.
4, according to claim 1 or 2 or 3 described CO 2The device that recovery and anti-stagnant ice are stifled, it is characterized in that, there is low temperature muff parcel the outside of described three grades of backflow normal pressure separators, there is a pipeline its inside, the upper end of this pipeline communicates with the top of one-level high-pressure separator, the lower end of this pipeline is provided with a three-way pipeline, and an outlet of this three-way pipeline is by the top exit of a pipeline that makes progress towards three grades of backflow normal pressure separators, and another outlet of this three-way pipeline connects blow-off valve.
5, CO according to claim 4 2The device that recovery and anti-stagnant ice are stifled is characterized in that described strainer is a stainless steel cylinder, and the filter cloth in order to filtering particle impurity all is equipped with at its two ends, and the weighting material of dispeling moisture and unpleasant odor is equipped with in its inside.
6, according to claim 1 or 2 or 3 described CO 2The device that recovery and anti-stagnant ice are stifled, it is characterized in that, bottom at one-level high-pressure separator and secondary atmospheric separator is separately installed with liquidometer, with liquidometer supporting be the magnetic valve of controlling the lower part outlet of one-level high-pressure separator and secondary atmospheric separator respectively.
7, according to claim 1 or 2 or 3 described CO 2The device that recovery and anti-stagnant ice are stifled is characterized in that described one-level high-pressure separator has glass vision panel.
CNU2008200807434U 2008-05-21 2008-05-21 Apparatus for recycling CO2 and preventing ice blockage Expired - Lifetime CN201284236Y (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105513661A (en) * 2016-01-15 2016-04-20 中国科学技术大学 Cleaning waste gas pressure swing adsorption purification and recycling method and device for fusion reactor hot room

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105513661A (en) * 2016-01-15 2016-04-20 中国科学技术大学 Cleaning waste gas pressure swing adsorption purification and recycling method and device for fusion reactor hot room

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Granted publication date: 20090805