CN206308021U - Carbon monoxide device in a kind of high efficiente callback acetate acid tail gas - Google Patents
Carbon monoxide device in a kind of high efficiente callback acetate acid tail gas Download PDFInfo
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- CN206308021U CN206308021U CN201621223794.9U CN201621223794U CN206308021U CN 206308021 U CN206308021 U CN 206308021U CN 201621223794 U CN201621223794 U CN 201621223794U CN 206308021 U CN206308021 U CN 206308021U
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Abstract
The utility model belongs to industrial waste gas recycling field, is related to carbon monoxide device in a kind of high efficiente callback acetate acid tail gas.The appliance arrangement includes eparating methanol tower（1）, PSA absorbing units group, CO gas tanks（3）, rinse pneumatic transmission blower fan（4）, vavuum pump（5）, it is characterised in that eparating methanol tower（1）, PSA absorbing units group, CO gas tanks（3）It is sequentially connected, PSA absorbing units are external to rinse pneumatic transmission blower fan（4）, vavuum pump（5）, described PSA absorbing unit groups are by slightly carrying adsorption tower（2‑1）, two sections of adsorption towers（2‑2）, three sections of adsorption towers（2‑3）, fine purifiation tower（2‑4）Link successively is constituted.PSA absorbing units of the present utility model can to adsorb realize step by step more and CO is isolated and purified, and the utility model has that simple to operate, energy consumption is low, reduced investment, the low feature of operating cost.
Description
Technical field
The utility model belongs to industrial waste gas recycling field, is related to carbon monoxide in a kind of high efficiente callback acetate acid tail gas
Device.
Background technology
Industry fast development cause energy resource consumption especially oil, coal and natural gas consumption increase severely, air pollution
It is increasingly serious therewith.There is the penetrability of height due to carbon monoxide isothermal chamber gas to the visible ray from solar radiation, and
There is the absorbability of height to the long-wave radiation that the earth is reflected, the infrared ray in terrestrial surface radiation can be strongly absorbed, that is,
" greenhouse effects " often said, the aggravation of this effect result in global warming.The consequence of global warming, can make Global Precipitation
Amount is redistributed, and glacier and frozen soil melt, and sea level rise, has both endangered the balance of natural ecosystems, more threatened the mankind
Food supply and living environment.The toxicity of CO is very strong, when the gas containing CO is sucked, can cause headache, dizzy, chest
It is vexed, in addition stupor, severe patient death.Carbon monoxide is the primary raw material of chemical industry synthesis simultaneously, and modern industry is developed rapidly,
Carbon monoxide, the utilization of carbon dioxide are increasingly valued by people, and many countries are all in research carbon dioxide, an oxidation
Carbon is comprehensively utilized as potential carbon resource.Early in the 1830's, China begins to use carbon dioxide, carbon monoxide
In aspects such as anthropogenics, fire extinguishing, refrigeration, metal coating welding, manufacture fizz, sterilizings.Therefore, remove, return
Receive and extremely important using carbon dioxide and carbon monoxide.
The separation of carbon monoxide mainly has four classes：The first kind is using Cosorb methods, using complex solution agent selectivity
Carbon monoxide is absorbed, then carbon monoxide product is obtained by heating parsing, because the part in unstripped gas constitutes meeting and complexing solvent
Reaction, makes it decline CO absorbabilities and even fails, therefore needs strict pretreatment, and harmful constituent is removed.Washing rich solution adds
A small amount of toluene vapor and chlorion are carried in the CO that pyrolysis is separated out, in addition it is also necessary to increase subsequent treatment operation, the method is invested and transported
Row expense is all higher and there is problem of environmental pollution；Equations of The Second Kind is to use gaseous jet simulation, using the dissolving and expansion of gas with various
It is principle to dissipate speed difference, but carbon monoxide and nitrogen, argon gas and methane this several gas dissolving and diffusion rate difference compared with
Small, the method limits the concentration of carbon monoxide；3rd class is using pressure swing adsorption method (PSA), using the absorption property of adsorbent
The impurity composition in gaseous mixture is removed, method carbonomonoxide concentration in unstripped gas is relatively low or relatively has excellent during less gaseous component
Gesture；4th class is separation by deep refrigeration, is also at present using more separation method, using different material in different pressures, difference
At a temperature of phase change separated, the method treating capacity is big, product gas quality is high, and high income equally investment is with energy consumption phase relatively
It is high.
