CN106946225A - A kind of fluidized bed plant and method for producing chlorine monoxide - Google Patents
A kind of fluidized bed plant and method for producing chlorine monoxide Download PDFInfo
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- CN106946225A CN106946225A CN201710357446.3A CN201710357446A CN106946225A CN 106946225 A CN106946225 A CN 106946225A CN 201710357446 A CN201710357446 A CN 201710357446A CN 106946225 A CN106946225 A CN 106946225A
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- Prior art keywords
- fluidized
- chlorine
- solid
- bed reactor
- bed
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- NHYCGSASNAIGLD-UHFFFAOYSA-N Chlorine monoxide Chemical compound Cl[O] NHYCGSASNAIGLD-UHFFFAOYSA-N 0.000 title claims abstract description 191
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 239000007787 solid Substances 0.000 claims abstract description 90
- 239000000460 chlorine Substances 0.000 claims abstract description 89
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 88
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 87
- 238000006243 chemical reaction Methods 0.000 claims abstract description 81
- WJEIYVAPNMUNIU-UHFFFAOYSA-N [Na].OC(O)=O Chemical compound [Na].OC(O)=O WJEIYVAPNMUNIU-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000000926 separation method Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 182
- 239000007789 gas Substances 0.000 claims description 120
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 94
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 91
- 239000011780 sodium chloride Substances 0.000 claims description 47
- 239000008246 gaseous mixture Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 26
- 239000012530 fluid Substances 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 16
- 238000010924 continuous production Methods 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical group [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical group [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 238000005243 fluidization Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 229910000019 calcium carbonate Chemical group 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 230000036632 reaction speed Effects 0.000 claims 1
- 239000003960 organic solvent Substances 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 69
- 239000000047 product Substances 0.000 description 32
- 238000003860 storage Methods 0.000 description 9
- 239000012267 brine Substances 0.000 description 7
- 239000006227 byproduct Substances 0.000 description 7
- 230000003247 decreasing effect Effects 0.000 description 7
- RCJVRSBWZCNNQT-UHFFFAOYSA-N dichloridooxygen Chemical compound ClOCl RCJVRSBWZCNNQT-UHFFFAOYSA-N 0.000 description 7
- 230000005484 gravity Effects 0.000 description 7
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 239000012266 salt solution Substances 0.000 description 7
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 7
- 239000000376 reactant Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 231100000004 severe toxicity Toxicity 0.000 description 3
- 150000003385 sodium Chemical class 0.000 description 3
- 239000011343 solid material Substances 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 125000003963 dichloro group Chemical group Cl* 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000474 mercury oxide Inorganic materials 0.000 description 2
- UKWHYYKOEPRTIC-UHFFFAOYSA-N mercury(ii) oxide Chemical compound [Hg]=O UKWHYYKOEPRTIC-UHFFFAOYSA-N 0.000 description 2
- 239000012265 solid product Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- -1 5.1wt% Chemical compound 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012320 chlorinating reagent Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- MQRJBSHKWOFOGF-UHFFFAOYSA-L disodium;carbonate;hydrate Chemical compound O.[Na+].[Na+].[O-]C([O-])=O MQRJBSHKWOFOGF-UHFFFAOYSA-L 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000000622 irritating effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002730 mercury Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/02—Oxides of chlorine
- C01B11/021—Chlorine hemioxide (Cl2O)
Abstract
The present invention relates to a kind of fluidized bed plant and method for producing chlorine monoxide.The fluidized bed plant includes：Fluidized-bed reactor, including gas access, solid inlet and product exit；Cyclone separator, entrance is connected with the product exit of the fluidized-bed reactor.The method for producing chlorine monoxide using fluidized bed plant comprises the following steps：The stage of reaction：Mixed gas containing chlorine is passed through in fluidized-bed reactor, and makes the mixed gas containing chlorine by the aqueous carbonic acid sodium in fluidized state to be reacted, obtains carrying the gaseous product of solid；Separation phase：By cyclone separator, the solid in the gaseous product of the carrying solid for the fluidized bed reactor that flows automatically in the future is separated, and obtains the gas containing chlorine monoxide.Chlorine monoxide is produced using the fluidized bed plant of the present invention, avoids using water and organic solvent by gas-solid reaction, has saved water resource, it is to avoid environment is polluted, no waste water is produced, environment protecting and power-saving.
Description
Technical field
The invention belongs to chemical products production field, more particularly to a kind of fluidized bed plant for producing chlorine monoxide and side
Method.
Background technology
Chlorine monoxide, molecular formula Cl2It is brown color gas under O, molecular weight 86.91, CAS 7791-21-1, normal temperature and pressure
Body, is hypochlorous acid anhydrides, yellowish red color irritative gas or rufous liquid, can be dissolved in carbon tetrachloride and preserve, main to use
Make strong oxidizer, chlorinating agent etc..
At present, have following two due to preparing the method for chlorine monoxide：
1. chlorine monoxide, i.e. HgO+2Cl can be made with freshly prepd yellow mercury oxide and chlorine reaction2→Cl2O+
HgCl2In this approach, there is not severe toxicity using only reactant mercury oxide, the side product chlorinated mercury of generation also has severe toxicity, therefore
This method is only applicable to laboratory and prepared in a small amount, is not suitable for industrialized production.
2. being reacted to produce with moist sodium carbonate with chlorine, make chlorine with given pace by solid sodium carbonate powder,
Produce Cl2O and CO2Mixed gas.The embodiment that reported document records this process has certain defect, has
A little particle diameter to participating in the sodium carbonate of reaction be there are certain requirements, and some use level fixed beds are tested, during reaction chlorine with
The sodium chloride layers of sodium carbonate reaction generation are hardened, hinder chlorine to continue to react with sodium carbonate, cause sodium carbonate conversion ratio low, and
The sodium chloride of generation and unreacted sodium carbonate are difficult to separate, cause unreacted sodium carbonate can not reuse, formed the wasting of resources.
