CN104192806B - Reactor and adopt the chlorine dioxide generator of this reactor - Google Patents
Reactor and adopt the chlorine dioxide generator of this reactor Download PDFInfo
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- CN104192806B CN104192806B CN201410462690.2A CN201410462690A CN104192806B CN 104192806 B CN104192806 B CN 104192806B CN 201410462690 A CN201410462690 A CN 201410462690A CN 104192806 B CN104192806 B CN 104192806B
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Abstract
The invention discloses a kind of reactor, comprise the housing with inner chamber, the inner chamber of reactor is separated into internal layer, middle level and skin; The hybrid chamber that internal layer becomes to be interconnected by channels separated and the first reaction chamber, hybrid chamber is positioned at the top of the first reaction chamber, and middle level is set to heating chamber, and skin is set to the second reaction chamber; Be communicated with by reaction solution pipe connecting in bottom opening between first reaction chamber with the second reaction chamber, be communicated with by air pipe connecting at top drilling between hybrid chamber with the second reaction chamber; Be provided with at the top of housing be communicated with hybrid chamber respectively the first dosing mouth, the second dosing mouth, air outlet; Be provided with at the top of housing be communicated with heating chamber filler, heating gate; The inlet mouth be communicated with the second reaction chamber is provided with at housing upper.The invention also discloses the chlorine dioxide generator adopting this reactor.The present invention has that compact construction, volume are little, product yield is stablized and the feature high, product yield is higher, avoids a seal erosion inefficacy difficult problem.
Description
Technical field
The present invention relates to a kind of chemical reaction equipment, particularly relate to a kind of reactor and adopt the chlorine dioxide generator of this reactor.
Background technology
At present, chlorine dioxide generator brand is more, and be divided into high-pure chlorinedioxide generator and dioxide peroxide and two kinds, chlorine mixing disinfectant producer according to generation product, the producer applying more is the latter.Dioxide peroxide and chlorine mixing disinfectant producer Current Main Problems Existing have following some: the reactor that 1, traditional chlorine dioxide generator adopts mostly is tower structure, transformation efficiency is not high, a lot of all at about 70%-85%, and in order to improve transformation efficiency, be generally the mode adopting multiple reactor to connect with pipeline, there is complex structure, bulky shortcoming; 2, dioxide peroxide yield and purity are not high; 3, be added in water body together with gas containing unreacted starting material oxymuriate or chlorite in raffinate and go, easily cause chlorate anions, chlorite exceeds standard; 4, reaction vessel quality is uneven, and main material is tetrafluoroethylene, titanium alloy etc., and the former is not long for work-ing life, and the latter's price is higher.
Summary of the invention
For the deficiencies in the prior art, an object of the present invention is to provide that a kind of compact construction, volume are little, product yield is stablized and the reactor high, product yield is higher.
An object of the present invention can also provide a kind of reactor, adopts high-boron-silicon glass one-body molded, avoids the seal erosion inefficacy difficult problem of each connection portion under the severe corrosives such as dioxide peroxide, chlorine and hydrochloric acid and high temperature, improve work-ing life.
Two of object of the present invention is to provide a kind of chlorine dioxide generator adopting aforesaid reaction vessel, raffinate can being separated with gas, effectively prevent raffinate and adds the disinfection byproduct (DBP) risk of exceeding criterion that water body brings; In addition, this device adopts unique medicament Controlling System, realizes adding of agent ratio automatic comparison and regulates, thus the stability that the equipment of guarantee runs.
For achieving the above object, the present invention adopts following technical scheme:
Reactor, comprises the housing with inner chamber, it is characterized in that:
1) inner chamber of described reactor is separated into internal layer, middle level and skin, forms three layers of nesting type structure;
2) described reactor adopts any one in the following two kinds structure:
A) the internal layer hybrid chamber that becomes to be interconnected by channels separated and the first reaction chamber, hybrid chamber is positioned at the top of the first reaction chamber, and middle level is set to heating chamber, and skin is set to the second reaction chamber;
B) the outer hybrid chamber that becomes to be interconnected by channels separated and the first reaction chamber, hybrid chamber is positioned at the top of the first reaction chamber, and middle level is set to heating chamber, and internal layer is set to the second reaction chamber;
3) described first reaction chamber is communicated with by reaction solution pipe connecting in bottom opening with between the second reaction chamber, is communicated with between described hybrid chamber with the second reaction chamber at top drilling by air pipe connecting; Be provided with at the top of housing be communicated with hybrid chamber respectively the first dosing mouth, the second dosing mouth, air outlet; Be provided with at the top of housing be communicated with heating chamber filler, heating gate; The inlet mouth be communicated with the second reaction chamber is provided with at housing upper.
