CN107381507B - A kind of chlorine dioxide preparation apparatus - Google Patents
A kind of chlorine dioxide preparation apparatus Download PDFInfo
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- CN107381507B CN107381507B CN201710851853.XA CN201710851853A CN107381507B CN 107381507 B CN107381507 B CN 107381507B CN 201710851853 A CN201710851853 A CN 201710851853A CN 107381507 B CN107381507 B CN 107381507B
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- chlorine dioxide
- separator
- sodium chloride
- gas
- condenser
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- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 title claims abstract description 186
- 239000004155 Chlorine dioxide Substances 0.000 title claims abstract description 93
- 235000019398 chlorine dioxide Nutrition 0.000 title claims abstract description 93
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 66
- 239000011780 sodium chloride Substances 0.000 claims abstract description 33
- 238000010521 absorption reaction Methods 0.000 claims abstract description 23
- 230000010412 perfusion Effects 0.000 claims abstract description 16
- 238000004064 recycling Methods 0.000 claims abstract description 14
- 238000011084 recovery Methods 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 28
- 239000007921 spray Substances 0.000 claims description 15
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 claims description 12
- 239000000706 filtrate Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 description 14
- 239000002002 slurry Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 7
- 229910052801 chlorine Inorganic materials 0.000 description 7
- 239000000460 chlorine Substances 0.000 description 7
- 241000202567 Fatsia japonica Species 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 238000004061 bleaching Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000012452 mother liquor Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000007844 bleaching agent Substances 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- CBWUNQZJGJFJLZ-UHFFFAOYSA-N [Cl].Cl Chemical compound [Cl].Cl CBWUNQZJGJFJLZ-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000010242 baoji Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood 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
- C01B11/022—Chlorine dioxide (ClO2)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of chlorine dioxide preparation apparatus, including preparation facilities ontology, the preparation facilities ontology includes chlorine dioxide generator, sodium chloride filter and sodium chloride dissolver, it further include anti-bumping device, separator, condenser, condensate recycling device, absorption tower and sodium chloride dissolver, the top of the chlorine dioxide generator is connected to by the first appendix with the top of the separator, the middle part of the separator below the first perfusion tube and the middle part of the chlorine dioxide generator below by way of being connected to, the bottom of the separator is provided with the condenser and the two is connected to, the bottom of the condenser is connected to by the condensate recycling device with the sodium chloride dissolver, the bottom of the condenser below the second appendix and the middle part on the absorption tower by being connected to.Chlorine dioxide preparation apparatus provided by the invention can be realized the condensing recovery of the gas of chlorine dioxide generator generation.
Description
Technical field
The present invention relates to slurry paper plant's large-scale chlorine dioxide production technical field more particularly to a kind of chlorine dioxide preparation dresses
It sets.
Background technique
As domestic Energy situation is more and more nervous, the ratio that energy cost is occupied in manufacturing Lei Lei enterprise is more next
It is bigger, how to realize that the energy-saving production development to enterprise is crucial in process of production, especially reduction resource wave
Expense makes full use of with existing resource as main research direction.Million tons using ECF bleaching process of one modernization
Leaf wood slurry factory is typical complete in the chemical plant production process of its self-produced bleaching agent, pulping bleaching using chlorine dioxide
Set has the chemicals workshop of chlorate electrolysis workshop section and chlorine dioxide synthesizing section, and ClO217- can be consumed by producing slurry paper per ton
20kg, the then chlorine dioxide that million tons of slurry factories consume daily are 53 tons (100%).Since the property of chlorine dioxide is unstable,
The production model of now-making-now-using can only be taken.Every one ton of chlorine dioxide of production needs 1.75-1.78 tons of sodium chlorate simultaneously, because of mist
Entrainment, condensate liquid does not recycle and the reasons such as generator mother liquor bumping cause sodium chlorate to be lost, therefore so not by recycling
Processing will result in the huge waste of potential product hidden danger of quality and resource.
