CN108375651A - The detection method and detection device of gas reaction concentration - Google Patents
The detection method and detection device of gas reaction concentration Download PDFInfo
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- CN108375651A CN108375651A CN201810156726.2A CN201810156726A CN108375651A CN 108375651 A CN108375651 A CN 108375651A CN 201810156726 A CN201810156726 A CN 201810156726A CN 108375651 A CN108375651 A CN 108375651A
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- 238000001514 detection method Methods 0.000 title claims abstract description 59
- 239000000376 reactant Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims description 118
- 239000002826 coolant Substances 0.000 claims description 91
- 238000001816 cooling Methods 0.000 claims description 58
- 239000000126 substance Substances 0.000 claims description 22
- 239000000047 product Substances 0.000 claims description 11
- 239000000110 cooling liquid Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 4
- 239000012263 liquid product Substances 0.000 claims description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical class [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 94
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000005070 sampling Methods 0.000 abstract description 7
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- 229910052760 oxygen Inorganic materials 0.000 description 20
- 230000000694 effects Effects 0.000 description 11
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- 238000000034 method Methods 0.000 description 8
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0039—O3
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The detection method and detection device of gas reaction concentration, belong to Concentration Detection field.It is characterized in that：Detection method includes the following steps：Step 1）, the total volumetric flow rate of gas reactant before reaction is measured in real timeQ 1 WithQ 2 ；Step 2）, calculate the real-time volume flow difference Q of the front and back gas of chemical reaction；Step 3）, determine the relationship of the volume changes value V and the volume V of gas to be detected of the front and back gas of reaction, calculate the volume flow Q of gas to be detected3；Step 4）, each gas reactant is equivalent at equivalent reactant according to the ratio between its corresponding stoichiometric number；Step 5）, calculate the gaseous mass percentage of gas to be detected：The detection method of this gas reaction concentration solves the problems, such as that the prior art must be detected by way of sampling by the variation relation of gas volume before and after chemical reaction, improves accuracy and the stability of detection；This ozone generating-device can monitor the concentration of the ozone of production in real time.
Description
Technical field
The detection method and detection device of gas reaction concentration, belong to Concentration Detection field.
Background technology
Ozone is the allotrope of oxygen element, and at normal temperatures, ozone is a kind of blue gas having off-odor, ozone
Purposes it is very much, can to trade effluent, sanitary sewage and hospital sewage carry out advanced treating, various impurity in water can be removed,
It can sterilization；Ozone can remove incrustation scale, prevent obstruction pipeline；Using ozonization sterilizing, there is no any harmful
Residue（Such as there is carcinogenic halogenated organic to generate with chlorination）, have very much to sterilisation quality's problem of raising drinking water
Effect.And the application of ozone at present also is accelerating to expand, in the high-quality oxidation film formation of semiconductor production manufacturing field, photoresist
Erosion cleaning process, also Ozone Ice produce, the ozone of ultrahigh concentration ultra-high purity is all be unable to do without in terms of health care etc..
Any of the above purposes of ozone is built upon under the conditions of ozone reaches a certain concentration and certain high-purity, so, ozone technology
Development all with high concentration high-purity low consumption be pursue a goal.
The development of artificial synthesized ozone technology also has more than 100 years history, and application at present is more widely ozone hair
Raw device carries out corona discharge to oxygen in air gap or air and generates ozone.In order to ensure the using effect of ozone, need to ozone
Production is detected and controls.The existing detection to ozone concentration is mostly carried out by the way of sampling, but sampling Detection exists
Certain limitation, it is difficult to a wide range of concentration for accurately reflecting ozone.It is by special at present both at home and abroad to the detection of ozone concentration
The ozone concentration detector of door carrys out sampling analysis detection, using uv analysis method.This method is generated by ultraviolet lamp
Ultraviolet light filters other length ultraviolet light with lightwave filter, only 253.7nm is allowed to pass through.By sample photoelectric sensor, then
Photoelectric sensor is reached behind Ozone Absorption pond, is compared by sample photoelectric sensor and sampled light electrical sensor signal, then pass through
Cross the size that concentration is calculated of mathematical model.This detection method can also ensure when ozone concentration is in 0-20wt%
Certain precision, but its accuracy of detection is just difficult to ensure as ozone concentration 25wt% or more.And this detection device valence
Lattice are expensive, and sensitive to impurity, such as ozone gas belongs to high energy capacity material form with ultraviolet light, smelly particularly with high concentration
It for oxygen, easily causes substance calcination and oxide focuses, interfere the pure such as one of detection space, it is difficult to ensure its testing result
One inertia.For precision instrument, regular dismounting and maintenance can not be often carried out to it, so, ozone industry
Detection is always a big problem.
Since ozone production level international and domestic at present is not examined in the left and right horizontal of 10wt%, domestic and international market
Survey the instrument more than 30wt% concentration of ozone.It is more than that 30wt% or more research and production are brought that this innovates production ozone concentration for us
Very big difficulty.This has to make us to make great efforts to develop the detecting instrument of this respect by oneself.
At present it is international and domestic about Concentration Testing in terms of, the detection technique seen by us be all sampling and for detect
Substance characteristics and design.According to this content of detection, current Concentration Testing method can be referred to as indirect detection by we
Method.Because this method is there are two transfer process, one be sampling recovery, the other is for substance characteristics and concentration
Conversion, these data detected have no the process directly contacted with concentration.It is international and domestic at present all for this concept
Concentration Detection be all rather than to be directly used as from concentration dependent data according to releasing from indirect, such as volume, weight
Variation etc..This makes us being extremely puzzled.This be also we be worth after exploratory development to it has been proposed that one developing hair
Open up direction.