Realizing one embodiment of the present invention is: described reactor is the reactor adopting high-boron-silicon glass to be made, its structure that is formed in one.
Realizing one embodiment of the present invention is: the first division plate that described partition member is arranged alternately from top to bottom successively by several and the second division plate are formed, wherein, the middle part of the first division plate and the second division plate is equipped with the circle ring column extended upward, the position that first division plate is positioned at circle ring column inside is provided with the through hole run through, and the position the second division plate is positioned at outside circle ring column is provided with looping pit.
Realizing one embodiment of the present invention is: be also provided with the pressure survey mouth be communicated with hybrid chamber at the top of housing.
Realizing one embodiment of the present invention is: be also provided with the overflow port be communicated with heating chamber respectively and level monitoring mouth at the top of housing.
Realizing one embodiment of the present invention is: be also provided with that the water be communicated with the second reaction chamber is respectively blurted out at housing upper, raffinate mouth and temperature-measuring port.
Realizing one embodiment of the present invention is: be also provided with the evacuation port be communicated with the first reaction chamber in the bottom of housing.
Realizing one embodiment of the present invention is: on the sidewall of housing, be also provided with the first liquid level observing pipe and the second liquid level observing pipe that are communicated with the second reaction chamber with heating chamber respectively.
Chlorine dioxide generator, is characterized in that: comprise reactor, Controlling System and dosing system;
1) described reactor is the reactor described in an object of the present invention;
2) described Controlling System comprises controller, well heater, the first temperature sensor, the second temperature sensor, negative pressure transducer, liquidometer; Described well heater is arranged in the heating chamber of reactor, and its signal input part is connected with the signal output part of controller; Described first temperature sensor is arranged in the heating chamber of reactor, and its signal output part is connected with the signal input part of controller; Described second temperature sensor is arranged in the second reaction chamber of reactor, and its signal output part is connected with the signal input part of controller; Described negative pressure transducer is arranged in the hybrid chamber of reactor, and its signal output part is connected with the signal input part of controller; Described liquidometer is arranged in the heating chamber of reactor, and its signal output part is connected with the signal input part of controller;
3) described dosing system comprises adding of agent system and chlorine dioxide dosing system;
3-1) described adding of agent system comprises the sodium chlorate hold-up vessel with the first ultrasonic level gage, with the hydrochloric acid hold-up vessel of the second ultrasonic level gage; The output terminal of described sodium chlorate hold-up vessel is connected with the first dosing mouth of reactor by volume pump, and the output terminal of described hydrochloric acid hold-up vessel is connected with the second dosing mouth of reactor by volume pump; First ultrasonic level gage is connected with the controller of Controlling System respectively with the second ultrasonic level gage; The signal input part of two volume pumps is connected with the signal output part of controller respectively;
3-2) described chlorine dioxide dosing system comprises divider and water sprayer; The inlet end of divider is connected with the air outlet of reactor, and its outlet side is connected with the inlet end of water sprayer.
Realizing one embodiment of the present invention is: described Controlling System also comprises safety alarm, and the signal input part of described safety alarm is connected with the signal output part of the first temperature sensor, the second temperature sensor, negative pressure transducer, liquidometer respectively.
Beneficial effect of the present invention is:
1, more compact in structure of the present invention, volume is less, is different from the tower structure of traditional chlorine dioxide reaction still, and adopt nesting type structure, reactor divides three layers, interior China and foreign countries, comprises hybrid chamber, the first reaction chamber, heating chamber and the second reaction chamber; Connection between each layer, by connecting in internal openings adapter, decreases outside pipeline and connects, and adopts high-boron-silicon glass one-body molded, avoids the seal erosion inefficacy difficult problem of each connection portion under the severe corrosives such as dioxide peroxide, chlorine and hydrochloric acid and high temperature.
2, the present invention is on reactor material, be different from the material such as tetrafluoroethylene, titanium alloy, high chlorinated polyvinyl chloride that other chlorine dioxide generator producers adopt, original creation uses high-boron-silicon glass to make, and the making selection for chlorine dioxide generator provides a useful thinking.High-boron-silicon glass has stronger break resistance; Acid-fast alkali-proof is water-fast, corrosion resistance is superior, have good thermostability, chemical stability and electric property, have resistance to chemical attack, thermal-shock resistance, bear the characteristics such as high temperature, processing characteristics is good, the shape and structure of various complexity can be formed, though there is fragility comparatively large, resistance to mechanical is not impacted, the feature higher to movement requirement, but the limitation of transporting along with the development of communication and logistics industry greatly reduces, and following application prospect is extensive.