In consideration of it, being badly in need of the fluidized bed plant and method of a kind of efficient production chlorine monoxide, to meet industrial production need
Will.
The content of the invention
In view of the shortcomings of the prior art, an object of the present invention is to provide a kind of fluid bed for producing chlorine monoxide
Device.The fluidized bed plant includes fluidized-bed reactor and cyclone separator.In a fluidized bed reactor, solid reactant carbonic acid
On the one hand sodium and solid by-product sodium chloride improve the contact area of chlorine and sodium carbonate, the opposing party all in flow regime
Face solves the problem of sodium chloride generated in chlorine and sodium carbonate course of reaction is hardened, so that the conversion ratio of sodium carbonate is obtained
Improve；Further, since being in flow regime all the time during the reaction of solid reactant sodium carbonate, can fully it be contacted with chlorine, so
Sodium carbonate particle diameter is not required to make particular/special requirement.Present invention preferably uses two stage cyclone separator：By the gas containing chlorine monoxide
And the solid reactant sodium carbonate and side product chlorinated sodium of gas carrying are separated by two stage cyclone separator, not only may be used
To realize gas solid separation, the separation of solid reactant sodium carbonate and side product chlorinated sodium can also be realized.Therefore, stream of the invention
Change when bed apparatus solves chlorine and sodium carbonate progress gas-solid reaction and react the problem of sodium chloride layers generated are hardened, also improve carbon
The conversion ratio of sour sodium, it is possible to rapidly and efficiently carried the gas containing chlorine monoxide, the gas by two stage cyclone separator
Sodium chloride and solid reactant sodium carbonate three separated, and recycle and reuse sodium carbonate saves resource, environmental protection
Energy-conservation, and the sodium carbonate particle diameter no requirement (NR) that device of the invention is reacted participation, are more easily implemented industrialized production.
It is a further object to provide a kind of method that chlorine monoxide is produced using above-mentioned fluidized bed plant.Should
Method carries out gas-solid reaction production chlorine monoxide with fluidized bed plant, it is to avoid uses a large amount of water and organic solvent, has saved water
Resource, it is to avoid polluted to environment, no waste water is produced, environment protecting and power-saving.
The purpose of the present invention is achieved through the following technical solutions：
A kind of fluidized bed plant for producing chlorine monoxide, including：
Fluidized-bed reactor, including gas access, solid inlet and product exit；The fluidized-bed reactor is used for chlorine
With the gas-solid reaction of sodium carbonate；
Cyclone separator, entrance is connected with the product exit of the fluidized-bed reactor, for from from the fluid bed
Solid is isolated in the gaseous product of the carrying solid of reactor.
In above-mentioned fluidized bed plant, as a kind of preferred embodiment, distribution grid is set in the fluidized-bed reactor,
The distribution grid is carbon steel sheet or core plate, and the blast cap aperture of the distribution grid is selected with non-leakage solid sodium carbonate and sodium chloride
For standard.
In above-mentioned fluidized bed plant, as a kind of preferred embodiment, the cyclone separator includes：One cyclonic point
From device, entrance is connected with the product exit of the fluidized-bed reactor, for solid from the carrying from the fluidized-bed reactor
Solid sodium chloride is isolated in the gaseous product of body；And secondary cyclone, entrance and the primary cyclone
Gas vent is connected, for isolating aqueous carbonic acid from the gaseous product of the carrying solid from the primary cyclone
Sodium solid；The solid outlet of the secondary cyclone is connected with the solid inlet of the fluidized-bed reactor, for by institute
The aqueous carbonic acid sodium solid that secondary cyclone isolates is stated to return in the fluidized-bed reactor as reaction raw materials.More
Preferably, the fluidized bed plant also includes air-introduced machine, and entrance is connected with the gas vent of the secondary cyclone, is used for
Draw the gas after being handled through the secondary cyclone.
In above-mentioned fluidized bed plant, as a kind of preferred embodiment, the fluidized bed plant also includes mixing chamber, with
The gas access connection of the fluidized-bed reactor, for providing the mixed gas containing chlorine into the fluidized-bed reactor.
Preferably, the mixed gas containing chlorine is the gaseous mixture of air and chlorine.It is highly preferred that the fluidized bed plant also includes
Compressor, outlet is connected by pipeline with the mixing chamber entrance, for providing compressed air to the mixing chamber.It is further excellent
Selection of land, the pipeline is cooling pipeline, the temperature for reducing compressed air.
In above-mentioned fluidized bed plant, as a kind of preferred embodiment, the fluidized bed plant also includes cooler, if
The outside of the fluidized-bed reactor is placed in, the temperature for controlling the fluidized-bed reactor.
A kind of method that chlorine monoxide is produced using above-mentioned fluidized bed plant, is comprised the following steps：
The stage of reaction：Mixed gas containing chlorine is passed through in the fluidized-bed reactor, and makes the gaseous mixture containing chlorine
Body, to be reacted, obtains carrying the gaseous product of solid by the aqueous carbonic acid sodium in fluidized state；
Separation phase：By cyclone separator, by the gaseous product of the carrying solid from the fluidized-bed reactor
Solid separate, obtain the gas containing chlorine monoxide.