Under the pressure of environmental protection, market needs and public pressure, and it is negative that many countries successively disclose slurry paper plant's discharge of wastewater pollution
The lotus limit, special provision Adsorbable organic halogens (AOX) allow discharge standards.U.S.EPA defines existing slurry paper plant
AOX discharge amount must not exceed 0.623kg/t slurry, newly-built slurry paper plant must not exceed 0.276kg/t slurry, with the hair of China's economy
Exhibition, requirement of the country to environmental protection are also increasingly stringenter, and efforts at environmental protection, which have become, is related to pulp and paper industry survival and development
Significant problem.Therefore must develop pollution-free or low pollution element-free chlorine or full pentachloro- bleaching technology reduces in bleaching effluent
Organic chloride content, reduce the pollutional load of waste water.As bleaching agent, the thorough depigmentaton of chlorine dioxide energy and impurity, effect
Fruit is splendid.Pulp quality after bleaching is good and is free of carcinogenic organic chloride.Other ticket Baoji are also found no so far
It can match in excellence or beauty therewith.Chlorine dioxide has become the mainstream bleaching agent of chemical pulp paper.The whole world has 90% or more chemical pulp to use two at present
Aoxidize chlorine bleaching.With the increase of chlorine dioxide usage amount, chlorine dioxide production technique is continuously improved, and yield increases reality year by year
Application range is growing.
It is reported that improving chlorine dioxide production technology in external large-sized pulp and paper factory, recycling filtrate reduces damage
The engineering practice of mistake there is no precedent, at home same class factory, also have no successful application；Even if when recent years go into operation dioxy
Changing chlorine production technology does not take corrective measure fellow's technique to reduce the problem of sodium chlorate is lost yet；What chlorine dioxide generator generated
Gas is directly entered chlorine dioxide absorption tower by condensed condensate liquid and mixes with ClO 2 solution, is not condensed back to
It receives, causes the loss and the decline of Chlorine dioxide production quality of sodium chlorate in this way；Though and the phenomenon that preventing device mother liquor bumping
So also there is research, but still rest on through the method for manual control and avoid, is not carried out automatic control.
Therefore, how a kind of chlorine dioxide preparation apparatus is provided, with realize chlorine dioxide generator generate gas it is cold
Solidifying recycling, is current those skilled in the art technical problem urgently to be resolved.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of chlorine dioxide preparation apparatus, to realize chlorine dioxide
The condensing recovery for the gas that device generates.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of chlorine dioxide preparation apparatus, including preparation facilities ontology, the preparation facilities ontology include chlorine dioxide hair
Raw device, sodium chloride filter and sodium chloride dissolver further include anti-bumping device, separator, condenser, condensing recovery dress
It sets, absorption tower and sodium chloride dissolver, the top of the chlorine dioxide generator pass through the first appendix and the separator
Top connection, the middle part of the separator below the first perfusion tube and the middle part of the chlorine dioxide generator below by way of connecting
Logical, the bottom of the separator is provided with the condenser and the two is connected to, and the bottom of the condenser is condensed back to by described
Receiving apparatus is connected to the sodium chloride dissolver, and the bottom of the condenser passes through in the second appendix and the absorption tower
It is connected to below portion.
Preferably, the top on above-mentioned absorption tower is connected to by third appendix with the anti-bumping device.
Preferably, above-mentioned anti-bumping device includes the first pipeline and the second pipeline being arranged in parallel, on first pipeline
It is provided with drain tap and injection condensing device, is provided with pressure-control valve on second pipeline.
Preferably, be provided with generator standpipe at the top of above-mentioned chlorine dioxide generator, the generator standpipe with it is described
The connection of first appendix.
Preferably, it is provided with separation cap at the top of above-mentioned separator, and its bottom is provided with filtrate collecting tank, described first
Perfusion tube is connected to the filtrate collecting tank.
Preferably, the top spray device for rinsing the separation cap is provided in above-mentioned separator.
Preferably, middle part spray thrower is provided in above-mentioned separator.
Preferably, above-mentioned middle part spray thrower is arranged between the separation cap and the filtrate collecting tank.
Preferably, above-mentioned condensate recycling device includes circulating pump and the second perfusion tube.
Preferably, in 250mbar-290mbar, temperature is controlled 72 for the pressure control of above-mentioned chlorine dioxide generator
℃-76℃。
Chlorine dioxide preparation apparatus provided by the invention, including preparation facilities ontology, the preparation facilities ontology include two
Chlorine generator, sodium chloride filter and sodium chloride dissolver are aoxidized, further includes anti-bumping device, separator, condenser, condensation
Recyclable device, absorption tower and sodium chloride dissolver, the top of the chlorine dioxide generator by the first appendix with it is described
The top of separator is connected to, the middle part of the middle part of the separator below by way of the first perfusion tube and the chlorine dioxide generator
It is connected to below, the bottom of the separator is provided with the condenser and the two is connected to, and the bottom of the condenser passes through described
Condensate recycling device is connected to the sodium chloride dissolver, and the bottom of the condenser passes through the second appendix and the absorption
It is connected to below the middle part of tower.