3, the present invention is by three grade of three temperature reaction, unique heating in water bath structure, the difference of heat transfer area makes hybrid chamber, the first reaction chamber different with the temperature of the second reaction chamber, improve dioxide peroxide yield, third order reaction ensures the enough reaction times (the longest 90min) simultaneously, thus makes conversion rate of chlorine dioxide reach more than 93%.
4, chlorine dioxide generator hydrochloric acid and the whether accurate transformation efficiency for dioxide peroxide of sodium chlorate dosages distribution affect larger, the present invention adopts unique medicament Controlling System, the actual consumption amount L of the medicament in certain hour is calculated by the ultrasonic level gage monitoring liquid level change situation of storage tank, the theoretical pharmaceutical quantities that adding water body in certain hour needs measures the umber of pulse N of volume pump in this time period of volume pump divided by the laxative of pulse every under fixed stroke, to obtain the every pulse laxative amount m under current stroke divided by umber of pulse N with actual consumption amount L, realize adding of agent ratio automatic comparison to regulate.Raffinate can be separated with gas by the present invention, effectively prevent raffinate and adds the disinfection byproduct (DBP) risk of exceeding criterion that water body brings; This device realizes adding of agent ratio automatic comparison and regulates, thus improves conversion rate of chlorine dioxide further.
In sum, the invention provides a kind of high reliability, high efficiency reactor and chlorine dioxide generator.This reactor adopts integrated high-boron-silicon glass to make, corrosion-and high-temp-resistant, the chlorine dioxide generation technology and the accurate medicament that have three grade of three temperature of unique texture control and security alerting system, guarantee that the reaction times reaches more than 60 minutes, reach most 90min, heating in water bath mode is simple, stable and gentle, avoid well heater etching problem, conversion rate of chlorine dioxide is stable and high, the technique of multistage many temperature makes dioxide peroxide yield higher, adopt gas-liquid separator (divider and water sprayer) that raffinate is separated with gas, effectively prevent raffinate and add the disinfection byproduct (DBP) risk of exceeding criterion that water body brings.Make on material at chlorine dioxide generator and be different from other chlorine dioxide plant producers, selected high-boron-silicon glass, belonged to pioneering.
Accompanying drawing explanation
Fig. 1 is the sectional view of the reactor of the embodiment of the present invention 1.
Fig. 2 is the plan structure schematic diagram of the reactor of the embodiment of the present invention 1.
Fig. 3 is the system architecture schematic diagram of the chlorine dioxide generator of the embodiment of the present invention 1.
Wherein: 1, housing; 11, hybrid chamber; 111, the first dosing mouth; 112, the second dosing mouth; 113, air outlet; 114, pressure survey mouth; 12, the first reaction chamber; 121, evacuation port; 13, heating chamber; 131, filler; 132, heating gate; 133, overflow port; 134, the first level monitoring mouth; 135, the second level monitoring mouth; 14, the second reaction chamber; 141, inlet mouth; 142, water is blurted out; 143, raffinate mouth; 144, temperature-measuring port; 15, reaction solution pipe connecting; 16, air pipe connecting; 17, the first division plate; 171, through hole; 18, the second division plate; 181, looping pit; 19, the first liquid level observing pipe; 20, the second liquid level observation pipe; 21, controller; 22, well heater; 23, the first temperature sensor; 24, the second temperature sensor; 25, negative pressure transducer; 26, liquidometer; 31, sodium chlorate hold-up vessel; 32, hydrochloric acid hold-up vessel; 33, the first ultrasonic level gage; 34, the second ultrasonic level gage; 35, volume pump; 41, divider; 42, water sprayer.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the present invention is described further:
Embodiment 1:
See figures.1.and.2, reactor described in the present embodiment, comprises the housing 1 with inner chamber,
1) inner chamber of described reactor is separated into internal layer, middle level and skin, forms three layers of nesting type structure;
2) described reactor adopts following structure: a) the internal layer hybrid chamber 11 that becomes to be interconnected by channels separated and the first reaction chamber 12, and hybrid chamber 11 is positioned at the top of the first reaction chamber 12, and middle level is set to heating chamber 13, and skin is set to the second reaction chamber 14;
3) described first reaction chamber 12 is communicated with by reaction solution pipe connecting 15 in bottom opening with between the second reaction chamber 14, is communicated with between described hybrid chamber 11 with the second reaction chamber 14 at top drilling by air pipe connecting 16; Be provided with at the top of housing 1 be communicated with hybrid chamber 11 respectively the first dosing mouth 111, second dosing mouth 112, air outlet 113; Be provided with at the top of housing 1 be communicated with heating chamber 13 filler 131, heating gate 132; The inlet mouth 141 be communicated with the second reaction chamber 14 is provided with on housing 1 top.
