CN201873516U - Stepwise chlorine dioxide generator - Google Patents
Stepwise chlorine dioxide generator Download PDFInfo
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- CN201873516U CN201873516U CN2010205949903U CN201020594990U CN201873516U CN 201873516 U CN201873516 U CN 201873516U CN 2010205949903 U CN2010205949903 U CN 2010205949903U CN 201020594990 U CN201020594990 U CN 201020594990U CN 201873516 U CN201873516 U CN 201873516U
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- reactor
- chlorine dioxide
- dioxide generator
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Abstract
The utility model relates to a stepwise chlorine dioxide generator, which comprises a discharge tube, a vacuum pump and three reactors. Each reactor is provided with a solid feeding system, a gas inlet tube, an overflow tube and a drain tube, and the overflow tubes, the drain tubes, the gas inlet tubes of the adjacent reactors are respectively communicated with the discharge tube, the discharge tube is connected to the vacuum pump, the first reactor is provided with a liquid inlet metering pump and a raw material storage tank, and the third reactor is provided with a heating device and a pressure balance tube. The stepwise chlorine dioxide generator avoids the fact that hydrogen peroxide sulfuric acid liquor and solid sodium chlorate equivalent to each other are added to one reactor once to instantly generate highly dense chlorine dioxide and a large amount of reaction heat, and also overcomes the shortage of insufficiency. As each reactor has reaction heat, consumed heat is reduced greatly, operating efficiency is high, and conversion rate of raw materials is higher than 95%.
Description
Technical field
The utility model relates to a kind of environmental protecting sterilized equipment, relates in particular to a kind of substep chlorine dioxide generator.
Background technology
Prior art graded chlorine dioxide generator (200610088478.X), it is fairly perfect chlorine dioxide generator utility model, this utility model is provided with normal-temperature reaction still and pyroreaction still, taper off trend, temperature of reaction of reactant concn is and increases progressively trend between two reactors, the high density reactant reacts under cold condition, the lower concentration reactant reacts under hot conditions, and reacting phase is to steady, safety.Reactant concn is higher in the normal-temperature reaction still, and reaction is violent, and a large amount of reaction heat is arranged, and does not just need to have heated, and reacted raffinate enters the pyroreaction still through upflow tube.Reactant concn is lower in the pyroreaction still, and speed of reaction is low, is the raising speed of reaction, and reacts fully, and adopts the method for heating.
Prior art graded chlorine dioxide generator (200610088478.X), though fairly perfect, reaction acutely can produce a large amount of dioxide peroxide in moment in the normal-temperature reaction still, as untimely a large amount of dioxide peroxide and a large amount of reaction heat removed, just there is the hidden danger of safety.In the pyroreaction still because of reactant concn is lower, sluggish, temperature of reaction is low, needs heating, has wasted reaction heat virtually, has increased heat energy consumption.
The utility model content
The utility model provides a kind of safe in utilization, heat energy consumption is low, purity of chlorine dioxide is high substep chlorine dioxide generator in order to overcome the above problems.
The technical solution of the utility model is: comprise discharge nozzle, vacuum pump and three reactors, be respectively equipped with solid feeding system, inlet pipe, upflow tube and liquid discharge pipe on three reactors, upflow tube on the adjacent reaction still, liquid discharge pipe, inlet pipe, discharge nozzle communicate respectively, discharge nozzle is connected to vacuum pump, first reactor is provided with liquid feeding volume pump and raw material holding tank, and the 3rd reactor is provided with heating unit and pressure equalizing pipe.
Be respectively equipped with photoscope in three reactors, inlet pipe is provided with air flowmeter and air-distributor, and described air-distributor is arranged on the bottom of reactor.
Heating unit is connected with thermocouple temperature probe, heating automatic controller and intelligent power switch.
Solid feeding system comprises solid feeding screw, intelligent charging switch and charging automatic controller.
Discharge nozzle is provided with safety valve, pressure detecting instrument, and described pressure detecting instrument is connected with the charging automatic controller, and pressure equalizing pipe and liquid discharge pipe are provided with valve.