Especially in ozone industry, the detection of concentration, people are difficult to imagine to connect with weight, volume, mainly
Up to the present, the example of this respect and scientific and technical data are not related to the research and introduction of this respect.
Invention content
The technical problem to be solved by the present invention is to：One kind is overcome the deficiencies of the prior art and provide by chemically reacting
The variation relation of front and back gas volume calculates the gas that gas concentration after reaction, detection are accurate and will not be influenced by gas concentration
The detection method and detection device of reaction density.
The technical solution adopted by the present invention to solve the technical problems is：It should
The detection method of gas reaction concentration, it is characterised in that：Include the following steps：
Step 1）, under the same conditions, the total volumetric flow rate of gas reactant before reaction is measured in real timeQ 1 , wherein each gas reaction
Object is inputted according to the ratio between corresponding stoichiometric number in chemical equation, measures the total volume stream of admixture of gas after reaction in real time
AmountQ 2 ；
Step 2）The chemical reaction real-time volume flow difference Q of front and back gas is calculated,
∆Q=|Q1- Q2|；
Step 3）, determine the volume changes value V of the front and back gas of reaction with the volume V's of gas to be detected by chemical equation
Relationship calculates the volume flow Q of gas to be detected after reaction3：
；
Step 4）, according to the chemical equation chemically reacted, by each gas reactant according to its corresponding stoichiometric number
The ratio between it is equivalent at equivalent reactant, and calculate the average molar mass of equivalent reactantM 0 ；
Step 5）, calculate the gaseous mass percentage of gas to be detected：
；
Wherein,mFor the quality of liquid product or fixed product,M 1 For the molal weight of gas molecule to be detected.
Preferably, step 1）Described in the same terms include identical temperature condition and identical pressure condition.
Preferably, step 2）Or step 4）Described in chemical reaction gaseous products have and only one kind.
Preferably, step 2）Or step 4）Described in chemical reaction be combination reaction.
A kind of detection device of detection method using above-mentioned gas reaction density, it is characterised in that：Including generator master
Body, at least one reaction module, power supply and the control device being arranged in generator main body, reaction module are connected with air inlet pipe
And escape pipe, the detection module for detection gas volume flow, the letter of detection module are both provided in air inlet pipe and an air outlet pipe
Number output end is connected with the signal output end of control device, and reaction module is connected with power supply.
Preferably, each reaction module includes more reaction tubes, the cooling passage both ends of each reaction tube
It is connected separately with inlet tube and outlet tube, the gas passage both ends of each reaction tube are separately connected air inlet pipe and an air outlet pipe, gas
The inner side and outer side insulation set in channel, and the discharge electrode of the inside connection power supply of gas passage, the connection of gas passage outside
Power supply earth polar.
Preferably, the reaction tube is vertically arranged, and the cooling passage upper end of reaction tube is connected to outlet tube, cooling
Liquid channel lower end is connected to inlet tube, and the gas passage upper end of reaction tube is connected to air inlet pipe, the lower end of gas passage and outlet
Pipe is connected to.
Preferably, the cooling passage includes interior cooling passage and outer cooling passage, and gas passage is around interior
Cooling passage is arranged, and outer cooling passage is arranged around gas passage；
Inlet tube includes interior coolant liquid inlet tube and outer coolant liquid inlet tube, and outlet tube includes interior coolant liquid outlet tube and outer cooling
Liquid outlet tube, the lower end of interior cooling passage are connected to interior coolant liquid inlet tube, and upper end is connected to interior coolant liquid outlet tube, outer cold
But the lower end in liquid channel is connected to outer coolant liquid inlet tube, and upper end is connected to outer coolant liquid outlet tube.
Preferably, described every reaction tube include outer tube that is coaxial and setting gradually from outside to inside, intermediate tube and
Inner tube, outer tube are arranged with intermediate tube interval, form the outer cooling passage, and intermediate tube is arranged with inner tube interval, described in formation
Gas passage, the open at both ends setting of inner tube, forms the interior cooling passage.
Preferably, the generator main body is rectangular babinet, and air inlet pipe and outlet tube are horizontally set on generator
Body top, escape pipe and inlet tube are horizontally set on generator main body lower part.
Compared with prior art, advantageous effect possessed by the present invention is：
1, the detection method of this gas reaction concentration is by the variation relation of gas volume before and after chemical reaction, to realize reality
When detection to a certain gas concentration after chemical reaction, solve the problems, such as that the prior art must be detected by way of sampling,
Improve the accuracy of detection, and the precision detected will not be influenced by gas concentration, when detection is easy to operate.
2, the product chemically reacted has and only has one kind, to facilitate the practical application in Chemical Manufacture, avoids generating
Species are excessive, and each product interferes with each other in use.
3, under identical temperature condition and pressure condition, the volume of gas is a stable value, is protected when measuring in real time
It is identical with pressure condition to hold the front and back temperature condition of reaction, ensure that Concentration Testing is more accurate.
4, this ozone generating-device can monitor the concentration of the ozone of production in real time, so as to more accurately hold ozone
Concentration is allocated ozone according to the concentration of ozone, respectively avoids ozone application due to ozone concentration to different fields
Insufficient and influence ozone using effect, ozone can be realized in the quantity that reaction module is directly increased or decreased in generator main body
The adjusting of yield facilitates adjusting.
5, reaction tube is vertically arranged, and coolant liquid is entered by reaction tube lower part, top outflow, so as to ensure that coolant liquid is filled
Full entire cooling duct, is fully cooled entire reaction tube；Oxygen is entered by gas passage upper end, lower end discharge, thus with cold
But liquid forms convection current, to preferably be cooled down to entire gas passage, additionally it is possible to the outlet side of gas passage be avoided to cool down
Liquid temperature is higher to lead to ozone decomposed.