In use, chlorine dioxide generator generates Chlorine Dioxide Gas, gas titanium dioxide by sodium chlorate and mixed in hydrochloric acid
Chlorine enters separator by the first appendix and carries out gas-liquid separation, and the liquid after separation returns to chlorine dioxide by the first perfusion tube
Generator is recycled, and the gas after separation enters condenser and cooled down, and the liquid of gas after cooling passes through condensing recovery
Device enters sodium chloride dissolver dissolution sodium chloride, and gas after cooling enters absorption tower through cooling water by the second appendix
Aqueous solution of chlorine dioxide is made in absorption, to realize the condensing recovery for the gas that chlorine dioxide generator generates.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of chlorine dioxide preparation apparatus provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of internal structure of separator provided in an embodiment of the present invention.
In figure 1 above -2:
Sodium chlorate electrolysis bath 1, chlorine dioxide generator 2, generator standpipe 21, separator 3, top spray device 31, middle part
Spray thrower 32, the first perfusion tube 33, separation cap 34, filtrate collecting tank 35, condenser 4, absorption tower 5, drain tap 6, injection are cold
Solidifying device 7, pressure-control valve 8, sodium chloride filter 9, sodium chloride dissolver 10, condensate recycling device 11, anti-bumping device
12。
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is the structural schematic diagram of chlorine dioxide preparation apparatus provided in an embodiment of the present invention；Figure
2 be the schematic diagram of internal structure of separator provided in an embodiment of the present invention.
Chlorine dioxide preparation apparatus provided in an embodiment of the present invention, including preparation facilities ontology, preparation facilities ontology include
Chlorine dioxide generator 2, sodium chloride filter 9 and sodium chloride dissolver 10 further include anti-bumping device 12, separator 3, cold
The top of condenser 4, condensate recycling device 11, absorption tower 5 and sodium chloride dissolver 10, chlorine dioxide generator 2 passes through first
Appendix is connected to the top of separator 3, and the middle part of separator 3 is below by way of the first perfusion tube 33 and chlorine dioxide generator 2
Middle part below be connected to, the bottom of separator 3 is provided with condenser 4 and the two and is connected to, and the bottom of condenser 4 passes through condensing recovery
Device 11 is connected to sodium chloride dissolver 10, and the bottom of condenser 4 below the second appendix and the middle part on absorption tower 5 by connecting
It is logical.
In use, chlorine dioxide generator 2 generates Chlorine Dioxide Gas, gas titanium dioxide by sodium chlorate and mixed in hydrochloric acid
Chlorine enters separator 3 by the first appendix and carries out gas-liquid separation, and the liquid after separation returns to dioxy by the first perfusion tube 33
Change chlorine generator 2 to be recycled, the gas after separation enters condenser 4 and cooled down, and the liquid of gas after cooling passes through cold
Solidifying recyclable device 11 enters sodium chloride dissolver 10 and dissolves sodium chloride, and gas after cooling enters absorption by the second appendix
Aqueous solution of chlorine dioxide is made through cooling water absorption in tower 5, to realize being condensed back to for the gas that chlorine dioxide generator 2 generates
It receives.
Specifically, the top on absorption tower 5 is connected to by third appendix with anti-bumping device 12.Anti- bumping device 12 includes
The first pipeline and the second pipeline being arranged in parallel are provided with drain tap 6 and injection condensing device 7, the second pipe on the first pipeline
Road is provided with pressure-control valve 8.Wherein, 7 extraction system vacuum of ejector condenser, for generating chlorine dioxide generator 2
Chlorine dioxide be extracted into absorption tower 5.And the pressure of chlorine dioxide generator 2 is controlled in 250mbar-290mbar.Work as pressure
When lower than 210mbar, the automatic linkage control system of the anti-bumping device 12 of the mother liquor " bumping " of chlorine dioxide generator 2 is prevented
It opens, air enters system balancing gas pressure；When pressure is higher than 240mbar, the automatic linkage control of anti-bumping device 12
System, which is closed, maintains system pressure.
