CN208145753U - A kind of desulfurizer of purifying carbon dioxide - Google Patents
A kind of desulfurizer of purifying carbon dioxide Download PDFInfo
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- CN208145753U CN208145753U CN201820430083.1U CN201820430083U CN208145753U CN 208145753 U CN208145753 U CN 208145753U CN 201820430083 U CN201820430083 U CN 201820430083U CN 208145753 U CN208145753 U CN 208145753U
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- adsorbent bed
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Abstract
The utility model discloses a kind of desulfurizers of purifying carbon dioxide, the device includes compressor, adsorbent bed mould group, electric heater, cooler, desulfurizing tower, centrifuge, regeneration tank and solution tank, the air inlet of the compressor connects CO 2 raw material gas delivery end, the air inlet of the gas outlet connection adsorbent bed mould group of the compressor, the external regeneration gas of the air inlet of the electric heater, the regeneration gas entrance of the gas outlet connection adsorbent bed mould group of the electric heater, the air inlet of the regeneration gas outlet connection cooler of the adsorbent bed mould group, the gas outlet of the cooler connects desulfurizing tower bottom air inlet, the liquid outlet of the desulfurization tower bottom is successively through centrifuge, regeneration tank and solution tank return to the cleaning solution entrance of desulfurizing tower.The utility model uses three temperature swing adsorption process, achievees the effect that deep desulfuration, desulfidation tail gas can reach environmental emission requirement through further wet-treating.Reduce the pollution to environment.
Description
Technical field
The utility model relates to gas purification technology fields, and in particular to a kind of desulfurizer of purifying carbon dioxide, it can
Purification for gas for the sulfide containing low concentration.
Background technique
With the fast development of modern industry, the environment situation that the world today faces is more and more severeer.Carbon dioxide conduct
A kind of important industry byproduct all can be discharged largely into atmosphere every year, Global Greenhouse Effect is caused to be increasingly sharpened.By two
Carbonoxide is used as raw material, can be widely applied to the fields such as industry, agricultural, food, medicine, fine chemistry industry.Carbon dioxide source is wide
It is general, it is cheap, higher economic benefit can be brought, the integrated application of carbon dioxide is more and more paid attention to, respectively
State increases the investment of carbon recycling.
The carbon dioxide of commercial recovery often contains a large amount of sulfide impurities, and the industries such as food, electronics are to titanium dioxide
Carbon purity it is more demanding, purifying technique is most important.Industrial common desulfurization technology have wet desulphurization, dry desulfurization,
Semi-dry desulphurization, absorption method etc., wherein absorption method is suitable for the removing process of low concentration sulfur-containing impurities gas, can be by gaseous sulfide
Content is reduced to 10-6Grade is hereinafter, however the acid sulphur impurity taken out of during adsorbent reactivation is directly discharged to meeting in air
Acid rain is generated, environment is polluted.Wet desulphurization is industrially to be usually used in the method for tail gas desulfurization, and technical maturity is easy to operate, can
By sulfur-containing tail gas processing to environmental requirement concentration hereinafter, however it is not suitable for deep desulfuration.
Summary of the invention
The goal of the invention of the utility model is to provide a kind of desulfurizer of purifying carbon dioxide, using three temp.-changing adsorptions
Technique achievees the effect that deep desulfuration, desulfidation tail gas can reach environmental emission requirement through further wet-treating.It reduces to ring
The pollution in border.
To achieve the above object of the invention, the technical solution adopted in the utility model is：A kind of desulfurization of purifying carbon dioxide
Device, including compressor, adsorbent bed mould group, electric heater, cooler, desulfurizing tower, centrifuge, regeneration tank and solution tank,
The air inlet of the compressor connects CO 2 raw material gas delivery end, and the gas outlet of the compressor connects absorption
The gas outlet of the air inlet of bed mould group, the external regeneration gas of the air inlet of the electric heater, the electric heater connects adsorbent bed
The regeneration gas entrance of mould group, the air inlet of the regeneration gas outlet connection cooler of the adsorbent bed mould group, the cooler go out
Port connects desulfurizing tower bottom air inlet, and the liquid outlet of the desulfurization tower bottom is connected to the inlet of centrifuge, the centrifugation
The liquid outlet of machine is connected to the inlet of regeneration tank, and the liquid outlet of the regeneration tank is connected to the inlet of solution tank, described molten
A circulating pump is equipped in liquid bath, the outlet tube road of the circulating pump is connected to the cleaning solution entrance of desulfurizing tower.