The content of the invention
The purpose of this utility model is directed to that the existing equipment rate of recovery is low, it is not high to construct gas purity cumbersome, obtain
Deng not enough, there is provided carbon monoxide device in a kind of high efficiente callback acetate acid tail gas.
Scheme of the present utility model is by being achieved in that：
Carbon monoxide device in a kind of high efficiente callback acetate acid tail gas, it is single that the appliance arrangement includes that eparating methanol tower 1, PSA is adsorbed
Tuple, CO gas tanks 3, flushing pneumatic transmission blower fan 4, vavuum pump 5, it is characterised in that eparating methanol tower 1, PSA absorbing units group, CO storages
Gas tank 3 is sequentially connected, and PSA absorbing units are external to rinse pneumatic transmission blower fan 4, vavuum pump 5, and described PSA absorbing units group is by slightly carrying
Adsorption tower 2-1, two sections of adsorption tower 2-2, three sections of adsorption tower 2-3, fine purifiation tower 2-4 link composition successively.
Used as further restriction of the present utility model, the described thick adsorption tower 2-1 that carries is that filling is to carry with activated alumina
Body loads the adsorption tower of sulfurous acid copper adsorbent.
Used as further restriction of the present utility model, two sections of described adsorption tower 2-2 are filling with porous resin as carrier
Load the adsorption tower of sulfurous acid copper adsorbent.
Used as further restriction of the present utility model, three sections of described adsorption tower 2-3 are negative by carrier of activated carbon to fill
Carry the adsorption tower of sulfurous acid copper adsorbent.
Used as further restriction of the present utility model, described fine purifiation tower 2-4 is to carry to fill with HZSM-5 types molecular sieve
Body loads the adsorption tower of sulfurous acid copper adsorbent.The preparation method of HZSM-5 type molecular sieve carriers is：By 4mol waterglass and
The sodium metaaluminate of 0.05mol is dissolved in the deionized water of 250mol, strong stirring 20min, it is fully dissolved, and adds 0.6mol
N-butylamine and ethylenediamine（Molal quantity 1:1）, 30min is stirred, sulfuric acid regulation solution pH=11 is used, being subsequently adding mass fraction is
2% lanthanum nitrate, adds baking oven to evaporate 5h at 100 DEG C gained mixed solution and obtains concentrated gel material, by concentrated gel material
Sealing, the crystallization 10h in 150 DEG C of crystallizing kettles carries out filtration washing and drying to sample, and 600 DEG C of roasting 6h are obtained HZSM-5 types
Molecular sieve carrier.
To make the utility model disclose fully, filling is loaded with the load of stannous chloride in each adsorption tower in PSA absorbing units
Body adsorbent vacuumizes mode and carries out desorption and regeneration using step-down.Each adsorption tower alternately experiences four step primary operational processes：Fill
Pressure, absorption, CO are forward rinsed, inversely evacuated.Process condition is：50~80 DEG C of unstripped gas temperature, pressure 0.1~
0.15MPa, CO are recovered under reduced pressure 6~13kPa of pressure, 12~20min of sorption cycle cycle, rinse gas ratio and (rinse tolerance/unstripped gas
Amount) 0.3~0.7.
Substantive distinguishing features of the present utility model and marked improvement are：Device production scale is up to 500Nm3/ h, recovery is obtained
CO product purities be more than 99.2%, the rate of recovery be more than 87%.Selection energy of adsorption of the utility model PSA absorbing units to CO
Power is significantly larger than in carbon dioxide, and adsorbance is big, absorption property stabilization, can to adsorb realize step by step more CO is isolated and purified,
With simple to operate, energy consumption is low, reduced investment, the low feature of operating cost.
Brief description of the drawings
Fig. 1 the utility model carbon monoxide retracting device structural representations.1：Eparating methanol tower；2-1：Slightly carry adsorption tower；2-
2：Two sections of adsorption towers；2-3：Three sections of adsorption towers；2-4 fine purifiation towers；3：CO gas tanks；4：Rinse pneumatic transmission blower fan；5：Vavuum pump.
Specific embodiment
Embodiment 1.