6, gas passage be arranged between outer cooling passage and interior cooling passage, so as to preferably to gas into
Row cooling makes the heat that oxygen is changed into ozone generation scatter and disappear as early as possible, and the form cooled down using biliquid, cooling is fast, avoids
Ozone is decomposed since temperature is excessively high, further improves the concentration of ozone, with double methods for cooling phases using liquids and gases
Than double methods for cooling cooling effects of this reaction tube are more preferable, and cooling velocity is faster.
7, by the setting of inner tube, intermediate tube and outer tube, gas passage is formd, around the interior cooling of gas passage setting
Liquid channel and the outer cooling passage being arranged in gas passage, it is simple in structure, it is easy to make.
8, air inlet pipe and outlet tube are horizontally set on the upside of generator main body, and escape pipe and inlet tube are horizontally set on
Generator main body lower part to facilitate the dismounting of subsequent reactions module, and then is the tune by way of reaction module quantity is arranged
Section ozone output creates condition.
Description of the drawings
Fig. 1 is the main structure diagram of chemical reaction equipment.
Fig. 2 is the partial enlarged view at A in Fig. 1.
Fig. 3 is the main view schematic cross-sectional view of reaction tube.
Fig. 4 is the partial enlarged view at B in Fig. 3.
Fig. 5 is the main view schematic cross-sectional view of exclusion device.
Fig. 6 is the partial enlarged view at C in Fig. 5.
Fig. 7 is that oxygen molecule dissociates area and electron energy relational graph.
Fig. 8 is the electron energy figure for the plasma that oxygen molecule is generated through electric field ionization and ozone.
Fig. 9 is mean electron energy and reduced electric field intensity relational graph.
In figure：1, generator main body 2, interior coolant liquid inlet tube 3, outer coolant liquid inlet tube 4, escape pipe 5, air inlet pipe
6, outer coolant liquid outlet tube 7, interior coolant liquid outlet tube 8, reaction tube 9, inner tube 10, intermediate tube 11, outer tube 12, interior cooling
Liquid liquid outlet 13, gas inlet 14, outer coolant liquid liquid outlet 15, gas outlet 16, interior coolant liquid inlet 17,
End cap 18, connector sleeve 19, decleaning tank 20, insulating layer 21, heating escape pipe 22, heating chamber 23, heater 24, wiring
Mouth 25, terminal box 26, heating air inlet pipe 27, removal of impurities air inlet 28, removal of impurities gas outlet 29, deflector 30, heat exchanger.
Specific implementation mode
Fig. 1 ~ 9 are highly preferred embodiment of the present invention, and 1 ~ 9 the present invention will be further described below in conjunction with the accompanying drawings.
Embodiment 1
In the present embodiment, the chemical reaction of generation is that oxygen is converted into ozone through corona, and the chemical equation of reaction is：3O2=
2O3。
The detection method of gas reaction concentration, includes the following steps：
Step 1）, under the same conditions, the total volumetric flow rate Q of gas reactant before reaction is measured in real time1, wherein each gas reaction
Object is inputted according to the ratio between corresponding stoichiometric number in chemical equation, measures the total volume stream of admixture of gas after reaction in real time
Measure Q2；
In the present embodiment, the chemical reaction of generation is the chemical reaction that oxygen is converted into ozone.In identical temperature condition and
Under pressure condition, the volume flow Q of the gas entered is measured in real time1, the volume flow Q of the gas of discharge is measured in real time2.May be used also
With the real-time mass flow for measuring the preceding gas of reaction, and according to measured mass flow is surveyed, according to the density of gas, calculate body
Product flow.
Step 2）, the chemical reaction real-time volume flow difference Q of front and back gas is calculated,
∆Q=|Q1- Q2|；
The chemical equation that oxygen is changed into ozone is as follows：3O2=2O3.The volume contracting of gas after being reacted due to this chemical reaction
It is small, therefore, Q=Q1- Q2.If the volume of gas increases after chemical reaction, Q=Q2- Q1。
Step 3）, the body of the volume changes value V and gas to be detected of the front and back gas of reaction are determined by chemical equation
The relationship of product V, calculates the volume flow Q of gas to be detected after reaction3：
；
The oxygen of every 3L can be converted to the ozone of 2L it can be seen from above-mentioned chemical equation, and in same pressure and temperature
Under the conditions of, oxygen is converted into the volume-diminished 1L of gas after ozone, that is, is directed to the chemical reaction that oxygen is converted into ozone, V=2,
V=1 obtains：
Q3=2∆Q=2（Q1- Q2）.（1）
Step 4）, according to the chemical equation chemically reacted, by each gas reactant according to its corresponding stoichiometric number
The ratio between it is equivalent at equivalent reactant, and calculate the average molar mass of equivalent reactantM 0 ；
Since the reactant of above-mentioned chemical reaction has and only has one kind,O 2 As equivalent reactant, equivalent reactant are put down
Equal molal weight isO 2 Molal weight, i.e.,M 0 =32g/mol。
Step 5）, calculate the gaseous mass percentage of gas to be detected：
；（2）
Wherein,mFor the quality of liquid product or fixed product,M 1 For the molal weight of gas molecule to be detected；For upper
Chemical reaction is stated,m=0。
By formula（1）Bring formula into（2）, obtain：
。
As shown in Figure 1 and 2：Ozone generating-device using the detection method of above-mentioned gas reaction density includes generator master
The ozone output of body 1 and at least one reaction module being arranged in generator main body 1, each reaction module is 0.5 ~ 3kg/
h；Each reaction module includes more reaction tubes 8, the cooling passage both ends of each reaction tube 8 be connected separately with inlet tube and
The gas passage both ends of outlet tube, each reaction tube 8 are separately connected air inlet pipe 5 and escape pipe 4, the inner side and outer side of gas passage
Insulation set, and the discharge electrode of the inside connection power supply of gas passage, gas passage outside connection power supply earth polar.This ozone is sent out
Each reaction module of generating apparatus includes more reaction tubes 8, can adjust the quantity of reaction module as needed, and then adjust smelly
The adjusting of ozone output can be realized in the yield of oxygen, the quantity that reaction module is directly increased or decreased in generator main body 1, side
Just it adjusts, the ozone output of each reaction module is 0.5 ~ 3kg/h, so as to meet most ozone output requirements, no
Yield and the actual demand gap that will appear ozone generating-device are larger, the problem of leading to excess capacity.