In the method for above-mentioned production chlorine monoxide, as a kind of preferred embodiment, also wrapped before the stage of reaction
The preparatory stage is included, it is specific as follows：First with 0.4m3/ min speed is passed through compressed air into the fluidized-bed reactor, waits to flow
After speed is stable, then by cooler control the temperature of the fluidized-bed reactor for 0 DEG C~25 DEG C (such as 2 DEG C, 5 DEG C, 8 DEG C, 10
℃、11℃、12℃、13℃、14℃、15℃、16℃、17℃、18℃、19℃、20℃、21℃、23℃、24℃、)；In this hair
In the method for open-birth production chlorine monoxide, the purpose for being first passed through air to fluidized-bed reactor is in order to fluidized-bed reactor is carried
Before keep up air, prevent sodium carbonate enter fluidized-bed reactor when directly hang over reactor surface.
In the method for above-mentioned production chlorine monoxide, a kind of preferred embodiment, in the stage of reaction, institute are used as
It is chlorine and the gaseous mixture of air to state the mixed gas containing chlorine；It is further preferred that the volume ratio of the chlorine and air is
1:2.22~7 (such as 1:2.5、1:3、1:4、1:5、1:6、1:6.5)；Inventor is determined using chlorine and sky by many experiments
The reason for gaseous mixture of gas, is as follows：On the one hand, be used alone chlorine when, according to reaction and device the need for set chlorine gas velocity
Relatively small, the gas velocity can not fluidize sodium carbonate, then now just equivalent to one fixed bed is anti-for fluidized-bed reactor
Device is answered, solid by-product sodium chloride layers can be caused hardened, and then successive reaction can not be realized；On the other hand, air is used as one kind
Natural material, wide material sources will not improve the production cost of chlorine monoxide.Therefore, the present invention uses the gaseous mixture containing chlorine
Body by fluidized-bed reactor fluidizes not only sodium carbonate, also solves the problem of solid by-product sodium chloride layers are hardened；In addition,
The present invention chlorine and air gaseous mixture can also by the gaseous mixture, nitrogen and chlorine of carbon dioxide and chlorine gaseous mixture,
The gaseous mixture of argon gas and chlorine etc. is other not to influence other gases of reaction and the gaseous mixture of chlorine to substitute.Preferably, it is described
Aqueous carbonic acid sodium be preferably water content be 5-10wt% sodium carbonate (such as 5.1wt%, 5.5wt%, 5.7wt%, 5.9wt%,
6wt%, 6.2wt%, 6.5wt%, 6.7wt%, 6.9wt%).The water content of the aqueous carbonic acid sodium of the present invention is further preferred
For 5-6wt%, in this preferred scope, the yield of chlorine monoxide is best, i.e. the conversion ratio highest of sodium carbonate, and sodium carbonate is aqueous
Product yield is too low when measuring too high, reacts slow when sodium carbonate water content is too low.
It is described in the stage of reaction as a kind of preferred embodiment in the method for above-mentioned production chlorine monoxide
The temperature of fluidized-bed reactor is 10 DEG C~15 DEG C (such as 11 DEG C, 12 DEG C, 13 DEG C, 14 DEG C), the mixed gas containing chlorine
Speed when being passed through the fluidized-bed reactor is 0.5~0.7m3/ min (such as 0.51m3/min、0.55m3/min、0.60m3/
min、0.65m3/min、0.69m3/ min), the water content of the aqueous carbonic acid sodium is 5-6wt%, and the temperature of reaction system does not surpass
Cross 25 DEG C (such as 24 DEG C, 22 DEG C, 20 DEG C, 18 DEG C, 15 DEG C, 13 DEG C, 10 DEG C, 8 DEG C, 5 DEG C)；Preferably, it is described mixed containing chlorine
The speed closed when gas is passed through fluidized-bed reactor is 0.60m3/min.When the mixed gas containing chlorine is passed through fluidized-bed reactor
Gas velocity it is too high when, gaseous mixture the fluidized-bed reactor holdup time it is too short cause reaction it is insufficient；The gas being passed through when gaseous mixture
When speed is too low, fluid effect is poor also to influence reaction rate, can also cause the hardened of side product chlorinated sodium layer, reduce sodium carbonate
Conversion ratio.Preferably, the temperature of the mixed gas containing chlorine is 10-15 DEG C (such as 11 DEG C, 12 DEG C, 13 DEG C, 14 DEG C),
The temperature that control mixed gas enters fluidized-bed reactor is to improve the conversion ratio of sodium carbonate.
In the method for above-mentioned production chlorine monoxide, as a kind of preferred embodiment, in the stage of reaction, when
When temperature of reaction system in the fluidized-bed reactor is begun to decline, show that reaction, now should be to the fluidisation close to terminal
Aqueous carbonic acid sodium is added in bed reactor, to realize the continuous production of chlorine monoxide.
In the method for above-mentioned production chlorine monoxide, as a kind of preferred embodiment, the separation phase is specifically wrapped
Include following steps：By primary cyclone, by the gaseous product of the carrying solid from the fluidized-bed reactor
The step of solid sodium chloride is separated；And by secondary cyclone, by taking from the primary cyclone
The step of aqueous carbonic acid sodium solid in gaseous product with solid is separated；Isolated through the secondary cyclone
The step of aqueous carbonic acid sodium solid returns to the fluidized-bed reactor.What is obtained after being separated through secondary cyclone contains an oxygen
Change and also contain carbon dioxide and air in the gas of dichloro.The gas containing chlorine monoxide enters storage system or entrance
Next step production process, without the gas containing chlorine monoxide is further separated, the other gas such as carbon dioxide of one side
With air can as chlorine monoxide protective gas, on the other hand, this mixed gas met industrial production needs.Pass through
The method recycles sodium carbonate, and then improves its conversion ratio, and the conversion ratio of sodium carbonate reaches 88-95%.
In the method for above-mentioned production chlorine monoxide, a kind of preferred embodiment, the primary cyclone are used as
Tolerance is 16-18m/s；The secondary cyclone tolerance is 12-14m/s.By setting the tolerance of cyclone separator can be with
Realize the separation of sodium chloride and sodium carbonate.