In order to advanced optimize above scheme, the top of chlorine dioxide generator 2 is provided with generator standpipe 21, generator
Standpipe 21 is connected to the first appendix.Chlorine dioxide generator 2 generate chlorine dioxide can first in generator standpipe 21,
Liquid after the liquid of entrainment can carry out first time gas-liquid separation under the effect of gravity and separate returns to titanium dioxide by gravity
In chlorine generator 2, and gas then enters and carries out secondary separation in separator 3.
In order to advanced optimize above scheme, the top of separator 3 is provided with separation cap 34, and its bottom is provided with filtrate
Collecting tank 35, the first perfusion tube 33 are connected to filtrate collecting tank 35.It separates cap 34 and is fixed on 3 top of separator with 4 brackets.It is main
Wanting function is to utilize liquid, the foam etc. carried secretly in collision principle separation chlorine dioxide.Further, it is set in separator 3
It is equipped with the top spray device 31 for rinsing separation cap 34, top spray device 31 is fixed on 3 top of separator, and major function is to wash
The remaining solution on separation cap 34 is washed, cleaning solution finally flows to filtrate collecting tank 35 and then flows back into two by the first perfusion tube
Aoxidize chlorine generator 2.Middle part spray thrower 32 is provided in separator 3.The setting of middle part spray thrower 32 is received in separation cap 34 and filtrate
Collect between slot 35, the condenser 4 of 3 lower part of separator is located at for spray washing.
Wherein, condensate recycling device 11 includes circulating pump and the second perfusion tube.
Wherein, in 250mbar-290mbar, temperature is controlled at 72 DEG C -76 for the pressure control of chlorine dioxide generator 2
℃。
Specifically, when in use, steps are as follows:
(1) chlorine dioxide is generated in chlorine dioxide generator 2, the generator standpipe 21 into top carries out for the first time
Gas-liquid separation: in chlorine dioxide uphill process, the liquid of gas entrainment returns to chlorine dioxide generator by gravity
2, the operating pressure 250mbar-290mbar of generator standpipe 21, chlorine dioxide flow 16000NM3/h, operating temperature
72-76℃。
(2) secondary separation is carried out to the gas after gas-liquid separation for the first time by separator 3, the chlorine dioxide after separating for the first time
Gas enters separator 3, and secondary gas-liquid separation is carried out in separator 3.In the top spray device 31 of separator 3, top spray
The flow 4-8L/h of device 31.Solution after gas-liquid separation mixes back to chlorine dioxide generator 2 with shower water and recycles benefit
With the chlorine dioxide after separation enters condenser.
(3) chlorine dioxide after secondary separation enters condenser 4 and is condensed, and condensed temperature control is in 45-
55℃.Condensed liquid enters condensate recycling device 11, is transported to salt (sodium chloride) dissolver by circulating pump and carries out again
It utilizes, condensate liquid is used to dissolve the sodium chloride that sodium chloride filter 9 filters out；It is molten that sodium chloride is made in condensate solution sodium chloride
Liquid is then delivered to sodium chlorate electrolysis bath 1 and produces sodium chlorate.Wherein condensate liquid flow control is in 3-12m3/h.
(4) enter chlorine dioxide absorption tower by the condensed chlorine dioxide of condenser 4, absorb and make by chilled water
At aqueous solution of chlorine dioxide.The vacuum of entire vacuum system has steam jet ejector to extract vacuum.On absorption tower 5 to steam jet ejector
Pipeline on install anti-" bumping " anti-bumping device 12 automatic control system.The pressure control of chlorine dioxide generator 2 exists
250mbar-290mbar.When pressure is lower than 210mbar, the automatic linkage control system of anti-bumping device 12 is opened, air into
Enter system balancing gas pressure；When pressure is higher than 240mbar, the automatic linkage control system of anti-bumping device 12, which is closed, to be maintained
System pressure.
To sum up, beneficial effects of the present invention: slurry paper plant's chlorine dioxide preparation production chlorine dioxide is vertical by generator
Pipe 21, separator 3, condensing recovery and anti-" bumping " automatic control system reduce the loss of sodium chlorate, and condensate liquid is recycled benefit
With and entire treatment process safety, explosion, leakage and fortuitous event will not occur generating, cause accident, which can be with
It automatically controls, can also manually control, facilitate easy to operate.