Detection module is both provided in air inlet pipe 5 and escape pipe 4, detection module is that mass flowmenter or gas flow control
Device, in the present embodiment, detection module are mass flowmenter.Control device is PLC controller, the signal output of mass flowmenter
End is connected with the signal input part of PLC controller, and PLC controller directly calculates concentration, and the flow calculated is shown
Show on a display screen.
Generator main body 1 is rectangular box body, and reaction module is arranged in ozone generator.The cooling of each reaction tube 8
Liquid channel includes interior cooling passage and outer cooling passage, and gas passage is arranged around interior cooling passage, outer coolant liquid
Channel is arranged around gas passage.Inlet tube includes interior coolant liquid inlet tube 2 and outer coolant liquid inlet tube 3, and outlet tube includes interior
Coolant liquid outlet tube 7 and outer coolant liquid outlet tube 6.
Air inlet pipe 5, interior coolant liquid outlet tube 7 and outer coolant liquid outlet tube 6 are horizontally set on the upper of generator main body 1
Portion, and the left end of air inlet pipe 5, interior coolant liquid outlet tube 7 and outer coolant liquid outlet tube 6 stretches out generator main body 1, air inlet pipe 5,
Outer coolant liquid outlet tube 6 and the interval setting successively from the bottom to top of interior coolant liquid outlet tube 7.
Escape pipe 4, interior coolant liquid inlet tube 2 and outer coolant liquid inlet tube 3 are horizontally set under generator main body 1
Portion, and the left end of escape pipe 4, interior coolant liquid inlet tube 2 and outer coolant liquid inlet tube 3 stretches out generator main body 1, escape pipe 4,
Outer coolant liquid inlet tube 3 and the interval setting successively from top to bottom of interior coolant liquid inlet tube 2.
Each reaction tube 8 is vertically arranged, and the upper end of 8 gas passage of reaction tube is connected by pipeline with air inlet pipe 5, gas
The lower end in body channel is connected to by pipeline with escape pipe 4, and in the present embodiment, what is be passed through in air inlet pipe 5 is oxygen.Interior coolant liquid
The upper end in channel is connected to interior coolant liquid outlet tube 7, and the lower end of interior cooling passage is connected to interior coolant liquid inlet tube 2, to
The interior coolant liquid in interior cooling passage is set to realize that cycle, the upper end of outer cooling passage are connected to outer coolant liquid outlet tube 6, outside
The lower end of cooling passage is connected to outer coolant liquid inlet tube 3, so as to make the outer coolant liquid in outer cooling duct recycle, into
And ensure that the cooling effect to gas passage, avoid the gas temperature in gas passage excessively high, so as to cause the ozone of generation
It decomposes under the high temperature conditions.Further, since the flow direction of the flow direction and interior coolant liquid and outer coolant liquid of gas is contrary, temperature can be made
It spends lower interior coolant liquid and outer coolant liquid to contact with the higher gas of ozone concentration, avoids the temperature of the higher gas of ozone concentration
Degree increases, and then avoids ozone decomposed, keeps the concentration of ozone in the gas exported through ozone generating-device high, and then can reach
To the effect of preferably sterilizing or sewage disposal.
The inside of gas passage is connected with the discharge electrode of power supply, and the earth polar of the outside power supply of gas passage is connected, power supply
Earth polar is connected with ground, to discharge in gas passage, and then oxygen is made to be converted to ozone.In the present embodiment, gas
Voltage between the inner and outer of channel is 3000V, and it is oxygen to be passed through in gas passage, and the flow of oxygen is 6m3/ h, from
And it ensure that the concentration of ozone in the gas after the reacted pipe of oxygen 8 and reach 500g/m3More than, it can be good at meeting at sewage
Reason and sterilization etc. requirement.
As shown in Fig. 3 ~ 4：Reaction tube 8 includes outer tube 11, intermediate tube 10 and the inner tube 9 of coaxial arrangement, and inner tube 9 is both ends
Open pipe, inner tube 9 is interior to form interior cooling passage, and 10 inner wall of intermediate tube is arranged with 9 outer wall interval of inner tube, thus in centre
The gas passage around the setting of interior cooling passage, the outer wall of outer tube 11 inner wall and intermediate tube 10 are formed between pipe 10 and inner tube 9
Interval setting, to form the outer cooling passage around gas passage setting between outer tube 11 and intermediate tube 10.Processing side
Just.In the present embodiment, outer tube 11, intermediate tube 10 and inner tube 9 are stainless steel, can either prevent from aoxidizing, and can
Play electric action.