Described reactor is the reactor adopting high-boron-silicon glass to be made, its structure that is formed in one.
The first division plate 17 that described partition member is arranged alternately from top to bottom successively by several and the second division plate 18 are formed, wherein, the middle part of the first division plate 17 and the second division plate 18 is equipped with the circle ring column extended upward, the position that first division plate 17 is positioned at circle ring column inside is provided with the through hole 171 run through, and on the second division plate 18, the position be positioned at outside circle ring column is provided with looping pit 181.Adopt this structure can increase the mixing of liquid and the time of heat absorption, liquid is mixed more even, and realize partial reaction.The quantity of described first division plate 17 is three, and the quantity of described second division plate 18 is three.
The pressure survey mouth 114 be communicated with hybrid chamber 11 is also provided with at the top of housing 1.
The overflow port 133 and the first level monitoring mouth 134 and the second Level Detection mouth 135 that are communicated with heating chamber 13 respectively is also provided with at the top of housing 1.
Also be provided with on housing 1 top that the water be communicated with the second reaction chamber 14 respectively blurts out 142, raffinate mouth 143 and temperature-measuring port 144.
The evacuation port 121 be communicated with the first reaction chamber 12 is also provided with in the bottom of housing 1.
The sidewall of housing 1 is also provided with the first liquid level observing pipe 19 and the second liquid level observing pipe 20 be communicated with the second reaction chamber 14 with heating chamber 13 respectively.With reference to Fig. 3, chlorine dioxide generator, comprises reactor, Controlling System and dosing system;
1) described reactor is the reactor described in an object of the present invention;
2) described Controlling System comprises controller 21, well heater 22, first temperature sensor 23, second temperature sensor 24, negative pressure transducer 25, liquidometer 26; Described well heater 22 is arranged in the heating chamber 13 of reactor, and its signal input part is connected with the signal output part of controller 21; Described first temperature sensor 23 is arranged in the heating chamber 13 of reactor, and its signal output part is connected with the signal input part of controller 21; Described second temperature sensor 24 is arranged in the second reaction chamber 14 of reactor, and its signal output part is connected with the signal input part of controller 21; Described negative pressure transducer 25 is arranged in the hybrid chamber 11 of reactor, and its signal output part is connected with the signal input part of controller 21; Described liquidometer 26 is arranged in the heating chamber 13 of reactor, and its signal output part is connected with the signal input part of controller 21;
3) described dosing system comprises adding of agent system and chlorine dioxide dosing system;
3-1) described adding of agent system comprises the sodium chlorate hold-up vessel 31 with the first ultrasonic level gage 33, with the hydrochloric acid hold-up vessel 32 of the second ultrasonic level gage 34; The output terminal of described sodium chlorate hold-up vessel 31 is connected with the first dosing mouth 111 of reactor by volume pump 35, and the output terminal of described hydrochloric acid hold-up vessel 32 is connected with the second dosing mouth 112 of reactor by volume pump 35; First ultrasonic level gage 33 is connected with the controller 21 of Controlling System respectively with the second ultrasonic level gage 34; The signal input part of two volume pumps 35 is connected with the signal output part of controller 21 respectively;
3-2) described chlorine dioxide dosing system comprises divider 41 and water sprayer 42; The inlet end of divider 41 is connected with the air outlet 113 of reactor, and its outlet side is connected with the inlet end of water sprayer 42.
Described Controlling System also comprises safety alarm, and the signal input part of described safety alarm is connected with the signal output part of the first temperature sensor 23, second temperature sensor 24, negative pressure transducer 25, liquidometer 26 respectively.
The principle of work of this device is the mixed gas that certain density sodium chlorate solution and concentrated hydrochloric acid carry out being obtained by reacting dioxide peroxide and chlorine at a certain temperature, dioxide peroxide yield is improved by different multistage many temperature reactions of hybrid chamber, reaction chamber temperature, by improving the reaction times (maximum reach 90min), improve conversion rate of chlorine dioxide.