In the method for above-mentioned production chlorine monoxide, as a kind of preferred embodiment, the aqueous carbonic acid sodium is by carbon
Sour hydrogen sodium, potassium carbonate, saleratus or calcium carbonate are substituted.
Compared with prior art, beneficial effects of the present invention are：
1. producing chlorine monoxide using fluidized bed plant, avoid using water and organic solvent by gas-solid reaction, save
Water resource, it is to avoid polluted to environment, no waste water is produced, environment protecting and power-saving.
2. the present invention uses chlorine and air Mixture, the fluidisation of oxide spinel sodium can be improved, accessory substance is also solved
Sodium chloride layers it is hardened；In addition, in the gaseous mixture of chlorine and air, chlorine is used to react, and air is with gaseous product one
Dichloroxide, which enters, contains air in separation phase, therefore isolated chlorine monoxide, that is, reduces product chlorine monoxide
Concentration, chlorine monoxide is unstable to be extremely easy in decomposition, and the decomposition of chlorine monoxide can be reduced by reducing its concentration.
3. producing chlorine monoxide using fluidized bed plant, industrialized continuous production, the opposing party on the one hand can be realized
The conversion ratio of carbonate is improved in face, and the conversion ratio of carbonate has reached 88-95%.
4. producing chlorine monoxide using fluidized bed plant, the particle diameter no requirement (NR) to material carbon hydrochlorate is reduced to raw material
Requirement.Wherein, carbonate is sodium carbonate, sodium acid carbonate, potassium carbonate, saleratus, calcium carbonate etc..
5. the method for present invention production chlorine monoxide avoids the reaction substrate using severe toxicity, substrate source is wide, and price is low
It is honest and clean to be easy to get.
Brief description of the drawings
Fig. 1 is the schematic diagram of fluidized bed plant of the present invention；
Fig. 2 is the schematic flow sheet of the method for present invention production chlorine monoxide；
In Fig. 1,1- compressors, 2- mixing chambers, 3- fluidized-bed reactors, 4- primary cyclones, bis- grades of whirlwind of 5-
Separator, 6- air-introduced machines, 31- gas accesses, 32- solid inlets, 33- product exits, 41- solid outlets, 42- entrances, 43- gas
Body is exported, 51- solid outlets, 52- entrances, 53- gas vents.
Embodiment
With reference to the accompanying drawings and examples to a kind of fluidized bed plant and producer for producing chlorine monoxide of the present invention
Method is illustrated.It should be understood that these embodiments are only used for explaining the present invention rather than limitation the scope of the present invention.It should externally manage
Solution, after present disclosure has been read, those skilled in the art make various changes or modifications to the present invention, these shapes of equal value
Formula equally falls within the application appended claims limited range.
The invention provides a kind of fluidized bed plant for being used to produce chlorine monoxide, including fluidized-bed reactor and whirlwind
All parts and annexation in fluidized bed plant of the present invention are illustrated by separator, mixing chamber etc. one by one below, referring to
Fig. 1.
Fluidized-bed reactor 3, including：Gas access 31 for inputting from unstrpped gas to fluidized-bed reactor 3, is set
In the bottom of fluidized-bed reactor 3；Solid inlet 32 for inputting from raw aqueous sodium carbonate to fluidized-bed reactor 3, if
It is placed in the middle and lower part of fluidized-bed reactor 3；And for exporting the gaseous product (gaseous product produced by fluidized-bed reactor 3
In carry solid material aqueous carbonic acid sodium and solid product sodium chloride) product exit 33, be arranged at fluidized-bed reactor 3
Top or top end.Fluidized-bed reactor 3 is used for the gas-solid reaction of chlorine and sodium carbonate；Used in fluidized bed plant of the present invention
Fluidized-bed reactor 3 can be the Conventional fluidization bed for gas-solid reaction.Distribution grid, described point are set in fluidized-bed reactor 3
Fabric swatch is carbon steel sheet or core plate, positioned at the lower section of solid inlet 32 and close to solid inlet 32.Placed on the distribution grid solid
Body raw aqueous sodium carbonate, the blast cap aperture of distribution grid is selected using non-leakage solid sodium carbonate and sodium chloride as standard.
In order to control the temperature of fluidized-bed reactor well, the outside of fluidized-bed reactor 3 sets cooler (in figure not
Show), such as the brine-cooled circulatory system, the temperature for controlling the fluidized-bed reactor.
The product exit 33 of cyclone separator, entrance and fluidized-bed reactor is connected, for the fluidized bed reactor 3 that always flows automatically
Carrying solid gaseous product in isolate solid, that is, the solid removed in the gaseous product that fluidized-bed reactor 3 is obtained is miscellaneous
Matter, solid impurity includes solid material aqueous carbonic acid sodium and solid product sodium chloride.
In an embodiment of the present invention, in order to which the solid impurity in the gaseous product for the fluidized bed reactor 3 that flows automatically in the future enters one
Step separation, fluidized bed plant of the invention is provided with two stage cyclone separator, i.e. primary cyclone 4 and two grades of cyclonic separations
Device 5.
Primary cyclone 4, entrance 42 is connected with the product exit 33 of the fluidized-bed reactor, for always flowing automatically
Solid sodium chloride is isolated in the gaseous product of the carrying solid of fluidized bed reactor 3, that is to say, that from fluidized-bed reactor 3
Gaseous product through primary cyclone 4 handle after, the solid carried originally in the gaseous product from fluidized-bed reactor 3
Products sodium chloride is separated, so that the chlorine monoxide gaseous product to be prepared has been purified, while can also make full use of
The sodium chloride isolated.Also contain solid material aqueous carbonic acid sodium after being handled through primary cyclone 4 in gaseous product, it leads to
Cross and be arranged on the secondary cyclone 5 after primary cyclone 4 to remove or separate.