The utility model fills up normal hydrogen peroxide sulphuric acid soln in first reactor, in first reactor, add 1/3 of solid sodium chlorate total amount, safety coefficient improves greatly, go into second reactor in first reactor reaction back overflow, add 1/3 of solid sodium chlorate total amount again, this moment, reactor temperature was suitable, reactant concn is moderate, overflow is gone into the 3rd reactor and is added 1/3 of solid sodium chlorate total amount more then, avoided disposable normal hydrogen peroxide sulphuric acid soln and the solid sodium chlorate of in a reactor, filling up, moment produces the dioxide peroxide of high density and produces a large amount of reaction heat, also avoided the inadequate defective of reaction, the heat owing to all respond in each reactor, the heat energy that consumes significantly reduces, and high efficiency makes conversion of raw material greater than 95%.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
1 is air flowmeter among the figure, the 2nd, and solid feeding system, the 3rd, photoscope, 4 inlet pipe, 5 is first reactors, the 6th, air-distributor, the 7th, liquid discharge pipe, the 8th, upflow tube, the 9th, valve, 10 is the 3rd reactors, the 11st, heating unit, the 12nd, pressure equalizing pipe, the 13rd, thermocouple temperature probe, the 14th, intelligent power switch, the 15th, discharge nozzle, the 16th, vacuum pump, the 17th, pressure detecting instrument, the 18th, the heating automatic controller, the 19th, charging automatic controller, the 20th, safety valve, the 21st, raw material holding tank, the 22nd, the liquid feeding volume pump, 23 is second reactors.
Embodiment
The substep chlorine dioxide generator, comprise discharge nozzle 15, vacuum pump 16 and three reactors, be respectively equipped with solid feeding system 2, inlet pipe 4, upflow tube 8 and liquid discharge pipe 7 on three reactors, upflow tube 8 on the adjacent reaction still, liquid discharge pipe 7, inlet pipe 4, discharge nozzle 15 communicate respectively, discharge nozzle 15 is connected to vacuum pump 16, first reactor 5 is provided with liquid feeding volume pump 22 and raw material holding tank 21, the three reactors 10 are provided with heating unit 11 and pressure equalizing pipe 12.Be respectively equipped with photoscope 3 in three reactors, inlet pipe 4 is provided with air flowmeter 1 and air-distributor 6, and described air-distributor 6 is arranged on the bottom of reactor.Heating unit 11 is connected with thermocouple temperature probe 13, heating automatic controller 18 and intelligent power switch 14.Solid feeding system 2 comprises solid feeding screw, intelligent charging switch and charging automatic controller 19.Discharge nozzle 15 is provided with safety valve 20, pressure detecting instrument 17, and described pressure detecting instrument 17 is connected with charging automatic controller 19, and pressure equalizing pipe 12 and liquid discharge pipe 7 are provided with valve 9.
Described first reactor 5 and second reactor 23 are the normal-temperature reaction still, the 3rd reactor 10 is that three reactor sodium chlorate of reacting by heating still adopt the solid form metering feeding, sulfuric acid is taked 60%～80% vitriol oil metering feeding, and hydrogen peroxide is taked 25%～50% solution metering feeding; The temperature of reaction of the 3rd reactor 10 is 50 ℃～85 ℃.
Embodiment 1
Hydrogen peroxide with 30%, 65% sulphuric acid soln and solid sodium chlorate add raw material holding tank 21 and solid feeding system 2 respectively, open water-jetting type vacuum pump 16, make reactive system reach predetermined negative pressure-0.01MPa; Open air flowmeter 1, with given pace bubbling air (〉=10 times of theoretical generations of dioxide peroxide), open heating unit 11, keep 55 ℃ of reacting by heating still temperature of reaction, open liquid feeding volume pump 22 and solid feeding system 2 chargings by 19 controls of charging automatic controller, first reactor, 5 input speeds are controlled at: (V
H2SO4 solution/ ml): (V
H2O2 solution/ ml): (M
NaClO3/ g)=7.5: 2.1: 1; The input speed of the solid feeding system 2 of second reactor 23 and the 3rd reactor 5 and upflow tube 8 flow velocitys are proportioning mutually; The chlorine dioxide that produces is extracted out by water-jetting type vacuum pump 16 and is dissolved in the water or standby or sell in the absorption liquid outward.
This moment, the sodium chlorate transformation efficiency 93%, and chlorine dioxide purity is more than or equal to 98%, and the sulfuric acid usage quantity is 2.5mol/molClO
2.
When water-jetting type vacuum pump 16 breaks down or line clogging, when system pressure raises, charging automatic controller 19 stops solid feeding system 2 and liquid feeding volume pump 22 to the reactor charging automatically according to pressure detecting instrument 17 feedback signals, closes heating unit 11 automatically simultaneously, thus stopped reaction.Treat the system fault get rid of, when working properly, above-mentioned reaction side proceeds.