The upper end of inner tube 9 is provided with interior coolant liquid liquid outlet 12, and lower end is provided with interior coolant liquid inlet 16.Interior coolant liquid
The lower end of liquid outlet 12 is co-axially located in the upper end of inner tube 9, between the lower end and the inner wall of inner tube 9 of interior coolant liquid liquid outlet 12
The upper end of sealed set, interior coolant liquid inlet 16 is co-axially located in the lower end of inner tube 9, the upper end of interior coolant liquid inlet 16
Also the sealed set between the inner wall of inner tube 9, to form interior cooling passage.The upper end of interior coolant liquid liquid outlet 12 with it is interior cold
But liquid outlet tube 7 is connected to, and the lower end of interior coolant liquid inlet 16 is connected to interior coolant liquid inlet tube 2, and interior coolant liquid liquid outlet
It insulate and connects between 12 and interior coolant liquid outlet tube 7, also insulation connects between interior coolant liquid inlet 16 and interior coolant liquid inlet tube 2
Connect, i.e., between coolant liquid liquid outlet 12 and interior coolant liquid outlet tube 7 and interior coolant liquid inlet 16 and interior coolant liquid feed liquor
It is non-conductive between pipe 2.The middle part outer sheath of interior coolant liquid liquid outlet 12 is equipped with high-field electrode for connecting power supply, i.e., with
Corona discharge electrode is connected, and in the present embodiment, power supply is high voltage power supply.
Intermediate tube 10 is stretched out at the both ends of inner tube 9, and 9 both ends of inner tube are located at the equal length of the part outside intermediate tube 10；
Outer tube 11 is stretched out at the both ends of intermediate tube 10, and the both ends of intermediate tube 10 are located at the equal length of the part outside outer tube 11.At this
In embodiment, interior coolant liquid is cooling oil, and outer coolant liquid is cooling water.
Reaction tube 8 further includes the connector sleeve 18 and end cap 17 being arranged in upper and lower ends.It is both provided on each reaction tube 8
Two connector sleeves 18 and end cap 17.Connector sleeve 18 is set in outside outer tube 11 and, the inner end of connector sleeve 18 coaxially connected with outer tube 11
Internal diameter be less than outer end internal diameter, the inner end of connector sleeve 18 with the outer end for being set in outer tube 11 and with the outer wall of outer tube 11 seal set
It sets, the inner end of connector sleeve 18 and the outer wall sealed set of intermediate tube 10, to form outer cooling passage.End cap 17 is cylinder
The inner end of shape, end cap 17 is stretched between connector sleeve 18 and inner tube 9, and end cap 17 is tightly connected with connector sleeve 18 and inner tube 9, shape
At gas passage.
Inner wall around 18 outer end of each connector sleeve is provided with gas passage slot, is located at the connector sleeve 18 of 8 upper end of reaction tube
Gas passage slot be connected to gas passage upper end, gas passage slot and the gas for being located at the connector sleeve 18 of 8 lower end of reaction tube are logical
Road lower end is connected to.Be provided with radial gas inlet 13 on the connector sleeve 18 of 8 upper end of reaction tube, gas inlet 13 with connect
Set 18 is threadedly coupled, and the inner end of gas inlet 13 is connected by the gas passage slot of the connector sleeve 18 of upper end with gas passage upper end
It is logical；Radial gas outlet 15, gas outlet 15 and 18 screw thread of connector sleeve are provided on the connector sleeve 18 of 8 lower end of reaction tube
Connection, the inner end of gas outlet 15 is connected to by the gas passage slot of the connector sleeve 18 of lower end with gas passage upper end.Gas
Air inlet 13 is connected to air inlet pipe 5, and is insulated between gas inlet 13 and air inlet pipe 5, and gas outlet 15 connects with escape pipe 4
It is logical, and insulate between gas outlet 15 and escape pipe 4.
Inner end inner wall around each connector sleeve 18 is provided with cooling liquid bath, is located at the connector sleeve 18 of 8 upper end of reaction tube
Cooling liquid bath is connected to the upper end of outer cooling passage, is located at the cooling liquid bath of the connector sleeve 18 of 8 lower end of reaction tube and outer cooling
The cooling liquid bath of liquid channel lower end is connected to.Radial outer coolant liquid liquid outlet 14 is provided on the connector sleeve 18 of 8 upper end of reaction tube,
Outer coolant liquid liquid outlet 14 is threadedly coupled with connector sleeve 18, and outer coolant liquid liquid outlet 14 passes through the cooling of the connector sleeve 18 of upper end
Liquid bath is connected to outer cooling passage upper end；Radial outer coolant liquid inlet is provided on the connector sleeve 18 of 8 lower end of reaction tube,
Outer coolant liquid liquid outlet is threadedly coupled with connector sleeve 18, the cooling liquid bath that outer coolant liquid liquid outlet 14 passes through the connector sleeve 18 of lower end
It is connected to outer cooling passage lower end.Outer coolant liquid liquid outlet 14 is connected to outer coolant liquid outlet tube 6, outer coolant liquid inlet with
Outer coolant liquid inlet tube 3 is connected to, and is insulated between outer coolant liquid liquid outlet 14 and outer coolant liquid outlet tube 6, outer coolant liquid inlet
It insulate between outer coolant liquid inlet tube 3.
In the present embodiment, outer coolant liquid inlet is arranged in the outside of gas outlet 15, outer coolant liquid liquid outlet 14
It is arranged in the inside of gas inlet 13, gas passage and outer cooling passage mutually interfered when not only having avoided connection, but also conveniently
Connection error when differentiation avoids assembling, influences cooling effect.
In the present embodiment, the ozone output of each reaction module is 2kg/h.The yield root of the ozone of each reaction module
It is arranged according to the yield of every reaction tube 8 and the quantity of reaction tube 8.Such as ozone output 40g/h of each reaction tube 8, each
Reaction module includes 50 ozone generating pipes, you can the ozone output for meeting each reaction module is 2kg/h.Ten wired in parallel
The ozone output that 20kg/h can be achieved, arbitrary throughput requirements can be realized by multiple module paralleling, very convenient.