Secondary cyclone 5, entrance 52 is connected with the gas vent 43 of primary cyclone, for from from one-level
Aqueous carbonic acid sodium solid is isolated in the gaseous product of the carrying solid of cyclone separator 4.In order to make full use of aqueous carbonic acid sodium,
The solid outlet 51 of secondary cyclone 5 is connected with the solid inlet 32 of fluidized-bed reactor 3, for by two grades of cyclonic separations
The aqueous carbonic acid sodium solid that device 5 is isolated is returned in fluidized-bed reactor as reaction raw materials.At secondary cyclone 5
Gas after reason introduces storage system by the air-introduced machine 6 being connected with gas vent 53 or enters next step production process.
Mixing chamber 2, outlet is connected with the gas access 31 of fluidized-bed reactor 3, for being provided into fluidized-bed reactor 3
Mixed gas containing chlorine.In the preferred embodiment of the invention, the mixed gas containing chlorine is the mixed of air and chlorine
Close gas.It is highly preferred that compressor 1, outlet is connected with the entrance of mixing chamber 2, for providing compressed air to mixing chamber 2.Mixing chamber
2, it is connected with the gas access 31 of fluidized-bed reactor 3, for the compressed air from compressor 1 and external equipment to be supplied to
The chlorine of mixing chamber 2 is well mixed, and well mixed chlorine and the gaseous mixture of air are transported to fluidized-bed reactor 3
It is interior.
It is different with the bulk density of sodium carbonate according to sodium chloride, in primary cyclone, it can will contain an oxidation two
Sodium chloride entrained by the gas of chlorine is separated, so that the mixing of sodium chloride and gas and sodium carbonate containing chlorine monoxide
Thing is efficiently separated, i.e., be separately separated out by primary cyclone by sodium chloride.
Chlorine produces for Jiheng Chemistry Co., Ltd., Hebei, and sodium carbonate buying Yushan Hill East Sea limited company is pure
Alkali factory.
Embodiment 1
Preparatory stage：Compressed air valve is opened, coutroi velocity is stable in 0.4m3Between/min, fluidized-bed reactor is treated
After interior air velocity is stable, brine circulation system is opened, fluidized bed temperature is maintained at 15 DEG C, closes compressed air valve
Door；Then it is that 5wt% sodium carbonate twists fluidized bed by water content with auger.
The stage of reaction：Compressed air valve is opened, coutroi velocity is in 0.6m3/min；It is then turned on chlorine valve, controlling stream
Speed is in 0.1m3/min；Air pipeline that cooled before mixing chamber is entered is cooled to 15 DEG C, and then chlorine exists with cooling air
Mixing chamber is well mixed.Fluidized-bed temperature in salt solution valve, control course of reaction is opened simultaneously and is not more than 25 DEG C, when fluid bed is anti-
When answering the temperature of device to be not more than 25 DEG C, by the gaseous mixture of chlorine and cooling air with 0.6m3/ min speed by fluid bed,
So that gaseous mixture is contacted and reacted with the aqueous carbonic acid sodium layer inside fluidized-bed reactor in uphill process, generation one is aoxidized
Dichloro.When observing that fluidized-bed temperature starts to be decreased obviously, illustrate that reaction, close to terminal, is now needed from injection port i.e. solid
Entrance 32 adds new sodium carbonate to ensure that quantity-produced is carried out.
Separation phase：In the future gravity flow fluidized bed reactor carrying solid impurity gaseous product pass through fluidized bed plant one
Level cyclone separator, primary cyclone tolerance is 16m/s, solid sodium chloride is separated from gaseous product, then
The gas that primary cyclone is come out does further gas solid separation, secondary cyclone by secondary cyclone
Tolerance is 12m/s, so as to obtain the gas containing chlorine monoxide, and the gas, which enters storage system or enters next step, produces work
Sequence；The sodium carbonate that secondary cyclone is isolated simultaneously is returned in fluid bed by connecting pipe, continues to occur instead with chlorine
Should.
After continuous production, in terms of sodium chloride, sodium carbonate conversion ratio reaches 88%.
Embodiment 2
Preparatory stage：Compressed air valve is opened, coutroi velocity is stable in 0.4m3Between/min, fluidized-bed reactor is treated
After interior air velocity is stable, brine circulation system is opened, fluidized bed temperature is maintained at 10 DEG C, closes compressed air valve
Door；Then it is that 6wt% sodium carbonate twists fluidized bed by water content with auger.
The stage of reaction：Compressed air valve is opened, coutroi velocity is in 0.3m3/min；It is then turned on chlorine valve, controlling stream
Speed is in 0.1m3/min；Air pipeline that cooled before mixing chamber is entered is cooled to 15 DEG C, and then chlorine exists with cooling air
Mixing chamber is well mixed.Salt solution valve is opened, it is 10~15 DEG C to control fluidized-bed temperature in course of reaction, chlorine and cooling air
Gaseous mixture with 0.6m3/ min speed generates chlorine monoxide by the aqueous carbonic acid sodium layer of fluid bed.When observing temperature
Start to be decreased obviously, illustrate reaction close to terminal, it is necessary to add new sodium carbonate from injection port to ensure that quantity-produced is carried out.
Separation phase：The gas containing chlorine monoxide and the gas of gravity flow fluidized bed reactor are carried in the future sodium chloride and
Sodium carbonate is by the primary cyclone of fluidized bed plant, and primary cyclone tolerance is 18m/s, will contain chlorine monoxide
Gas entrained by sodium chloride with containing the gas of chlorine monoxide and the gas carrying sodium carbonate separated, then will contain
The sodium carbonate that the gas of chlorine monoxide and the gas are carried is by secondary cyclone, and secondary cyclone tolerance is
12m/s, obtains the gas containing chlorine monoxide into storage system or enters next step production process；Obtained sodium carbonate from
The solid outlet of secondary cyclone is returned in fluid bed by the pipeline of connection, and continuation reacts with chlorine.