This device working process is as follows:
1, added water toward heating zone by filler, water starts heating gate well heater (dual-purpose two standby) after reaching setting liquid level makes heating zone water temperature reach preset temp 75 DEG C;
2, start the water sprayer in Fig. 3, make reactor inside form certain vacuum;
3, hydrochloric acid in Fig. 3 and sodium chlorate volume pump is started medicament according to hydrochloric acid: the volume ratio of sodium chlorate=2:1 is added in reactor by the first dosing mouth and the second dosing mouth goes;
4, hydrochloric acid and sodium chlorate carry out mixing through multiple first division plate of Fig. 1 mixing zone and the second division plate in reactor, absorb heat, partial reaction (temperature 40-50 DEG C), then flow by gravity proceeds to react (temperature 60-70 DEG C) to the first reaction chamber heat absorption, flow to the second reaction chamber heat absorption by the reaction solution pipe connecting bottom reactor again to proceed to react (temperature 60-70 DEG C), overflow in raffinate bucket after the liquid level of the second reaction chamber reaches the height of raffinate mouth gradually and store, in reaction process, produce dioxide peroxide and chlorine mixed gas.
5, air is passed into by inlet mouth toward the second reaction chamber in whole reaction process, then gas enters the top of reactor hybrid chamber by air pipe connecting, air is diluted to less than 10% chlorine dioxide gas concentration in reactor, and the dioxide peroxide of generation, chlorine and air gas mixture are added in water body after being extracted out by air outlet water sprayer and go.
6, control heating zone two position by the liquidometer of the level monitoring mouth of heating chamber in reaction process, by motorized valve auto-compensation during lack of water, overflow to outside reactor by overflow port during water excess; The another monitoring reactor reaction liquid temperature of the temp probe by temperature-measuring port and heating chamber temperature, when reaction liquid temperature is lower than set(ting)value, improve heating chamber temperature (not higher than the highest set(ting)value), thus ensure the stable of temperature of reaction.
7, need in reactor in reaction process to ensure enough vacuum tightness, in vacuum tightness during too low or other faults, open evacuation port and water is blurted out, carry out emptying cleaning.
Embodiment 2:
The feature of the present embodiment is: described reactor adopts following structure:
B) the outer hybrid chamber that becomes to be interconnected by channels separated and the first reaction chamber, hybrid chamber is positioned at the top of the first reaction chamber, and middle level is set to heating chamber, and internal layer is set to the second reaction chamber;
Other are identical with embodiment 1.
Other embodiments:
Reactor innermost layer mixing zone of the present invention adopts dividing plate mixing, also can change other mixed form into, such as Raschig ring, ripple packing etc.;
First reaction chamber of reactor of the present invention, the second reaction chamber can increase filler and strengthen hybrid reaction effect; Closed tube between innermost layer and outermost layer can increase in conjunction with needs.
Reactor of the present invention is prepared except dioxide peroxide and chlorine mixed gas except reacting for hydrochloric acid and sodium chlorate, is also applicable to various medicaments and reacts in a heated condition, and product is the chemical process of gas.
Multiple reactor of the present invention can also be used to link together, multistage many temperature reactions of formation.
The biochemical preparation facilities made with reactor structure of the present invention same or similar triplex glass reactor.
For a person skilled in the art, according to technical scheme described above and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection domain of the claims in the present invention.
Claims (10)
1. reactor, comprises the housing with inner chamber, it is characterized in that:
1) inner chamber of described reactor is separated into internal layer, middle level and skin, forms three layers of nesting type structure;
2) described reactor adopts any one in the following two kinds structure:
A) the internal layer hybrid chamber that becomes to be interconnected by channels separated and the first reaction chamber, hybrid chamber is positioned at the top of the first reaction chamber, and middle level is set to heating chamber, and skin is set to the second reaction chamber;
B) the outer hybrid chamber that becomes to be interconnected by channels separated and the first reaction chamber, hybrid chamber is positioned at the top of the first reaction chamber, and middle level is set to heating chamber, and internal layer is set to the second reaction chamber;
3) described first reaction chamber is communicated with by reaction solution pipe connecting in bottom opening with between the second reaction chamber, is communicated with between described hybrid chamber with the second reaction chamber at top drilling by air pipe connecting; Be provided with at the top of housing be communicated with hybrid chamber respectively the first dosing mouth, the second dosing mouth, air outlet; Be provided with at the top of housing be communicated with heating chamber filler, heating gate; The inlet mouth be communicated with the second reaction chamber is provided with at housing upper.