Grounding electrode, grounding electrode and power supply earth polar are provided between the connector sleeve 18 and end cap of 8 upper end of reaction tube,
Grounding electrode is also connected with intermediate tube 10.
As shown in Fig. 5 ~ 6：The present invention also provides a kind of exclusion device, which includes vertically arranged decleaning tank
19, the downside of decleaning tank 19 is provided with support leg, to make decleaning tank 19 be arranged with ground separation, facilitates the setting of pipeline,
Decleaning tank 19 can be avoided to be contacted with ground again leads to heat loss.The removal of impurities gas outlet 28 of this exclusion device connects ozone
The air inlet pipe 5 of device.
19 inner cavity of decleaning tank is from top to bottom disposed with heating chamber 22 and heat exchanging chamber, and heat exchanger is provided in heat exchanging chamber
30.The downside of decleaning tank 19 is coaxially arranged with removal of impurities gas outlet 28, the bottom end side of decleaning tank 19 be provided with radial removal of impurities into
Gas port 27.The tube-side inlet of heat exchanger 30 is connected to removal of impurities air inlet 27, and the shell-side outlet of heat exchanger 30 is by heating air inlet pipe
26 are connected to heating chamber 22, and heating chamber 22 is also connected to by heating escape pipe 21 with the tube-side inlet of heat exchanger 30, heat exchanger 30
Tube side outlet with clean gas outlet 28 be connected to.The gas of entrance and the gas of discharge realize heat exchange in heat exchanger 30, from
And the recycling to exhaust heat is realized, the waste of energy is avoided, the preheating to the gas of entrance is also achieved, makes gas
Body can be warming up to assigned temperature as early as possible in heating chamber 22, so as to make the carbon monoxide being mixed in oxygen, methane or second
The imflammable gas such as alkynes burn, and remove the impurity in gas, and easy to operate, and consuming little energy.The tube side of heat exchanger 30
It can be arranged as required to the gas being passed through in shell side, the gas that can also enter is entered by tube side in heating chamber 22,
Gas after heating is discharged after shell side.Heat exchanger 30 may be replaced by heat exchange coil, that is, the gas entered is by heat exchange
It is entered after coil pipe in heating chamber 22, the gas after heat exchange is expelled directly out by heat exchanging chamber.
Having heaters 23 is set in heating chamber 22, and 23 upside of heater is provided with terminal box 25,25 lower side seals of terminal box
Setting, the upper end side of decleaning tank 19 are provided with radial connection jaws 24, and power cord enters decleaning tank 19 by connection jaws 24
It is interior and connect with terminal box 25.In the present embodiment, heater 23 is cluster type heater, fast to the heating speed of gas.Add
Hot device 23 may be replaced by electrothermal tube or resistance wire.
The middle part of heating chamber 22 is provided with horizontal deflector 29, side and 22 sealed set of heating chamber of deflector 29.
Deflector 29 includes the plectane of horizontally disposed annular slab and annular slab or more both sides, and lower end is arranged in 19 inner cavity top of decleaning tank
Closed cylinder forms heating chamber 22, and cylinder upper end is arranged with 25 downside interval of terminal box, and annular slab is horizontally disposed within the barrel
The plectane of portion, the side of annular slab and the middle part sealed set of cylinder, upper and lower both sides is arranged with annular slab interval, and plectane
Diameter is equal to or slightly less than the internal diameter of annular slab, so as to make the gas entered in heating chamber 22 form turbulent flow, increases
Stroke of the gas in heating chamber 22, extends the heating time of gas, makes gas heating fully and reaches assigned temperature, in turn
It ensure that gas removal of impurities is thorough.
New theory and it is demonstrated experimentally that excessively high reduced electric field intensity Td, applying can be when electronics acquisition average energy be more than
When 20ev, then apply excessive energy and will be shifted in a manner of fever, and thermal decomposition can be generated to ozone, to oxygen molecule
Ionization is excited into active particle, and forming ozone molecule through collision does not have too big help.In microcosm, oxygen molecule obtains
Energy its electric field strength when 20ev or less is not too high.A kind of condition is devised according to the new theory present invention, using relatively
Existing fringing field intensity, value 300-700Td.Keep molecule average distance≤10 in physical space, passage length 800mm.
And the Uniform Discharge channel of a large amount of active free electrons is provided, and micro discharge column diameter is reduced, electric column density improves 2 ~ 3 times, etc.
Effect increases substantially machining area, can greatly improve the power effect of oxygen molecule dissociation.Oxygen molecule dissociation, ionization are touched through three bodies
Generation ozone plasma reaction process is hit to be expressed from the next：
O2(x³∑g-)+e→O2（A³∑u+）+e
→O（3P）+O（3P）+e
O2(x³∑g-)+e→O2(B3∑u-)+e
→O(1D)+O(3P)+e
O2(x³∑g-)+e→O2（A³πu+）+e
→O（3P）+O+（1S0）+2e
O+ O2+M→O3+M→O3+M
As shown in Figure 7：There is oxygen molecule maximum dissociation cross section to accumulate when electron energy is about 20ev.20ev electron energies are O2(x³
∑g-)→O2(B3∑u-) needed for more than 2 times, be forbidden transition O2 (x³∑g-)→O2（A³∑u+）More than 3 times.Experiment shows：
The electron energy of 20ev should be the boundary value of high concentration low-power.