The appliance arrangement includes eparating methanol tower 1, PSA absorbing units group, CO gas tanks 3, flushing pneumatic transmission blower fan 4, vavuum pump
5, eparating methanol tower 1, PSA absorbing units group, CO gas tanks 3 are sequentially connected, and PSA absorbing units are external to rinse pneumatic transmission blower fan 4, vacuum
Pump 5, described PSA absorbing units group is by slightly carrying adsorption tower 2-1, two sections of adsorption tower 2-2, three sections of adsorption tower 2-3, fine purifiation tower 2-4
Link successively is constituted.The thick adsorption tower 2-1 that carries is to fill with the adsorption tower that activated alumina is carrier loaded sulfurous acid copper adsorbent,
Two sections of adsorption tower 2-2 are to fill with the adsorption tower that porous resin is carrier loaded sulfurous acid copper adsorbent, and three sections of adsorption tower 2-3 are
Filling is filling with HZSM-5 type molecular sieves with the adsorption tower that activated carbon is carrier loaded sulfurous acid copper adsorbent, fine purifiation tower 2-4
It is the adsorption tower of carrier loaded sulfurous acid copper adsorbent.
Each of the above adsorption tower alternately experiences four step primary operational processes：Pressurising, absorption, CO are forward rinsed, inversely evacuated.
Process condition is：50~80 DEG C of unstripped gas temperature, pressure 0.1~0.15MPa, CO are recovered under reduced pressure 6~13kPa of pressure, inhale
Attached 12~20min of cycle period, rinses gas ratio (rinsing tolerance/material gas quantity) 0.3~0.7.
The present embodiment device production scale is up to 500Nm3/ h, the CO product purities that recovery is obtained are more than 99.2%, are returned
Yield is more than 87%.
Claims (5)
1. a kind of carbon monoxide device in high efficiente callback acetate acid tail gas, the appliance arrangement includes eparating methanol tower（1）, PSA absorption it is single
Tuple, CO gas tanks（3）, rinse pneumatic transmission blower fan（4）, vavuum pump（5）, it is characterised in that eparating methanol tower（1）, PSA absorbing units
Group, CO gas tanks（3）It is sequentially connected, PSA absorbing units are external to rinse pneumatic transmission blower fan（4）, vavuum pump（5）, described PSA absorption
Unit group is by slightly carrying adsorption tower（2-1）, two sections of adsorption towers（2-2）, three sections of adsorption towers（2-3）, fine purifiation tower（2-4）Link-group successively
Into.
2. carbon monoxide device in high efficiente callback acetate acid tail gas according to claim 1, it is characterised in that described thick to carry
Adsorption tower（2-1）To fill with adsorption tower that activated alumina is carrier loaded sulfurous acid copper adsorbent.
3. carbon monoxide device in high efficiente callback acetate acid tail gas according to claim 1, it is characterised in that described two sections
Adsorption tower（2-2）To fill with adsorption tower that porous resin is carrier loaded sulfurous acid copper adsorbent.
4. carbon monoxide device in high efficiente callback acetate acid tail gas according to claim 1, it is characterised in that described three sections
Adsorption tower（2-3）To fill with adsorption tower that activated carbon is carrier loaded sulfurous acid copper adsorbent.
5. carbon monoxide device in high efficiente callback acetate acid tail gas according to claim 1, it is characterised in that described fine purifiation
Tower（2-4）To fill with adsorption tower that HZSM-5 type molecular sieves are carrier loaded sulfurous acid copper adsorbent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621223794.9U CN206308021U (en) | 2016-11-15 | 2016-11-15 | Carbon monoxide device in a kind of high efficiente callback acetate acid tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621223794.9U CN206308021U (en) | 2016-11-15 | 2016-11-15 | Carbon monoxide device in a kind of high efficiente callback acetate acid tail gas |
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| Publication Number | Publication Date |
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| CN206308021U true CN206308021U (en) | 2017-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN (1) | CN206308021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106315583A (en) * | 2016-11-15 | 2017-01-11 | 广西新天德能源有限公司 | Device for efficiently recovering carbon monoxide in acetic acid tail gas |
-
2016
- 2016-11-15 CN CN201621223794.9U patent/CN206308021U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106315583A (en) * | 2016-11-15 | 2017-01-11 | 广西新天德能源有限公司 | Device for efficiently recovering carbon monoxide in acetic acid tail gas |
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