After continuous production, in terms of sodium chloride, sodium carbonate conversion ratio reaches 92%.
Embodiment 3
Preparatory stage：Compressed air valve is opened, coutroi velocity is stable in 0.4m3Between/min, fluidized-bed reactor is treated
After interior air velocity is stable, brine circulation system is opened, fluidized bed temperature is maintained at 10 DEG C, closes compressed air valve
Door；Then it is that 7wt% sodium carbonate twists fluidized bed by water content with auger.
The stage of reaction：Compressed air valve is opened, coutroi velocity is in 0.3m3/min；It is then turned on chlorine valve, controlling stream
Speed is in 0.1m3/min；Air pipeline that cooled before mixing chamber is entered is cooled to 15 DEG C, and then chlorine exists with cooling air
Mixing chamber is well mixed.Salt solution valve is opened, it is 10~15 DEG C to control fluidized-bed temperature in course of reaction, chlorine and cooling air
Gaseous mixture with 0.6m3/ min speed generates chlorine monoxide by the aqueous carbonic acid sodium layer of fluid bed.When observing temperature
Start to be decreased obviously, illustrate reaction close to terminal, it is necessary to add new sodium carbonate from injection port to ensure that quantity-produced is carried out.
Separation phase：The gas containing chlorine monoxide and the gas of gravity flow fluidized bed reactor are carried in the future sodium chloride and
Sodium carbonate is by the primary cyclone of fluidized bed plant, and primary cyclone tolerance is 17m/s, will contain chlorine monoxide
Gas entrained by sodium chloride with containing the gas of chlorine monoxide and the gas carrying sodium carbonate separated, then will contain
The sodium carbonate that the gas of chlorine monoxide and the gas are carried is by secondary cyclone, and secondary cyclone tolerance is
14m/s, obtains the gas containing chlorine monoxide into storage system or enters next step production process；Obtained sodium carbonate from
The solid outlet of secondary cyclone is returned in fluid bed by the pipeline of connection, and continuation reacts with chlorine.
After continuous production, in terms of sodium chloride, sodium carbonate conversion ratio reaches 89%.
Embodiment 4
Preparatory stage：Compressed air valve is opened, coutroi velocity is stable in 0.4m3Between/min, fluidized-bed reactor is treated
After interior air velocity is stable, brine circulation system is opened, fluidized bed temperature is maintained at 20 DEG C, closes compressed air valve
Door；Then it is that 7wt% sodium carbonate twists fluidized bed by water content with auger.
The stage of reaction：Compressed air valve is opened, coutroi velocity is in 0.3m3/min；It is then turned on chlorine valve, controlling stream
Speed is in 0.1m3/min；Air pipeline that cooled before mixing chamber is entered is cooled to 15 DEG C, and then chlorine exists with cooling air
Mixing chamber is well mixed.Salt solution valve is opened, it is 20~25 DEG C to control fluidized-bed temperature in course of reaction, chlorine and cooling air
Gaseous mixture with 0.6m3/ min speed generates chlorine monoxide by the aqueous carbonic acid sodium layer of fluid bed.When observing temperature
Start to be decreased obviously, illustrate reaction close to terminal, it is necessary to add new sodium carbonate from injection port to ensure that quantity-produced is carried out.
Separation phase：The gas containing chlorine monoxide and the gas of gravity flow fluidized bed reactor are carried in the future sodium chloride and
Sodium carbonate is by the primary cyclone of fluidized bed plant, and primary cyclone tolerance is 18m/s, will contain chlorine monoxide
Gas entrained by sodium chloride with containing the gas of chlorine monoxide and the gas carrying sodium carbonate separated, then will contain
The sodium carbonate that the gas of chlorine monoxide and the gas are carried is by secondary cyclone, and secondary cyclone tolerance is
12m/s, obtains the gas containing chlorine monoxide into storage system or enters next step production process；Obtained sodium carbonate from
The solid outlet of secondary cyclone is returned in fluid bed by the pipeline of connection, and continuation reacts with chlorine.
After continuous production, in terms of sodium chloride, sodium carbonate conversion ratio reaches 87%.
Embodiment 5
Preparatory stage：Compressed air valve is opened, coutroi velocity is stable in 0.4m3Between/min, fluidized-bed reactor is treated
After interior air velocity is stable, brine circulation system is opened, fluidized bed temperature is maintained at 15 DEG C, closes compressed air valve
Door；Then it is that 5wt% sodium carbonate twists fluidized bed by water content with auger.
The stage of reaction：Compressed air valve is opened, coutroi velocity is in 0.222m3/min；Chlorine valve is then turned on, is controlled
Flow velocity is in 0.1m3/min；Air pipeline that cooled before mixing chamber is entered is cooled to 15 DEG C, then chlorine and cooling air
It is well mixed in mixing chamber.Salt solution valve is opened, it is 15~25 DEG C to control fluidized-bed temperature in course of reaction, and chlorine is empty with cooling
The gaseous mixture of gas is with 0.6m3/ min speed generates chlorine monoxide by the aqueous carbonic acid sodium layer of fluid bed.When observing temperature
Degree starts to be decreased obviously, and illustrates reaction close to terminal, it is necessary to add new sodium carbonate to ensure that quantity-produced enters from injection port
OK.