2. reactor according to claim 1, is characterized in that: described reactor is the reactor adopting high-boron-silicon glass to be made, its structure that is formed in one.
3. reactor according to claim 1, it is characterized in that: the first division plate that described partition member is arranged alternately from top to bottom successively by several and the second division plate are formed, wherein, the middle part of the first division plate and the second division plate is equipped with the circle ring column extended upward, the position that first division plate is positioned at circle ring column inside is provided with the through hole run through, and the position the second division plate is positioned at outside circle ring column is provided with looping pit.
4. reactor according to claim 1, is characterized in that: be also provided with the pressure survey mouth be communicated with hybrid chamber at the top of housing.
5. reactor according to claim 1, is characterized in that: be also provided with the overflow port be communicated with heating chamber respectively and level monitoring mouth at the top of housing.
6. reactor according to claim 1, is characterized in that: be also provided with in housing side that the water be communicated with the second reaction chamber is respectively blurted out, raffinate mouth and temperature-measuring port.
7. reactor according to claim 1, is characterized in that: be also provided with the evacuation port be communicated with the first reaction chamber in the bottom of housing.
8. reactor according to claim 1, is characterized in that: on the sidewall of housing, be also provided with the first liquid level observing pipe and the second liquid level observing pipe that are communicated with the second reaction chamber with heating chamber respectively.
9. chlorine dioxide generator, is characterized in that: comprise reactor, Controlling System and dosing system;
1) described reactor is the reactor in claim 1-8 described in any one;
2) described Controlling System comprises controller, well heater, the first temperature sensor, the second temperature sensor, negative pressure transducer, liquidometer; Described well heater is arranged in the heating chamber of reactor, and its signal input part is connected with the signal output part of controller; Described first temperature sensor is arranged in the heating chamber of reactor, and its signal output part is connected with the signal input part of controller; Described second temperature sensor is arranged in the second reaction chamber of reactor, and its signal output part is connected with the signal input part of controller; Described negative pressure transducer is arranged at the hybrid chamber top of reactor, and its signal output part is connected with the signal input part of controller; Described liquidometer is arranged in the heating chamber of reactor, and its signal output part is connected with the signal input part of controller;
3) described dosing system comprises adding of agent system and chlorine dioxide dosing system;
3-1) described adding of agent system comprises the sodium chlorate hold-up vessel with the first ultrasonic level gage, with the hydrochloric acid hold-up vessel of the second ultrasonic level gage; The output terminal of described sodium chlorate hold-up vessel is connected with the first dosing mouth of reactor by volume pump, and the output terminal of described hydrochloric acid hold-up vessel is connected with the second dosing mouth of reactor by volume pump; First ultrasonic level gage is connected with the controller of Controlling System respectively with the second ultrasonic level gage; The signal input part of two volume pumps is connected with the signal output part of controller respectively;
3-2) described chlorine dioxide dosing system comprises divider and water sprayer; The inlet end of divider is connected with the air outlet of reactor, and its outlet side is connected with the inlet end of water sprayer.
10. chlorine dioxide generator according to claim 9, it is characterized in that: described Controlling System also comprises safety alarm, the signal input part of described safety alarm is connected with the signal output part of the first temperature sensor, the second temperature sensor, negative pressure transducer, liquidometer respectively.
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| CN106586965A (en) * | 2015-10-19 | 2017-04-26 | 湖南源生环保设备有限公司 | Chlorine dioxide generator |
| CN110586005A (en) * | 2019-10-14 | 2019-12-20 | 绍兴升阳水处理剂有限公司 | Accurate feeder apparatus of throwing of reactant |
| CN112374590A (en) * | 2020-11-23 | 2021-02-19 | 重庆合弘欣环保科技有限公司 | Automatic chlorination device for water treatment |
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| CN203648516U (en) * | 2013-12-20 | 2014-06-18 | 吴江市俊成精密机械有限公司 | Reaction kettle |
| CN204079477U (en) * | 2014-09-11 | 2015-01-07 | 深圳市深水宝安水务集团有限公司 | Reactor and adopt the chlorine dioxide generator of this reactor |
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| CN203648516U (en) * | 2013-12-20 | 2014-06-18 | 吴江市俊成精密机械有限公司 | Reaction kettle |
| CN204079477U (en) * | 2014-09-11 | 2015-01-07 | 深圳市深水宝安水务集团有限公司 | Reactor and adopt the chlorine dioxide generator of this reactor |
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