As shown in Figure 8：The electric field strength expression formula of dielectric and air gap electric field is respectively in discharge channel
（3）
（4）
U is to apply voltage peak in above formula,For dielectric dielectric constant,For dielectric thickness,For air gap distance,For
Air gap dielectric constant.By formula（4）It can be seen that, air gap electric field strength increases with the increase of U, withReduction and increase, with
Reduction and increase.
As shown in Figure 9：The reduced electric field intensity of the averaged electron energy 700Td of 20ev can meet.It is worth pointing out
It is that the above is only the primary condition of oxygen molecule conversion ozone, but be not all of condition.Studies have shown that electric field applies energy nor living
Property particle sole provider, nor whole optimal power of active particle, the non-equilibrium heating power plasma of cold conditions with greater need for except
The induction of other activation except this.And above-mentioned set condition also demonstrates the correctness of this deduction.
According to above-mentioned design condition, accurate bubble-discharge ozone high-capacity industrial generating means is designed and developed, as a result
Generate 660 g/Nm3（40wt%）Superelevation ozone concentration, reached and ozone concentration directly generated in the world by ozone generator
Unprecedented peak, power consumption≤, power consumption is also minimum in the world at present under this ultrahigh concentration.
The appearance of the ultrahigh concentration and low-power consumption fully demonstrates from the microcosmic theoretical correctness with modeling of electric discharge is created, ozone is made to discharge
Theoretical and technology huge step by a stride.Decline synchronous with power consumption while concentration rises is realized, is the low of ozone
Cost preparation opens convenience.The desired effect of the present invention is reached.
Embodiment 2
In the present embodiment, the chemical reaction of generation is that nitrogen and hydrogen are converted into ammonia, the chemical equation of reaction through corona
For：
N2 + 3H2⇌2NH3.The mixed gas of nitrogen and hydrogen is passed through by air inlet pipe 5, escape pipe 4 be discharged gas be nitrogen,
The mixed gas of hydrogen and ammonia.
The detection method of gas reaction concentration, includes the following steps：
Step 1）, under the same conditions, the total volumetric flow rate Q of gas reactant before reaction is measured in real time1, wherein each gas reaction
Object is inputted according to the ratio between corresponding stoichiometric number in chemical equation, measures the total volume stream of admixture of gas after reaction in real time
Measure Q2；
In the present embodiment, the chemical reaction of generation is that nitrogen and hydrogen are converted into ammonia through corona.In identical temperature condition
Under pressure condition, the volume flow Q of the gas entered is measured in real time1, the volume flow Q of the gas of discharge is measured in real time2.Also
The mass flow of the preceding gas of reaction can be measured in real time, and according to measured mass flow is surveyed, according to the density of gas, is calculated
Volume flow.Due to participating in the N of reaction2And H2Volume ratio be 1:3, therefore the total volumetric flow rate of the gas reactant before reaction
Middle N2And H2Volume flow ratio be 1:3.
Step 2）, the chemical reaction real-time volume flow difference Q of front and back gas is calculated,
∆Q=|Q1- Q2|；
The chemical equation for synthesizing ammonia is as follows：N2 + 3H2⇌2NH3.The volume-diminished of gas after being reacted due to this chemical reaction,
Therefore, Q=Q1- Q2。
Step 3）, the body of the volume changes value V and gas to be detected of the front and back gas of reaction are determined by chemical equation
The relationship of product V, calculates the volume flow Q of gas to be detected after reaction3：
；
The N of every 1L it can be seen from above-mentioned chemical equation2With 3L H2It reacts, the NH of 2L can be converted to3, and same
Under the conditions of one pressure and temperature, the volume-diminished 2L of gas after reaction, the i.e. chemical reaction for synthesis ammonia, V=2, V=2,
：
Q3=∆Q=Q1- Q2.（5）
Step 4）, according to the chemical equation chemically reacted, by each gas reactant according to its corresponding stoichiometric number
The ratio between it is equivalent at equivalent reactant, and calculate the average molar mass of equivalent reactantM 0 ；
Since the reactant of above-mentioned chemical reaction is N2And H2, and volume ratio is 1：3, therefore the molar average of equivalent reactant
QualityM 0 =（14g/mol*2+2g/mol*3）/（1+3）=8.5g/mol。
Step 5）, calculate the gaseous mass percentage of gas to be detected：
；（6）
Wherein,mFor the quality of liquid product or fixed product,M 1 For the molal weight of gas molecule to be detected；For upper
Chemical reaction is stated,m=0。
By formula（5）Bring formula into（6）, obtain：
。
Embodiment 3
Embodiment 3 and embodiment 1 difference lies in：The voltage of gas passage inner and outer is 2000V, gas flow 4m3/
H, to make the ozone concentration that oxygen contains after reaction tube 8 in 500g/m3More than.Interior coolant liquid is cooling water, outer cooling
Liquid is cooling oil.
Embodiment 4
Embodiment 4 and embodiment 1 difference lies in：The voltage of gas passage inner and outer is 1500V, gas flow 1m3/
H, to make the ozone concentration that oxygen contains after reaction tube 8 in 500g/m3More than.Interior coolant liquid and outer coolant liquid are cold
Oily.
Embodiment 5
Embodiment 5 and embodiment 1 difference lies in：The ozone output of each reaction module is 0.5kg/h, i.e., often increases or decreases
One reaction module, ozone output hourly increase or decrease 0.5kg.Interior coolant liquid and outer coolant liquid are cooling water.
Embodiment 6
Embodiment 6 and embodiment 1 difference lies in：The ozone output of each reaction module is 1.5kg/h, i.e., often increases or decreases
One reaction module, ozone output hourly increase or decrease 1.5kg.
Embodiment 7
Embodiment 7 and embodiment 1 difference lies in：The ozone output of each reaction module is 2.5kg/h, i.e., often increases or decreases
One reaction module, ozone output hourly increase or decrease 2.5kg.