Separation phase：The gas containing chlorine monoxide and the gas of gravity flow fluidized bed reactor are carried in the future sodium chloride and
Sodium carbonate is by the primary cyclone of fluidized bed plant, and primary cyclone tolerance is 18m/s, will contain chlorine monoxide
Gas entrained by sodium chloride with containing the gas of chlorine monoxide and the gas carrying sodium carbonate separated, then will contain
The sodium carbonate that the gas of chlorine monoxide and the gas are carried is by secondary cyclone, and secondary cyclone tolerance is
12m/s, obtains the gas containing chlorine monoxide into storage system or enters next step production process；Obtained sodium carbonate from
The solid outlet of secondary cyclone is returned in fluid bed by the pipeline of connection, and continuation reacts with chlorine.
After continuous production, in terms of sodium chloride, sodium carbonate conversion ratio reaches 73%.
Embodiment 6
Preparatory stage：Compressed air valve is opened, coutroi velocity is stable in 0.4m3Between/min, fluidized-bed reactor is treated
After interior air velocity is stable, brine circulation system is opened, fluidized bed temperature is maintained at 15 DEG C, closes compressed air valve
Door；Then it is that 5wt% sodium carbonate twists fluidized bed by water content with auger.
The stage of reaction：Compressed air valve is opened, coutroi velocity is in 0.7m3/min；It is then turned on chlorine valve, controlling stream
Speed is in 0.1m3/min；Air pipeline that cooled before mixing chamber is entered is cooled to 15 DEG C, and then chlorine exists with cooling air
Mixing chamber is well mixed.Salt solution valve is opened, it is 15~25 DEG C to control fluidized-bed temperature in course of reaction, chlorine and cooling air
Gaseous mixture with 0.6m3/ min speed generates chlorine monoxide by the aqueous carbonic acid sodium layer of fluid bed.When observing temperature
Start to be decreased obviously, illustrate reaction close to terminal, it is necessary to add new sodium carbonate from injection port to ensure that quantity-produced is carried out.
Separation phase：The gas containing chlorine monoxide and the gas of gravity flow fluidized bed reactor are carried in the future sodium chloride and
Sodium carbonate is by the primary cyclone of fluidized bed plant, and primary cyclone tolerance is 18m/s, will contain chlorine monoxide
Gas entrained by sodium chloride with containing the gas of chlorine monoxide and the gas carrying sodium carbonate separated, then will contain
The sodium carbonate that the gas of chlorine monoxide and the gas are carried is by secondary cyclone, and secondary cyclone tolerance is
12m/s, obtains the gas containing chlorine monoxide into storage system or enters next step production process；Obtained sodium carbonate from
The solid outlet of secondary cyclone is returned in fluid bed by the pipeline of connection, and continuation reacts with chlorine.
After continuous production, in terms of sodium chloride, sodium carbonate conversion ratio reaches 85%.
Embodiment 7
Preparatory stage：Compressed air valve is opened, coutroi velocity is stable in 0.4m3Between/min, fluidized-bed reactor is treated
After interior air velocity is stable, brine circulation system is opened, fluidized bed temperature is maintained at 15 DEG C, closes compressed air valve
Door；Then it is that 10wt% sodium carbonate twists fluidized bed by water content with auger.
The stage of reaction：Compressed air valve is opened, coutroi velocity is in 0.6m3/min；It is then turned on chlorine valve, controlling stream
Speed is in 0.1m3/min；Air pipeline that cooled before mixing chamber is entered is cooled to 15 DEG C, and then chlorine exists with cooling air
Mixing chamber is well mixed.Salt solution valve is opened, it is 15~25 DEG C to control fluidized-bed temperature in course of reaction, chlorine and cooling air
Gaseous mixture with 0.6m3/ min speed generates chlorine monoxide by the aqueous carbonic acid sodium layer of fluid bed.When observing temperature
Start to be decreased obviously, illustrate reaction close to terminal, it is necessary to add new sodium carbonate from injection port to ensure that quantity-produced is carried out.
Separation phase：The gas containing chlorine monoxide and the gas of gravity flow fluidized bed reactor are carried in the future sodium chloride and
Sodium carbonate is by the primary cyclone of fluidized bed plant, and primary cyclone tolerance is 18m/s, will contain chlorine monoxide
Gas entrained by sodium chloride with containing the gas of chlorine monoxide and the gas carrying sodium carbonate separated, then will contain
The sodium carbonate that the gas of chlorine monoxide and the gas are carried is by secondary cyclone, and secondary cyclone tolerance is
12m/s, obtains the gas containing chlorine monoxide into storage system or enters next step production process；Obtained sodium carbonate from
The solid outlet of secondary cyclone is returned in fluid bed by the pipeline of connection, and continuation reacts with chlorine.
After continuous production, in terms of sodium chloride, sodium carbonate conversion ratio reaches 56%.
Comparative example
To be cooled to 10 DEG C, volume ratio be 1:3 chlorine and the gaseous mixture of air, pass through 10 DEG C of water content 7wt%'s
Sodium carbonate pillar, to prepare chlorine monoxide gas.
In terms of sodium chloride, sodium carbonate conversion ratio is 14%.
Claims (10)
1. a kind of fluidized bed plant for producing chlorine monoxide, it is characterised in that including：
Fluidized-bed reactor, including gas access, solid inlet and product exit；The fluidized-bed reactor is used for chlorine and carbon
The gas-solid reaction of sour sodium；
Cyclone separator, entrance is connected with the product exit of the fluidized-bed reactor, for from from the fluidized-bed reaction
Solid is isolated in the gaseous product of the carrying solid of device.
2. the fluidized bed plant of production chlorine monoxide according to claim 1, it is characterised in that the fluidized-bed reaction
Distribution grid is set in device, and the distribution grid is carbon steel sheet or core plate, and the blast cap aperture of the distribution grid is selected with non-leakage solid
Body sodium carbonate and sodium chloride are standard.