The invention has the advantages that slurry paper plant's large-scale chlorine dioxide production technology reduces gas-liquid folder by a series of improvement
Band, gas-liquid separator, condensate recovery system and prevent chlorine dioxide generator mother liquor " bumping " automatic linkage control system, it is real
Sodium chlorate circulation and stress recycles the cycling and reutilization with condensate liquid in existing large-scale chlorine dioxide production technology, and entirely recycles
System safety, No leakage, system automatic control facilitate operation.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (3)
1. a kind of chlorine dioxide preparation apparatus, including preparation facilities ontology, the preparation facilities ontology includes chlorine dioxide
Device, sodium chloride filter and sodium chloride dissolver, which is characterized in that further include anti-bumping device, separator, condenser, cold
Solidifying recyclable device, absorption tower and sodium chloride dissolver,
The top of the chlorine dioxide generator is connected to by the first appendix with the top of the separator, the separator
Middle part below by way of being connected to below the first perfusion tube and the middle part of the chlorine dioxide generator,
The bottom of the separator is provided with the condenser and the two is connected to,
The bottom of the condenser is connected to by the condensate recycling device with the sodium chloride dissolver,
The bottom of the condenser passes through the second appendix and the middle part on the absorption tower or less and is connected to,
The top on the absorption tower is connected to by third appendix with the anti-bumping device,
The anti-bumping device includes the first pipeline and the second pipeline being arranged in parallel, and is provided with exhaust valve on first pipeline
Door and injection condensing device are provided with pressure-control valve on second pipeline,
Generator standpipe is provided at the top of the chlorine dioxide generator, the generator standpipe and first appendix connect
It is logical,
Separation cap is provided at the top of the separator, and its bottom is provided with filtrate collecting tank, first perfusion tube and institute
Filtrate collecting tank connection is stated,
The top spray device for rinsing the separation cap is provided in the separator,
Middle part spray thrower is provided in the separator,
The middle part spray thrower is arranged between the separation cap and the filtrate collecting tank,
In use, chlorine dioxide generator generates Chlorine Dioxide Gas by sodium chlorate and mixed in hydrochloric acid, Chlorine Dioxide Gas is logical
It crosses the first appendix and enters separator progress gas-liquid separation, the liquid after separation returns to chlorine dioxide by the first perfusion tube
Device is recycled, and the gas after separation enters condenser and cooled down, and the liquid of gas after cooling passes through condensate recycling device
Sodium chloride is dissolved into sodium chloride dissolver, gas after cooling enters absorption tower by the second appendix and absorbs through cooling water
Aqueous solution of chlorine dioxide is made, to realize the condensing recovery for the gas that chlorine dioxide generator generates.
2. chlorine dioxide preparation apparatus according to claim 1, which is characterized in that the condensate recycling device includes circulation
Pump and the second perfusion tube.
3. chlorine dioxide preparation apparatus according to claim 1, which is characterized in that the pressure of the chlorine dioxide generator
Control is controlled in 250mbar-290mbar, temperature at 72 DEG C -76 DEG C.
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| CN201710851853.XA CN107381507B (en) | 2017-09-19 | 2017-09-19 | A kind of chlorine dioxide preparation apparatus |
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|---|---|---|---|
| CN201710851853.XA CN107381507B (en) | 2017-09-19 | 2017-09-19 | A kind of chlorine dioxide preparation apparatus |
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| CN107381507B true CN107381507B (en) | 2019-11-29 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2849250A1 (en) * | 1978-11-14 | 1980-06-04 | Metallgesellschaft Ag | METHOD FOR THE PRODUCTION OF CHLORINE DIOXIDE, ALKALI LYE AND, IF NECESSARY, CHLORINE |
| CN1038123C (en) * | 1994-07-08 | 1998-04-22 | 南京理工大学 | Method for preparation of chlorine dioxide and generator thereof |
| CN1188740A (en) * | 1996-12-23 | 1998-07-29 | 埃勒夫阿托化学有限公司 | Process for producing chlorine dioxide |
| CN101462697B (en) * | 2008-12-31 | 2010-11-03 | 秦皇岛鸿鼎轻工机械技术有限公司 | Safe pure chlorine dioxide preparing apparatus and method |
| CN105439095B (en) * | 2015-12-02 | 2018-02-27 | 广西大学 | A kind of method and device that sodium chlorite is prepared with synthesis chlorine dioxide technique |
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Denomination of invention: A chlorine dioxide preparation device Effective date of registration: 20231211 Granted publication date: 20191129 Pledgee: Rizhao Bank Co.,Ltd. Pledgor: ASIA SYMBOL (SHANDONG) PULP AND PAPER Co.,Ltd. Registration number: Y2023980070566 |