Embodiment 8
Embodiment 8 and embodiment 1 difference lies in：The ozone output of each reaction module is 3kg/h, i.e., often increases or decreases one
A reaction module, ozone output hourly increase or decrease 3kg.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But it is every without departing from technical solution of the present invention content, according to the technical essence of the invention to above example institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.
Claims (10)
1. the detection method of gas reaction concentration, it is characterised in that：Include the following steps：
Step 1）, under the same conditions, the total volumetric flow rate of gas reactant before reaction is measured in real timeQ 1 , wherein each gas reaction
Object is inputted according to the ratio between corresponding stoichiometric number in chemical equation, measures the total volume stream of admixture of gas after reaction in real time
AmountQ 2 ；
Step 2）The chemical reaction real-time volume flow difference Q of front and back gas is calculated,
∆Q=|Q1- Q2|；
Step 3）, determine the volume changes value V of the front and back gas of reaction with the volume V's of gas to be detected by chemical equation
Relationship calculates the volume flow Q of gas to be detected after reaction3：
；
Step 4）, according to the chemical equation chemically reacted, by each gas reactant according to its corresponding stoichiometric number
The ratio between it is equivalent at equivalent reactant, and calculate the average molar mass of equivalent reactantM 0 ；
Step 5）, calculate the gaseous mass percentage of gas to be detected：
；
Wherein,mFor the quality of liquid product or fixed product,M 1 For the molal weight of gas molecule to be detected.
2. the detection method of gas reaction concentration according to claim 1, it is characterised in that：Step 1）Described in it is identical
Condition includes identical temperature condition and identical pressure condition.
3. the detection method of gas reaction concentration according to claim 1, it is characterised in that：Step 2）Or step 4）Middle institute
The gaseous products for the chemical reaction stated have and there was only one kind.
4. the detection method of gas reaction concentration according to claim 1 or 3, it is characterised in that：Step 2）Or step 4）
Described in chemical reaction be combination reaction.
5. the detection device of the detection method using 1 ~ 4 any one of them gas reaction concentration of the claims, feature
It is：Including generator main body（1）, be arranged in generator main body（1）Interior at least one reaction module, power supply and control dress
It sets, reaction module is connected with air inlet pipe（5）And escape pipe（4）, air inlet pipe（5）And escape pipe（4）On be both provided with for detecting
The detection module of volumetric flow of gas, the signal output end of detection module are connected with the signal output end of control device, react mould
Block is connected with power supply.
6. detection device according to claim 5, it is characterised in that：Each reaction module includes more reactions
Pipe（8）, each reaction tube（8）Cooling passage both ends be connected separately with inlet tube and outlet tube, each reaction tube（8）Gas
Body channel both ends are separately connected air inlet pipe（5）And escape pipe（4）, the inner side and outer side insulation set of gas passage, and gas is logical
The discharge electrode of the inside connection power supply in road, gas passage outside connection power supply earth polar.
7. detection device according to claim 6, it is characterised in that：The reaction tube（8）It is vertically arranged, reaction tube
（8）Cooling passage upper end be connected to outlet tube, cooling passage lower end is connected to inlet tube, reaction tube（8）Gas it is logical
Road upper end and air inlet pipe（5）Connection, the lower end of gas passage and escape pipe（4）Connection.
8. detection device according to claim 6, it is characterised in that：The cooling passage includes interior cooling passage
With outer cooling passage, gas passage is arranged around interior cooling passage, and outer cooling passage is arranged around gas passage；
Inlet tube includes interior coolant liquid inlet tube（2）With outer coolant liquid inlet tube（3）, outlet tube includes interior coolant liquid outlet tube
（7）With outer coolant liquid outlet tube（6）, the lower end of interior cooling passage and interior coolant liquid inlet tube（2）Connection, upper end and interior cooling
Liquid outlet tube（7）Connection, the lower end of outer cooling passage and outer coolant liquid inlet tube（3）Connection, upper end go out liquid with outer coolant liquid
Pipe（6）Connection.
9. detection device according to claim 6, it is characterised in that：The every reaction tube（8）Include it is coaxial and
The outer tube set gradually from outside to inside（11）, intermediate tube（10）And inner tube（9）, outer tube（11）With intermediate tube（10）Interval is set
It sets, forms the outer cooling passage, intermediate tube（10）With inner tube（9）Interval setting, forms the gas passage, inner tube（9）
Open at both ends setting, form the interior cooling passage.
10. detection device according to claim 5, it is characterised in that：The generator main body（1）For rectangular case
Body, air inlet pipe（5）It is horizontally set on generator main body with outlet tube（1）Top, escape pipe（4）It is horizontally disposed with inlet tube
In generator main body（1）Lower part.
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| WO2019161614A1 (en) * | 2018-02-24 | 2019-08-29 | 曹祚 | Ozone generating apparatus |
| WO2019161612A1 (en) * | 2018-02-24 | 2019-08-29 | 曹恒 | High-efficiency and energy-saving fluid impurity removal and inactivation device |
| CN110297066A (en) * | 2019-07-15 | 2019-10-01 | 中国船舶重工集团公司第七一八研究所 | A kind of VOCs concentration on-line measurement device |
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| WO2019161614A1 (en) * | 2018-02-24 | 2019-08-29 | 曹祚 | Ozone generating apparatus |
| WO2019161612A1 (en) * | 2018-02-24 | 2019-08-29 | 曹恒 | High-efficiency and energy-saving fluid impurity removal and inactivation device |
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| CN108375651B (en) | 2019-10-11 |
| WO2019161613A1 (en) | 2019-08-29 |
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