3. the fluidized bed plant of production chlorine monoxide according to claim 1 or 2, it is characterised in that the whirlwind point
Include from device：
Primary cyclone, entrance is connected with the product exit of the fluidized-bed reactor, for from from the fluid bed
Solid sodium chloride is isolated in the gaseous product of the carrying solid of reactor；
And secondary cyclone, entrance is connected with the gas vent of the primary cyclone, for from from described
Aqueous carbonic acid sodium solid is isolated in the gaseous product of the carrying solid of primary cyclone；The secondary cyclone
Solid outlet is connected with the solid inlet of the fluidized-bed reactor, for by the secondary cyclone isolate it is aqueous
Sodium carbonate solid is returned in the fluidized-bed reactor as reaction raw materials；It is highly preferred that the fluidized bed plant also includes
Air-introduced machine, entrance is connected with the gas vent of the secondary cyclone, for drawing through at the secondary cyclone
Gas after reason.
4. according to the fluidized bed plant of any one of the claim 1-3 production chlorine monoxides, it is characterised in that the fluidisation
Bed apparatus also includes mixing chamber, is connected with the gas access of the fluidized-bed reactor, for into the fluidized-bed reactor
Mixed gas containing chlorine is provided；Preferably, the mixed gas containing chlorine is the gaseous mixture of air and chlorine；More preferably
Ground, the fluidized bed plant also includes compressor, and outlet is connected by pipeline with the mixing chamber entrance, for the mixed gas
Room provides compressed air；It is further preferred that the pipeline is cooling pipeline, the temperature for reducing compressed air；
Preferably, the fluidized bed plant also includes cooler, the outside of the fluidized-bed reactor is arranged at, for controlling
State the temperature of fluidized-bed reactor.
5. the side of chlorine monoxide is produced using the fluidized bed plant of the production chlorine monoxide described in claim any one of 1-4
Method, it is characterised in that comprise the following steps：
The stage of reaction：Mixed gas containing chlorine is passed through in the fluidized-bed reactor, and leads to the mixed gas containing chlorine
Cross the aqueous carbonic acid sodium in fluidized state to be reacted, obtain carrying the gaseous product of solid；
Separation phase：By cyclone separator, by consolidating in the gaseous product of the carrying solid from the fluidized-bed reactor
Body is separated, and obtains the gas containing chlorine monoxide.
6. the method for production chlorine monoxide according to claim 5, it is characterised in that also include before the stage of reaction
It is preparatory stage, specific as follows：First with 0.4m3/ min speed is passed through compressed air into the fluidized-bed reactor, treats flow velocity
After stable, then it is 0 DEG C~25 DEG C to control the temperature of the fluidized-bed reactor by cooler.
7. the method for the production chlorine monoxide according to claim 5 or 6, it is characterised in that in the stage of reaction,
The mixed gas containing chlorine is the gaseous mixture of chlorine and air；It is further preferred that the volume ratio of the chlorine and air
For 1:2.22~7；Preferably, the gaseous mixture of the chlorine and air by carbon dioxide and chlorine gaseous mixture, nitrogen and chlorine
Gaseous mixture or the gaseous mixture of argon gas and chlorine substitute；Preferably, the aqueous carbonic acid sodium is preferably that water content is 5-
10wt% sodium carbonate；The water content of the aqueous carbonic acid sodium is more preferably 5-6wt%；Preferably, the aqueous carbonic acid
Sodium is substituted by sodium acid carbonate, potassium carbonate, saleratus or calcium carbonate.
8. according to the method for any one of the claim 5-7 production chlorine monoxides, it is characterised in that in the stage of reaction
In, the temperature of the fluidized-bed reactor is 10 DEG C~15 DEG C, and the mixed gas containing chlorine is passed through the fluidized-bed reaction
Speed during device is 0.5~0.7m3/ min, the temperature of reaction system is no more than 25 DEG C；Preferably, the gaseous mixture containing chlorine
Speed when body is passed through fluidized-bed reactor is 0.60m3/min；Preferably, the temperature of the mixed gas containing chlorine is 10-
15℃。
9. according to the method for any one of the claim 5-8 production chlorine monoxides, it is characterised in that in the stage of reaction
In, when the temperature of reaction system in the fluidized-bed reactor is begun to decline, show reaction close to terminal, now should be to described
Aqueous carbonic acid sodium is added in fluidized-bed reactor, to realize the continuous production of chlorine monoxide.
10. the method for the production chlorine monoxide according to claim any one of 5-9, it is characterised in that the separation rank
Section specifically includes following steps：By primary cyclone, by the gas of the carrying solid from the fluidized-bed reactor
The step of solid sodium chloride in product is separated；And by secondary cyclone, will be from the one cyclonic point
The step of being separated from the aqueous carbonic acid sodium solid in the gaseous product of the carrying solid of device；Through the secondary cyclone
The step of aqueous carbonic acid sodium solid isolated returns to the fluidized-bed reactor；Preferably, the primary cyclone
Tolerance is 16-18m/s；The secondary cyclone tolerance is 12-14m/s.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110615405A (en) * | 2018-06-19 | 2019-12-27 | 四川晨光工程设计院有限公司 | Multistage fluidized bed series-connected continuous production system and production method for dichlorine monoxide |
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| CN110615405A (en) * | 2018-06-19 | 2019-12-27 | 四川晨光工程设计院有限公司 | Multistage fluidized bed series-connected continuous production system and production method for dichlorine monoxide |
| CN110615405B (en) * | 2018-06-19 | 2023-02-10 | 四川晨光工程设计院有限公司 | Multistage fluidized bed series-connected continuous production system and production method for dichlorine monoxide |
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