In above-mentioned technical proposal, the adsorbent bed mould group includes the first adsorbent bed being arranged in parallel, the second adsorbent bed and
Three adsorbent beds,
The air inlet of the air inlet of first adsorbent bed, the air inlet of the second adsorbent bed and third adsorbent bed respectively as
Three branches of the air inlet of adsorbent bed mould group,
The gas outlet of the gas outlet of first adsorbent bed, the gas outlet of the second adsorbent bed and third adsorbent bed respectively as
Three branches of the gas outlet of adsorbent bed mould group.
The regeneration gas of the regeneration gas entrance of first adsorbent bed, the regeneration gas entrance of the second adsorbent bed and third adsorbent bed
Entrance respectively as the regeneration gas entrance of adsorbent bed mould group three branches,
The regeneration gas of regeneration gas outlet, the regeneration gas outlet and third adsorbent bed of the second adsorbent bed of first adsorbent bed
Export three branches of the regeneration gas outlet respectively as adsorbent bed mould group.
In above-mentioned technical proposal, when first adsorbent bed is in adsorbed state, second adsorbent bed and third absorption
Bed is in reproduced state.
Since above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：
The utility model combines temp.-changing adsorption desulfurization technology with Wet Flue Gas Desulfurization Technique, has both realized high-purity titanium dioxide
Requirement of the carbon for sulfide in impurity, and sulfur-bearing regeneration gas vent gas treatment is inhaled to environmental emission requirement using three alternating temperatures
Attached adsorption efficiency with higher, the resulting calcium sulphate solid of regeneration gas wet desulphurization is recyclable, and simple process, cost is relatively low,
Non-environmental-pollution is suitably applied industrialization large-scale production.
Detailed description of the invention
Fig. 1 is the apparatus structure schematic diagram of the utility model embodiment one.
Wherein：1, compressor；2, adsorbent bed mould group；3, electric heater；4, cooler；5, desulfurizing tower；6, centrifuge；7, again
Raw slot；8, solution tank；9, the first adsorbent bed；10, the second adsorbent bed；11, third adsorbent bed.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments：
Embodiment one：
It is shown in Figure 1, a kind of desulfurizer of purifying carbon dioxide, including compressor 1, adsorbent bed mould group 2, electric heating
Device 3, cooler 4, desulfurizing tower 5, centrifuge 6, regeneration tank 7 and solution tank 8,
The air inlet of the compressor connects CO 2 raw material gas delivery end, and the gas outlet of the compressor connects absorption
The gas outlet of the air inlet of bed mould group, the external regeneration gas of the air inlet of the electric heater, the electric heater connects adsorbent bed
The regeneration gas entrance of mould group, the air inlet of the regeneration gas outlet connection cooler of the adsorbent bed mould group, the cooler go out
Port connects desulfurizing tower bottom air inlet, and the liquid outlet of the desulfurization tower bottom is connected to the inlet of centrifuge, the centrifugation
The liquid outlet of machine is connected to the inlet of regeneration tank, and the liquid outlet of the regeneration tank is connected to the inlet of solution tank, described molten
A circulating pump is equipped in liquid bath, the outlet tube road of the circulating pump is connected to the cleaning solution entrance of desulfurizing tower.
In the present embodiment, the adsorbent bed mould group includes the first adsorbent bed 9, the second adsorbent bed 10 and third being arranged in parallel
Adsorbent bed 11,
The air inlet of the air inlet of first adsorbent bed, the air inlet of the second adsorbent bed and third adsorbent bed respectively as
Three branches of the air inlet of adsorbent bed mould group,
The gas outlet of the gas outlet of first adsorbent bed, the gas outlet of the second adsorbent bed and third adsorbent bed respectively as
Three branches of the gas outlet of adsorbent bed mould group.
The regeneration gas of the regeneration gas entrance of first adsorbent bed, the regeneration gas entrance of the second adsorbent bed and third adsorbent bed
Entrance respectively as the regeneration gas entrance of adsorbent bed mould group three branches,
The regeneration gas of regeneration gas outlet, the regeneration gas outlet and third adsorbent bed of the second adsorbent bed of first adsorbent bed
Export three branches of the regeneration gas outlet respectively as adsorbent bed mould group.