Embodiment 2
Hydrogen peroxide with 45%, 75% sulphuric acid soln and solid sodium chlorate add raw material holding tank 21 and solid feeding system 2 respectively, open water-jetting type vacuum pump 16, make reactive system reach predetermined negative pressure-0.03MPa; Open air flowmeter 1, with given pace bubbling air (〉=10 times of theoretical generations of dioxide peroxide), open heating unit 11, keep 65 ℃ of reacting by heating still temperature of reaction, open liquid feeding volume pump 22 and solid feeding system 2 chargings by 19 controls of charging automatic controller, first reactor, 5 input speeds are controlled at: (V
H2SO4 solution/ ml): (V
H2O2 solution/ ml): (M
NaClO3/ g)=4.8: 1.2: 1; The input speed of the solid feeding system 2 of second reactor 23 and the 3rd reactor 5 and upflow tube 8 flow velocitys are proportioning mutually; The chlorine dioxide that produces is extracted out by water-jetting type vacuum pump 16 and is dissolved in the water or standby or sell in the absorption liquid outward.
This moment, the sodium chlorate transformation efficiency 98%, and chlorine dioxide purity is more than or equal to 95%, and the sulfuric acid usage quantity is 2mol/molClO
2.
When water-jetting type vacuum pump 16 breaks down or line clogging, when system pressure raises, charging automatic controller 19 stops solid feeding system 2 and liquid feeding volume pump 22 to the reactor charging automatically according to pressure detecting instrument 17 feedback signals, closes heating unit 11 automatically simultaneously, thus stopped reaction.Treat the system fault get rid of, when working properly, above-mentioned reaction side proceeds.
Claims (5)
- The substep chlorine dioxide generator, comprise discharge nozzle, vacuum pump and three reactors, it is characterized in that: be respectively equipped with solid feeding system, inlet pipe, upflow tube and liquid discharge pipe on three reactors, upflow tube on the adjacent reaction still, liquid discharge pipe, inlet pipe, discharge nozzle communicate respectively, discharge nozzle is connected to vacuum pump, first reactor is provided with liquid feeding volume pump and raw material holding tank, and the 3rd reactor is provided with heating unit and pressure equalizing pipe.
- 2. substep chlorine dioxide generator according to claim 1 is characterized in that: be respectively equipped with photoscope in three reactors, inlet pipe is provided with air flowmeter and air-distributor, and described air-distributor is arranged on the bottom of reactor.
- 3. substep chlorine dioxide generator according to claim 1 is characterized in that: heating unit is connected with thermocouple temperature probe, heating automatic controller and intelligent power switch.
- 4. substep chlorine dioxide generator according to claim 1 is characterized in that: solid feeding system comprises solid feeding screw, intelligent charging switch and charging automatic controller.
- 5. substep chlorine dioxide generator according to claim 1 is characterized in that: discharge nozzle is provided with safety valve, pressure detecting instrument, and described pressure detecting instrument is connected with the charging automatic controller, and pressure equalizing pipe and liquid discharge pipe are provided with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205949903U CN201873516U (en) | 2010-10-31 | 2010-10-31 | Stepwise chlorine dioxide generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205949903U CN201873516U (en) | 2010-10-31 | 2010-10-31 | Stepwise chlorine dioxide generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201873516U true CN201873516U (en) | 2011-06-22 |
Family
ID=44161445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205949903U Expired - Lifetime CN201873516U (en) | 2010-10-31 | 2010-10-31 | Stepwise chlorine dioxide generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201873516U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102464301A (en) * | 2010-10-31 | 2012-05-23 | 扬州龙锦涂装环保设备有限公司 | Multi-step chlorine dioxide generator |
| CN107617412A (en) * | 2017-08-31 | 2018-01-23 | 四川齐力绿源水处理科技有限公司 | A kind of chlorine dioxide preparation apparatus and preparation method |
-
2010
- 2010-10-31 CN CN2010205949903U patent/CN201873516U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102464301A (en) * | 2010-10-31 | 2012-05-23 | 扬州龙锦涂装环保设备有限公司 | Multi-step chlorine dioxide generator |
| CN102464301B (en) * | 2010-10-31 | 2013-03-13 | 扬州龙锦涂装环保设备有限公司 | Multi-step chlorine dioxide generator |
| CN107617412A (en) * | 2017-08-31 | 2018-01-23 | 四川齐力绿源水处理科技有限公司 | A kind of chlorine dioxide preparation apparatus and preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110622 Effective date of abandoning: 20130313 |
|
| RGAV | Abandon patent right to avoid regrant |