When first adsorbent bed is in adsorbed state, second adsorbent bed and third adsorbent bed are in reproduced state.
CO 2 raw material gas is compressed to 2Mpa by the compressor, and the purity of the CO 2 raw material gas is 96%.
Sulfur-containing impurities in the CO 2 raw material gas include hydrogen sulfide, sulfur dioxide, carbonyl sulfur, carbon disulfide etc.,
Its total content is less than or equal to 100ppm.
Regeneration gas is heated to 450 DEG C by the electric heater.
Contain the adsorbents such as removing hydrogen sulfide, sulfur dioxide, carbonyl sulfur, carbon disulfide in the adsorbent bed mould group, these
Adsorbent is strip or spherical particle, and partial size is 2 ~ 5mm, and different adsorbents are filled in order in each adsorbent bed, reaches desulfurization
Effect.
Cleaning solution in the desulfurizing tower is calcium-based desulfurization liquid.
Cleaning solution in the regeneration tank is passed through solution tank after calcium alkali neutralization, is pumped by circulating pump and is realized into desulfurizing tower
It recycles.
It is as shown in table 1 by the sulfur content in the CO 2 raw material gas before and after three temp.-changing adsorptions of the utility model：
The variation of sulfur-containing impurities before and after 1 pressure-variable adsorption of table
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.A variety of modifications of above-described embodiment will be readily apparent to those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to above-described embodiment shown in this article, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (3)
1. a kind of desulfurizer of purifying carbon dioxide, it is characterised in that：Including compressor, adsorbent bed mould group, electric heater, cold
But device, desulfurizing tower, centrifuge, regeneration tank and solution tank,
The air inlet of the compressor connects CO 2 raw material gas delivery end, and the gas outlet of the compressor connects adsorbent bed mould
The gas outlet of the air inlet of group, the external regeneration gas of the air inlet of the electric heater, the electric heater connects adsorbent bed mould group
Regeneration gas entrance, the adsorbent bed mould group regeneration gas outlet connection cooler air inlet, the gas outlet of the cooler
Desulfurizing tower bottom air inlet is connected, the liquid outlet of the desulfurization tower bottom is connected to the inlet of centrifuge, the centrifuge
Liquid outlet is connected to the inlet of regeneration tank, and the liquid outlet of the regeneration tank is connected to the inlet of solution tank, the solution tank
It is inside equipped with a circulating pump, the outlet tube road of the circulating pump is connected to the cleaning solution entrance of desulfurizing tower.
2. the desulfurizer of purifying carbon dioxide according to claim 1, it is characterised in that：The adsorbent bed mould group includes
The first adsorbent bed, the second adsorbent bed and the third adsorbent bed being arranged in parallel,
The air inlet of the air inlet of first adsorbent bed, the air inlet of the second adsorbent bed and third adsorbent bed is respectively as absorption
Three branches of the air inlet of bed mould group,
The gas outlet of the gas outlet of first adsorbent bed, the gas outlet of the second adsorbent bed and third adsorbent bed is respectively as absorption
Three branches of the gas outlet of bed mould group,
The regeneration gas entrance of the regeneration gas entrance of first adsorbent bed, the regeneration gas entrance of the second adsorbent bed and third adsorbent bed
Respectively as three branches of the regeneration gas entrance of adsorbent bed mould group,
The regeneration gas of the regeneration gas outlet of first adsorbent bed, the regeneration gas outlet of the second adsorbent bed and third adsorbent bed exports
Respectively as three branches of the regeneration gas outlet of adsorbent bed mould group.
3. the desulfurizer of purifying carbon dioxide according to claim 2, it is characterised in that：First adsorbent bed is in
When adsorbed state, second adsorbent bed and third adsorbent bed are in reproduced state.
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| CN201820430083.1U CN208145753U (en) | 2018-03-28 | 2018-03-28 | A kind of desulfurizer of purifying carbon dioxide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211750A (en) * | 2018-03-28 | 2018-06-29 | 昆山金宏二氧化碳有限公司 | The desulfurizer and method of a kind of purifying carbon dioxide |
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2018
- 2018-03-28 CN CN201820430083.1U patent/CN208145753U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211750A (en) * | 2018-03-28 | 2018-06-29 | 昆山金宏二氧化碳有限公司 | The desulfurizer and method of a kind of purifying carbon dioxide |
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